1
|
Fabricius TW, Verhulst CEM, Kristensen PL, Holst JJ, Tack CJ, McCrimmon RJ, Heller SR, Evans ML, de Galan BE, Pedersen-Bjergaard U. Counterregulatory hormone and symptom responses to hypoglycaemia in people with type 1 diabetes, insulin-treated type 2 diabetes or without diabetes: the Hypo-RESOLVE hypoglycaemic clamp study. Acta Diabetol 2024; 61:623-633. [PMID: 38376580 DOI: 10.1007/s00592-024-02239-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 01/13/2024] [Indexed: 02/21/2024]
Abstract
AIM The sympathetic nervous and hormonal counterregulatory responses to hypoglycaemia differ between people with type 1 and type 2 diabetes and may change along the course of diabetes, but have not been directly compared. We aimed to compare counterregulatory hormone and symptom responses to hypoglycaemia between people with type 1 diabetes, insulin-treated type 2 diabetes and controls without diabetes, using a standardised hyperinsulinaemic-hypoglycaemic clamp. MATERIALS We included 47 people with type 1 diabetes, 15 with insulin-treated type 2 diabetes, and 32 controls without diabetes. Controls were matched according to age and sex to the people with type 1 diabetes or with type 2 diabetes. All participants underwent a hyperinsulinaemic-euglycaemic-(5.2 ± 0.4 mmol/L)-hypoglycaemic-(2.8 ± 0.13 mmol/L)-clamp. RESULTS The glucagon response was lower in people with type 1 diabetes (9.4 ± 0.8 pmol/L, 8.0 [7.0-10.0]) compared to type 2 diabetes (23.7 ± 3.7 pmol/L, 18.0 [12.0-28.0], p < 0.001) and controls (30.6 ± 4.7, 25.5 [17.8-35.8] pmol/L, p < 0.001). The adrenaline response was lower in type 1 diabetes (1.7 ± 0.2, 1.6 [1.3-5.2] nmol/L) compared to type 2 diabetes (3.4 ± 0.7, 2.6 [1.3-5.2] nmol/L, p = 0.001) and controls (2.7 ± 0.4, 2.8 [1.4-3.9] nmol/L, p = 0.012). Growth hormone was lower in people with type 2 diabetes than in type 1 diabetes, at baseline (3.4 ± 1.6 vs 7.7 ± 1.3 mU/L, p = 0.042) and during hypoglycaemia (24.7 ± 7.1 vs 62.4 ± 5.8 mU/L, p = 0.001). People with 1 diabetes had lower overall symptom responses than people with type 2 diabetes (45.3 ± 2.7 vs 58.7 ± 6.4, p = 0.018), driven by a lower neuroglycopenic score (27.4 ± 1.8 vs 36.7 ± 4.2, p = 0.012). CONCLUSION Acute counterregulatory hormone and symptom responses to experimental hypoglycaemia are lower in people with type 1 diabetes than in those with long-standing insulin-treated type 2 diabetes and controls.
Collapse
Affiliation(s)
- Therese W Fabricius
- Department of Endocrinology and Nephrology, Nordsjællands Hospital, Hillerød, Denmark.
| | - Clementine E M Verhulst
- Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Peter L Kristensen
- Department of Endocrinology and Nephrology, Nordsjællands Hospital, Hillerød, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jens J Holst
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Faculty of Health and Medical Sciences, Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Cees J Tack
- Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Rory J McCrimmon
- Systems Medicine, School of Medicine, University of Dundee, Dundee, UK
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Mark L Evans
- Welcome MRC Institute of Metabolic Science, University of Cambridge, Cambridge, UK
| | - Bastiaan E de Galan
- Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
- Department of Internal Medicine, Maastricht UMC+, Maastricht, The Netherlands
- CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, The Netherlands
| | - Ulrik Pedersen-Bjergaard
- Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| |
Collapse
|
2
|
Healey A, Soukup T, Sevdalis N, Bakolis I, Cross S, Heller SR, Brooks A, Kariyawasam D, Toschi E, Gonder-Frederick L, Stadler M, Rogers H, Goldsmith K, Choudhary P, de Zoysa N, Amiel SA. Cost-effectiveness of a Novel Hypoglycaemia Programme: The 'HARPdoc vs BGAT' RCT. Diabet Med 2024:e15304. [PMID: 38421806 DOI: 10.1111/dme.15304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/25/2024] [Accepted: 01/27/2024] [Indexed: 03/02/2024]
Abstract
AIMS To assess the cost-effectiveness of HARPdoc (Hypoglycaemia Awareness Restoration Programme for adults with type 1 diabetes and problematic hypoglycaemia despite optimised care), focussed upon cognitions and motivation, versus BGAT (Blood Glucose Awareness Training), focussed on behaviours and education, as adjunctive treatments for treatment-resistant problematic hypoglycaemia in type 1 diabetes, in a randomised controlled trial. METHODS Eligible adults were randomised to either intervention. Quality of life (QoL, measured using EQ-5D-5L); cost of utilisation of health services (using the adult services utilization schedule, AD-SUS) and of programme implementation and curriculum delivery were measured. A cost-utility analysis was undertaken using quality-adjusted life years (QALYs) as a measure of trial participant outcome and cost-effectiveness was evaluated with reference to the incremental net benefit (INB) of HARPdoc compared to BGAT. RESULTS Over 24 months mean total cost per participant was £194 lower for HARPdoc compared to BGAT (95% CI: -£2498 to £1942). HARPdoc was associated with a mean incremental gain of 0.067 QALYs/participant over 24 months post-randomisation: an equivalent gain of 24 days in full health. The mean INB of HARPdoc compared to BGAT over 24 months was positive: £1521/participant, indicating comparative cost-effectiveness, with an 85% probability of correctly inferring an INB > 0. CONCLUSIONS Addressing health cognitions in people with treatment-resistant hypoglycaemia achieved cost-effectiveness compared to an alternative approach through improved QoL and reduced need for medical services, including hospital admissions. Compared to BGAT, HARPdoc offers a cost-effective adjunct to educational and technological solutions for problematic hypoglycaemia.
Collapse
Affiliation(s)
- Andrew Healey
- Centre for Implementation Science, Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Tayana Soukup
- Centre for Implementation Science, Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Nick Sevdalis
- Centre for Implementation Science, Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Ioannis Bakolis
- Centre for Implementation Science, Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- Department of Biostatistics and Health Informatics, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Samantha Cross
- Centre for Implementation Science, Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- Department of Biostatistics and Health Informatics, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Augustin Brooks
- University Hospitals Dorset NHS Foundation Trust, Bournemouth, UK
| | - Dulmini Kariyawasam
- Department of Diabetes and Endocrinology, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Elena Toschi
- Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Linda Gonder-Frederick
- Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, USA
| | - Marietta Stadler
- Department of Diabetes, School of Cardiovascular and Metabolic Medicine & Sciences, King's College, London, UK
| | - Helen Rogers
- Department of Diabetes, King's College Hospital NHS Foundation Trust, London, UK
| | - Kimberley Goldsmith
- Department of Biostatistics and Health Informatics, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Pratik Choudhary
- Department of Diabetes, School of Cardiovascular and Metabolic Medicine & Sciences, King's College, London, UK
- Leicester Diabetes Centre, University of Leicester, Leicester, UK
| | - Nicole de Zoysa
- Department of Diabetes, King's College Hospital NHS Foundation Trust, London, UK
| | - Stephanie A Amiel
- Department of Diabetes, School of Cardiovascular and Metabolic Medicine & Sciences, King's College, London, UK
- Department of Diabetes, King's College Hospital NHS Foundation Trust, London, UK
| |
Collapse
|
3
|
Lawton J, Chadwick PM, de Zoysa N, Stanton-Fay S, Heller SR, Rankin D. Participants' experiences of attending a structured education course (DAFNEplus) informed by behavioural science. Diabet Med 2024:e15309. [PMID: 38361333 DOI: 10.1111/dme.15309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 02/02/2024] [Accepted: 02/05/2024] [Indexed: 02/17/2024]
Abstract
AIMS As part of a broader process evaluation, we explored participants' experiences of, and engagement with, the DAFNEplus programme's group-based structured education course. This course, which was informed by behavioural science, provided participants with education and instruction to use flexible intensive insulin therapy (FIIT) together with techniques to identify and address unhelpful cognitive and emotional influences on their type 1 diabetes self-management. METHODS We interviewed n = 28 DAFNEplus participants. Data were analysed thematically and took account of previous work exploring individuals' experiences of standard DAFNE courses. RESULTS As well as benefitting from the DAFNEplus course's skills-based training and educational curriculum, participants' accounts suggested they had experienced cognitive and emotional changes that had positively influenced their confidence and motivation to adopt and sustain the use of FIIT. These benefits were most keenly felt by those who reported negative emotional states and mind-sets pre-course which had made their diabetes self-management challenging. Participants' cognitive and emotional changes were enabled through techniques used during the course to normalise setbacks and imperfect diabetes self-management, capitalise upon group synergies and encourage the use of social support, including from healthcare professionals. Participants also highlighted motivational gains arising from being reassured that diabetes complications are not common or inevitable if a FIIT regimen is followed. CONCLUSIONS Our findings suggest that offering training in FIIT, in conjunction with behaviour change techniques that target unhelpful mindsets and emotional resilience, may be more effective in promoting diabetes self-management than offering education and skills training alone.
Collapse
Affiliation(s)
- Julia Lawton
- Usher Institute, Medical School, University of Edinburgh, Edinburgh, UK
| | - Paul M Chadwick
- UCL Centre for Behaviour Change, University College London, London, UK
| | | | | | - Simon R Heller
- Department of Diabetes and Endocrinology, Sheffield Teaching Hospitals NHS FT, Sheffield, UK
- Department of Oncology and Metabolism, The University of Sheffield, Sheffield, UK
| | - David Rankin
- Usher Institute, Medical School, University of Edinburgh, Edinburgh, UK
| |
Collapse
|
4
|
Ajjan RA, Heller SR, Everett CC, Vargas-Palacios A, Higham R, Sharples L, Gorog DA, Rogers A, Reynolds C, Fernandez C, Rodrigues P, Sathyapalan T, Storey RF, Stocken DD. Multicenter Randomized Trial of Intermittently Scanned Continuous Glucose Monitoring Versus Self-Monitoring of Blood Glucose in Individuals With Type 2 Diabetes and Recent-Onset Acute Myocardial Infarction: Results of the LIBERATES Trial. Diabetes Care 2023; 46:441-449. [PMID: 36516054 PMCID: PMC9887626 DOI: 10.2337/dc22-1219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 11/02/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To analyze the impact of modern glucose-monitoring strategies on glycemic and patient-related outcomes in individuals with type 2 diabetes (T2D) and recent myocardial infarction (MI) and assess cost effectiveness. RESEARCH DESIGN AND METHODS LIBERATES was a multicenter two-arm randomized trial comparing self-monitoring of blood glucose (SMBG) with intermittently scanned continuous glucose monitoring (isCGM), also known as flash CGM, in individuals with T2D and recent MI, treated with insulin and/or a sulphonylurea before hospital admission. The primary outcome measure was time in range (TIR) (glucose 3.9-10 mmol/L/day) on days 76-90 post-randomization. Secondary and exploratory outcomes included time in hypoglycemia, hemoglobin A1c (HbA1c), clinical outcome, quality of life (QOL), and cost effectiveness. RESULTS Of 141 participants randomly assigned (median age 63 years; interquartile range 53, 70), 73% of whom were men, isCGM was associated with increased TIR by 17 min/day (95% credible interval -105 to +153 min/day), with 59% probability of benefit. Users of isCGM showed lower hypoglycemic exposure (<3.9 mmol/L) at days 76-90 (-80 min/day; 95% CI -118, -43), also evident at days 16-30 (-28 min/day; 95% CI -92, 2). Compared with baseline, HbA1c showed similar reductions of 7 mmol/mol at 3 months in both study arms. Combined glycemic emergencies and mortality occurred in four isCGM and seven SMBG study participants. QOL measures marginally favored isCGM, and the intervention proved to be cost effective. CONCLUSIONS Compared with SMBG, isCGM in T2D individuals with MI marginally increases TIR and significantly reduces hypoglycemic exposure while equally improving HbA1c, explaining its cost effectiveness. Studies are required to understand whether these glycemic differences translate into longer-term clinical benefit.
Collapse
Affiliation(s)
- Ramzi A. Ajjan
- Clinical Population and Sciences Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, U.K
- Corresponding author: Ramzi A. Ajjan,
| | - Simon R. Heller
- Department of Oncology and Metabolism, Medical School, University of Sheffield, Sheffield, U.K
| | - Colin C. Everett
- Leeds Institute of Clinical Trials Research, University of Leeds, Leeds, U.K
| | | | - Ruchi Higham
- Department of Oncology and Metabolism, Medical School, University of Sheffield, Sheffield, U.K
| | - Linda Sharples
- Department of Medical Statistics, London School of Hygiene and Tropical Medicine, London, U.K
| | - Diana A. Gorog
- School of Life and Medical Science, University of Hertfordshire, Hertfordshire, U.K
- National Heart and Lung Institute, Imperial College London, London, U.K
| | | | - Catherine Reynolds
- Clinical Population and Sciences Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, U.K
| | - Catherine Fernandez
- Department of Oncology and Metabolism, Medical School, University of Sheffield, Sheffield, U.K
| | - Pedro Rodrigues
- Academic Unit of Health Economics, University of Leeds, Leeds, U.K
| | - Thozhukat Sathyapalan
- Academic Diabetes, Endocrinology and Metabolism, Allam Diabetes Centre, Hull York Medical School, University of Hull, Hull, U.K
| | - Robert F. Storey
- Department of Infection, Immunity and Cardiovascular Disease, Medical School, University of Sheffield, Sheffield, U.K
| | - Deborah D. Stocken
- Leeds Institute of Clinical Trials Research, University of Leeds, Leeds, U.K
| |
Collapse
|
5
|
Seaquist ER, Teff K, Heller SR. Impaired Awareness of Hypoglycemia in Type 1 Diabetes: A Report of An NIDDK Workshop in October 2021. Diabetes Care 2022; 45:2799-2805. [PMID: 36455118 PMCID: PMC9763030 DOI: 10.2337/dc22-1242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/14/2022] [Indexed: 12/03/2022]
Abstract
Hypoglycemia remains a limiting factor in the optimal treatment of type 1 diabetes. Repeated episodes of hypoglycemia result in impaired awareness of subsequent hypoglycemic events, inducing a vicious feed-forward cycle and increasing the risk of morbidity and mortality. Why this occurs and how to manage the problem in clinical practice remain uncertain. To address the obstacles and barriers that have hindered progress in this clinically important area, the National Institute of Diabetes and Digestive and Kidney Diseases convened a workshop on 14-15 October 2021. This perspective offers a summary of this outstanding meeting, which brought clinical and basic scientists from the fields of diabetes, neuroscience, psychology, psychiatry, and imaging together, on how to best advance the field of impaired awareness of hypoglycemia and hypoglycemia in general in patients with diabetes.
Collapse
Affiliation(s)
| | - Karen Teff
- National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD
| | | |
Collapse
|
6
|
Carlton J, Leaviss J, Pouwer F, Hendrieckx C, Broadley MM, Clowes M, McCrimmon RJ, Heller SR, Speight J. Correction to: The suitability of patient-reported outcome measures used to assess the impact of hypoglycaemia on quality of life in people with diabetes: a systematic review using COSMIN methods. Diabetologia 2022; 65:1063. [PMID: 35320374 DOI: 10.1007/s00125-022-05668-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Jill Carlton
- School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK.
| | - Joanna Leaviss
- School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK
| | - Frans Pouwer
- Department of Psychology, University of Southern Denmark, Odense, Denmark
- School of Psychology, Deakin University, Geelong, VIC, Australia
- Steno Diabetes Center Odense, Odense, Denmark
| | - Christel Hendrieckx
- School of Psychology, Deakin University, Geelong, VIC, Australia
- The Australian Centre for Behavioural Research in Diabetes (ACBRD), Melbourne, VIC, Australia
| | - Melanie M Broadley
- Department of Psychology, University of Southern Denmark, Odense, Denmark
| | - Mark Clowes
- School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK
| | | | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Jane Speight
- Department of Psychology, University of Southern Denmark, Odense, Denmark
- School of Psychology, Deakin University, Geelong, VIC, Australia
- The Australian Centre for Behavioural Research in Diabetes (ACBRD), Melbourne, VIC, Australia
| |
Collapse
|
7
|
Maclean RH, Jacob P, Choudhary P, Heller SR, Toschi E, Kariyawasam D, Brooks A, Kendall M, de Zoysa N, Gonder-Frederick LA, Amiel SA. Hypoglycemia Subtypes in Type 1 Diabetes: An Exploration of the Hypoglycemia Fear Survey-II. Diabetes Care 2022; 45:538-546. [PMID: 35043151 PMCID: PMC8918257 DOI: 10.2337/dc21-1120] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 12/09/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The Hypoglycemia Fear Survey-II (HFS-II) is a well-validated measure of fear of hypoglycemia in people with type 1 diabetes. The aim of this study was to explore the relationships between hypoglycemia worries, behaviors, and cognitive barriers to hypoglycemia avoidance and hypoglycemia awareness status, severe hypoglycemia, and HbA1c. RESEARCH DESIGN AND METHODS Participants with type 1 diabetes (n = 178), with the study population enriched for people at risk for severe hypoglycemia (49%), completed questionnaires for assessing hypoglycemia fear (HFS-II), hyperglycemia avoidance (Hyperglycemia Avoidance Scale [HAS]), diabetes distress (Problem Areas In Diabetes [PAID]), and cognitive barriers to hypoglycemia avoidance (Attitudes to Awareness of Hypoglycemia [A2A]). Exploratory factor analysis was applied to the HFS-II. We sought to establish clusters based on HFS-II, A2A, Gold, HAS, and PAID using k-means clustering. RESULTS Four HFS-II factors were identified: Sought Safety, Restricted Activity, Ran High, and Worry. While Sought Safety, Restricted Activity, and Worry increased with progressively impaired awareness and recurrent severe hypoglycemia, Ran High did not. With cluster analysis we outlined four clusters: two clusters with preserved hypoglycemia awareness were differentiated by low fear/low cognitive barriers to hypoglycemia avoidance (cluster 1) versus high fear and distress and increased Ran High behaviors (cluster 2). Two clusters with impaired hypoglycemia awareness were differentiated by low fear/high cognitive barriers (cluster 3) as well as high fear/low cognitive barriers (cluster 4). CONCLUSIONS This is the first study to define clusters of hypoglycemia experience by worry, behaviors, and cognitive barriers to hypoglycemia avoidance. The resulting subtypes may be important in understanding and treating problematic hypoglycemia.
Collapse
Affiliation(s)
- Rory H Maclean
- Department of Diabetes, Faculty of Life Sciences, King's College London, London, U.K.,King's College Hospital NHS Foundation Trust, London, U.K
| | - Peter Jacob
- Department of Diabetes, Faculty of Life Sciences, King's College London, London, U.K.,King's College Hospital NHS Foundation Trust, London, U.K
| | - Pratik Choudhary
- Department of Diabetes, Faculty of Life Sciences, King's College London, London, U.K.,University of Leicester, Leicester, U.K
| | | | - Elena Toschi
- Joslin Diabetes Centre, Harvard Medical School, Boston, MA
| | | | - Augustin Brooks
- University Hospitals Dorset NHS Foundation Trust, Bournemouth, U.K
| | - Mike Kendall
- HARPdoc Patient Group, Department of Diabetes, King's College London, London, U.K
| | | | - Linda A Gonder-Frederick
- Center for Diabetes Technology, Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA
| | - Stephanie A Amiel
- Department of Diabetes, Faculty of Life Sciences, King's College London, London, U.K.,King's College Hospital NHS Foundation Trust, London, U.K
| |
Collapse
|
8
|
Pieber TR, Bajaj HS, Heller SR, Jia T, Khunti K, Klonoff DC, Ladelund S, Leiter LA, Wagner L, Philis‐Tsimikas A. Impact of kidney function on the safety and efficacy of insulin degludec versus insulin glargine U300 in people with type 2 diabetes: A post hoc analysis of the CONCLUDE trial. Diabetes Obes Metab 2022; 24:332-336. [PMID: 34605127 PMCID: PMC9298323 DOI: 10.1111/dom.14564] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/22/2021] [Accepted: 09/28/2021] [Indexed: 12/12/2022]
Affiliation(s)
- Thomas R. Pieber
- Division of Endocrinology and Diabetology, Department of Internal MedicineMedical University of GrazGrazAustria
| | | | - Simon R. Heller
- Academic Unit of Diabetes, Endocrinology and MetabolismUniversity of SheffieldSheffieldUK
| | | | - Kamlesh Khunti
- Diabetes Research CentreUniversity of LeicesterLeicesterUK
| | - David C. Klonoff
- Diabetes Research InstituteMills‐Peninsula Medical CenterSan MateoCaliforniaUSA
| | | | - Lawrence A. Leiter
- Li Ka Shing Knowledge Institute, Division of Endocrinology & Metabolism, St Michael's HospitalUniversity of TorontoTorontoOntarioCanada
| | | | | |
Collapse
|
9
|
Heller SR, Geybels MS, Iqbal A, Liu L, Wagner L, Chow E. A higher non-severe hypoglycaemia rate is associated with an increased risk of subsequent severe hypoglycaemia and major adverse cardiovascular events in individuals with type 2 diabetes in the LEADER study. Diabetologia 2022; 65:55-64. [PMID: 34704120 PMCID: PMC8660716 DOI: 10.1007/s00125-021-05556-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 07/05/2021] [Indexed: 11/06/2022]
Abstract
AIMS/HYPOTHESIS Hypoglycaemia is a common side effect of insulin and some other antihyperglycaemic agents used to treat diabetes. Severe hypoglycaemia has been associated with adverse cardiovascular events in trials of intensive glycaemic control in type 2 diabetes. The relationship between non-severe hypoglycaemic episodes (NSHEs) and severe hypoglycaemia in type 2 diabetes has been documented. However, an association between more frequent NSHEs and cardiovascular events has not been verified. This post hoc analysis of the LEADER (Liraglutide Effect and Action in Diabetes: Evaluation of Cardiovascular Outcome Results) trial aimed to confirm whether there is an association between NSHEs and severe hypoglycaemic episodes in individuals with type 2 diabetes. In addition, the possible association between NSHEs and major adverse cardiac events (MACE), cardiovascular death and all-cause mortality was investigated. METHODS LEADER was a double-blind, multicentre, placebo-controlled trial that found that liraglutide significantly reduced the risk of MACE compared with the placebo. In this post hoc analysis, we explored, in all LEADER participants, whether the annual rate of NSHEs (defined as self-measured plasma glucose <3.1 mmol/l [56 mg/dl]) was associated with time to first severe hypoglycaemic episode (defined as an episode requiring the assistance of another person), time to first MACE, time to cardiovascular death and time to all-cause mortality. Participants with <2 NSHEs per year were used as reference for HR estimates. Cox regression with a time-varying covariate was used. RESULTS We demonstrate that there is an association between NSHEs (2-11 NSHEs per year and ≥12 NSHEs per year) and severe hypoglycaemic episodes (unadjusted HRs 1.98 [95% CI 1.43, 2.75] and 5.01 [95% CI 2.84, 8.84], respectively), which was consistent when baseline characteristics were accounted for. Additionally, while no association was found between participants with 2-11 NSHEs per year and adverse cardiovascular outcomes, higher rates of NSHEs (≥12 episodes per year) were associated with higher risk of MACE (HR 1.50 [95% CI 1.01, 2.23]), cardiovascular death (HR 2.08 [95% CI 1.17, 3.70]) and overall death (HR 1.80 [95% CI 1.11, 2.92]). CONCLUSIONS/INTERPRETATION The analysis of data from the LEADER trial demonstrated that higher rates of NSHEs were associated with both a higher risk of severe hypoglycaemia and adverse cardiovascular outcomes in individuals with type 2 diabetes. Therefore, irrespective of the cause of this association, it is important that individuals with high rates of hypoglycaemia are identified so that the potentially increased risk of cardiovascular events can be managed and steps can be taken to reduce NSHEs. TRIAL REGISTRATION ClinicalTrials.gov (NCT01179048).
Collapse
Affiliation(s)
- Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK.
| | | | - Ahmed Iqbal
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Lei Liu
- Novo Nordisk A/S, Søborg, Denmark
| | | | - Elaine Chow
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| |
Collapse
|
10
|
Matlock KA, Broadley M, Hendrieckx C, Clowes M, Sutton A, Heller SR, de Galan BE, Pouwer F, Speight J. Changes in quality of life following hypoglycaemia in adults with type 2 diabetes: A systematic review of longitudinal studies. Diabet Med 2022; 39:e14706. [PMID: 34596292 PMCID: PMC9293422 DOI: 10.1111/dme.14706] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 09/28/2021] [Indexed: 12/21/2022]
Abstract
AIM To conduct a systematic review of published studies reporting on the longitudinal impacts of hypoglycaemia on quality of life (QoL) in adults with type 2 diabetes. METHOD Database searches with no restrictions by language or date were conducted in MEDLINE, Cochrane Library, CINAHL and PsycINFO. Studies were included for review if they used a longitudinal design (e.g. cohort studies, randomised controlled trials) and reported on the association between hypoglycaemia and changes over time in patient-reported outcomes related to QoL. RESULTS In all, 20 longitudinal studies published between 1998 and 2020, representing 50,429 adults with type 2 diabetes, were selected for review. A descriptive synthesis following Synthesis Without Meta-analysis guidelines indicated that self-treated symptomatic hypoglycaemia was followed by impairments in daily functioning along with elevated symptoms of generalised anxiety, diabetes distress and fear of hypoglycaemia. Severe hypoglycaemic events were associated with reduced confidence in diabetes self-management and lower ratings of perceived health over time. Frequent hypoglycaemia was followed by reduced energy levels and diminished emotional well-being. There was insufficient evidence, however, to conclude that hypoglycaemia impacted sleep quality, depressive symptoms, general mood, social support or overall diabetes-specific QoL. CONCLUSIONS Longitudinal evidence in this review suggests hypoglycaemia is a common occurrence among adults with type 2 diabetes that impacts key facets in the physical and psychological domains of QoL. Nonetheless, additional longitudinal research is needed-in particular, studies targeting diverse forms of hypoglycaemia, more varied facets of QoL and outcomes assessed using hypoglycaemia-specific measures.
Collapse
Affiliation(s)
- Kevin A. Matlock
- Psychology DepartmentUniversity of Southern DenmarkOdenseDenmark
| | - Melanie Broadley
- Psychology DepartmentUniversity of Southern DenmarkOdenseDenmark
| | - Christel Hendrieckx
- Australian Centre for Behavioural Research in DiabetesMelbourneVictoriaAustralia
| | - Mark Clowes
- School of Health and Related ResearchUniversity of SheffieldSheffieldUK
| | - Anthea Sutton
- School of Health and Related ResearchUniversity of SheffieldSheffieldUK
| | - Simon R. Heller
- Sheffield Teaching Hospitals Foundation TrustSheffieldUK
- Department of Oncology and MetabolismUniversity of SheffieldSheffieldUK
| | - Bastiaan E. de Galan
- Department of Internal MedicineRadboud University Nijmegen Medical CentreNijmegenThe Netherlands
- Division of EndocrinologyDepartment of Internal MedicineMaastricht University Medical CentreMaastrichtThe Netherlands
- CARIM School for Cardiovascular DiseasesMaastricht UniversityMaastrichtThe Netherlands
| | - Frans Pouwer
- Psychology DepartmentUniversity of Southern DenmarkOdenseDenmark
- Steno Diabetes CenterOdenseDenmark
| | - Jane Speight
- Australian Centre for Behavioural Research in DiabetesMelbourneVictoriaAustralia
| | | |
Collapse
|
11
|
Bernjak A, Iqbal A, Heller SR, Clayton RH. Hypoglycaemia combined with mild hypokalaemia reduces the heart rate and causes abnormal pacemaker activity in a computational model of a human sinoatrial cell. J R Soc Interface 2021; 18:20210612. [PMID: 34814734 PMCID: PMC8611338 DOI: 10.1098/rsif.2021.0612] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Low blood glucose, hypoglycaemia, has been implicated as a possible contributing factor to sudden cardiac death (SCD) in people with diabetes but it is challenging to investigate in clinical studies. We hypothesized the effects of hypoglycaemia on the sinoatrial node (SAN) in the heart to be a candidate mechanism and adapted a computational model of the human SAN action potential developed by Fabbri et al., to investigate the effects of hypoglycaemia on the pacemaker rate. Using Latin hypercube sampling, we combined the effects of low glucose (LG) on the human ether-a-go-go-related gene channel with reduced blood potassium, hypokalaemia, and added sympathetic and parasympathetic stimulus. We showed that hypoglycaemia on its own causes a small decrease in heart rate but there was also a marked decrease in heart rate when combined with hypokalaemia. The effect of the sympathetic stimulus was diminished, causing a smaller increase in heart rate, with LG and hypokalaemia compared to normoglycaemia. By contrast, the effect of the parasympathetic stimulus was enhanced, causing a greater decrease in heart rate. We therefore demonstrate a potential mechanistic explanation for hypoglycaemia-induced bradycardia and show that sinus arrest is a plausible mechanism for SCD in people with diabetes.
Collapse
Affiliation(s)
- Alan Bernjak
- Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, UK.,INSIGNEO Institute for in silico Medicine, University of Sheffield, Sheffield, UK
| | - Ahmed Iqbal
- Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, UK.,Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, UK.,Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Richard H Clayton
- INSIGNEO Institute for in silico Medicine, University of Sheffield, Sheffield, UK.,Department of Computer Science, University of Sheffield, Sheffield, UK
| |
Collapse
|
12
|
Heller SR, Durrant A, Tandon N. Insulin, the patient, and the health professional. Lancet 2021; 398:1785-1786. [PMID: 34774135 DOI: 10.1016/s0140-6736(21)02450-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 11/01/2021] [Indexed: 11/22/2022]
Affiliation(s)
- Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK; Sheffield Teaching Hospitals Foundation Trust, Sheffield S10 2RX, UK.
| | | | - Nikhil Tandon
- Department of Endocrinology and Metabolism, All India Institute of Medical Sciences, New Delhi, India
| |
Collapse
|
13
|
Wylie TAF, Shah C, Burgess L, Robertson E, Dupont D, Swindell R, Hovorka R, Murphy HR, Heller SR. Optimizing the use of technology to support people with diabetes: research recommendations from Diabetes UK's 2019 diabetes and technology workshop. Diabet Med 2021; 38:e14647. [PMID: 34270822 DOI: 10.1111/dme.14647] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 07/14/2021] [Indexed: 12/15/2022]
Abstract
AIMS To identify key gaps in the research evidence base that could help improve how technology supports people with diabetes, and provide recommendations to researchers and research funders on how best to address them. METHODS A research workshop was conducted, bringing together research experts in diabetes, research experts in technology, people living with diabetes and healthcare professionals. RESULTS The following key areas within this field were identified, and research recommendations for each were developed: Matching the pace of research with that of technology development Time in range as a measure Health inequalities and high-risk groups How to train people to use technology most effectively Impact of technology usage on mental health CONCLUSIONS: This position statement outlines recommendations through which research could improve how technology is employed to care for and support people living with diabetes, and calls on the research community and funders to address them in future research programmes and strategies.
Collapse
Affiliation(s)
| | | | | | | | - David Dupont
- Diabetes UK Clinical Studies Group Member, London, UK
| | | | - Roman Hovorka
- Wellcome Trust-MRC Institute of Metabolic Science, Department of Paediatrics, University of Cambridge, Cambridge, UK
| | - Helen R Murphy
- Norwich Medical School, Bob Champion Research and Education Building, University of East Anglia, Norwich, UK
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| |
Collapse
|
14
|
Garden GL, Frier BM, Hine JL, Hutchison EJ, Mitchell SJ, Shaw KM, Heller SR, Koehler G, Hofmann V, Gaffney TP, Maher D, Roberts GA, Russell-Jones DL. Blood glucose monitoring by insulin-treated pilots of commercial and private aircraft: An analysis of out-of-range values. Diabetes Obes Metab 2021; 23:2303-2310. [PMID: 34142412 DOI: 10.1111/dom.14471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/04/2021] [Accepted: 06/14/2021] [Indexed: 11/29/2022]
Abstract
AIM To examine blood glucose measurements recorded as part of the diabetes protocol operated by the UK, Ireland and Austria, which allows commercial airline pilots with insulin-treated diabetes to fly. METHODS An observational study was conducted in pilots with insulin-treated diabetes, granted medical certification to fly commercial or noncommercial aircraft, who recorded pre-flight and hourly in-flight blood glucose measurements. These values were correlated to a traffic light system (green 5.0 to 15.0 mmol/L; amber 4.0 to 4.9 mmol/L and 15.1 to 20.0 mmol/L; and red <4.0 mmol/L or >20.0 mmol/L) and studied for trends in glucose concentrations, time course within flight and any consequences. Pilot demographics were also analysed. RESULTS Forty-four pilots (90%) recorded one or more blood glucose value outside the green range during the 7 years of the study. Pilot age, diabetes type and duration, and follow-up period were comparable among subgroups, and mean glycated haemoglobin did not differ before and after certification in a way which would indicate poorer glycaemic control in any subgroup. A total of 892 blood glucose values (2.31%) were outside the green range, with half reported in-flight at various time intervals. There were 48 (0.12%) low red range values recorded, 14 (0.04%) of which occurred in-flight; all but four were restored to within the green range by the time of the next measurement. Appropriate corrective action was taken for all out-of-range values, with no reports of pilot incapacitation from any cause. CONCLUSIONS The traffic light system appears effective in identifying and reducing the frequency and severity of out-of-range values.
Collapse
Affiliation(s)
| | - Brian M Frier
- Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | | | | | | | | | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - Gerd Koehler
- Austrocontrol, Vienna, Austria
- Division of Endocrinology and Diabetology, Medical University Graz, Graz, Austria
| | | | | | | | - Graham A Roberts
- Irish Aviation Authority, Dublin, Ireland
- CRF-C University College Cork, HRB Clinical Research Facility Cork, Mercy University Hospital, Cork, Ireland
- Diabetes Research Group, Swansea University, Swansea, UK
| | - David L Russell-Jones
- University of Surrey, Guildford, UK
- Civil Aviation Authority, Aviation House, Crawley, UK
| |
Collapse
|
15
|
Dowey R, Iqbal A, Heller SR, Sabroe I, Prince LR. A Bittersweet Response to Infection in Diabetes; Targeting Neutrophils to Modify Inflammation and Improve Host Immunity. Front Immunol 2021; 12:678771. [PMID: 34149714 PMCID: PMC8209466 DOI: 10.3389/fimmu.2021.678771] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 05/10/2021] [Indexed: 12/16/2022] Open
Abstract
Chronic and recurrent infections occur commonly in both type 1 and type 2 diabetes (T1D, T2D) and increase patient morbidity and mortality. Neutrophils are professional phagocytes of the innate immune system that are critical in pathogen handling. Neutrophil responses to infection are dysregulated in diabetes, predominantly mediated by persistent hyperglycaemia; the chief biochemical abnormality in T1D and T2D. Therapeutically enhancing host immunity in diabetes to improve infection resolution is an expanding area of research. Individuals with diabetes are also at an increased risk of severe coronavirus disease 2019 (COVID-19), highlighting the need for re-invigorated and urgent focus on this field. The aim of this review is to explore the breadth of previous literature investigating neutrophil function in both T1D and T2D, in order to understand the complex neutrophil phenotype present in this disease and also to focus on the development of new therapies to improve aberrant neutrophil function in diabetes. Existing literature illustrates a dual neutrophil dysfunction in diabetes. Key pathogen handling mechanisms of neutrophil recruitment, chemotaxis, phagocytosis and intracellular reactive oxygen species (ROS) production are decreased in diabetes, weakening the immune response to infection. However, pro-inflammatory neutrophil pathways, mainly neutrophil extracellular trap (NET) formation, extracellular ROS generation and pro-inflammatory cytokine generation, are significantly upregulated, causing damage to the host and perpetuating inflammation. Reducing these proinflammatory outputs therapeutically is emerging as a credible strategy to improve infection resolution in diabetes, and also more recently COVID-19. Future research needs to drive forward the exploration of novel treatments to improve infection resolution in T1D and T2D to improve patient morbidity and mortality.
Collapse
Affiliation(s)
- Rebecca Dowey
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - Ahmed Iqbal
- Sheffield Teaching Hospitals National Health Service (NHS) Foundation Trust, Sheffield, United Kingdom
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
| | - Simon R. Heller
- Sheffield Teaching Hospitals National Health Service (NHS) Foundation Trust, Sheffield, United Kingdom
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
| | - Ian Sabroe
- Sheffield Teaching Hospitals National Health Service (NHS) Foundation Trust, Sheffield, United Kingdom
| | - Lynne R. Prince
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| |
Collapse
|
16
|
Carlton J, Leaviss J, Pouwer F, Hendrieckx C, Broadley MM, Clowes M, McCrimmon RJ, Heller SR, Speight J. The suitability of patient-reported outcome measures used to assess the impact of hypoglycaemia on quality of life in people with diabetes: a systematic review using COSMIN methods. Diabetologia 2021; 64:1213-1225. [PMID: 33528625 PMCID: PMC8099839 DOI: 10.1007/s00125-021-05382-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 11/19/2020] [Indexed: 11/26/2022]
Abstract
AIMS/HYPOTHESIS It is generally accepted that hypoglycaemia can negatively impact the quality of life (QoL) of people living with diabetes. However, the suitability of patient-reported outcome measures (PROMs) used to assess this impact is unclear. The aim of this systematic review was to identify PROMs used to assess the impact of hypoglycaemia on QoL and examine their quality and psychometric properties. METHODS Systematic searches (MEDLINE, EMBASE, PsycINFO, CINAHL and The Cochrane Library databases) were undertaken to identify published articles reporting on the development or validation of hypoglycaemia-specific PROMs used to assess the impact of hypoglycaemia on QoL (or domains of QoL) in adults with diabetes. A protocol was developed and registered with PROSPERO (registration no. CRD42019125153). Studies were assessed for inclusion at title/abstract stage by one reviewer. Full-text articles were scrutinised where considered relevant or potentially relevant or where doubt existed. Twenty per cent of articles were assessed by a second reviewer. PROMS were evaluated, according to COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) guidelines, and data were extracted independently by two reviewers against COSMIN criteria. Assessment of each PROM's content validity included reviewer ratings (N = 16) of relevance, comprehensiveness and comprehensibility: by researchers (n = 6); clinicians (n = 6); and adults with diabetes (n = 4). RESULTS Of the 214 PROMs used to assess the impact of hypoglycaemia on QoL (or domains of QoL), seven hypoglycaemia-specific PROMS were identified and subjected to full evaluation: the Fear of Hypoglycemia 15-item scale; the Hypoglycemia Fear Survey; the Hypoglycemia Fear Survey version II; the Hypoglycemia Fear Survey-II short-form; the Hypoglycemic Attitudes and Behavior Scale; the Hypoglycemic Confidence Scale; and the QoLHYPO questionnaire. Content validity was rated as 'inconsistent', with most as '(very) low' quality, while structural validity was deemed 'unsatisfactory'. Other measurement properties (e.g. reliability) varied, and evidence gaps were apparent across all PROMs. None of the identified studies addressed cross-cultural validity or measurement error. Criterion validity and responsiveness were not assessed due to the lack of a 'gold standard' measure of the impact of hypoglycaemia on QoL against which to compare the PROMS. CONCLUSIONS/INTERPRETATION None of the hypoglycaemia-specific PROMs identified had sufficient evidence to demonstrate satisfactory validity, reliability and responsiveness. All were limited in terms of content and structural validity, which restricts their utility for assessing the impact of hypoglycaemia on QoL in the clinic or research setting. Further research is needed to address the content validity of existing PROMs, or the development of new PROM(s), for the purpose of assessing the impact of hypoglycaemia on QoL. PROSPERO REGISTRATION CRD42019125153.
Collapse
Affiliation(s)
- Jill Carlton
- School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK.
| | - Joanna Leaviss
- School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK
| | - Frans Pouwer
- Department of Psychology, University of Southern Denmark, Odense, Denmark
- School of Psychology, Deakin University, Geelong, VIC, Australia
- Steno Diabetes Center Odense, Odense, Denmark
| | - Christel Hendrieckx
- School of Psychology, Deakin University, Geelong, VIC, Australia
- The Australian Centre for Behavioural Research in Diabetes (ACBRD), Melbourne, VIC, Australia
| | - Melanie M Broadley
- Department of Psychology, University of Southern Denmark, Odense, Denmark
| | - Mark Clowes
- School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK
| | | | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Jane Speight
- Department of Psychology, University of Southern Denmark, Odense, Denmark
- School of Psychology, Deakin University, Geelong, VIC, Australia
- The Australian Centre for Behavioural Research in Diabetes (ACBRD), Melbourne, VIC, Australia
| |
Collapse
|
17
|
Holmes-Truscott E, Cooke DD, Hendrieckx C, Coates EJ, Heller SR, Speight J. A comparison of the acceptability and psychometric properties of scales assessing the impact of type 1 diabetes on quality of life-Results of 'YourSAY: Quality of Life'. Diabet Med 2021; 38:e14524. [PMID: 33445223 DOI: 10.1111/dme.14524] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 01/19/2023]
Abstract
AIMS To compare the acceptability, reliability and validity of five contemporary diabetes-specific quality of life (QoL) scales among adults with type 1 diabetes in the United Kingdom and Australia. METHODS Adults with type 1 diabetes (UK = 1139, Australia = 439) completed a cross-sectional, online survey including ADDQoL-19, DCP, DIDP, DSQOLS and Diabetes QoL-Q, presented in randomised order. After completing each scale, participants rated it for clarity, relevance, ease of completion, length and comprehensiveness. We examined scale acceptability (scale completion and user ratings), response patterns, structure (exploratory and confirmatory factor analyses) and validity (convergent, concurrent, divergent and known groups). To assess cross-country reproducibility, analyses conducted on the UK dataset were replicated in the Australian dataset. RESULTS Findings were largely consistent between countries. All scales were acceptable to participants: ≥90% completing all items, and ≥80% positive user ratings, except for DSQOLS' length. Scale structure was not supported for the DCP. Overall, in terms of acceptability and psychometric evaluation, the DIDP was the strongest performing scale while the ADDQoL-19 and Diabetes QoL-Q scales also performed well. CONCLUSIONS These findings suggest that the recently developed brief (7 items), neutrally worded DIDP scale is acceptable to adults with type 1 diabetes and has the strongest psychometric performance. However, questionnaire selection should always be considered in the context of the research aims, study design and population, as well as the wider published evidence regarding both the development and responsiveness of the scales.
Collapse
Affiliation(s)
- Elizabeth Holmes-Truscott
- School of Psychology, Deakin University, Geelong, Vic., Australia
- The Australian Centre for Behavioural Research in Diabetes, Diabetes Victoria, Melbourne, Vic., Australia
| | - Debbie D Cooke
- School of Health Sciences, University of Surrey, Guildford, UK
| | - Christel Hendrieckx
- School of Psychology, Deakin University, Geelong, Vic., Australia
- The Australian Centre for Behavioural Research in Diabetes, Diabetes Victoria, Melbourne, Vic., Australia
| | - Elizabeth J Coates
- School of Health and Related Research, University of Sheffield, Sheffield, UK
| | - Simon R Heller
- Department of Oncology and Human Metabolism, University of Sheffield, Sheffield, UK
| | - Jane Speight
- School of Psychology, Deakin University, Geelong, Vic., Australia
- The Australian Centre for Behavioural Research in Diabetes, Diabetes Victoria, Melbourne, Vic., Australia
| |
Collapse
|
18
|
Stanton-Fay SH, Hamilton K, Chadwick PM, Lorencatto F, Gianfrancesco C, de Zoysa N, Coates E, Cooke D, McBain H, Heller SR, Michie S. The DAFNEplus programme for sustained type 1 diabetes self management: Intervention development using the Behaviour Change Wheel. Diabet Med 2021; 38:e14548. [PMID: 33617669 DOI: 10.1111/dme.14548] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 01/06/2021] [Accepted: 02/02/2021] [Indexed: 11/29/2022]
Abstract
AIMS Self-management programmes for type 1 diabetes, such as the UK's Dose Adjustment for Normal Eating (DAFNE), improve short-term clinical outcomes but difficulties maintaining behavioural changes attenuate long-term impact. This study used the Behaviour Change Wheel (BCW) framework to revise the DAFNE intervention to support sustained behaviour change. METHODS A four-step method was based on the BCW intervention development approach: (1) Identifying self-management behaviours and barriers/enablers to maintain them via stakeholder consultation and evidence synthesis, and mapping barriers/enablers to the Capability, Opportunity, Motivation-Behaviour (COM-B) model. (2) Specifying behaviour change techniques (BCTs) in the existing DAFNE intervention using the Behaviour Change Techniques Taxonomy (BCTTv1). (3) Identifying additional BCTs to target the barriers/enablers using the BCW and BCTTv1. (4) Parallel stakeholder consultation to generate recommendations for intervention revision. Revised materials were co-designed by stakeholders (diabetologists, psychologists, specialist nurses and dieticians). RESULTS In all, 34 barriers and 5 enablers to sustaining self-management post-DAFNE were identified. The existing DAFNE intervention contained 24 BCTs, which partially addressed the enablers. In all, 27 BCTs were added, including 'Habit formation', 'Credible source' and 'Conserving mental resources'. In total, 15 stakeholder-agreed recommendations for content and delivery were incorporated into the final DAFNEplus intervention, comprising three co-designed components: (1) face-to-face group learning course, (2) individual structured follow-up sessions and (3) technological support, including blood glucose data management. CONCLUSIONS This method provided a systematic approach to specifying and revising a behaviour change intervention incorporating stakeholder input. The revised DAFNEplus intervention aims to support the maintenance of behavioural changes by targeting barriers and enablers to sustaining self-management behaviours.
Collapse
Affiliation(s)
- Stephanie H Stanton-Fay
- Clinical, Health and Educational Psychology/Centre for Behaviour Change, University College London, London, United Kingdom of Great Britain and Northern Ireland
| | - Kathryn Hamilton
- Clinical, Health and Educational Psychology/Centre for Behaviour Change, University College London, London, United Kingdom of Great Britain and Northern Ireland
| | - Paul M Chadwick
- Clinical, Health and Educational Psychology/Centre for Behaviour Change, University College London, London, United Kingdom of Great Britain and Northern Ireland
| | - Fabiana Lorencatto
- Clinical, Health and Educational Psychology/Centre for Behaviour Change, University College London, London, United Kingdom of Great Britain and Northern Ireland
| | - Carla Gianfrancesco
- Sheffield Diabetes and Endocrine Centre, Sheffield Teaching Hospitals NHSF Trust, Sheffield, United Kingdom of Great Britain and Northern Ireland
| | - Nicole de Zoysa
- Diabetes Centre, King's College Hospital, London, United Kingdom of Great Britain and Northern Ireland
| | - Elizabeth Coates
- School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom of Great Britain and Northern Ireland
| | - Debbie Cooke
- School of Health Sciences, University of Surrey, London, United Kingdom of Great Britain and Northern Ireland
| | - Hayley McBain
- Health Services Research Centre, City, University of London, London, United Kingdom of Great Britain and Northern Ireland
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom of Great Britain and Northern Ireland
| | - Susan Michie
- Clinical, Health and Educational Psychology/Centre for Behaviour Change, University College London, London, United Kingdom of Great Britain and Northern Ireland
| |
Collapse
|
19
|
Bernjak A, Novodvorsky P, Chow E, Iqbal A, Sellors L, Williams S, Fawdry RA, Marques JLB, Jacques RM, Campbell MJ, Sheridan PJ, Heller SR. Cardiac arrhythmias and electrophysiologic responses during spontaneous hyperglycaemia in adults with type 1 diabetes mellitus. Diabetes Metab 2021; 47:101237. [PMID: 33647473 DOI: 10.1016/j.diabet.2021.101237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 12/21/2020] [Accepted: 02/08/2021] [Indexed: 01/19/2023]
Abstract
AIM We examined the effect of spontaneous hyperglycaemia in adults with type 1 diabetes mellitus (T1DM) and without history of cardiovascular disease on heart rate variability (HRV), cardiac repolarisation and incidence of cardiac arrhythmias. METHODS Thirty-seven individuals with T1DM (age 17-50 years, 19 males, mean duration of diabetes 19.3 SD(9.6) years) underwent 96 h of simultaneous ambulatory 12-lead Holter ECG and blinded continuous interstitial glucose (IG) monitoring (CGM). HRV, QT interval and cardiac repolarisation were assessed during hyperglycaemia (IG ≥ 15 mmol/l) and compared with matched euglycaemia (IG 5-10 mmol/l) on a different day, separately during the day and night. Rates of arrhythmias were assessed by calculating incidence rate differences. RESULTS Simultaneous ECG and CGM data were recorded for 2395 hours. During daytime hyperglycaemia vs euglycaemia the mean QTc interval duration was 404 SD(21)ms vs 407 SD(20)ms, P = 0.263. T-peak to T-end interval duration corrected for heart rate (TpTendc) shortened: 74.8 SD(16.1)ms vs 79.0 SD(14.8)ms, P = 0.033 and T-wave symmetry increased: 1.62 SD(0.33) vs 1.50 SD(0.39), P = 0.02. During night-time hyperglycaemia vs euglycaemia, the mean QTc interval duration was 401 SD(26)ms vs 404 SD(27)ms, P = 0.13 and TpTend shortened: 62.4 SD(12.0)ms vs 67.1 SD(11.8)ms, P = 0.003. The number of cardiac arrhythmias was low and confined to bradycardia and isolated ectopic beats. A considerable inter-subject and diurnal variability was observed. CONCLUSIONS Hyperglycaemia in individuals with T1DM without known cardiovascular disease was not associated with clinically important cardiac arrhythmias.
Collapse
Affiliation(s)
- A Bernjak
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, United Kingdom; INSIGNEO Institute for in silico Medicine, University of Sheffield, Sheffield, United Kingdom
| | - P Novodvorsky
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, United Kingdom; Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - E Chow
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom; Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - A Iqbal
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, United Kingdom; Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom; Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - L Sellors
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, United Kingdom; Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - S Williams
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, United Kingdom; Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - R A Fawdry
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, United Kingdom; Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - J L B Marques
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, United Kingdom
| | - R M Jacques
- School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom
| | - M J Campbell
- School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom
| | - P J Sheridan
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom; Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - S R Heller
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, United Kingdom; Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom.
| |
Collapse
|
20
|
Garden GL, Hine JL, Mitchell SJ, Hutchison EJ, Gaffney TP, Hofmann V, Frier BM, Shaw KM, Heller SR, Koehler G, Roberts GA, Russell-Jones DL. An Evaluation of the Safety of Pilots With Insulin-Treated Diabetes in Europe Flying Commercial and Noncommercial Aircraft. Diabetes Care 2020; 43:2923-2929. [PMID: 32586987 DOI: 10.2337/dc20-0277] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 04/23/2020] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The risk of hypoglycemia in people with insulin-treated diabetes has debarred them from certain "safety-critical" occupations, including flying commercial aircraft. This report evaluates the effectiveness of a protocol enabling a large cohort of insulin-treated pilots to fly commercially. RESEARCH DESIGN AND METHODS This was an observational study of pilots with insulin-treated diabetes who were granted medical certification to fly commercial and noncommercial aircraft. Clinical details, pre- and in-flight (hourly and 30 min before landing) blood glucose values were correlated against the protocol-specified ranges: green (5-15 mmol/L), amber (low, 4-4.9 mmol/L; high, 15.1-20 mmol/L), and red (low, <4 mmol/L; high, >20 mmol/L). RESULTS A total of 49 pilots with type 1 (84%) or type 2 (16%) diabetes who had been issued class 1 or class 2 certificates were studied. Median diabetes duration was 10.9 years. Mean HbA1c was 7.2% (55.0 mmol/mol) before certification and 7.2% (55.1 mmol/mol) after certification (P = 0.97). Blood glucose values (n = 38,621) were recorded during 22,078 flying hours. Overall, 97.69% of measurements were within the green range, 1.42% within the low amber range, and 0.75% within the high amber range. Only 0.12% of readings were within the low red range and 0.02% within the high red range. Out-of-range readings declined from 5.7% in 2013 to 1.2% in 2019. No episodes of pilot incapacitation occurred, and glycemic control did not deteriorate. CONCLUSIONS The protocol is practical to implement, and no events compromising safety were reported. This study represents what is, to our knowledge, the most extensive data set from people with insulin-treated diabetes working in a "safety-critical" occupation, which may be relevant when estimating risk in other safety-critical occupations.
Collapse
Affiliation(s)
| | | | | | | | | | | | - Brian M Frier
- The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, U.K
| | | | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, U.K
| | - Gerd Koehler
- Austro Control, Vienna, Austria.,Division of Endocrinology and Diabetology, Medical University Graz, Graz, Austria
| | - Graham A Roberts
- Irish Aviation Authority, Dublin, Ireland.,CRF-C University College Cork, HRB Clinical Research Facility Cork, Mercy University Hospital, Cork, Ireland.,Diabetes Research Group, Swansea University, Swansea, U.K
| | - David L Russell-Jones
- University of Surrey, Guildford, U.K. .,Civil Aviation Authority, Crawley, West Sussex, U.K
| |
Collapse
|
21
|
Sinclair AJ, Heller SR, Pratley RE, Duan R, Heine RJ, Festa A, Kiljański J. Evaluating glucose-lowering treatment in older people with diabetes: Lessons from the IMPERIUM trial. Diabetes Obes Metab 2020; 22:1231-1242. [PMID: 32100382 PMCID: PMC7383926 DOI: 10.1111/dom.14013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/11/2020] [Accepted: 02/20/2020] [Indexed: 01/24/2023]
Abstract
Understanding the benefits and risks of treatments to be used by older individuals (≥65 years old) is critical for informed therapeutic decisions. Glucose-lowering therapy for older patients with diabetes should be tailored to suit their clinical condition, comorbidities and impaired functional status, including varying degrees of frailty. However, despite the rapidly growing population of older adults with diabetes, there are few dedicated clinical trials evaluating glucose-lowering treatment in older people. Conducting clinical trials in the older population poses multiple significant challenges. Despite the general agreement that individualizing treatment goals and avoiding hypoglycaemia is paramount for the therapy of older people with diabetes, there are conflicting perspectives on specific glycaemic targets that should be adopted and on use of specific drugs and treatment strategies. Assessment of functional status, frailty and comorbidities is not routinely performed in diabetes trials, contributing to insufficient characterization of older study participants. Moreover, significant operational barriers and problems make successful enrolment and completion of such studies difficult. In this review paper, we summarize the current guidelines and literature on conducting such trials, as well as the learnings from our own clinical trial (IMPERIUM) that assessed different glucose-lowering strategies in older people with type 2 diabetes. We discuss the importance of strategies to improve study design, enrolment and attrition. Apart from summarizing some practical advice to facilitate the successful conduct of studies, we highlight key gaps and needs that warrant further research.
Collapse
Affiliation(s)
- Alan J. Sinclair
- Foundation for Diabetes Research in Older PeopleDiabetes Frail LimitedWorcestershireUK
- King's CollegeLondonUK
| | - Simon R. Heller
- Department of Oncology & Metabolism, University of SheffieldSheffieldUK
| | - Richard E. Pratley
- AdventHealth Translational Research Institute for Metabolism and DiabetesOrlandoFloridaUSA
| | - Ran Duan
- Eli Lilly and CompanyIndianapolisIndianaUSA
| | | | - Andreas Festa
- 1st Medical DepartmentLK StockerauNiederösterreichAustria
| | | |
Collapse
|
22
|
Bradburn MJ, Lee EC, White DA, Hind D, Waugh NR, Cooke DD, Hopkins D, Mansell P, Heller SR. Treatment effects may remain the same even when trial participants differed from the target population. J Clin Epidemiol 2020; 124:126-138. [DOI: 10.1016/j.jclinepi.2020.05.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 04/15/2020] [Accepted: 05/04/2020] [Indexed: 02/06/2023]
|
23
|
Heller SR, Peyrot M, Oates SK, Taylor AD. Hypoglycemia in patient with type 2 diabetes treated with insulin: it can happen. BMJ Open Diabetes Res Care 2020; 8:8/1/e001194. [PMID: 32546549 PMCID: PMC7299018 DOI: 10.1136/bmjdrc-2020-001194] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 04/29/2020] [Accepted: 05/09/2020] [Indexed: 02/06/2023] Open
Abstract
There are many misconceptions about the prevalence and effects of hypoglycemia in people with type 2 diabetes (T2D), including hypoglycemia does not occur or does not have adverse consequences in T2D. This narrative review aims to help dispel these myths. Around 25% of people with T2D taking insulin for >5 years were found to have severe hypoglycemic events, which is comparable to the severe hypoglycemia rate in adults with type 1 diabetes (T1D) diagnosed within 5 years. The total number of hypoglycemic events among insulin-treated T2D, including severe hypoglycemia, is as high or higher than among those with T1D. Recent evidence suggests serious consequences of hypoglycemia may, in some respects, be greater in individuals with T2D, particularly regarding effects on the cardiovascular system. Hypoglycemia is generally patient-reported. Issues with hypoglycemia unawareness, limited glucose testing, limited recall, lack of event logging and fear of failure or shaming limits the number of hypoglycemic episodes reported by people with diabetes. Barriers to healthcare provider inquiry and reporting include lack of knowledge regarding the problem's magnitude, competing priorities during patient visits, lack of incentives to report and limitations to documentation systems for adequate reporting. All people with diabetes should be encouraged to discuss their experiences with hypoglycemia without judgment or shame. Glucose targets, testing schedules (blood glucose or continuous glucose monitoring) and treatment plans should be reviewed often and individualized to the minimize risk of hypoglycemia. Finally, people with T2D on insulin should always be encouraged to have oral glucose and rescue medication immediately available.
Collapse
Affiliation(s)
- Simon R Heller
- Endocrinology & Metabolism, University of Sheffield, Sheffield, UK
| | - Mark Peyrot
- Sociology, Loyola University Maryland, Baltimore, Maryland, USA
| | - Shannon K Oates
- Endocrinology & Metabolism, Indiana University Health Arnett Hospital, Lafayette, Indiana, USA
| | - April D Taylor
- Medical Development, Lilly USA, Indianapolis, Indiana, USA
| |
Collapse
|
24
|
Bernjak A, Chow E, Robinson EJ, Freeman J, Marques JLB, Macdonald IA, Sheridan PJ, Heller SR. Influence of cardiac autonomic neuropathy on cardiac repolarisation during incremental adrenaline infusion in type 1 diabetes. Diabetologia 2020; 63:1066-1071. [PMID: 32030469 PMCID: PMC7145773 DOI: 10.1007/s00125-020-05106-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 01/13/2020] [Indexed: 11/01/2022]
Abstract
AIMS/HYPOTHESIS We examined the effect of a standardised sympathetic stimulus, incremental adrenaline (epinephrine) infusion on cardiac repolarisation in individuals with type 1 diabetes with normal autonomic function, subclinical autonomic neuropathy and established autonomic neuropathy. METHODS Ten individuals with normal autonomic function and baroreceptor sensitivity tests (NAF), seven with subclinical autonomic neuropathy (SAN; normal standard autonomic function tests and abnormal baroreceptor sensitivity tests); and five with established cardiac autonomic neuropathy (CAN; abnormal standard autonomic function and baroreceptor tests) underwent an incremental adrenaline infusion. Saline (0.9% NaCl) was infused for the first hour followed by 0.01 μg kg-1 min-1 and 0.03 μg kg-1 min-1 adrenaline for the second and third hours, respectively, and 0.06 μg kg-1 min-1 for the final 30 min. High resolution ECG monitoring for QTc duration, ventricular repolarisation parameters (T wave amplitude, T wave area symmetry ratio) and blood sampling for potassium and catecholamines was performed every 30 min. RESULTS Baseline heart rate was 68 (95% CI 60, 76) bpm for the NAF group, 73 (59, 87) bpm for the SAN group and 84 (78, 91) bpm for the CAN group. During adrenaline infusion the heart rate increased differently across the groups (p = 0.01). The maximum increase from baseline (95% CI) in the CAN group was 22 (13, 32) bpm compared with 11 (7, 15) bpm in the NAF and 10 (3, 18) bpm in the SAN groups. Baseline QTc was 382 (95% CI 374, 390) ms in the NAF, 378 (363, 393) ms in the SAN and 392 (367, 417) ms in the CAN groups (p = 0.31). QTc in all groups lengthened comparably with adrenaline infusion. The longest QTc was 444 (422, 463) ms (NAF), 422 (402, 437) ms (SAN) and 470 (402, 519) ms (CAN) (p = 0.09). T wave amplitude and T wave symmetry ratio decreased and the maximum decrease occurred earlier, at lower infused adrenaline concentrations in the CAN group compared with NAF and SAN groups. AUC for the symmetry ratio was different across the groups and was lowest in the CAN group (p = 0.04). Plasma adrenaline rose and potassium fell comparably in all groups. CONCLUSIONS/INTERPRETATION Participants with CAN showed abnormal repolarisation in some measures at lower adrenaline concentrations. This may be due to denervation adrenergic hypersensitivity. Such individuals may be at greater risk of cardiac arrhythmias in response to physiological sympathoadrenal challenges such as stress or hypoglycaemia.
Collapse
Affiliation(s)
- Alan Bernjak
- Department of Oncology & Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield, UK
- INSIGNEO Institute for in silico Medicine, University of Sheffield, Sheffield, UK
| | - Elaine Chow
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
- Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, China
| | - Emma J Robinson
- Department of Oncology & Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield, UK
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Jenny Freeman
- Leeds Institute of Life Sciences, University of Leeds, Leeds, UK
| | - Jefferson L B Marques
- Department of Oncology & Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield, UK
- Institute of Biomedical Engineering, Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Ian A Macdonald
- School of Life Sciences, Queen's Medical Centre, University of Nottingham, Nottingham, UK
| | - Paul J Sheridan
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Simon R Heller
- Department of Oncology & Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield, UK.
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK.
| |
Collapse
|
25
|
Heller SR, Gianfrancesco C, Taylor C, Elliott J. What are the characteristics of the best type 1 diabetes patient education programmes (from diagnosis to long-term care), do they improve outcomes and what is required to make them more effective? Diabet Med 2020; 37:545-554. [PMID: 32034796 DOI: 10.1111/dme.14268] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/05/2020] [Indexed: 12/17/2022]
Abstract
The last 20 years have witnessed a marked change in approaches to the management of type 1 diabetes in the UK. This is exemplified by National Institute of Health and Care Excellence (NICE) guidance which acknowledges that reaching and maintaining target glucose depends on people with type 1 diabetes effectively implementing flexible intensive insulin therapy. The guidance emphasizes that successful self-management requires the acquisition of complex skills and is best achieved by participation in high-quality structured education. Controlled trials and other research have shown that programmes teaching self-management can lower glucose levels while reducing hypoglycaemia, improve psychological outcomes and are highly cost-effective. An important principle of successful programmes is therapeutic education in which learning becomes a partnership between the professional and the person with diabetes who learns to fit diabetes into his/her everyday life. Other recommended elements of programmes include a written curriculum, group teaching by a professional multidisciplinary team and quality assurance. Yet many participants struggle post-course to implement and maintain skills, and overall HbA1c levels, particularly in the UK, remain far from target. Recent studies have identified the barriers to sustained effective self-management and concluded that even high-quality programmes generally lack critical components. These include incorporating evidence from behaviour change research, exploiting the promise of new technologies in reducing the burden of self-management, and providing structured professional support once people have completed the training. Studies are currently underway to evaluate structured training courses which have added these elements and examine whether they can lower glucose to levels closer to target without impairing quality of life.
Collapse
Affiliation(s)
- S R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Department of Diabetes and Endocrinology, Sheffield Teaching Hospitals Foundation Trust, Sheffield, UK
| | - C Gianfrancesco
- Department of Diabetes and Endocrinology, Sheffield Teaching Hospitals Foundation Trust, Sheffield, UK
| | - C Taylor
- Department of Diabetes and Endocrinology, Sheffield Teaching Hospitals Foundation Trust, Sheffield, UK
| | - J Elliott
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Department of Diabetes and Endocrinology, Sheffield Teaching Hospitals Foundation Trust, Sheffield, UK
| |
Collapse
|
26
|
Winkley K, Upsher R, Stahl D, Pollard D, Brennan A, Heller SR, Ismail K. Psychological interventions to improve glycemic control in adults with type 2 diabetes: a systematic review and meta-analysis. BMJ Open Diabetes Res Care 2020; 8:8/1/e001150. [PMID: 32273289 PMCID: PMC7254106 DOI: 10.1136/bmjdrc-2019-001150] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/10/2020] [Accepted: 02/14/2020] [Indexed: 12/31/2022] Open
Abstract
The quality of evidence that psychological interventions are effective in improving glycemic control in adults with type 2 diabetes (T2D) is weak.We conducted a systematic review and meta-analysis of psychological interventions in T2D to assess whether their effectiveness in improving glycemic levels has improved over the past 30 years. We applied the protocol of a systematic review and aggregate meta-analysis conducted to January 2003. We added network meta-analysis (NMA) to compare intervention and control group type against usual care. MEDLINE, Cumulative Index to Nursing and Allied Health Literature, PsycINFO, EMBASE, Cochrane Controlled Trials Database, Web of Science, and Dissertation Abstracts International were searched from January 2003 to July 2018. Only randomized controlled trials (RCT) of psychological interventions for adults with T2D reported in any language were included. The primary outcome was change in glycemic control (glycated hemoglobin (HbA1c) in mmol/mol). Data were extracted from study reports and authors were contacted for missing data.94 RCTs were eligible for inclusion in the systematic review since the last review. In 70 RCTs (n=14 796 participants) the pooled mean difference in HbA1c in those randomized to psychological intervention compared with control group was -0.19 (95% CI -0.25 to -0.12), equivalent to a reduction in HbA1c of 3.7 mmol/mol, with moderate heterogeneity across studies (I2=64.7%, p<0.001). NMA suggested the probability of intervention effectiveness is highest for self-help materials, cognitive-behavioral therapy, and counseling, compared with usual care. Limitations of this study include that there is a possibility that some studies may have been missed if diabetes did not appear in the title or abstract.The effectiveness of psychological interventions for adults with T2D have minimal clinical benefit in improving glycemic control. PROSPERO REGISTRATION NUMBER: CRD42016033619.
Collapse
Affiliation(s)
- Kirsty Winkley
- Florence Nightingale Faculty of Nursing, Midwifery & Palliative Care, King's College London, London, UK
| | - Rebecca Upsher
- Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Daniel Stahl
- Department of Biostatistics, King's College London, London, UK
| | - Daniel Pollard
- School of Health and Related Research, Health Economics and Decision Science, University of Sheffield, Sheffield, UK
| | - Alan Brennan
- School of Health and Related Research, Health Economics and Decision Science, University of Sheffield, Sheffield, UK
| | - Simon R Heller
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, UK
| | - Khalida Ismail
- Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| |
Collapse
|
27
|
Hendrieckx C, Gonder-Frederick L, Heller SR, Snoek FJ, Speight J. How has psycho-behavioural research advanced our understanding of hypoglycaemia in type 1 diabetes? Diabet Med 2020; 37:409-417. [PMID: 31814151 DOI: 10.1111/dme.14205] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/04/2019] [Indexed: 11/29/2022]
Abstract
Almost 100 years since the discovery of insulin, hypoglycaemia remains a barrier for people with type 1 diabetes to achieve and maintain blood glucose at levels which prevent long-term diabetes-related complications. Although hypoglycaemia is primarily attributable to the limitations of current treatment and defective hormonal counter-regulation in type 1 diabetes, the central role of psycho-behavioural factors in preventing, recognizing and treating hypoglycaemia has been acknowledged since the early 1980s. Over the past 25 years, as documented in the present review, there has been a substantial increase in psycho-behavioural research focused on understanding the experience and impact of hypoglycaemia. The significant contributions have been in understanding the impact of hypoglycaemia on a person's emotional well-being and aspects of life (e.g. sleep, driving, work/social life), identifying modifiable psychological and behavioural risk factors, as well as in developing psycho-behavioural interventions to prevent and better manage (severe) hypoglycaemia. The impact of hypoglycaemia on family members has also been confirmed. Structured diabetes education programmes and psycho-behavioural interventions with a focus on hypoglycaemia have both been shown to be effective in addressing problematic hypoglycaemia. However, the findings have also revealed the complexity of the problem and the need for a personalized approach, taking into account the individual's knowledge of, and emotional/behavioural reactions to hypoglycaemia. Evidence is emerging that people with persistent and recurrent severe hypoglycaemia, characterized by deeply entrenched cognitions and lack of concern around hypoglycaemia, can benefit from tailored cognitive behavioural therapy.
Collapse
Affiliation(s)
- C Hendrieckx
- School of Psychology, Deakin University, Geelong, Victoria, Australia
- The Australian Centre for Behavioural Research in Diabetes, Melbourne, Victoria, Australia
| | - L Gonder-Frederick
- Centre for Diabetes Technology, Department of Psychiatry and Neurobehavioural Sciences, University of Virginia, Charlottesville, VA, USA
| | - S R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - F J Snoek
- Department of Medical Psychology, Amsterdam University Medical Centres, Vrije Universiteit Amsterdam, The Netherlands
| | - J Speight
- School of Psychology, Deakin University, Geelong, Victoria, Australia
- The Australian Centre for Behavioural Research in Diabetes, Melbourne, Victoria, Australia
| |
Collapse
|
28
|
Heller SR, Buse JB, Ratner R, Seaquist E, Bardtrum L, Hansen CT, Tutkunkardas D, Moses AC. Redefining Hypoglycemia in Clinical Trials: Validation of Definitions Recently Adopted by the American Diabetes Association/European Association for the Study of Diabetes. Diabetes Care 2020; 43:398-404. [PMID: 31658975 PMCID: PMC7411283 DOI: 10.2337/dc18-2361] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 09/17/2019] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To determine if the International Hypoglycaemia Study Group (IHSG) level 2 low glucose definition can identify clinically relevant hypoglycemia in clinical trials and offer value as an end point for future trials. RESEARCH DESIGN AND METHODS A post hoc analysis was performed of the SWITCH (SWITCH 1: n = 501, type 1 diabetes; SWITCH 2: n = 721, type 2 diabetes) and DEVOTE (n = 7,637, type 2 diabetes) trials utilizing the IHSG low glucose definitions. Patients in all trials were randomized to either insulin degludec or insulin glargine 100 units/mL. In the main analysis, the following definitions were compared: 1) American Diabetes Association (ADA) 2005 (plasma glucose [PG] confirmed ≤3.9 mmol/L with symptoms); and 2) IHSG level 2 (PG confirmed <3.0 mmol/L, independent of symptoms). RESULTS In SWITCH 2, the estimated rate ratios of hypoglycemic events indicated increasing differences between treatments with decreasing PG levels until 3.0 mmol/L, following which no additional treatment differences were observed. Similar results were observed for the SWITCH 1 trial. In SWITCH 2, the IHSG level 2 definition produced a rate ratio that was lower than the ADA 2005 definition. CONCLUSIONS The IHSG level 2 definition was validated in a series of clinical trials, demonstrating its ability to discriminate between basal insulins. This definition is therefore recommended to be uniformly adopted by regulatory bodies and used in future clinical trials.
Collapse
MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Diabetes Mellitus, Type 1/blood
- Diabetes Mellitus, Type 1/diagnosis
- Diabetes Mellitus, Type 1/drug therapy
- Diabetes Mellitus, Type 2/blood
- Diabetes Mellitus, Type 2/diagnosis
- Diabetes Mellitus, Type 2/drug therapy
- Diagnostic Techniques, Endocrine/standards
- Europe
- Female
- Humans
- Hypoglycemia/blood
- Hypoglycemia/chemically induced
- Hypoglycemia/diagnosis
- Hypoglycemic Agents/therapeutic use
- Insulin Glargine/therapeutic use
- Insulin, Long-Acting/therapeutic use
- Male
- Middle Aged
- Practice Guidelines as Topic/standards
- Randomized Controlled Trials as Topic/methods
- Randomized Controlled Trials as Topic/standards
- Reference Standards
- Reference Values
- Societies, Medical/organization & administration
- Societies, Medical/standards
- Terminology as Topic
- United States
- Young Adult
Collapse
Affiliation(s)
- Simon R Heller
- Academic Unit of Diabetes, Oncology & Metabolism, University of Sheffield, Sheffield, U.K.
| | - John B Buse
- University of North Carolina School of Medicine, Chapel Hill, NC
| | - Robert Ratner
- Division of Endocrinology and Metabolism, Georgetown University Medical School, Washington, DC
| | | | | | | | | | | |
Collapse
|
29
|
Flatt AJS, Little SA, Speight J, Leelarathna L, Walkinshaw E, Tan HK, Bowes A, Lubina-Solomon A, Holmes-Truscott E, Chadwick TJ, Wood R, McDonald TJ, Kerr D, Flanagan D, Brooks A, Heller SR, Evans ML, Shaw JAM. Predictors of Recurrent Severe Hypoglycemia in Adults With Type 1 Diabetes and Impaired Awareness of Hypoglycemia During the HypoCOMPaSS Study. Diabetes Care 2020; 43:44-52. [PMID: 31484666 DOI: 10.2337/dc19-0630] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 08/06/2019] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The HypoCOMPaSS study was designed to test the hypothesis that successful avoidance of biochemical hypoglycemia without compromising overall glycemic control would restore sufficient hypoglycemia awareness to prevent recurrent severe hypoglycemia in the majority of participants with established type 1 diabetes. Before starting the study, we planned to investigate associations between baseline characteristics and recurrent severe hypoglycemia over 2 years' follow-up. RESEARCH DESIGN AND METHODS A total of 96 adults with type 1 diabetes and impaired awareness of hypoglycemia participated in a 24-week 2 × 2 factorial randomized controlled trial comparing insulin delivery and glucose monitoring modalities, with the goal of rigorous biochemical hypoglycemia avoidance. The analysis included 71 participants who had experienced severe hypoglycemia in the 12-month prestudy with confirmed absence (complete responder) or presence (incomplete responder) of severe hypoglycemia over 24 months' follow-up. RESULTS There were 43 (61%) complete responders and 28 (39%) incomplete responders experiencing mean ± SD 1.5 ± 1.0 severe hypoglycemia events/person-year. At 24 months, incomplete responders spent no more time with glucose ≤3 mmol/L (1.4 ± 2.1% vs. 3.0 ± 4.8% for complete responders; P = 0.26), with lower total daily insulin dose (0.45 vs. 0.58 units/24 h; P = 0.01) and greater impairment of hypoglycemia awareness (Clarke score: 3.8 ± 2.2 vs. 2.0 ± 1.9; P = 0.01). Baseline severe hypoglycemia rate (16.9 ± 16.3 vs. 6.4 ± 10.8 events/person-year; P = 0.002) and fear of hypoglycemia were higher in incomplete responders. Peripheral neuropathy was more prevalent in incomplete responders (11 [39%] vs. 2 [4.7%]; P < 0.001) with a trend toward increased autonomic neuropathy. CONCLUSIONS Recurrent severe hypoglycemia was associated with higher preintervention severe hypoglycemia rate, fear of hypoglycemia, and concomitant neuropathy.
Collapse
Affiliation(s)
- Anneliese J S Flatt
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, U.K.,Newcastle Diabetes Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, U.K
| | - Stuart A Little
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, U.K.,Newcastle Diabetes Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, U.K
| | - Jane Speight
- School of Psychology, Deakin University, Geelong, Victoria, Australia.,The Australian Centre for Behavioural Research in Diabetes, Diabetes Victoria, Melbourne, Victoria, Australia.,AHP Research, Hornchurch, U.K
| | - Lalantha Leelarathna
- Wellcome Trust-MRC Institute of Metabolic Science Metabolic Research Laboratories, University of Cambridge, Cambridge, U.K
| | - Emma Walkinshaw
- School of Medicine and Biomedical Sciences, The University of Sheffield, Sheffield, U.K
| | - Horng Kai Tan
- Peninsula College of Medicine and Dentistry, Plymouth, U.K
| | - Anita Bowes
- Bournemouth Diabetes and Endocrine Centre, Royal Bournemouth Hospital, Bournemouth, U.K
| | | | - Elizabeth Holmes-Truscott
- Newcastle Diabetes Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, U.K.,School of Psychology, Deakin University, Geelong, Victoria, Australia
| | - Thomas J Chadwick
- Institute of Health & Society, Newcastle University, Newcastle upon Tyne, U.K
| | - Ruth Wood
- Newcastle Clinical Trials Unit, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, U.K
| | - Timothy J McDonald
- Institute of Biomedical and Clinical Science, College of Medicine and Health, University of Exeter, Exeter, U.K
| | - David Kerr
- Bournemouth Diabetes and Endocrine Centre, Royal Bournemouth Hospital, Bournemouth, U.K.,Sansum Diabetes Research Institute, Santa Barbara, CA
| | | | - Augustin Brooks
- Bournemouth Diabetes and Endocrine Centre, Royal Bournemouth Hospital, Bournemouth, U.K
| | - Simon R Heller
- School of Medicine and Biomedical Sciences, The University of Sheffield, Sheffield, U.K
| | - Mark L Evans
- Wellcome Trust-MRC Institute of Metabolic Science Metabolic Research Laboratories, University of Cambridge, Cambridge, U.K
| | - James A M Shaw
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, U.K. .,Newcastle Diabetes Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, U.K
| |
Collapse
|
30
|
White WB, Jalil F, Cushman WC, Bakris GL, Bergenstal R, Heller SR, Liu Y, Mehta C, Zannad F, Cannon CP. Average Clinician-Measured Blood Pressures and Cardiovascular Outcomes in Patients With Type 2 Diabetes Mellitus and Ischemic Heart Disease in the EXAMINE Trial. J Am Heart Assoc 2019; 7:e009114. [PMID: 30371278 PMCID: PMC6474950 DOI: 10.1161/jaha.118.009114] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Blood pressure (BP) treatment goals in patients with diabetes mellitus and increased cardiovascular risk remain controversial. Our study objective was to determine cardiovascular outcomes according to achieved BPs over the average follow‐up period in the EXAMINE (Examination of Cardiovascular Outcomes With Alogliptin Versus Standard of Care) trial. Methods and Results EXAMINE was a cardiovascular outcomes trial in 5380 patients with type 2 diabetes mellitus and recent acute coronary syndromes. Risks of major adverse cardiac events and cardiovascular death or heart failure were analyzed using a Cox proportional hazards model with adjustment for baseline covariates in 10‐mm Hg increments of clinician‐measured systolic BP from ≤100 to >160 mm Hg and diastolic BP from ≤60 to >100 mm Hg averaged during the 24 months after randomization. Based on 2015 guidelines from the American College of Cardiology, the American Heart Association and the American Society of Hypertension and 2017 American Diabetes Association guidelines, systolic BPs of 131 to 140 mm Hg and diastolic BPs of 81 to 90 mm Hg were the reference groups. A U‐shaped relationship between cardiovascular outcomes and BPs was observed. Importantly, compared with the systolic BP reference group, adjusted hazard ratios for major adverse cardiac events and cardiovascular death or heart failure were significantly higher in patients with systolic BPs <130 mm Hg. Similarly, compared with the diastolic BP reference group, adjusted hazard ratios for major adverse cardiac events and for cardiovascular death or heart failure were significantly higher for diastolic BPs <80 mm Hg. Conclusions In patients with type 2 diabetes mellitus and recent acute coronary syndrome, average BPs <130/80 mm Hg were associated with worsened cardiovascular outcomes. These data suggest that intensive control of BP in patients with type 2 diabetes mellitus and ischemic heart disease should be evaluated in a prospective randomized trial. Clinical Trial Registration URL: https://www.clinicaltrials.gov. Unique identifier: NCT00968708. See Editorial by https://doi.org/10.1161/JAHA.118.010752
Collapse
Affiliation(s)
| | - Fatima Jalil
- University of Connecticut School of MedicineFarmingtonCT
| | - William C. Cushman
- Memphis Veterans Affairs Medical CenterUniversity of Tennessee Health Science CenterMemphisTN
| | | | | | | | - Yuyin Liu
- Baim Clinical Research InstituteBostonMA
| | | | | | | |
Collapse
|
31
|
Speight J, Holmes-Truscott E, Little SA, Leelarathna L, Walkinshaw E, Tan HK, Bowes A, Kerr D, Flanagan D, Heller SR, Evans ML, Shaw JAM. Satisfaction with the Use of Different Technologies for Insulin Delivery and Glucose Monitoring Among Adults with Long-Standing Type 1 Diabetes and Problematic Hypoglycemia: 2-Year Follow-Up in the HypoCOMPaSS Randomized Clinical Trial. Diabetes Technol Ther 2019; 21:619-626. [PMID: 31335201 DOI: 10.1089/dia.2019.0152] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Background: In the HypoCOMPaSS trial, adults with long-standing type 1 diabetes and problematic hypoglycemia were randomized to compare insulin pump (continuous subcutaneous insulin infusion; CSII) with multiple daily injections (MDI) and real-time continuous glucose monitoring (RT-CGM) with conventional self-monitoring of blood glucose (SMBG). Our aim was to investigate participants' satisfaction with these technologies at 6-month randomized, controlled trial (RCT) endpoint and at 2-year follow-up. Methods: Participants completed the Insulin Treatment Satisfaction Questionnaire subscales "device delivery" and "hypoglycemia control"; and Glucose Monitoring Experience Questionnaire, assessing "convenience", "effectiveness", "intrusiveness", and "total satisfaction." We assessed change over time and between-group differences by insulin and monitoring modalities. Results: Participants (N = 96) were 64% women, aged 49 ± 12 years, with a diabetes duration of 29 ± 12 years. At 6 months, participants reported improvements compared with baseline (all P < 0.001) in satisfaction with insulin "delivery device" (r = 0.39) and "hypoglycemia control" (r = 0.52), and trends toward significance in perceived "effectiveness" (r = 0.42) and "intrusiveness" (r = 0.27) of monitoring device (but not "convenience", P = 0.139). All improvements were sustained at 2 years. At 6 months, the only difference between arms was that greater satisfaction with insulin "delivery device" was reported in the CSII group compared with MDI (P < 0.001, r = 0.40). No between-group differences were observed at 2 years. Conclusions: Overall, significant improvements in participant satisfaction with diabetes technologies were observed over the 6-month RCT, in all domains except "convenience," and maintained at 2 years. Although HypoCOMPaSS demonstrated noninferiority of SMBG versus CGM, and MDI versus CSII in terms of biomedical outcomes, detailed assessments confirm that participants' satisfaction with delivery device was greater in those allocated to CSII than MDI.
Collapse
Affiliation(s)
- Jane Speight
- School of Psychology, Deakin University, Geelong, Australia
- The Australian Centre for Behavioural Research in Diabetes, Diabetes Victoria, Melbourne, Australia
- AHP Research, Hornchurch, United Kingdom
| | - Elizabeth Holmes-Truscott
- School of Psychology, Deakin University, Geelong, Australia
- The Australian Centre for Behavioural Research in Diabetes, Diabetes Victoria, Melbourne, Australia
| | - Stuart A Little
- Institute of Cellular Medicine, Newcastle University, Newcastle, United Kingdom
- Newcastle Diabetes Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Lalantha Leelarathna
- Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Cambridge, United Kingdom
- Manchester University NHS Foundation Trust and University of Manchester, Manchester, United Kingdom
| | - Emma Walkinshaw
- School of Medicine and Biomedical Science, Sheffield University, Sheffield, United Kingdom
| | - Horn Kai Tan
- Peninsula College of Medicine and Dentistry, Plymouth, United Kingdom
| | - Anita Bowes
- Poole Diabetes Centre, Poole Hospital NHS Foundation Trust, Poole, United Kingdom
| | - David Kerr
- Sansum Diabetes Research Institute, Santa Barbara, California
| | - Daniel Flanagan
- Peninsula College of Medicine and Dentistry, Plymouth, United Kingdom
| | - Simon R Heller
- School of Medicine and Biomedical Science, Sheffield University, Sheffield, United Kingdom
| | - Mark L Evans
- Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Cambridge, United Kingdom
| | - James A M Shaw
- Institute of Cellular Medicine, Newcastle University, Newcastle, United Kingdom
- Newcastle Diabetes Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| |
Collapse
|
32
|
Houlden R, Mosenzon O, Rosenlund S, Eriksson JW, Heller SR, Pratley RE, Sathyapalan T, Blicher TM, Hels OH, Desouza C. 94 - Oral Semaglutide vs Placebo in Patients With Type 2 Diabetes and Moderate Renal Impairment: PIONEER 5. Can J Diabetes 2019. [DOI: 10.1016/j.jcjd.2019.07.103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
33
|
Dunkley AJ, Fitzpatrick C, Gray LJ, Waheed G, Heller SR, Frier BM, Davies MJ, Khunti K. Incidence and severity of hypoglycaemia in type 2 diabetes by treatment regimen: A UK multisite 12-month prospective observational study. Diabetes Obes Metab 2019; 21:1585-1595. [PMID: 30843327 DOI: 10.1111/dom.13690] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 02/28/2019] [Accepted: 03/05/2019] [Indexed: 12/28/2022]
Abstract
AIMS To determine the incidence and severity of self-reported hypoglycaemia in a primary care population with type 2 diabetes. The study also aimed to compare incidence by treatment regimen. MATERIALS AND METHODS A prospective observational study in 17 centres throughout the UK was conducted. Recruitment was based on treatment regimen (metformin alone, sulphonylurea-, insulin- or incretin-based therapy). Participants were asked to keep a blood glucose diary and self-report hypoglycaemia episodes [non-severe (self-treated) and severe (requiring external help)] over a 12-month period. RESULTS Three hundred and twenty-five participants were enrolled, of whom 274 (84%) returned ≥1 monthly diaries. Overall, 39% reported experiencing hypoglycaemia; 32% recorded ≥1 symptomatic, 36% ≥1 non-severe, and 7% ≥1 severe episodes. By treatment, incidence (events per person/year) for any hypoglycaemia type was 4.39 for insulin, 2.34 for sulphonylurea, 0.76 for metformin, and 0.56 for incretin-based therapy. Compared with metformin, risk of non-severe hypoglycaemia was ~3 times higher for participants on sulphonylureas and > 5 times higher for those on insulin [incidence rate ratio (IRR) 3.02 (1.76-5.18), P < 0.001, and IRR 5.96 (3.48-10.2), P < 0.001, respectively]. For severe episodes, the incidence for sulphonylurea (0.09) was similar to metformin (0.07) and incretin-based therapy (0.07); for insulin the risk remained almost 5 times higher than metformin [incidence 0.32; IRR 4.55 (1.28-16.20), P = 0.019]. CONCLUSIONS Hypoglycaemia represents a substantial burden for people with type 2 diabetes. Sulphonylureas and insulin are both associated with a risk of reported non-severe hypoglycaemia, but only insulin with severe episodes. This suggests the importance of the continued use of sulphonylureas in appropriate patients with type 2 diabetes.
Collapse
Affiliation(s)
- Alison J Dunkley
- Diabetes Research Centre, University of Leicester, Leicester, UK
| | | | - Laura J Gray
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - Ghazala Waheed
- Diabetes Research Centre, University of Leicester, Leicester, UK
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Brian M Frier
- BHF Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Melanie J Davies
- Diabetes Research Centre, University of Leicester, Leicester, UK
| | - Kamlesh Khunti
- Diabetes Research Centre, University of Leicester, Leicester, UK
| |
Collapse
|
34
|
Heller SR, DeVries JH, Wysham C, Hansen CT, Hansen MV, Frier BM. Lower rates of hypoglycaemia in older individuals with type 2 diabetes using insulin degludec versus insulin glargine U100: Results from SWITCH 2. Diabetes Obes Metab 2019; 21:1634-1641. [PMID: 30891886 PMCID: PMC6618254 DOI: 10.1111/dom.13708] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 03/06/2019] [Accepted: 03/16/2019] [Indexed: 01/09/2023]
Abstract
AIM This study aimed to investigate the safety of insulin degludec (degludec) in relation to age and risk of hypoglycaemia post hoc in individuals with type 2 diabetes (T2D) (SWITCH 2 trial). METHODS In this crossover study, individuals with T2D who were at risk of hypoglycaemia were randomized to double-blind treatment with degludec or insulin glargine 100 units/mL (glargine U100) ± oral antidiabetic drugs. After 32 weeks, patients crossed over to the other treatment. Primary endpoint was number of overall severe (positively adjudicated) or glucose-confirmed (plasma glucose <56 mg/dL; 3.1 mmol/L) symptomatic hypoglycaemia events during the two 16-week maintenance periods. RESULTS For individuals ≤65 (n = 450) and >65 (n = 270) years, baseline median (range) duration of diabetes was 12 (1-40) vs 15 (1-54) years, mean HbA1c was 7.7% vs 7.4% and mean estimated glomerular filtration rate was 87.0 vs 63.7 mL/min/1.73 m2 , respectively. No significant differences in HbA1c reduction were seen in individuals ≤65 or >65 years. During both maintenance periods, treatment with degludec lowered rates of hypoglycaemia (overall/nocturnal symptomatic) vs those with glargine U100 in individuals ≤65 (31% vs 43%) and >65 (30% vs 41%) years. With degludec and glargine U100, respectively, six vs nine severe hypoglycaemic events occurred in individuals ≤65 years and four vs eight events occurred in those >65 years. Adverse event rates were 3.2 and 3.3 events/patient-year for individuals ≤65 years and were 3.5 and 4.1 events/patient-year for individuals >65 years with degludec and glargine U100, respectively. CONCLUSION Treatment with degludec was safe and effective, with a frequency of hypoglycaemia lower than that with glargine U100 in both younger and older individuals (>65 years) with T2D.
Collapse
Affiliation(s)
- Simon R. Heller
- Academic Unit of Diabetes, Endocrinology and MetabolismUniversity of SheffieldSheffieldUK
| | - J. Hans DeVries
- Academic Medical CenterUniversity of AmsterdamAmsterdamthe Netherlands
| | - Carol Wysham
- School of MedicineUniversity of Washington/Multicare Rockwood ClinicSpokaneWashington
| | | | | | - Brian M. Frier
- The Queen's Medical Research CentreUniversity of EdinburghEdinburghUK
| |
Collapse
|
35
|
Affiliation(s)
- Simon R Heller
- Department of Oncology & Metabolism, University of Sheffield Medical School, Sheffield, U.K.
| |
Collapse
|
36
|
Danne T, Garg S, Peters AL, Buse JB, Mathieu C, Pettus JH, Alexander CM, Battelino T, Ampudia-Blasco FJ, Bode BW, Cariou B, Close KL, Dandona P, Dutta S, Ferrannini E, Fourlanos S, Grunberger G, Heller SR, Henry RR, Kurian MJ, Kushner JA, Oron T, Parkin CG, Pieber TR, Rodbard HW, Schatz D, Skyler JS, Tamborlane WV, Yokote K, Phillip M. International Consensus on Risk Management of Diabetic Ketoacidosis in Patients With Type 1 Diabetes Treated With Sodium-Glucose Cotransporter (SGLT) Inhibitors. Diabetes Care 2019; 42:1147-1154. [PMID: 30728224 PMCID: PMC6973545 DOI: 10.2337/dc18-2316] [Citation(s) in RCA: 206] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Sodium-glucose cotransporter (SGLT) inhibitors are new oral antidiabetes medications shown to effectively reduce glycated hemoglobin (A1C) and glycemic variability, blood pressure, and body weight without intrinsic properties to cause hypoglycemia in people with type 1 diabetes. However, recent studies, particularly in individuals with type 1 diabetes, have demonstrated increases in the absolute risk of diabetic ketoacidosis (DKA). Some cases presented with near-normal blood glucose levels or mild hyperglycemia, complicating the recognition/diagnosis of DKA and potentially delaying treatment. Several SGLT inhibitors are currently under review by the U.S. Food and Drug Administration and European regulatory agencies as adjuncts to insulin therapy in people with type 1 diabetes. Strategies must be developed and disseminated to the medical community to mitigate the associated DKA risk. This Consensus Report reviews current data regarding SGLT inhibitor use and provides recommendations to enhance the safety of SGLT inhibitors in people with type 1 diabetes.
Collapse
Affiliation(s)
- Thomas Danne
- Diabetes Centre for Children and Adolescents, Kinder- und Jugendkrankenhaus Auf der Bult, Hannover, Germany
| | - Satish Garg
- University of Colorado Denver and Barbara Davis Center for Diabetes, Aurora, CO
| | - Anne L Peters
- Keck School of Medicine of the University of Southern California, Los Angeles, CA
| | - John B Buse
- University of North Carolina School of Medicine, Chapel Hill, NC
| | - Chantal Mathieu
- Department of Endocrinology, UZ Gasthuisberg, KU Leuven, Leuven, Belgium
| | - Jeremy H Pettus
- Division of Endocrinology and Metabolism, Department of Medicine, University of California, San Diego, San Diego, CA
| | | | - Tadej Battelino
- Department of Pediatric Endocrinology, Diabetes and Metabolic Diseases, University Children's Hospital, University Medical Centre Ljubljana, and Faculty of Medicine, University of Ljubljana, Slovenia
| | | | | | - Bertrand Cariou
- Clinique d'endocrinologie, L'institut du thorax, CHU Nantes, CIC 1413 INSERM, Nantes, France
| | | | - Paresh Dandona
- Division of Endocrinology, Diabetes and Metabolism, University at Buffalo, The State University of New York, Buffalo, NY
| | | | - Ele Ferrannini
- National Research Council (CNR) Institute of Clinical Physiology, Pisa, Italy
| | - Spiros Fourlanos
- Department of Diabetes and Endocrinology, Royal Melbourne Hospital, Melbourne, Australia
| | | | - Simon R Heller
- Academic Unit of Diabetes, Endocrinology & Metabolism, University of Sheffield, Sheffield, U.K
| | - Robert R Henry
- Division of Endocrinology and Metabolism, Department of Medicine, University of California, San Diego, San Diego, CA
| | | | | | - Tal Oron
- Jesse Z and Sara Lea Shafer Institute of Endocrinology and Diabetes, National Center for Childhood Diabetes, Schneider Children's Medical Center of Israel, Petah Tikva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | | | - Thomas R Pieber
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | | | - Desmond Schatz
- Division of Endocrinology, Department of Pediatrics, University of Florida, Gainesville, FL
| | - Jay S Skyler
- Division of Endocrinology, Diabetes and Metabolism, Miller School of Medicine, University of Miami, Miami, FL
| | | | - Koutaro Yokote
- Department of Diabetes, Metabolism and Endocrinology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Moshe Phillip
- Jesse Z and Sara Lea Shafer Institute of Endocrinology and Diabetes, National Center for Childhood Diabetes, Schneider Children's Medical Center of Israel, Petah Tikva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| |
Collapse
|
37
|
Iqbal A, Prince LR, Novodvorsky P, Bernjak A, Thomas MR, Birch L, Lambert D, Kay LJ, Wright FJ, Macdonald IA, Jacques RM, Storey RF, McCrimmon RJ, Francis S, Heller SR, Sabroe I. Effect of Hypoglycemia on Inflammatory Responses and the Response to Low-Dose Endotoxemia in Humans. J Clin Endocrinol Metab 2019; 104:1187-1199. [PMID: 30252067 PMCID: PMC6391720 DOI: 10.1210/jc.2018-01168] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 09/19/2018] [Indexed: 12/20/2022]
Abstract
CONTEXT Hypoglycemia is emerging as a risk for cardiovascular events in diabetes. We hypothesized that hypoglycemia activates the innate immune system, which is known to increase cardiovascular risk. OBJECTIVE To determine whether hypoglycemia modifies subsequent innate immune system responses. DESIGN AND SETTING Single-blinded, prospective study of three independent parallel groups. PARTICIPANTS AND INTERVENTIONS Twenty-four healthy participants underwent either a hyperinsulinemic-hypoglycemic (2.5 mmol/L), euglycemic (6.0 mmol/L), or sham-saline clamp (n = 8 for each group). After 48 hours, all participants received low-dose (0.3 ng/kg) intravenous endotoxin. MAIN OUTCOME MEASURES We studied in-vivo monocyte mobilization and monocyte-platelet interactions. RESULTS Hypoglycemia increased total leukocytes (9.98 ± 1.14 × 109/L vs euglycemia 4.38 ± 0.53 × 109/L, P < 0.001; vs sham-saline 4.76 ± 0.36 × 109/L, P < 0.001) (mean ± SEM), mobilized proinflammatory intermediate monocytes (42.20 ± 7.52/μL vs euglycemia 20.66 ± 3.43/μL, P < 0.01; vs sham-saline 26.20 ± 3.86/μL, P < 0.05), and nonclassic monocytes (36.16 ± 4.66/μL vs euglycemia 12.72 ± 2.42/μL, P < 0.001; vs sham-saline 19.05 ± 3.81/μL, P < 0.001). Following hypoglycemia vs euglycemia, platelet aggregation to agonist (area under the curve) increased (73.87 ± 7.30 vs 52.50 ± 4.04, P < 0.05) and formation of monocyte-platelet aggregates increased (96.05 ± 14.51/μL vs 49.32 ± 6.41/μL, P < 0.05). Within monocyte subsets, hypoglycemia increased aggregation of intermediate monocytes (10.51 ± 1.42/μL vs euglycemia 4.19 ± 1.08/μL, P < 0.05; vs sham-saline 3.81± 1.42/μL, P < 0.05) and nonclassic monocytes (9.53 ± 1.08/μL vs euglycemia 2.86 ± 0.72/μL, P < 0.01; vs sham-saline 3.08 ± 1.01/μL, P < 0.05), with platelets compared with controls. Hypoglycemia led to greater leukocyte mobilization in response to subsequent low-dose endotoxin challenge (10.96 ± 0.97 vs euglycemia 8.21 ± 0.85 × 109/L, P < 0.05). CONCLUSIONS Hypoglycemia mobilizes monocytes, increases platelet reactivity, promotes interaction between platelets and proinflammatory monocytes, and potentiates the subsequent immune response to endotoxin. These changes may contribute to increased cardiovascular risk observed in people with diabetes.
Collapse
Affiliation(s)
- Ahmed Iqbal
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - Lynne R Prince
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - Peter Novodvorsky
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
| | - Alan Bernjak
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
- INSIGNEO Institute for In Silico Medicine, University of Sheffield, Sheffield, United Kingdom
| | - Mark R Thomas
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Lewis Birch
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - Danielle Lambert
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - Linda J Kay
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - Fiona J Wright
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - Ian A Macdonald
- MRC/ARUK Centre for Musculoskeletal Ageing Research, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham, United Kingdom
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University Nottingham, Nottingham, United Kingdom
| | - Richard M Jacques
- School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom
| | - Robert F Storey
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - Rory J McCrimmon
- Division of Molecular and Clinical Medicine, University of Dundee, Dundee, United Kingdom
| | - Sheila Francis
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - Simon R Heller
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
- Correspondence and Reprint Requests: Simon R. Heller, DM, Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, United Kingdom. E-mail:
| | - Ian Sabroe
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| |
Collapse
|
38
|
Dandona P, Mathieu C, Phillip M, Hansen L, Tschöpe D, Thorén F, Xu J, Langkilde AM, Proietto J, Stranks S, Chen R, O'Neal D, Pape A, Forbes M, Morbey C, Luger A, Hanusch U, Schnack C, Fliesser-Goerzer E, Hoelzl B, Ebenbichler C, Prager R, Van Gaal L, Vercammen C, Scheen A, Mathieu C, Duyck F, Nobels F, Ruige J, Aggarwal N, Woo V, St-Pierre B, Dumas R, Hramiak I, Elliott T, Hansen TK, Henriksen JE, Gram J, Lihn A, Bruun J, Saltevo J, Taurio J, Strand J, Valle T, Nieminen S, Pietilainen K, Guerci B, Hadjadj S, Cariou B, Verges B, Borot S, Penfornis A, Tschöpe D, Schaum T, Marck C, Horacek T, Rose L, Klausmann G, Luedemann J, Appelt S, Aigner U, Goebel R, Behnke T, Ziegler AG, Peterfai E, Kerenyi Z, Oroszlan T, Kiss GG, Konyves L, Piros G, Phillip M, Mosenzon O, Shehadeh N, Adawi F, Wainstein J, Dotta F, Piatti P, Genovese S, Consoli A, Di Bartolo P, Mannucci E, Giordano C, Lapolla A, Aguilar C, Bazzoni Ruiz AE, Mondragon Ramirez G, Orozco EP, Stobschinski de Alba CA, Medina Pech CE, Garza Ruiz J, Sauque Reyna L, Llamas Esperon G, Nevarez Ruiz LA, Velazquez MV, Flores Lozano F, Gonzalez Gonzalez JG, Garcia-Hernandez PA, Araujo Silva R, Villeda-Espinosa E, Mistodie C, Popescu D, Constantin C, Nicolau A, Popa B, Timar R, Serafinceanu C, Pintilei E, Soto A, Gimenez M, Merino J, Morales C, Mezquita P, Jendle J, Tengmark BO, Eriksson J, Londahl M, Eliasson B, Gunstone A, Heller SR, Darzy K, Mansell P, Davies M, Reed R, Browne D, Courtney H, Turner W, Blagden M, McCrimmon R, Dandona P, Bergenstal R, Lane W, Lucas K, White A, Bao S, White J, Jantzi C, Rasouli N, Ervin W, Lewy-Alterbaum L, Handelsman Y, Miranda-Palma B, Cleland A, Fink R, Rodbard H, Nakhle S, Greenberg C, Schorr A, Bays H, Simmons D, Klein E, Kane L, Fishman N, Ipp E, Garg S, Bhargava A, Singh MZ, Rosenstock J, Thrasher J, Warren M, Young L, Aroda V, Pettus J, Liljenquist D, Busch R, Wise J, Kayne D, Biggs W. Efficacy and Safety of Dapagliflozin in Patients With Inadequately Controlled Type 1 Diabetes: The DEPICT-1 52-Week Study. Diabetes Care 2018; 41:2552-2559. [PMID: 30352894 DOI: 10.2337/dc18-1087] [Citation(s) in RCA: 151] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 09/17/2018] [Indexed: 02/06/2023]
Abstract
OBJECTIVE This study evaluated the long-term safety and efficacy of dapagliflozin as an adjunct to adjustable insulin in patients with type 1 diabetes and inadequate glycemic control. RESEARCH DESIGN AND METHODS DEPICT-1 (Dapagliflozin Evaluation in Patients With Inadequately Controlled Type 1 Diabetes) was a randomized (1:1:1), double-blind, placebo-controlled phase 3 study of dapagliflozin 5 mg and 10 mg in patients with type 1 diabetes (HbA1c 7.5-10.5% [58-91 mmol/mol]) (NCT02268214). The results of the 52-week study, consisting of the 24-week short-term and 28-week extension period, are reported here. RESULTS Of the 833 patients randomized into the study, 708 (85%) completed the 52-week study. Over 52 weeks, dapagliflozin 5 mg and 10 mg led to clinically significant reductions in HbA1c (difference vs. placebo [95% CI] -0.33% [-0.49, -0.17] [-3.6 mmol/mol (-5.4, -1.9)] and -0.36% [-0.53, -0.20] [-3.9 mmol/mol (-5.8, -2.2)], respectively) and body weight (difference vs. placebo [95% CI] -2.95% [-3.83, -2.06] and -4.54% [-5.40, -3.66], respectively). Serious adverse events were reported in 13.4%, 13.5%, and 11.5% of patients in the dapagliflozin 5 mg, 10 mg, and placebo groups, respectively. Although hypoglycemia events were comparable across treatment groups, more patients in the dapagliflozin groups had events adjudicated as definite diabetic ketoacidosis (DKA; 4.0%, 3.4%, and 1.9% in dapagliflozin 5 mg, 10 mg, and placebo groups, respectively). CONCLUSIONS Over 52 weeks, dapagliflozin led to improvements in glycemic control and weight loss in patients with type 1 diabetes, while increasing the risk of DKA.
Collapse
Affiliation(s)
- Paresh Dandona
- Department of Medicine, State University of New York at Buffalo, Buffalo, NY
| | - Chantal Mathieu
- Clinical and Experimental Endocrinology, Universitair Ziekenhuis (UZ) Gasthuisberg, University of Leuven, Leuven, Belgium
| | - Moshe Phillip
- Institute for Endocrinology and Diabetes, Schneider Children’s Medical Center of Israel, Petah Tikva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | | | - Diethelm Tschöpe
- Department for Endocrinology, Diabetology and Gastroenterology, Heart and Diabetes Centre, Bad Oeynhausen, Germany, and Ruhr University Bochum, Bochum, Germany
| | | | - John Xu
- AstraZeneca, Gaithersburg, MD
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
39
|
Chow E, Iqbal A, Walkinshaw E, Phoenix F, Macdonald IA, Storey RF, Ajjan R, Heller SR. Prolonged Prothrombotic Effects of Antecedent Hypoglycemia in Individuals With Type 2 Diabetes. Diabetes Care 2018; 41:2625-2633. [PMID: 30327358 DOI: 10.2337/dc18-0050] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 09/17/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Hypoglycemia has been linked to persistent increases in cardiovascular (CV) mortality in type 2 diabetes after the event. Our aim was to examine acute and downstream effects of hypoglycemia on markers of thrombosis risk and inflammation in type 2 diabetes. RESEARCH DESIGN AND METHODS Twelve individuals with type 2 diabetes with no history of CV disease and 11 age- and BMI-matched volunteers without diabetes underwent paired hyperinsulinemic-euglycemic (glucose 6 mmol/L for two 60-min periods) and hypoglycemic (glucose 2.5 mmol/L for two 60-min periods) clamps on separate occasions on day 0. Fibrin clot properties, platelet reactivity, and inflammatory markers were measured at baseline, end of and after recovery from the initial clamp, day 1, and day 7 using validated assays and electron microscopy. RESULTS Euglycemic hyperinsulinemia reduced platelet reactivity, decreased fibrin clot density, and improved fibrinolytic efficiency in both groups. Platelet reactivity and aggregation increased during acute hypoglycemia in both groups, resolving at recovery. In type 2 diabetes, clot lysis times and clot maximum absorbance increased up to day 7 (P = 0.002 and 0.001 vs. euglycemia, respectively), but clots from control subjects without diabetes showed limited changes. Fibrin network density increased Δ 1.15 ± 0.28 fibers/μm2 at day 7 after the hypoglycemic clamp (P < 0.01 for glycemic arm), whereas fibrinogen and complement C3 increased after hypoglycemia up to day 7 in type 2 diabetes only. CONCLUSIONS Antecedent hypoglycemia has acute and persistent prothrombotic effects, lasting at least 7 days, that were enhanced in individuals with type 2 diabetes. These findings identify mechanisms by which hypoglycemia might increase short- and medium-term risk of CV mortality.
Collapse
Affiliation(s)
- Elaine Chow
- Department of Infection Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, U.K.,Department of Oncology and Metabolism, University of Sheffield, Sheffield, U.K
| | - Ahmed Iqbal
- Department of Infection Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, U.K.,Department of Oncology and Metabolism, University of Sheffield, Sheffield, U.K
| | - Emma Walkinshaw
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, U.K.,Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, U.K
| | - Fladia Phoenix
- Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, U.K
| | - Ian A Macdonald
- School of Life Sciences, University of Nottingham, Nottingham, U.K
| | - Robert F Storey
- Department of Infection Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, U.K.,Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, U.K
| | - Ramzi Ajjan
- Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, U.K
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, U.K. .,Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, U.K
| |
Collapse
|
40
|
Pratley RE, Rosenstock J, Heller SR, Sinclair A, Heine RJ, Kiljański J, Brusko CS, Duan R, Festa A. Reduced Glucose Variability With Glucose-Dependent Versus Glucose-Independent Therapies Despite Similar Glucose Control and Hypoglycemia Rates in a Randomized, Controlled Study of Older Patients With Type 2 Diabetes Mellitus. J Diabetes Sci Technol 2018; 12:1184-1191. [PMID: 29893144 PMCID: PMC6232729 DOI: 10.1177/1932296818776993] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Few studies have evaluated continuous glucose monitoring (CGM) in older patients with type 2 diabetes mellitus (T2DM) not using injectable therapy. CGM is useful for investigating hypoglycemia and glycemic variability, which is associated with complications in T2DM. METHODS A CGM substudy of Individualized treatMent aPproach for oldER patIents in a randomized trial in type 2 diabetes Mellitus (IMPERIUM)) was conducted. Patients were vulnerable (moderately ill and/or frail) older (≥65 years) individuals with suboptimally controlled T2DM. Strategy A comprised glucose-dependent therapies (n = 26) with a nonsulfonylurea oral antihyperglycemic medication (OAM) and a glucagon-like peptide-1 receptor agonist as the first injectable. Strategy B comprised non-glucose-dependent therapies (n = 21) with sulfonylurea as the preferred OAM and insulin glargine as the first injectable. Primary endpoints were duration and percentage of time spent with blood glucose (BG) ≤70 mg/dL over 24 hours at week 24. RESULTS Duration and percentage of time spent with hypoglycemia at ≤70 mg/dL were similar for Strategy A and Strategy B; glycemic control improved similarly in both arms (LSM change in HbA1c at week 24; A = -1.2%, B = -1.4%). Duration and percentage time spent with euglycemia and hyperglycemia were also similar in both arms. However, Strategy A was associated with lower within-day (21.1 ± 1.2 vs 25.1 ± 1.4, P = .046) and between-day (5.4 ± 1.0 vs 9.1 ± 1.3, P = .038) BG variability (coefficient of variance [LSM ± SE]) at week 24. CONCLUSIONS This CGM substudy in older patients with T2DM showed lower within- and between-day BG variability with glucose-dependent therapies but similar HbA1c reductions and hypoglycemia duration with glucose-independent strategies.
Collapse
Affiliation(s)
- Richard E. Pratley
- Florida Hospital and Sanford Burnham
Prebys Translational Research Institute, Orlando, FL, USA
- Richard E. Pratley, MD, Florida Hospital
Translational Research Institute, 301 Princeton Ave, Orlando, FL 32804, USA.
| | - Julio Rosenstock
- Dallas Diabetes and Endocrine Center at
Medical City, Dallas, TX, USA
| | | | - Alan Sinclair
- Foundation for Diabetes Research in
Older People, Diabetes Frail Limited, Worcestershire, UK
| | | | | | | | - Ran Duan
- Lilly USA, LLC, Indianapolis, IN,
USA
| | - Andreas Festa
- Eli Lilly & Company, Vienna,
Austria
- 1st Medical Department, LK Stockerau,
Niederösterreich, Austria
| |
Collapse
|
41
|
Korsatko S, Jensen L, Brunner M, Sach‐Friedl S, Tarp MD, Holst AG, Heller SR, Pieber TR. Effect of once-weekly semaglutide on the counterregulatory response to hypoglycaemia in people with type 2 diabetes: A randomized, placebo-controlled, double-blind, crossover trial. Diabetes Obes Metab 2018; 20:2565-2573. [PMID: 29893488 PMCID: PMC6221089 DOI: 10.1111/dom.13422] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 06/08/2018] [Accepted: 06/09/2018] [Indexed: 12/16/2022]
Abstract
AIMS To investigate the effects of semaglutide vs placebo on glucagon and other counterregulatory hormones during hypoglycaemia in type 2 diabetes (T2D). METHODS In this double-blind, placebo-controlled, single-centre trial, we randomized 38 men and women (treated only with metformin) 1:1 to 2 12-week crossover periods of once-weekly subcutaneous semaglutide or placebo, each followed by a hypoglycaemic clamp procedure. The primary endpoint was change in glucagon concentration from target plasma glucose (PG) level 5.5 mmol/L to nadir (target 2.5 mmol/L). RESULTS The mean (range) participant age was 54.2 (41-64) years, body mass index 29.4 (23.3-36.1) kg/m2 , glycated haemoglobin 60.8 (44.3-83.6) mmol/mol (7.7 [6.2-9.8]%), and diabetes duration 4.5 (0.3-13.2) years. A total of 35 participants completed the trial and were included in the analyses. During the hypoglycaemic clamp from 5.5 mmol/L PG to nadir, the absolute change in mean glucagon concentration was similar for semaglutide vs placebo: 88.3 vs 83.1 pg/mL (estimated difference 5.2 pg/mL [95% confidence interval -7.7 to 18.1]). Concentrations of other counterregulatory hormones increased with both treatments, with a statistically significantly lower increase for noradrenaline and cortisol with semaglutide vs placebo. The glucose infusion rate to maintain constant clamp levels was similar for each treatment group, suggesting an overall similar counterregulatory response. The mean hypoglycaemic symptom score and proportion of participants recognizing hypoglycaemia during the study were lower for semaglutide vs placebo treatment at nadir, but cognitive function test results were similar. No new safety issues were observed for semaglutide. CONCLUSIONS Semaglutide treatment did not compromise the counterregulatory glucagon response during experimental hypoglycaemia in people with T2D.
Collapse
Affiliation(s)
- Stefan Korsatko
- Department of Internal MedicineMedical University of GrazGrazAustria
| | | | - Martina Brunner
- Department of Internal MedicineMedical University of GrazGrazAustria
| | | | | | | | | | - Thomas R. Pieber
- Department of Internal MedicineMedical University of GrazGrazAustria
| |
Collapse
|
42
|
Little SA, Speight J, Leelarathna L, Walkinshaw E, Tan HK, Bowes A, Lubina-Solomon A, Chadwick TJ, Stocken DD, Brennand C, Marshall SM, Wood R, Kerr D, Flanagan D, Heller SR, Evans ML, Shaw JAM. Sustained Reduction in Severe Hypoglycemia in Adults With Type 1 Diabetes Complicated by Impaired Awareness of Hypoglycemia: Two-Year Follow-up in the HypoCOMPaSS Randomized Clinical Trial. Diabetes Care 2018; 41:1600-1607. [PMID: 29661916 DOI: 10.2337/dc17-2682] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 03/23/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Severe hypoglycemia is a feared complication of type 1 diabetes; yet, few trials have targeted prevention using optimized self-management (educational, therapeutic, and technological support). We aimed to investigate whether improved awareness and reduced severe hypoglycemia, achieved during an intensive randomized clinical trial (RCT), were sustained after return to routine care. RESEARCH DESIGN AND METHODS Ninety-six adults with type 1 diabetes (29 ± 12 years' duration) and impaired awareness of hypoglycemia at five U.K. tertiary referral diabetes centers were recruited into a 24-week 2 × 2 factorial RCT (HypoCOMPaSS). Participants were randomized to pump (continuous subcutaneous insulin infusion [CSII]) or multiple daily injections (MDIs) and real-time continuous glucose monitoring (RT-CGM) or self-monitoring of blood glucose (SMBG), with equal education/attention to all groups. At 24 weeks, participants returned to routine care with follow-up until 24 months, including free choice of MDI/CSII; RT-CGM vs. SMBG comparison continued to 24 months. Primary outcome was mean difference (baseline to 24 months [between groups]) in hypoglycemia awareness. RESULTS Improvement in hypoglycemia awareness was sustained (Gold score at baseline 5.1 ± 1.1 vs. 24 months 3.7 ± 1.9; P < 0.0001). Severe hypoglycemia rate was reduced from 8.9 ± 12.8 episodes/person-year over the 12 months prestudy to 0.4 ± 0.8 over 24 months (P < 0.0001). HbA1c improved (baseline 8.2 ± 3.2% [66 ± 12 mmol/mol] vs. 24 months 7.7 ± 3.1% [61 ± 10 mmol/mol]; P = 0.003). Improvement in treatment satisfaction and reduced fear of hypoglycemia were sustained. There were no significant differences between interventions at 24 months. CONCLUSIONS Optimized insulin replacement and glucose monitoring underpinned by hypoglycemia-focused structured education should be provided to all with type 1 diabetes complicated by impaired awareness of hypoglycemia.
Collapse
Affiliation(s)
- Stuart A Little
- Institute of Cellular Medicine, Newcastle University, Newcastle, U.K.,Newcastle Diabetes Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle, U.K
| | - Jane Speight
- School of Psychology, Deakin University, Geelong, Victoria, Australia.,The Australian Centre for Behavioural Research in Diabetes, Diabetes Victoria, Melbourne, Victoria, Australia.,AHP Research, Hornchurch, U.K
| | - Lalantha Leelarathna
- Wellcome Trust-MRC Institute of Metabolic Science Metabolic Research Laboratories, University of Cambridge, Cambridge, U.K
| | - Emma Walkinshaw
- School of Medicine and Biomedical Sciences, Sheffield University, Sheffield, U.K
| | - Horng Kai Tan
- Peninsula College of Medicine and Dentistry, Plymouth, U.K
| | - Anita Bowes
- Centre for Postgraduate Medical Research and Education, Bournemouth University, Poole, U.K
| | | | - Thomas J Chadwick
- Institute of Health and Society, Newcastle University, Newcastle, U.K
| | - Deborah D Stocken
- Institute of Health and Society, Newcastle University, Newcastle, U.K
| | - Catherine Brennand
- Newcastle Clinical Trials Unit, Faculty of Medical Sciences, Newcastle University, Newcastle, U.K
| | - Sally M Marshall
- Institute of Cellular Medicine, Newcastle University, Newcastle, U.K.,Newcastle Diabetes Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle, U.K
| | - Ruth Wood
- Newcastle Clinical Trials Unit, Faculty of Medical Sciences, Newcastle University, Newcastle, U.K
| | - David Kerr
- Centre for Postgraduate Medical Research and Education, Bournemouth University, Poole, U.K
| | | | - Simon R Heller
- School of Medicine and Biomedical Sciences, Sheffield University, Sheffield, U.K
| | - Mark L Evans
- Wellcome Trust-MRC Institute of Metabolic Science Metabolic Research Laboratories, University of Cambridge, Cambridge, U.K
| | - James A M Shaw
- Institute of Cellular Medicine, Newcastle University, Newcastle, U.K. .,Newcastle Diabetes Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle, U.K
| |
Collapse
|
43
|
White WB, Heller SR, Cannon CP, Howitt H, Khunti K, Bergenstal RM. Alogliptin in Patients with Type 2 Diabetes Receiving Metformin and Sulfonylurea Therapies in the EXAMINE Trial. Am J Med 2018; 131:813-819.e5. [PMID: 29581078 DOI: 10.1016/j.amjmed.2018.02.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 02/03/2018] [Accepted: 02/22/2018] [Indexed: 11/27/2022]
Abstract
BACKGROUND We evaluated the antihyperglycemic efficacy and safety of adding the dipeptidyl dipeptidase-4 inhibitor alogliptin to metformin and sulphonylurea in the treatment of type 2 diabetes in the Examination of Cardiovascular Outcomes with Alogliptin versus Standard of Care Trial. METHODS Patients with type 2 diabetes and recent acute coronary syndrome were randomized to alogliptin or placebo and standard of care. Participants were followed for up to 40 (median 18) months. In a subgroup taking metformin and sulphonylurea at baseline, we evaluated change from baseline in glycated hemoglobin (HbA1c), adverse events, cardiovascular outcomes, laboratory data, and other safety parameters. RESULTS There were 1398 patients receiving baseline dual therapy (metformin and sulphonylurea only) randomized to alogliptin (N = 693) or placebo (N = 705); 550 patients receiving alogliptin and 505 patients receiving placebo completed the Examination of Cardiovascular Outcomes with Alogliptin versus Standard of Care without addition of other antihyperglycemic therapies (P = .008). Changes from baseline to last visit in HbA1c were -0.4% on alogliptin and +0.1% on placebo (P < .001) in all those with baseline dual therapy and -0.4% for alogliptin and +0.2% for placebo (P < .001) in those without additional therapies. Reported rates of hypoglycemia were 8.8% for alogliptin and 6.7% for placebo (P = .16). Cardiovascular death and all-cause mortality rates were lower in those receiving alogliptin compared with those receiving placebo (hazard ratio, 0.49; 95% confidence interval, 0.28-0.84 and hazard ratio, 0.61; 95% confidence interval, 0.38-0.96, respectively). CONCLUSIONS Addition of the dipeptidyl peptidase-4 inhibitor alogliptin to dual therapy with metformin plus sulfonylurea significantly reduced HbA1c and was well tolerated. Lower mortality rates were seen in patients treated with alogliptin in this subgroup.
Collapse
Affiliation(s)
- William B White
- Calhoun Cardiology Center, University of Connecticut School of Medicine, Farmington.
| | | | | | | | - Kamlesh Khunti
- Diabetes Research Centre, University of Leicester, Leicester, UK
| | | | | |
Collapse
|
44
|
Abstract
This corrects the article on p. 3 in vol. 42, PMID: 29504302.
Collapse
Affiliation(s)
- Ahmed Iqbal
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Peter Novodvorsky
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| |
Collapse
|
45
|
Abstract
The role of intensive glycaemic control in preventing microvascular disease in diabetes is well established. Iatrogenic hypoglycaemia is, however, a major barrier to effective treatment. Hypoglycaemia is associated with a significant level of morbidity and, despite pharmacological and technological therapeutic advances, reported rates of severe hypoglycaemia in clinical practice have not fallen over the last 20 years. This suggests that human factors are of major relevance and that ensuring the effective self-management of diabetes is an important strategy for the reduction of hypoglycaemic risk. Most of the evidence for the impact of this strategy on hypoglycaemia risk is confined to adults with type 1 diabetes although, in this review, we also cite studies that have specifically addressed this in type 2 diabetes. There are relatively few adequately powered RCTs that have rigorously evaluated the effectiveness of structured education and training programmes on hypoglycaemia; however, the available data suggest a subsequent reduction in severe hypoglycaemia rates of around 50%, a rate reduction that is comparable with that observed following technological interventions. Furthermore, longitudinal observational cohorts support these data, showing similar reductions in rates of hypoglycaemia following structured education. Those who continue to experience recurrent hypoglycaemia and impaired awareness of hypoglycaemia despite education and training in diabetes self-management may benefit from technological interventions and/or interventions that specifically address psychological factors that contribute to hypoglycaemia risk; however, there is urgent need for further research in this area. In the meantime, structured education for effective self-management of diabetes should be part of routine therapy for all those with type 1 diabetes.
Collapse
Affiliation(s)
- Ahmed Iqbal
- Department of Oncology and Metabolism, Room EU38, E Floor, School of Medicine and Biomedical Sciences, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK
| | - Simon R Heller
- Department of Oncology and Metabolism, Room EU38, E Floor, School of Medicine and Biomedical Sciences, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK.
| |
Collapse
|
46
|
Campbell M, Heller SR, Jacques RM. Response to Comment on Novodvorsky et al. Diurnal Differences in Risk of Cardiac Arrhythmias During Spontaneous Hypoglycemia in Young People With Type 1 Diabetes. Diabetes Care 2017;40:655-662. Diabetes Care 2018; 41:e65-e66. [PMID: 29559463 DOI: 10.2337/dci17-0067] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Michael Campbell
- School of Health and Related Research, University of Sheffield, Sheffield, U.K
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, U.K.
| | - Richard M Jacques
- School of Health and Related Research, University of Sheffield, Sheffield, U.K
| |
Collapse
|
47
|
Abstract
Type 1 diabetes mellitus (T1DM) is a chronic autoimmune condition that requires life-long administration of insulin. Optimal management of T1DM entails a good knowledge and understanding of this condition both by the physician and the patient. Recent introduction of novel insulin preparations, technological advances in insulin delivery and glucose monitoring, such as continuous subcutaneous insulin infusion (CSII) and continuous glucose monitoring and improved understanding of the detrimental effects of hypoglycaemia and hyperglycaemia offer new opportunities and perspectives in T1DM management. Evidence from clinical trials suggests an important role of structured patient education. Our efforts should be aimed at improved metabolic control with concomitant reduction of hypoglycaemia. Despite recent advances, these goals are not easy to achieve and can put significant pressure on people with T1DM. The approach of physicians should therefore be maximally supportive. In this review, we provide an overview of the recent advances in T1DM management focusing on novel insulin preparations, ways of insulin administration and glucose monitoring and the role of metformin or sodium-glucose co-transporter 2 inhibitors in T1DM management. We then discuss our current understanding of the effects of hypoglycaemia on human body and strategies aimed at mitigating the risks associated with hypoglycaemia.
Collapse
Affiliation(s)
- Ahmed Iqbal
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Peter Novodvorsky
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Simon R Heller
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK.
| |
Collapse
|
48
|
Heller SR, Pratley RE, Sinclair A, Festa A, Kiljański J, Brusko CS, Duan R, Heine RJ. Glycaemic outcomes of an Individualized treatMent aPproach for oldER vulnerable patIents: A randomized, controlled stUdy in type 2 diabetes Mellitus (IMPERIUM). Diabetes Obes Metab 2018; 20:148-156. [PMID: 28671753 PMCID: PMC5724506 DOI: 10.1111/dom.13051] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 06/21/2017] [Accepted: 06/25/2017] [Indexed: 12/20/2022]
Abstract
AIMS To compare the glycaemic outcomes of 2 glucose-lowering treatment strategies in vulnerable (moderately ill and/or frail) patients aged ≥65 years with type 2 diabetes whose individual HbA1c targets were not met with diet/exercise and/or oral anti-hyperglycaemic medications (OAMs). METHODS The primary endpoint of this study was a composite of achieving/maintaining individualized HbA1c targets without "clinically significant" hypoglycaemia (severe hypoglycaemia or repeated hypoglycaemia causing interruption of patients' activities or blood glucose <54 mg/dL). Strategy-A comprised glucose-dependent therapies (n = 99) with a non-sulphonylurea OAM and a glucagon-like peptide-1 receptor agonist as the first injectable. Strategy-B comprised non-glucose-dependent therapies (n = 93) with sulphonylurea as the preferred OAM and insulin glargine as the first injectable. RESULTS There was no significant difference between Strategy-A and Strategy-B in percentages of patients achieving the primary endpoint (64.5% vs 54.9%; P = .190). Mean incidences (A vs B) of total (10.2% vs 53.8%), documented symptomatic (5.1% vs 36.6%), and asymptomatic (8.2% vs 32.3%) hypoglycaemia were lower for Strategy-A (P < .001 each). Proportions of patients achieving/maintaining HbA1c target (A, 63.3% vs B, 55.9%) were similar. CONCLUSION Similar proportions of older, vulnerable aged ≥65 years patients with type 2 diabetes achieved/maintained glycaemic treatment goals without clinically significant hypoglycaemia with Strategies A or B. However, Strategy-A resulted in lower risk of total, documented symptomatic, and asymptomatic hypoglycaemia. These results identify an approach of potential clinical benefit in this age group and will inform future clinical research in older patients with type 2 diabetes.
Collapse
Affiliation(s)
| | - Richard E. Pratley
- Florida Hospital and Sanford Burnham Prebys Translational Research InstituteOrlandoFlorida
| | - Alan Sinclair
- Foundation for Diabetes Research in Older People, Diabetes Frail LimitedDroitwichUK
| | | | | | | | - Ran Duan
- Lilly USA, LLCIndianapolisIndiana
| | | |
Collapse
|
49
|
Russell‐Jones D, Heller SR, Buchs S, Sandberg A, Valentine WJ, Hunt B. Projected long-term outcomes in patients with type 1 diabetes treated with fast-acting insulin aspart vs conventional insulin aspart in the UK setting. Diabetes Obes Metab 2017; 19:1773-1780. [PMID: 28573681 PMCID: PMC5697732 DOI: 10.1111/dom.13026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 05/19/2017] [Accepted: 05/29/2017] [Indexed: 11/28/2022]
Abstract
AIM To assess the impact of faster aspart vs insulin aspart on long-term clinical outcomes and costs for patients with type 1 diabetes mellitus (T1DM) in the UK setting. METHODS The QuintilesIMS CORE Diabetes Model was used to project clinical outcomes and costs over patient lifetimes in a cohort with data on baseline characteristics from the "onset 1" trial. Treatment effects were taken from the 26-week main phase of the onset 1 trial, with costs and utilities based on literature review. Future costs and clinical benefits were discounted at 3.5% annually. RESULTS Projections indicated that faster aspart was associated with improved discounted quality-adjusted life expectancy (by 0.13 quality-adjusted life-years) vs insulin aspart. Improved clinical outcomes resulted from fewer diabetes-related complications and a delayed time to their onset with faster aspart. Faster aspart was found to be associated with reduced costs vs insulin aspart (cost savings of £1715), resulting from diabetes-related complications avoided and reduced treatment costs. CONCLUSIONS Faster aspart was associated with improved clinical outcomes and cost savings vs insulin aspart for patients with T1DM in the UK setting.
Collapse
Affiliation(s)
- David Russell‐Jones
- Department of Diabetes and Endocrinology, Royal Surrey County HospitalGuildfordUK
| | - Simon R. Heller
- Department of Oncology and Metabolism, University of SheffieldSheffieldUK
| | | | | | | | - Barnaby Hunt
- Ossian Health Economics and CommunicationsBaselSwitzerland
| |
Collapse
|
50
|
Mitchell SJ, Hine J, Vening J, Montague J, Evans S, Shaw KM, Frier BM, Heller SR, Russell-Jones DL. A UK Civil Aviation Authority protocol to allow pilots with insulin-treated diabetes to fly commercial aircraft. Lancet Diabetes Endocrinol 2017; 5:677-679. [PMID: 28842157 DOI: 10.1016/s2213-8587(17)30264-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 07/05/2017] [Accepted: 07/17/2017] [Indexed: 11/25/2022]
Affiliation(s)
- Stuart J Mitchell
- Medical Department, UK Civil Aviation Authority, Aviation House Gatwick, Crawley, West Sussex, UK.
| | - Julia Hine
- Royal Surrey County Hospital and University of Surrey, Guildford, Surrey, UK
| | - Jill Vening
- Medical Department, UK Civil Aviation Authority, Aviation House Gatwick, Crawley, West Sussex, UK
| | - Joanne Montague
- Medical Department, UK Civil Aviation Authority, Aviation House Gatwick, Crawley, West Sussex, UK
| | - Sally Evans
- Medical Department, UK Civil Aviation Authority, Aviation House Gatwick, Crawley, West Sussex, UK
| | - Ken M Shaw
- University of Portsmouth, Portsmouth, UK
| | | | | | - David L Russell-Jones
- Medical Department, UK Civil Aviation Authority, Aviation House Gatwick, Crawley, West Sussex, UK; Royal Surrey County Hospital and University of Surrey, Guildford, Surrey, UK
| |
Collapse
|