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Simon SL, Snell-Bergeon JK, Schäfer M, Barker AJ, Browne LP, Truong U, Tell SS, Vigers T, Baumgartner AD, Lyon E, Polsky S, Schauer IE, Nadeau KJ. Sleep duration and association with cardiometabolic health in adolescents and adults with type 1 diabetes: Results from the BCQR-T1D study. Diabetes Obes Metab 2024; 26:2662-2672. [PMID: 38584515 PMCID: PMC11150084 DOI: 10.1111/dom.15582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 03/15/2024] [Accepted: 03/17/2024] [Indexed: 04/09/2024]
Abstract
AIM Type 1 diabetes (T1D) increases the risk of morbidity and mortality from cardiovascular disease, and insufficient sleep is prevalent. Emerging evidence suggests a link between sleep and cardiometabolic health, but this has not been examined across the lifespan in individuals with T1D. We aimed to examine associations between sleep and cardiometabolic health in adolescents and adults with T1D in a secondary analysis of data from a 4-week double-blind, random-order, placebo-controlled crossover trial of bromocriptine quick release (BCQR) therapy with a 4-week washout in between conditions. MATERIALS AND METHODS Forty-two adults (19-60 years) and 42 adolescents (12-18 years) with T1D >9 months completed 1 week of home monitoring with wrist-worn actigraphy to estimate sleep duration and continuous glucose monitoring, anthropometrics, arterial stiffness, magnetic resonance imaging (adolescents only), and fasting laboratory testing at each treatment phase. RESULTS Sixty-two per cent of adolescents and 74% of adults obtained <7 h of sleep per night at baseline. After adjustment for age, sex and diabetes duration, baseline sleep <7 h per night was associated with a higher body mass index, a higher waist circumference, a higher systolic blood pressure, worse arterial stiffness and a lower estimated insulin sensitivity (all p < .05). When examined by age group, associations between sleep duration and cardiometabolic health outcomes remained significant, predominantly for adolescents. In adolescents only, wake time was significantly later (p = .027) and time in bed was significantly longer with BCQR versus placebo (p = .049). CONCLUSIONS Objectively measured sleep <7 h per night was prevalent in adolescents and adults with T1D and associated with poorer cardiometabolic health markers. Small changes in sleep were seen following BCQR treatment in adolescents only. Sleep may be an important and novel target for improving cardiometabolic health in individuals with T1D.
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Affiliation(s)
- Stacey L. Simon
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Janet K. Snell-Bergeon
- Barbara Davis Center for Diabetes, University of Colorado Anschutz Medical Campus, Aurora CO USA
| | - Michal Schäfer
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Alex J Barker
- Department of Radiology, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Lorna P Browne
- Department of Radiology, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Uyen Truong
- Department of Cardiology, Children’s National Hospital, Washington, DC USA
| | - Shoshana S. Tell
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Timothy Vigers
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Amy D. Baumgartner
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Ellen Lyon
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO USA
| | - Sarit Polsky
- Barbara Davis Center for Diabetes, University of Colorado Anschutz Medical Campus, Aurora CO USA
| | - Irene E. Schauer
- Department of Medicine, University of Colorado Anschutz Medical Campus and Endocrinology Section, Rocky Mountain Regional VA Medical Center, Aurora, CO USA
| | - Kristen J. Nadeau
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO USA
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Dereje B, Nardos A. Dopamine 2 agonists for the management of type 2 diabetes: a systematic review and meta-analysis. J Diabetes Metab Disord 2023; 22:931-943. [PMID: 37975084 PMCID: PMC10638275 DOI: 10.1007/s40200-023-01230-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 04/28/2023] [Indexed: 11/16/2023]
Abstract
Background The Dopamine-2 receptor agonists, Bromocriptine and Cabergoline, were originally introduced for prolactinomas, pituitary tumors, and parkinson's disease but have glucose-lowering effects. This paper systematically reviewed the significance of their effects on lowering blood glucose level and conducted a comprehensive systematic search to identify relevant clinical trials of dopamine 2 agonists on glycated hemoglobin (HbA1c) and fasting blood sugar (FBS). Method We conducted a systematic review search in the databases (PubMed, Google Scholar, Cochrane Library, Registers, and Citations) until November 30, 2022, using the PRISMA 2020 statement. The Oxford quality score (Jadad score) was used to assess the study's quality. The present study protocol was registered on the PROSPERO database with ID: CRD42023389582. The study included studies with full abstracts, predefined doses, clear interventions, and blood glucose measurements. Result Data were synthesized from 23 clinical studies that recruited 6125 study subjects. The pooled effect analysis of the clinical trials revealed that dopamine 2 agonists improved HbA1c [SMD = -1.26; 95% CI (-1.60, -0.93), P < .00001], and FBS [SMD = -1.84; 95% CI (-2.61, -1.07), P < .00001]. Each drug's pooled effect analysis indicates bromocriptine significantly improved HbA1c [SMD = -1.25; 95% CI (-1.64, -0.87), P < .00001] and FBS [SMD = -1.90; 95% CI (-2.79, -1.01), P < .00001] and similarly, cabergoline significantly improved HbA1c [SMD = -1.29; 95% CI (-1.96, -0.62), P < .00001] and FBS [SMD = -1.62; 95% CI (-2.82, -0.41), P < .00001]. The pooled and individual analyses demonstrated that dopamine 2 agonists have a significant ability to lower blood glucose levels in clinical studies. Conclusion This study shows that dopamine 2 agonists significantly lowered FBS and HbA1c levels without causing severe negative effects. Even though the results are promising, additional research is necessary to establish the appropriate antihyperglycemic dosage, frequency of daily use, side effects, and potential product interactions when employing dopamine 2 receptor agonists for their antihyperglycemic effect.
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Affiliation(s)
- Beyene Dereje
- Department of Pharmacology, School of Medicine, College of Medicine and Health Sciences, Dire Dawa University, Dire Dawa, Ethiopia
| | - Aschalew Nardos
- Department of Pharmacology, School of Pharmacy, College of Medicine and Health Sciences, Hawassa University, Hawassa, Ethiopia
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Leslie RD, Ma RCW, Franks PW, Nadeau KJ, Pearson ER, Redondo MJ. Understanding diabetes heterogeneity: key steps towards precision medicine in diabetes. Lancet Diabetes Endocrinol 2023; 11:848-860. [PMID: 37804855 DOI: 10.1016/s2213-8587(23)00159-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/30/2023] [Accepted: 05/27/2023] [Indexed: 10/09/2023]
Abstract
Diabetes is a highly heterogeneous condition; yet, it is diagnosed by measuring a single blood-borne metabolite, glucose, irrespective of aetiology. Although pragmatically helpful, disease classification can become complex and limit advances in research and medical care. Here, we describe diabetes heterogeneity, highlighting recent approaches that could facilitate management by integrating three disease models across all forms of diabetes, namely, the palette model, the threshold model and the gradient model. Once diabetes has developed, further worsening of established diabetes and the subsequent emergence of diabetes complications are kept in check by multiple processes designed to prevent or circumvent metabolic dysfunction. The impact of any given disease risk factor will vary from person-to-person depending on their background, diabetes-related propensity, and environmental exposures. Defining the consequent heterogeneity within diabetes through precision medicine, both in terms of diabetes risk and risk of complications, could improve health outcomes today and shine a light on avenues for novel therapy in the future.
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Affiliation(s)
| | - Ronald Ching Wan Ma
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong SAR, China; Chinese University of Hong Kong-Shanghai Jiao Tong University Joint Research Centre in Diabetes Genomics and Precision Medicine, Hong Kong Institute of Diabetes and Obesity, The Chinese University of Hong Kong, Hong Kong SAR, China; Laboratory for Molecular Epidemiology in Diabetes, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Paul W Franks
- Novo Nordisk Foundation, Hellerup, Denmark; Lund University Diabetes Centre, Department of Clinical Sciences, Lund University, Malmo, Sweden; Oxford Centre for Diabetes, Endocrinology and Metabolism, Radcliffe Department of Medicine, University of Oxford, Oxford, UK; Harvard T H Chan School of Public Health, Boston, MA, USA
| | - Kristen J Nadeau
- Anschutz Medical Campus, University of Colorado, Aurora, CO, USA
| | - Ewan R Pearson
- Population Health & Genomics, School of Medicine, University of Dundee, Dundee, UK
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Patel P, Adusumilli A, Hari Narayanan D, Patel D, Patel S, Gutlapalli SD, Patel S, Patel KG, Kheyson B, Bibawy S, Otterbeck P. Evaluation of Efficacy of Bromocriptine as a Therapeutic Modality in the Treatment of Diabetes Mellitus: A Systematic Review. Cureus 2023; 15:e41931. [PMID: 37588318 PMCID: PMC10425704 DOI: 10.7759/cureus.41931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 07/15/2023] [Indexed: 08/18/2023] Open
Abstract
Diabetes mellitus (DM), one of the oldest diseases known to mankind has always been difficult to treat even with the availability of a variety of medications. In such a scenario, the Food and Drug Administration (FDA) has approved a novel therapeutic, bromocriptine, with a different mechanism of action than the traditional medications since 2009 but has not been used as either first-line therapy or add-on therapy. In this systematic review, we searched databases like PubMed, Medline, PubMed Central, Cochrane Library, Clinicaltrials.gov, and Wiley Online Library. The selected articles were screened using inclusion and exclusion criteria and quality appraised; finally, 11 studies including eight clinical trials and three narrative reviews were included. It was found that an increase in dopamine and serotonin levels were hypothesized to convert the insulin-resistant (IR) state to an insulin-sensitive (IS) state. Hence in DM, as there is an IR state, the administration of dopamine was hypothesized to increase insulin sensitivity. In our study based on included studies, it was found that bromocriptine was superior as an add-on therapy to metformin compared to metformin alone, also it was found beneficial in people failing treatment with any one oral hypoglycemic agent. On the contrary, bromocriptine was found inferior to teneligliptin in treating DM. Still, more studies are required to make an accurate and reliable assessment of the efficacy of bromocriptine in treating DM.
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Affiliation(s)
- Priyansh Patel
- Department of Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
- Department of Internal Medicine, Medical College Baroda, Vadodara, IND
| | - Amulya Adusumilli
- Department of Internal Medicine, Mahadevappa Rampure Medical College, Kalaburagi, IND
| | | | - Diya Patel
- Department of Internal Medicine, Gujarat Medical Education and Research Society, Sola, Ahmedabad, IND
| | - Sunny Patel
- Department of Internal Medicine, St. George's University School of Medicine, St. George's, GRD
| | - Sai Dheeraj Gutlapalli
- Department of Internal Medicine, Richmond University Medical Center, New York, USA
- Department of Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Sunil Patel
- Department of Internal Medicine, Richmond University Medical Center, New York, USA
| | - Kavan G Patel
- Department of Internal Medicine, Richmond University Medical Center, New York, USA
| | - Borislav Kheyson
- Department of Internal Medicine, Richmond University Medical Center, New York, USA
| | - Suzy Bibawy
- Department of Internal Medicine, Richmond University Medical Center, New York, USA
| | - Philip Otterbeck
- Department of Internal Medicine, Richmond University Medical Center, New York, USA
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Moradi-Vastegani Z, Hosseininejad M, Barati F, Hoseini F, Koohifayegh F. Long-lasting canine cardiovascular alterations following bromocriptine induced-estrus. Theriogenology 2023; 198:327-331. [PMID: 36638592 DOI: 10.1016/j.theriogenology.2023.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/09/2023]
Abstract
Bromocriptine (BRM), a dopamine 2 receptor agonist, is a common drug for inducing estrus in dogs. It is also used for the treatment of some endocrine abnormalities and has some cardiovascular consequences in the patients under treatment. The current study aimed to evaluate its effects on the cardiovascular function of dogs during administration and the subsequent induced estrus cycle. Eight non-pregnant female dogs were assigned into control and treatment groups. The control group (n = 3) were dogs that showed proestrus naturally. The treatment group (n = 5) received oral incremental (μg/kg) doses (100 on days 1 and 2, 200 on days 3, 4, and 400 on days 5 until the proestrus expression) of BRM tablets (2.5 mg; Iran-Hormone Co, Iran). The left ventricle function, carotid blood flow indices, and systolic (SAP) and diastolic (DAP) arterial pressure were recorded every two days. The phases of the cycle were determined using a vaginal smear. Peak systolic velocity (PSV), end-diastolic velocity (EDV), and resistance index (RI) had a sharp decline following the administration of BRM (P < 0.05). The carotid PSA, EDV, RI, and pulse index were lower during induced estrus compared to the control (p < 0.05). BRM-induced estrus showed a different pattern of changes compared to the normal cycle from day 9 (p < 0.05) onwards. The cardiovascular effects of BRM remained for days after the termination of administration which may interfere with reproductive functions.
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Affiliation(s)
- Zahra Moradi-Vastegani
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, 8818634141, Iran
| | - Morteza Hosseininejad
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, 8818634141, Iran
| | - Farid Barati
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, 8818634141, Iran.
| | - Farzaneh Hoseini
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, 8818634141, Iran
| | - Fardin Koohifayegh
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, 8818634141, Iran
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Schäfer M, Browne LP, Truong U, Bjornstad P, Tell S, Snell-Bergeon J, Baumgartner A, Hunter KS, Reusch JEB, Barker AJ, Nadeau KJ, Schauer IE. Bromocriptine Improves Central Aortic Stiffness in Adolescents With Type 1 Diabetes: Arterial Health Results From the BCQR-T1D Study. Hypertension 2023; 80:482-491. [PMID: 36472197 PMCID: PMC9852005 DOI: 10.1161/hypertensionaha.122.19547] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 10/09/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND The presence of vascular dysfunction is a well-recognized feature in youth with type 1 diabetes (T1D), accentuating their lifetime risk of cardiovascular events. Therapeutic strategies to mitigate vascular dysfunction are a high clinical priority. In the bromocriptine quick release T1D study (BCQR-T1D), we tested the hypothesis that BCQR would improve vascular health in youth with T1D. METHODS BCQR-T1D was a placebo-controlled, random-order, double-blinded, cross-over study investigating the cardiovascular and metabolic impact of BCQR in T1D. Adolescents in the BCQR-T1D study were randomized 1:1 to phase-1: 4 weeks of BCQR or placebo after which blood pressure and central aortic stiffness measurements by pulse wave velocity, relative area change, and distensibility from phase-contrast magnetic resonance imaging were performed. Following a 4-week washout period, phase 2 was performed in identical fashion with the alternate treatment. RESULTS Thirty-four adolescents (mean age 15.9±2.6 years, hemoglobin A1c 8.6±1.1%, body mass index percentile 71.4±26.1, median T1D duration 5.8 years) with T1D were enrolled and had magnetic resonance imaging data available. Compared with placebo, BCQR therapy decreased systolic (∆=-5 mmHg [95% CI, -3 to -7]; P<0.001) and diastolic blood pressure (∆=-2 mmHg [95% CI, -4 to 0]; P=0.039). BCQR reduced ascending aortic pulse wave velocity (∆=-0.4 m/s; P=0.018) and increased relative area change (∆=-2.6%, P=0.083) and distensibility (∆=0.08%/mmHg; P=0.017). In the thoraco-abdominal aorta, BCQR decreased pulse wave velocity (∆=-0.2 m/s; P=0.007) and increased distensibility (∆=0.05 %/mmHg; P=0.013). CONCLUSIONS BCQR improved blood pressure and central and peripheral aortic stiffness and pressure hemodynamics in adolescents with T1D over 4 weeks versus placebo. BCQR may improve aortic stiffness in youth with T1D, supporting future longer-term studies.
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Affiliation(s)
- Michal Schäfer
- Division of Pediatric Cardiology, Department of Pediatrics, University of Colorado – School of Medicine, Aurora, CO
| | - Lorna P. Browne
- Department of Radiology, University of Colorado – School of Medicine, Aurora, CO
| | - Uyen Truong
- Department of Cardiology, Children’s Hospital of Richmond at Virginia Commonwealth University
| | - Petter Bjornstad
- Section of Pediatric Endocrinology, Department of Pediatrics, University of Colorado – School of Medicine, Aurora, CO
| | - Shoshana Tell
- Section of Pediatric Endocrinology, Department of Pediatrics, University of Colorado – School of Medicine, Aurora, CO
| | - Janet Snell-Bergeon
- Barbara Davis Center, Department of Medicine, University of Colorado – School of Medicine, Aurora, CO
| | - Amy Baumgartner
- Section of Pediatric Endocrinology, Department of Pediatrics, University of Colorado – School of Medicine, Aurora, CO
| | - Kendall S. Hunter
- Department of Bioengineering, University of Colorado Denver | Anschutz Medical Campus, CO
| | - Jane E. B. Reusch
- Section of Endocrinology, Rocky Mountain Regional VAMC, Aurora, CO
- Division of Endocrinology, Department of Medicine, University of Colorado – School of Medicine, Aurora, CO
- Center for Women’s Health Research, University of Colorado – School of Medicine, Aurora, CO
| | - Alex J. Barker
- Department of Radiology, University of Colorado – School of Medicine, Aurora, CO
- Department of Bioengineering, University of Colorado Denver | Anschutz Medical Campus, CO
| | - Kristen J. Nadeau
- Section of Pediatric Endocrinology, Department of Pediatrics, University of Colorado – School of Medicine, Aurora, CO
| | - Irene E. Schauer
- Section of Endocrinology, Rocky Mountain Regional VAMC, Aurora, CO
- Division of Endocrinology, Department of Medicine, University of Colorado – School of Medicine, Aurora, CO
- Center for Women’s Health Research, University of Colorado – School of Medicine, Aurora, CO
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