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Alhotye M, Evans R, Orme M, Ng GA, Singh SJ. Understanding HCP views about delivering a rehabilitation programme for people living with atrial fibrillation. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
People living with Atrial Fibrillation (AF) can experience symptoms such as palpitation, dyspnea, fatigue and dizziness which lead to reduced physical activity levels and quality of life [1,2]. Current management of AF mainly focus on pharmacological treatments and invasive procedures, while no routine prescription of exercise or rehabilitation programme is offered.
Purpose
To assess the views and opinions of healthcare professionals about delivering a tailored exercise/cardiac rehabilitation programme to people living with AF, and to explore the barriers in referral to this programme.
Methods
A cross-sectional survey was conducted online between April and September 2021 for healthcare professionals who are involved in the care for adults with AF in UK. A range of professions were targeted, including general practitioners, cardiac physicians, physiotherapists and nurses. The survey comprised twelve questions designed to explore healthcare professional views about rehabilitation programmes for adults with AF, factors influencing their decision to recommend rehabilitation and barriers to the referral process.
Results
Overall, n=209 participants responded from a wide range of disciplines (57% female, 43% specialist arrhythmia nurses). The majority of participants agreed that a rehabilitation programme would be beneficial to support patients to perform daily activities (127, 61%), with n=123, 58% agreeing that rehabilitation programme would be beneficial in reducing breathlessness and would reduce other symptoms such as palpitation (108, 52%).
Nearly all the healthcare professional (n=206/99%) suggested that a tailored programme should include information about AF (206, 99%), weight management and symptom management (n=197, 94%) aside from exercise. The factors that strongly influence their decision to refer to a rehabilitation programme included patients with low physical activity levels (n=166, 80%) and low exercise tolerance (n=157, 76%). The main barrier in referring to the programme was transportation problems (n=128, 62%) (Figure 1). The majority reported that home based programme would be the best way to deliver the programme (166, 79%) (Figure 2).
Conclusions
The responses indicate the enthusiasm for a programme targeting people with AF, poor activity levels was the main reason for referral.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- M Alhotye
- University of Leicester , Leicester , United Kingdom
| | - R Evans
- University of Leicester , Leicester , United Kingdom
| | - M Orme
- University of Leicester , Leicester , United Kingdom
| | - G A Ng
- University of Leicester , Leicester , United Kingdom
| | - S J Singh
- University of Leicester , Leicester , United Kingdom
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2
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Hector S, Houchen-Wolloff L, Zatloukal J, Orme M. Home-based and hospital-based pulmonary rehabilitation in patients with COPD-does the location influence completion rates? Physiotherapy 2021. [DOI: 10.1016/j.physio.2021.10.061] [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] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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3
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Baker N, Orme M, Robinson T, Drewry S, Hagenberg A, Singh S. Does adapted cardiac rehabilitation change physical activity and sedentary behaviour for people with mild-to-moderate stroke? Physiotherapy 2020. [DOI: 10.1016/j.physio.2020.03.139] [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] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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4
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Baker N, Orme M, Robinson T, Drewry S, Hagenberg A, Singh S. Does adapted cardiac rehabilitation change physical activity and sedentary behaviour for people with mild-to-moderate stroke? Physiotherapy 2020. [DOI: 10.1016/j.physio.2020.03.138] [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] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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5
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Qin L, Orme M, Varol N, Kalkan A, Erdmann M, Bell K, Mukherjee J, Marbach S. Kombination von DPP-4-/SGLT-2-Inhibitoren als Add-on zu Metformin bei Patienten mit Typ-2-Diabetes: Vergleich mit OAD, GLP-1RA und Basalinsulin. DIABETOL STOFFWECHS 2017. [DOI: 10.1055/s-0037-1601751] [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] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- L Qin
- AstraZeneca, Gaithersburg, United States
| | - M Orme
- ICERA Consulting Ltd, Swindon, United States
| | - N Varol
- AstraZeneca, Cambridge, United Kingdom
| | - A Kalkan
- AstraZeneca, Söderttalje, Sweden
| | | | - K Bell
- AstraZeneca, Fort Washington, United States
| | - J Mukherjee
- Bristol-Myers Squibb, Wallingford, United States
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6
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Trethewey R, Esliger D, Petherick E, Evans R, Greening N, James B, Kingsnorth A, Morgan M, Orme M, Singh S, Sherar L, Toms N, Steiner M. P47 The influence of muscle mass in the assessment of lower limb strength in copd. Thorax 2016. [DOI: 10.1136/thoraxjnl-2016-209333.190] [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] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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7
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Abstract
In 2003 the two UK Government departments of Health and Education and Skills commissioned a team of investigators to examine a growing crisis in the educator and researcher workforce in the health, social care and education communities. The team were asked to look at all professions and take forward an extensive consultation process. This article describes the approach taken by the project team, articulates issues facing educators and researchers in nursing and suggests some models for career development. A series of recommendations are listed and shown to cover three main areas: (1) strategic drivers; (2) employment practices; and (3) matters relating to labour market intelligence. It can be shown that many of the problems facing nurse educators and researchers are shared with other staff groups in health and social care and that some ‘quick win’ solutions are possible. Although some effective costneutral work can be undertaken now, investment by Government is needed to make more substantial changes. Some of this investment may be found from existing funding streams but additional funding is likely to be necessary.
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Affiliation(s)
- A. Butterworth
- Trent NHS Workforce Development Confederation Professor, University of Manchester
| | - C. Jackson
- Trent Postgraduate Deanery, University of Nottingham
| | - E. Brown
- Trent NHS Workforce Development Confederation Project Manager
| | | | - J. Fergusson
- Adult Mental Health, Personnel and Communications Nottinghamshire Healthcare NHS Trust
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8
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Orme M. Book Review: Aspirin Symposium 1983. J R Soc Med 2016. [DOI: 10.1177/014107688507801140] [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] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- M Orme
- Professor of Clinical Pharmacology Royal Liverpool Hospital
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9
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Orme M. The background to the new WHO/IUPHAR/CIOMS manifesto entitled “clinical pharmacology in health care, teaching and research” and the importance of the focus on health care. Clin Ther 2013. [DOI: 10.1016/j.clinthera.2013.07.380] [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] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Spurden D, Orme M, Mitchell S, Bird A. SAT0298 Systematic review and network meta-analysis of biological therapy for the management of active psoriatic arthritis:. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.3245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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11
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Zografos G, Koulocheri D, Liakou P, Sofras M, Hadjiagapis S, Orme M, Marmarelis V. Novel technology of multimodal ultrasound tomography detects breast lesions. Eur Radiol 2012; 23:673-83. [PMID: 22983317 DOI: 10.1007/s00330-012-2659-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Revised: 08/19/2012] [Accepted: 08/22/2012] [Indexed: 11/25/2022]
Affiliation(s)
- G Zografos
- Breast Unit, 1st Department of Propaedeutic Surgery, School of Medicine, University of Athens, Athens, Greece.
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12
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Chan K, Tse J, Jennings F, Orme M. Plasma Concentrations of I.V. Pethidine in Healthy Volunteers Under Conditions of Various Urinary PH Values. J Pharm Pharmacol 2011. [DOI: 10.1111/j.2042-7158.1981.tb11746.x] [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] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- K Chan
- School of Pharmacy, Liverpool Polytechnic, Liverpool L3 3AF
| | - J Tse
- School of Pharmacy, Liverpool Polytechnic, Liverpool L3 3AF
| | - F Jennings
- Department of Anaesthetics and Clinical Pharmacology, Royal Liverpool Hospital, Prescot Street, Liverpool L7 8XP
| | - M Orme
- Department of Anaesthetics and Clinical Pharmacology, Royal Liverpool Hospital, Prescot Street, Liverpool L7 8XP
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13
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Affiliation(s)
- K Chan
- School of Pharmacy, Liverpool Polytechnic, Liverpool L3 3AF
| | - Joanna K C Li
- School of Pharmacy, Liverpool Polytechnic, Liverpool L3 3AF
| | - N Baber
- Department of Pharmacology, University of Liverpool, Liverpool, L69 3BX
| | - E Ohnhaus
- Department of Pharmacology, University of Liverpool, Liverpool, L69 3BX
| | - M Orme
- Department of Pharmacology, University of Liverpool, Liverpool, L69 3BX
| | - R G Sibeon
- Department of Pharmacology, University of Liverpool, Liverpool, L69 3BX
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14
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Abstract
ABSTRACTThe formation of highly uniform charged molten metal droplets from capillary stream breakup has recently attracted significant industrial and academic interest for applications requiring high-speed and high-precision deposition of molten metal droplets such as direct write technologies. Exploitation of the high droplet production rates intrinsic to the phenomenon of capillary stream break-up and the unparalleled uniformity of droplet sizes and speeds attained with proper applied forcing to the capillary stream make many new applications related to the manufacture of electronic packages, circuit board printing and rapid prototyping of structural components feasible. Recent research results have increased the stream stability with novel acoustic excitation methods and enable ultra-precise charged droplet deflection. Unlike other modes of droplet generation such as Drop-on-Demand, droplets can be generated at rates typically on the order of 10,000 to 20,000 droplets per second (depending on droplet diameter and stream speed) and can be electrostatically charged and deflected onto a substrate with a measured accuracy of ±12.5 µm. Droplets are charged on a drop-to-drop basis, enabling the direct writing of fine details at high speed. New results are presented in which fine detailed patterns are “printed” with individual molten metal solder balls, and issues relevant to the attainment of high quality printed artifacts are investigated.
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15
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Orme M, Collins S, Dakin H, Kelly S, Loftus J. Mixed treatment comparison and meta-regression of the efficacy and safety of prostaglandin analogues and comparators for primary open-angle glaucoma and ocular hypertension. Curr Med Res Opin 2010; 26:511-28. [PMID: 20014995 DOI: 10.1185/03007990903498786] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [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] [Indexed: 11/23/2022]
Abstract
OBJECTIVES Primary open-angle glaucoma (POAG) is a chronic condition characterised by optic neuropathy and vision loss. Elevated intraocular pressure (IOP) can damage the optic nerve and is a risk factor for glaucoma, thus treatment usually comprises topical hypotensives. This analysis aims to address methodological issues associated with the synthesis of glaucoma clinical trial data, given variations in study methodology and IOP measurement. METHODS Meta-regression was used to estimate how IOP varies over time for patients receiving treatment. Relative treatment effects were assessed using a random-effects mixed treatment comparison (MTC) in order to preserve randomisation and avoid selection bias. To produce clinically meaningful outputs, these analyses were combined to obtain the mean on-treatment IOP and the proportion of patients achieving different IOP targets at different time points. A further MTC estimated the probability of hyperaemia events. RESULTS The analysis showed that after 3 months' treatment, between 58 and 83% of patients will have a > or =20% reduction in IOP and 70-93% of patients will have an absolute IOP <20 mmHg. Latanoprost and bimatoprost were found to produce significantly lower on-treatment IOP compared with timolol (p < 0.05); the difference between latanoprost and bimatoprost was not significant. Travoprost produced a lower mean IOP compared with timolol (not significant). Latanoprost-timolol was found to produce significantly lower IOP than latanoprost alone or beta-blockers. The probability of hyperaemia-type events varied between treatments from 14.8 to 63.03%. Latanoprost had significantly lower odds of hyperaemia than travoprost, bimatoprost, travoprost-timolol, or bimatoprost-timolol. CONCLUSION This analysis suggests that latanoprost and bimatoprost produce a statistically significant reduction in IOP compared with timolol, but are associated with a higher risk of hyperaemia. Out of all the prostaglandins, latanoprost may achieve a good balance between tolerability and IOP efficacy. As with all forms of meta-analysis, the results are based on the assumption that the studies and intervention groupings are sufficiently similar to be compared.
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Affiliation(s)
- M Orme
- Abacus International, Bicester, Oxfordshire, UK
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16
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17
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18
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Orme M. The latent tuberculosis bacillus (I'll let you know if I ever meet one). Int J Tuberc Lung Dis 2001; 5:589-93. [PMID: 11469255] [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] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023] Open
Affiliation(s)
- M Orme
- Department of Microbiology, Colorado State University, Fort Collins 80525, USA.
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19
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Billups D, Hanley JG, Orme M, Attwell D, Moss SJ. GABAC receptor sensitivity is modulated by interaction with MAP1B. J Neurosci 2000; 20:8643-50. [PMID: 11102469 PMCID: PMC6773065] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2000] [Revised: 09/13/2000] [Accepted: 09/18/2000] [Indexed: 02/18/2023] Open
Abstract
GABA(C) receptors contain rho subunits and mediate feedback inhibition from retinal amacrine cells to bipolar cells. We previously identified the cytoskeletal protein MAP1B as a rho1 subunit anchoring protein. Here, we analyze the structural basis and functional significance of the MAP1B-rho1 interaction. Twelve amino acids at the C terminus of the large intracellular loop of rho1 (and also rho2) are sufficient for interaction with MAP1B. Disruption of the MAP1B-rho interaction in bipolar cells in retinal slices decreased the EC(50) of their GABA(C) receptors, doubling the receptors' current at low GABA concentrations without affecting their maximum current at high concentrations. Thus, anchoring to the cytoskeleton lowers the sensitivity of GABA(C) receptors and provides a likely site for functional modulation of GABA(C) receptor-mediated inhibition.
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MESH Headings
- Amino Acid Transport Systems, Neutral
- Animals
- Binding Sites/genetics
- Binding, Competitive/drug effects
- Binding, Competitive/genetics
- Blotting, Western
- COS Cells
- Carrier Proteins/genetics
- Carrier Proteins/metabolism
- Cells, Cultured
- Dose-Response Relationship, Drug
- GABA Antagonists/pharmacology
- Glutathione Transferase/genetics
- Glycine Agents/pharmacology
- Glycine Plasma Membrane Transport Proteins
- In Vitro Techniques
- Microtubule-Associated Proteins/genetics
- Microtubule-Associated Proteins/metabolism
- Mutagenesis, Site-Directed
- Patch-Clamp Techniques
- Peptides/genetics
- Peptides/pharmacology
- Phosphinic Acids/pharmacology
- Protein Structure, Tertiary/genetics
- Pyridines/pharmacology
- Receptors, GABA/genetics
- Receptors, GABA/metabolism
- Receptors, GABA-B
- Recombinant Fusion Proteins/genetics
- Recombinant Fusion Proteins/metabolism
- Retina/drug effects
- Retina/metabolism
- Transfection
- gamma-Aminobutyric Acid/metabolism
- gamma-Aminobutyric Acid/pharmacokinetics
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Affiliation(s)
- D Billups
- Laboratory for Molecular Cell Biology, Department of Pharmacology, University College London, London, WC1E 6BT, United Kingdom
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20
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English DJ, Wingard T, Marshall D, Orme M, Orme A. Alternative responses to child protective services: emerging issues and concerns. Child Abuse Negl 2000; 24:375-388. [PMID: 10739081 DOI: 10.1016/s0145-2134(99)00151-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
PROBLEM Increased calls to "do something" about child protective services (CPS) have resulted in proposals or new "paradigms" for services to at-risk or abusive families. These new paradigms call for the reform or revamping of CPS through the development of a community-based alternative response to some reports of child abuse and/or neglect. METHOD This article reports on outcomes for 1,263 "low" risk CPS referrals diverted to a community-based alternative response system. Data on child, family, and case characteristics and services provided are presented as well as outcomes associated with re-referral and placement post service provision. RESULTS The risk level and severity of some of the referrals to alternative response systems seems inappropriately high. The rates of re-referral were similar for families who did or did not engage in assessment services, and were highest for families where domestic violence was present. CONCLUSIONS Criteria for diversion to community alternatives to CPS must be clearly articulated and applied. Both CPS and alternative response system workers must have the skills required to address a family's recognition of the problem and degree of motivation to engage in problem resolution, and to understand their relationship to continued risk of CA/N.
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Affiliation(s)
- D J English
- Children's Administration, Office of Children's Administration Research, Washington State Department of Social and Health Services, Olympia 98504-5701, USA
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21
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Abstract
In spite of much attention to the needs of doctors in the training grades over the last decade, the current agenda for change in the NHS is very large and much needs to be done to fit these trainees for the career grade doctors of the future. This article looks briefly at some of the issues facing training grade doctors as they train for a career in the NHS in the first part of the twenty-first century.
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Affiliation(s)
- M Orme
- North West Regional Office of NHS Executive, Warrington
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22
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Orme M. Purchasing of education and delivery of healthcare. Eur J Dent Educ 1999; 3 Suppl 1:83-86. [PMID: 10865367] [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] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Affiliation(s)
- M Orme
- University of Liverpool, UK.
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23
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24
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Orme M. Education in clinical pharmacology and therapeutics in a changing world. Br J Clin Pharmacol 1997; 44:107-8. [PMID: 9278191 PMCID: PMC2042816 DOI: 10.1046/j.1365-2125.1997.00667.x] [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] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
- M Orme
- Department of Pharmacology and Therapeutics, University of Liverpool, UK
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25
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Orme M. A mathematical model of the first steps of tumour-related angiogenesis: Capillary sprout formation and secondary branching. Mathematical Medicine and Biology 1996. [DOI: 10.1093/imammb/13.2.73] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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26
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Orme M. Report for the European Journal of Clinical Pharmacology. Eur J Clin Pharmacol 1996. [DOI: 10.1007/bf00203791] [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] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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27
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Abstract
1. Medical undergraduate education is currently undergoing major changes in the UK in response to calls for the development of a core curriculum. Teaching in clinical pharmacology and therapeutics will also change to meet these demands. A postal survey was conducted to assess the current status of teaching in these subjects. 2. A questionnaire based on previous similar surveys conducted elsewhere was sent to departments or individuals in 27 medical schools in the UK; 22 (81%) replied. 3. Departmental priorities were defined as (in order): clinical research, undergraduate teaching, basic scientific research and clinical service provision. No change in these priorities in the future was foreseen by respondents. 4. Teaching methods were for the most part traditional, with the lecture as the most widely used and important technique. Specific clinical teaching was conducted by some and was considered very important by them. Teaching by problem solving was much less common. 5. Respondents were asked for free text comments; many of the remarks suggested dissatisfaction with the resources and time currently available for teaching in clinical pharmacology and therapeutics. Some expressed significant concerns that their teaching commitment would be reduced further by the development of the core curriculum.
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Affiliation(s)
- T Walley
- Department of Pharmacology and Therapeutics, University of Liverpool
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28
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Abstract
1. Changes in undergraduate medical education will involve the development of a core curriculum of material of essential knowledge and of the skills for self directed learning both as a student and a postgraduate. A survey of departments or individuals teaching clinical pharmacology and therapeutics was conducted to consider what a core curriculum in these subjects might contain and how changes in the school curriculum would affect teaching in the future. 2. A questionnaire was developed based on an American consensus statement on the core curriculum in clinical pharmacology and therapeutics. Freetext answers were encouraged. Twenty-seven medical schools were surveyed; 21 (78%) replied. 3. Items of core knowledge (as defined by the American statement) were generally rated important or very important. The most important were considered to be (in order): prescribing for the elderly, management of overdose and adverse drug reactions. All of these were widely taught (85-100%). The least important items were the efficacy and toxicity of nonprescription drugs (taught by 35%) and the process of drug development and approval (taught nevertheless by 95%). 4. Core skills were generally rated less important, and less often taught. It was felt by many respondents that these skills, as defined, were excessively detailed for British undergraduates and more appropriate for postgraduate education. 5. Core attitudes were rated as being of intermediate importance, but not widely taught as it was felt that these could best be inculcated by example rather than formal teaching. Again, many felt that these attitudes were inappropriate for a UK core curriculum.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- T Walley
- Department of Pharmacology and Therapeutics, University of Liverpool
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29
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Orme M. European Association of Clinical Pharmacology and Therapeutics. Eur J Clin Pharmacol 1993; 45:295-6. [PMID: 8299658 DOI: 10.1007/bf00265943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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30
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Abstract
Oral contraceptive steroids (OCS) are well absorbed from the gastrointestinal tract in humans. However, while the progestogens are almost completely bioavailable, ethinylestradiol (EE2) is subject to extensive first pass metabolism consisting chiefly of conjugation with sulfate in the gut wall. Both EE2 and progestogens are well absorbed in patients with an ileostomy or with diseases such as cystic fibrosis or Crohn's disease. However in patients with celiac disease (gluten-sensitive enteropathy) the gut wall is less able to conjugate EE2 and thus its bioavailability is increased. The bioavailability returns to control values as the disease is improved following gluten withdrawal. Other drugs that are conjugated with sulfate, such as vitamin C and paracetamol, compete for available sulfate when coadministered with OCS leading to high plasma levels of EE2. Enzyme-inducing agents such as rifampicin, phenobarbitone, phenytoin and carbamazepine reduce blood levels of the OCS leading to contraceptive failure. In the case of anticonvulsants (but not rifampicin) this can be easily overcome by increasing the dose of OCS used. Broad-spectrum antibiotics are reported to cause failure of contraception by interfering with the enterohepatic circulation of EE2 but limited systematic studies show no evidence of such an interaction. Nevertheless practitioners are advised to recommend the use of alternative contraceptive precautions for women receiving broad-spectrum antibiotics concurrently with their OCS preparation.
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Affiliation(s)
- M Orme
- Department of Pharmacology and Therapeutics, University of Liverpool, UK
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31
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33
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Abstract
In view of the considerable debate concerning the possible failure of contraception in women taking broad spectrum antibiotics, we have examined a group of 12 women aged 22-32 in a controlled study. Each woman had been on long-term therapy with oral contraceptive steroids (OCS) containing ethynylestradiol (EE2) and levonorgestrel (Ng) for at least 6 months and all were in good general health. Blood samples were taken about 11.0 hours after dosing with their OCS on days 5, 6, 7 and 8 of their contraceptive cycle, for measurement of EE2, Ng, FSH and LH by radioimmunoassay. In addition blood samples were taken on days 19, 20 and 21 of the contraceptive cycle for assay of progesterone concentrations in plasma. The study was repeated in the next cycle of use of their OCS during which they took temafloxacin, a broad spectrum quinolone antibiotic in a dose of 600 mg twice daily for 7 days starting on day 1 of the cycle. All women completed the study satisfactorily as judged by diary cards, tablet counts and plasma temafloxacin concentrations. In the early part of the study some nausea and headaches were seen due to taking temafloxacin on an empty stomach but these effects were not seen when the antibiotic was later given with food. There was no evidence of any interaction between temafloxacin and the OCS. The plasma concentration of EE2 was 61.4 +/- 21.1 pg/ml in the control cycle and 68.5 +/- 26.6 pg/ml in the temafloxacin cycle.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- D J Back
- Department of Pharmacology and Therapeutics, Liverpool University, England
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34
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Abstract
Single doses of ethynylestradiol (30 micrograms) were given alone and in combination with either gestodene (75 micrograms) or desogestrel (150 micrograms) to 10 healthy female volunteers. The doses of steroids were given both orally and by i.v. infusion over 5-7 minutes. Blood samples were taken at regular intervals over 24 hours. The area under the plasma concentration versus time curve (AUC) for oral EE2 alone was 867 +/- 338 pg/ml x h, for oral EE2 in the presence of gestodene it was 795 +/- 206 pg/ml x h and for oral EE2 in the presence of desogestrel it was 614 +/- 132 pg/ml x h. With either gestodene or desogestrel present, the AUC of EE2 was not significantly different from that found when EE2 was given alone. In addition, there was no significant difference between EE2 + gestodene and EE2 + desogestrel. Comparing the relative oral and iv doses, the bioavailability of EE2 (alone) was 59.0 +/- 13% (n = 6), for EE2 plus gestodene it was 62.1 +/- 10% and for EE2 in the presence of desogestrel it was 62.1 +/- 4.4%. The clearance of EE2 (alone) was 19.9 +/- 5.5 l/h and in the presence of gestodene it was 19.4 +/- 9.6 l/h. The clearance of EE2 in the presence of desogestrel appeared slightly greater at 27.7 +/- 8.9 l/h but none of these clearance values were significantly different from each other. The urinary excretion of 6-beta-hydroxy cortisol was similar after all 6 doses of EE2. These data strongly suggest that following single dose administration, neither gestodene nor desogestrel have any inhibitory effect on the metabolism of EE2 or alter its kinetics to any clinically significant extent.
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Affiliation(s)
- M Orme
- Department of Pharmacology and Therapeutics, University of Liverpool, U.K
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35
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Awadzi K, Schulz-Key H, Edwards G, Breckenridge A, Orme M, Gilles H. The chemotherapy of onchocerciasis. XIV. Studies with mebendazole citrate. Trop Med Parasitol 1990; 41:383-6. [PMID: 2075382] [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] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Twenty patients from an area of vector control in the savannah region of northern Ghana with moderate to heavy infection with Onchocerca volvulus were randomised to receive two priming doses of levamisole 150 mg on two occasions followed either by mebendazole-citrate (500 mg) given daily or twice daily for 14 days. The two dose levels produced a similar effect on skin microfilariae (80-88% reduction) with a very mild systemic clinical reaction: low levels were maintained over 42 weeks. Both regimes were embryotoxic for O. volvulus; an effect which was transient in the single dose group but persisted for more than three months in the twice daily dose group. Mebendazole-citrate appeared to be absorbed more predictably than has been observed previously for mebendazole. The degree of systemic exposure as determined by measurement of AUC (0-24 h) was 2.5 times greater for the twice daily dose as compared to the single dose and this fact was reflected in the efficacy of the two dose regimes against the adult female worms at three months.
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Affiliation(s)
- K Awadzi
- Onchocerciasis Chemotherapeutic Research Centre, Hohoe Hospital, Ghana
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36
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Abstract
Patients taking oral contraceptive steroids (OCS) are known to suffer contraceptive failure while taking anticonvulsants such as phenobarbitone, phenytoin and carbamazepine. We have studied the single dose kinetics of ethinyloestradiol (EE2); 50 micrograms, and levonorgestrel (Ng); 250 micrograms in groups of women before and 8-12 weeks after starting therapy with phenytoin (n = 6) and carbamazepine (n = 4). The area under the plasma concentration-time curve (AUC) was measured over a 24 h period for each steroid and significant reductions were seen with both anticonvulsants. Phenytoin reduced the AUC for EE2 from 806 +/- 50 (mean +/- s.d.) to 411 +/- 132 pg ml-1 h (P less than 0.05) and for Ng from 33.6 +/- 7.8 to 19.5 +/- 3.8 ng ml-1 h (P less than 0.05). Carbamazepine reduced the AUC for EE2 from 1163 +/- 466 to 672 +/- 211 pg ml-1 h (P less than 0.05) and for Ng from 22.9 +/- 9.4 to 13.8 +/- 5.8 ng ml-1 h (P less than 0.05). These changes are compatible with the known enzyme inducing effects of phenytoin and carbamazepine. Patients taking these anticonvulsants will need to be given increased doses of OCS (equivalent to 50-100 micrograms EE2 daily) to achieve adequate contraceptive effects.
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Affiliation(s)
- P Crawford
- Regional Neurosciences Centre, Walton Hospital, Liverpool
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Orme M, Back D, Chadwick D, Crawford P, Martin C, Tjia J. The interaction of phenytoin and carbamazepine with oral contraceptive steroids. Eur J Pharmacol 1990. [DOI: 10.1016/0014-2999(90)92884-l] [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] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Orme M, Muntz EP. The manipulation of capillary stream breakup using amplitude‐modulated disturbances: A pictorial and quantitative representation. ACTA ACUST UNITED AC 1990. [DOI: 10.1063/1.857612] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Dukes G, Lunde PK, Melander A, Orme M, Sjöqvist F, Tognoni G, Wesseling H. Clinical pharmacology and primary health care in Europe--a gap to bridge. The WHO Working Group on Clinical Pharmacology in Europe. Eur J Clin Pharmacol 1990; 38:315-8. [PMID: 2344854 DOI: 10.1007/bf00315567] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A group of senior European clinical pharmacologists presents a position paper on the possible role of clinical pharmacology (CP) in bridging the gap between academic drug evaluation and drug prescribing in primary health care (PHC). As a teaching, research and service discipline CP has developed in academic or other major hospitals while 80% of all drugs are prescribed in PHC. CP therefore has to extend its functions to PHC. Examples are given of how joint ventures between clinical pharmacologists and PHC physicians may improve the quality of drug research and increase the clinical relevance of drug information in PHC, thereby contributing towards rational drug utilization in PHC. Colleagues in PHC are invited to respond to this call for collaboration.
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Affiliation(s)
- G Dukes
- Department of Clinical Pharmacology, Huddinge University Hospital, Sweden
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41
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Abstract
Hypertensive patients prescribed captopril while attending a hospital hypertension clinic were studied, to identify the benefits of the drug, its adverse effects and factors predisposing to them. One hundred and eighty two patients were followed for a mean of 18 months; 24 received captopril alone, and 158 combinations of captopril and other antihypertensive drugs, especially loop diuretics (91/158), or thiazide diuretics (57/158), or other vasodilators (57/158). The mean final dose of captopril was 67 mg/day. Blood pressure (BP) was effectively controlled in 73% of patients (mean fall in systolic BP 29 mmHg, CI 24 to 34, P less than or equal to 0.001; mean fall in diastolic BP 18 mmHg, CI 16 to 20, P less than or equal to 0.001). Blood urea and creatinine rose slightly in all patients (urea by 0.9 mmol/l [13%], CI 0.5-1.3, P less than or equal to 0.001 and creatinine by 9 mumols/l [8%], CI 4-13, P less than or equal to 0.001). Twenty six patients were withdrawn from captopril therapy: 6 because of poor control of their blood pressure, two because it was no longer necessary and 12 (7.7%) because of extrarenal adverse effects--10 for rashes, one each for gastric upset and impotence. Captopril was withdrawn in a further 6 patients, because of deteriorating renal function. Factors discriminating those at risk of renal dysfunction were high doses of captopril, concomitant high dose diuretic therapy and undiagnosed renovascular disease.
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Affiliation(s)
- T Walley
- Department of Pharmacology and Therapeutics, University of Liverpool, UK
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42
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Orme M, Sjoqvist F, Bircher J, Bogaert M, Dukes MN, Eichelbaum M, Gram LF, Huller H, Lunde I, Tognoni G. The teaching and organisation of clinical pharmacology in European medical schools (W.H.O. Working Group on Clinical Pharmacology). Eur J Clin Pharmacol 1990; 38:101-5. [PMID: 2338105 DOI: 10.1007/bf00265965] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A World Health Organisation (European Regional Office) working party has been established to review the progress of clinical pharmacology in European countries. As part of this review a questionnaire on the teaching of clinical pharmacology was sent to the Deans of all 350 medical schools in the region. Very few replies were received from U.S.S.R., Greece and Portugal and these countries' returns were not analysed further. The overall compliance rate (excluding these countries) was 82% with a figure of 84% from Western Europe and 74% from Eastern Europe. An average time of 96 h (range 0-320) was devoted to pharmacology teaching in the medical curriculum in Western Europe with 124 (0-240) h in Eastern Europe. In contrast 28 h (0-210) was devoted to clinical pharmacology teaching in Western Europe and 27 h (0-90) in Eastern Europe. On average in Western Europe each medical school had 2 individuals trained in clinical pharmacology with 1.3 posts in the subject and the figures for Eastern Europe were 2.3 and 1.1 respectively. However these figures hide a wide variance in the teaching of clinical pharmacology. Particularly in Western Europe there are a number of medical schools in Italy, Spain and the Federal Republic of Germany (FRG) where clinical pharmacology is not taught and there is a dearth of individuals trained in the subject. Every effort to encourage clinical pharmacology and its teaching should be made, particularly in these countries.
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Affiliation(s)
- M Orme
- Department of Pharmacology and Therapeutics, New Medical School, Liverpool, UK
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Abstract
A recent survey conducted under the auspices of the WHO shows that on average in European medical schools only 28 hours of teaching are devoted to clinical pharmacology, whereas over 100 hours are devoted to pharmacology. In many schools no clinical pharmacology is taught, and there is a lack of trained individuals and posts in clinical pharmacology. In North America there is a similar lack of clinical pharmacology teaching.
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Abstract
1. A survey has been conducted amongst 459 members of the Clinical Section of the British Pharmacological Society to ascertain facts about the administration of drugs to healthy volunteers over the period October 1986 to September 1987. 2. A response rate of 87.1% was obtained with 114 individuals being involved in healthy volunteer studies. After exclusion of duplicate returns from the same unit 98 questionnaires were analysed. 3. Drugs were given in the year under review to 8163 healthy volunteers for research purposes. Minor adverse effects were reported in 565 (6.9%), moderately severe adverse effects in 45 (0.55%) and potentially life threatening adverse effects in 3 (0.04%). No lasting sequelae were reported. 4. Drugs were given to 7607 healthy student volunteers as part of class teaching practicals. Minor adverse effects were reported in 6.0% of student exposures but no moderately severe or life threatening adverse effects were reported. 5. The risk involved in healthy volunteer studies is very small indeed but some suggestions are made as a result of the questionnaire to improve further the safety of these studies.
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Affiliation(s)
- M Orme
- Department of Pharmacology and Therapeutics, University of Liverpool
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Orme M, Awadzi K, Edwards G, Breckenridge AM. Drug treatment of onchocerciasis. Q J Med 1988; 66:195-201. [PMID: 3059388] [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] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- M Orme
- Department of the Pharmacology and Therapeutics, Liverpool
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Abstract
A method is described for the simultaneous determination of amodiaquine (AQ) and desethylamodiaquine (AQm) in plasma, urine, whole blood and packed red cells. After oral administration of AQ (600 mg) to seven healthy subjects, absorption of AQ was rapid, reaching peak concentrations in plasma, whole blood, and packed cells at 0.5 +/- 0.03, 0.5 +/- 0.1 and 0.5 +/- 0.1 h respectively (mean +/- s.e. mean). The apparent terminal half-life of AQ was 5.2 +/- 1.7 h. AQ was detectable for no longer than 8 h. AQ underwent rapid conversion to AQm, which reached peak concentrations in plasma, whole blood and packed cells at 3.4 +/- 0.8, 2.3 +/- 0.5 and 3.6 +/- 1.1 h respectively. AQm was still detectable at the end of the sampling period (96 h) when the plasma concentration was 29 +/- 8 ng ml-1. The area under the plasma concentration vs time curve (AUC(0, infinity] for AQ was 154 +/- 38 ng ml-1 h; the corresponding value for AQm was 8037 +/- 1383 ng ml-1 h. There were no significant differences in the values for AUC of AQ between plasma, whole blood, or packed cells. The whole blood to plasma concentration ratio for AQm was 3.1 +/- 0.2, and the AUC (0.24) for AQm in whole blood (6811 +/- 752 ng ml-1 h) was significantly greater than that in plasma (2304 +/- 371 ng ml-1 h), P less than 0.001. The recovery of AQm from urine collected 0-24 h was 6.8 +/- 0.8 mg (n = 6).(ABSTRACT TRUNCATED AT 250 WORDS)
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50
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