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Recruiting general practice patients for large clinical trials: lessons from the Aspirin in Reducing Events in the Elderly (ASPREE) study
Citation
Lockery, JE and Collyer, TA and Abhayaratna, WP and Fitzgerald, SM and McNeil, JJ and Nelson, MR and Orchard, SG and Reid, C and Stocks, NP and Trevaks, RE and Woods, R, Recruiting general practice patients for large clinical trials: lessons from the Aspirin in Reducing Events in the Elderly (ASPREE) study, Medical Journal of Australia, 210, (4) pp. 168-173. ISSN 0025-729X (2019) [Refereed Article]
Copyright Statement
Copyright 2018 AMPCo Pty Ltd.
Abstract
Design: Enrolment of GPs; identification of potential participants in general practice databases; screening of participants.
Setting, Participants: Selected general practices across southeast Australia (Tasmania, Victoria, Australian Capital Territory, New South Wales, South Australia).
Major Outcomes: Numbers of patients per GP screened and randomised to participation; geographic and demographic factors that influenced screening and randomising of patients.
Results: 2717 of 5833 GPs approached (47%) enrolled to recruit patients for the study; 2053 (76%) recruited at least one randomised participant. The highest randomised participant rate per GP was for Tasmania (median, 5; IQR, 1-11), driven by the high rate of participant inclusion at phone screening. GPs in inner regional (adjusted odds ratio [aOR], 1.45; 95% CI, 1.14-1.84) and outer regional areas (aOR, 1.86; 95% CI, 1.19-2.88) were more likely than GPs in major cities to recruit at least one randomised participant. GPs in areas with a high proportion of people aged 70 years or more were more likely to randomise at least one participant (per percentage point increase: aOR, 1.10; 95% CI, 1.05-1.15). The number of randomised patients declined with time from GP enrolment to first randomisation.
Conclusion: General practice can be a rich environment for research when barriers to recruitment are overcome. Including regional GPs and focusing efforts in areas with the highest proportions of potentially eligible participants improves recruitment. The success of ASPREE attests to the clinical importance of its research question for Australian GPs.
Item Details
| Item Type: | Refereed Article |
|---|---|
| Keywords: | general practice, randomized controlled trial as topic, research design |
| Research Division: | Medical and Health Sciences |
| Research Group: | Cardiorespiratory Medicine and Haematology |
| Research Field: | Cardiology (incl. Cardiovascular Diseases) |
| Objective Division: | Health |
| Objective Group: | Clinical Health (Organs, Diseases and Abnormal Conditions) |
| Objective Field: | Cardiovascular System and Diseases |
| UTAS Author: | Nelson, MR (Professor Mark Nelson) |
| ID Code: | 134046 |
| Year Published: | 2019 |
| Web of Science® Times Cited: | 1 |
| Deposited By: | Menzies Institute for Medical Research |
| Deposited On: | 2019-07-23 |
| Last Modified: | 2019-08-05 |
| Downloads: | 0 |
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