Recruitment to a clinical trial from the databases of specialists in Parkinson’s disease


Ashburn, Ann, Pickering, Ruth M., Fazakarley, Louise, Ballinger, Claire, McLellan, Lindsay D. and Fitton, Carolyn (2007) Recruitment to a clinical trial from the databases of specialists in Parkinson’s disease. Parkinsonism & Related Disorders, 13, (1), 35-39. (doi:10.1016/j.parkreldis.2006.06.004). (PMID:16928464).

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Description/Abstract

Background: Many clinical trials involving elderly people living at home suffer from low recruitment. We report our experience of recruiting people with Parkinson's disease (PD) from specialist clinical databases, to a randomised controlled trial of personalised exercise.

Methods: We aimed to recruit 200 repeat fallers with PD. Subjects were recruited through the clinical registers of specialists in PD in two NHS trusts. They had to have a confirmed diagnosis of PD, be independently mobile, live in the community, be a repeat faller, and were screened for cognitive impairment.

Results: Out of 1107 patients on the registers, 457 did not meet the eligibility criteria for the trial. A further 151 were excluded for other reasons. Four hundred and ninety-nine were approached to have a home screening visit: 405 replied and 305 agreed to be screened for the trial. Of those screened, 126 were non-repeat fallers and 22 failed other eligibility criteria. Out of the remaining 157 patients, 18 (11%) decided not to participate in the trial which left 139 recruited to the trial. Seven more were recruited from a second screen of previous non-repeat fallers. In total 146 patients were recruited: 142 to the main trial and four to the initial pilot phase.

Conclusion: The percentage of patients who participated in the main trial was only 13% (95% confidence interval 11% to 15%) of those on specialists’ registers, considerably less than estimated, although the proportion of fallers and repeat fallers was similar to that previously reported.

Item Type: Article
ISSNs: 1353-8020 (print)
Keywords: parkinson's disease, recruitment, clinical trials, fallers, clinical database
Subjects: H Social Sciences > HT Communities. Classes. Races
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Z Bibliography. Library Science. Information Resources > ZA Information resources > ZA4450 Databases
Divisions: University Structure - Pre August 2011 > Superseded (SOHPRS)
University Structure - Pre August 2011 > School of Medicine
Faculty of Medicine > Primary Care and Population Sciences
ePrint ID: 47930
Date Deposited: 10 Aug 2007
Last Modified: 27 Mar 2014 18:31
Contact Email Address: ann@soton.ac.uk
URI: http://eprints.soton.ac.uk/id/eprint/47930

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