Healthcare systems data in the context of clinical trials - A comparison of cardiovascular data from a clinical trial dataset with routinely collected data
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Authors
Macnair, A.Nankivell, M.
Murray, M. L.
Rosen, S. D.
Appleyard, S.
Sydes, M. R.
Forcat, S.
Welland, A.
Clarke, Noel W
Mangar, S.
Kynaston, H.
Kockelbergh, R.
Al-Hasso, A.
Deighan, J.
Marshall, J.
Parmar, M.
Langley, R. E.
Gilbert, D. C.
Affiliation
MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, 90 High Holborn, London WC1V 6LJ, UKIssue Date
2023
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Background: Routinely-collected healthcare systems data (HSD) are proposed to improve the efficiency of clinical trials. A comparison was undertaken between cardiovascular (CVS) data from a clinical trial database with two HSD resources. Methods: Protocol-defined and clinically reviewed CVS events (heart failure (HF), acute coronary syndrome (ACS), thromboembolic stroke, venous and arterial thromboembolism) were identified within the trial data. Data (using pre-specified codes) was obtained from NHS Hospital Episode Statistics (HES) and National Institute for Cardiovascular Outcomes Research (NICOR) HF and myocardial ischaemia audits for trial participants recruited in England between 2010 and 2018 who had provided consent. The primary comparison was trial data versus HES inpatient (APC) main diagnosis (Box-1). Correlations are presented with descriptive statistics and Venn diagrams. Reasons for non-correlation were explored. Results: From 1200 eligible participants, 71 protocol-defined clinically reviewed CVS events were recorded in the trial database. 45 resulted in a hospital admission and therefore could have been recorded by either HES APC/ NICOR. Of these, 27/45 (60%) were recorded by HES inpatient (Box-1) with an additional 30 potential events also identified. HF and ACS were potentially recorded in all 3 datasets; trial data recorded 18, HES APC 29 and NICOR 24 events respectively. 12/18 (67%) of the HF/ACS events in the trial dataset were recorded by NICOR. Conclusion: Concordance between datasets was lower than anticipated and the HSD used could not straightforwardly replace current trial practices, nor directly identify protocol-defined CVS events. Further work is required to improve the quality of HSD and consider event definitions when designing clinical trials incorporating HSD.Citation
Macnair A, Nankivell M, Murray ML, Rosen SD, Appleyard S, Sydes MR, et al. Healthcare systems data in the context of clinical trials - A comparison of cardiovascular data from a clinical trial dataset with routinely collected data. Contemporary clinical trials. 2023 Mar 16;128:107162. PubMed PMID: 36933612. Epub 2023/03/19. eng.Journal
Contemporary Clinical TrialsDOI
10.1016/j.cct.2023.107162PubMed ID
36933612Additional Links
https://dx.doi.org/10.1016/j.cct.2023.107162Type
ArticleLanguage
enae974a485f413a2113503eed53cd6c53
10.1016/j.cct.2023.107162
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