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Accrual Patterns for Clinical Studies Involving Quantitative Imaging: Results of an NCI Quantitative Imaging Network (QIN) Survey
Journal article   Open access   Peer reviewed

Accrual Patterns for Clinical Studies Involving Quantitative Imaging: Results of an NCI Quantitative Imaging Network (QIN) Survey

Brenda F. Kurland, Sameer Aggarwal, Thomas E. Yankeelov, Elizabeth R. Gerstner, James M. Mountz, Hannah M. Linden, Ella F. Jones, Kellie L. Bodeker and John M. Buatti
Tomography (Ann Arbor), Vol.2(4), pp.276-282
12/01/2016
DOI: 10.18383/j.tom.2016.00169
PMCID: PMC5260812
PMID: 28127586
url
https://doi.org/10.18383/j.tom.2016.00169View
Published (Version of record) Open Access

Abstract

Patient accrual is essential for the success of oncology clinical trials. Recruitment for trials involving the development of quantitative imaging biomarkers may face different challenges than treatment trials. This study surveyed investigators and study personnel for evaluating accrual performance and perceived barriers to accrual and for soliciting solutions to these accrual challenges that are specific to quantitative imaging-based trials. Responses for 25 prospective studies were received from 12 sites. The median percent annual accrual attained was 94.5% (range, 3%-350%). The most commonly selected barrier to recruitment (n = 11/ 25, 44%) was that "patients decline participation, "followed by "too few eligible patients" (n = 10/ 25, 40%). In a forced choice for the single greatest recruitment challenge, "too few eligible patients" was the most common response (n = 8/ 25, 32%). Quantitative analysis and qualitative responses suggested that interactions among institutional, physician, and patient factors contributed to accrual success and challenges. Multidisciplinary collaboration in trial design and execution is essential to accrual success, with attention paid to ensuring and communicating potential trial benefits to enrolled and future patients.
Life Sciences & Biomedicine Radiology, Nuclear Medicine & Medical Imaging Science & Technology

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