[HTML][HTML] Factors associated with clinical trials that fail and opportunities for improving the likelihood of success: a review

DB Fogel - Contemporary clinical trials communications, 2018‏ - Elsevier
Clinical trials are time consuming, expensive, and often burdensome on patients. Clinical
trials can fail for many reasons. This survey reviews many of these reasons and offers …

Impact of patient and public involvement on enrolment and retention in clinical trials: systematic review and meta-analysis

JC Crocker, I Ricci-Cabello, A Parker, JA Hirst, A Chant… - bmj, 2018‏ - bmj.com
Objective To investigate the impact of patient and public involvement (PPI) on rates of
enrolment and retention in clinical trials and explore how this varies with the context and …

[HTML][HTML] Robot assisted training for the upper limb after stroke (RATULS): a multicentre randomised controlled trial

H Rodgers, H Bosomworth, HI Krebs, F van Wijck… - The Lancet, 2019‏ - thelancet.com
Background Loss of arm function is a common problem after stroke. Robot-assisted training
might improve arm function and activities of daily living. We compared the clinical …

Determining sample size for progression criteria for pragmatic pilot RCTs: the hypothesis test strikes back!

M Lewis, K Bromley, CJ Sutton, G McCray… - Pilot and feasibility …, 2021‏ - Springer
Background The current CONSORT guidelines for reporting pilot trials do not recommend
hypothesis testing of clinical outcomes on the basis that a pilot trial is under-powered to …

SPIRIT 2013 explanation and elaboration: guidance for protocols of clinical trials

AW Chan, JM Tetzlaff, PC Gøtzsche, DG Altman… - Bmj, 2013‏ - bmj.com
High quality protocols facilitate proper conduct, reporting, and external review of clinical
trials. However, the completeness of trial protocols is often inadequate. To help improve the …

Recruitment and retention of participants in randomised controlled trials: a review of trials funded and published by the United Kingdom Health Technology …

SJ Walters, IB dos Anjos Henriques-Cadby… - BMJ open, 2017‏ - bmjopen.bmj.com
Background Substantial amounts of public funds are invested in health research worldwide.
Publicly funded randomised controlled trials (RCTs) often recruit participants at a slower …

The effect of fall prevention exercise programmes on fall induced injuries in community dwelling older adults: systematic review and meta-analysis of randomised …

F El-Khoury, B Cassou, MA Charles, P Dargent-Molina - BMj, 2013‏ - bmj.com
Objective To determine whether, and to what extent, fall prevention exercise interventions for
older community dwelling people are effective in preventing different types of fall related …

Why do patients take part in research? An overview of systematic reviews of psychosocial barriers and facilitators

R Sheridan, J Martin-Kerry, J Hudson, A Parker… - Trials, 2020‏ - Springer
Background Understanding why people take part in health research is critical to improve
research efficiency and generalisability. The aim of this overview of systematic reviews was …

[HTML][HTML] Clinical trials recruitment planning: a proposed framework from the clinical trials transformation initiative

GD Huang, J Bull, KJ McKee, E Mahon, B Harper… - Contemporary clinical …, 2018‏ - Elsevier
Patient recruitment is widely recognized as a key determinant of success for clinical trials.
Yet a substantial number of trials fail to reach recruitment goals—a situation that has …

Sample size requirements to estimate key design parameters from external pilot randomised controlled trials: a simulation study

MD Teare, M Dimairo, N Shephard, A Hayman… - Trials, 2014‏ - Springer
Background External pilot or feasibility studies can be used to estimate key unknown
parameters to inform the design of the definitive randomised controlled trial (RCT). However …