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Trials record why each screened patient did not join, but that data is never shared. Publishing it would show which rules block the most people and which are pointless.
Sponsors report, per trial, the number screened, the number enrolled and screen-failure reasons in a standard coded vocabulary (specific criterion, patient declined, logistics) to the trial registry at completion. Aggregate analysis identifies criteria that exclude many patients across trials with no safety justification and informs eligibility reform.
Shares EU Clinical Trials Register / CTIS, ClinicalTrials.gov, Trials enrol too few, too slowly.
Shares EU Clinical Trials Register / CTIS, ClinicalTrials.gov, Trials enrol too few, too slowly.
Shares EU Clinical Trials Register / CTIS, Trials enrol too few, too slowly.
Shares EU Clinical Trials Register / CTIS, ClinicalTrials.gov.
Shares EU Clinical Trials Register / CTIS, ClinicalTrials.gov, Trials enrol too few, too slowly.
Shares EU Clinical Trials Register / CTIS, ClinicalTrials.gov.
Shares Trials enrol too few, too slowly, Trial design, endpoints and cost.
Shares EU Clinical Trials Register / CTIS, ClinicalTrials.gov.