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  1. A study in contrasts : Eligibility criteria in a twenty-year sample of NSABP and POG clinical trials.

    Article - En anglais

    We studied changes in eligibility criteria-the largest impediment to patient accrual-in two samples of clinical trials.

    Trials from the NSABP (National Surgical Adjuvant Breast and Bowel Program) and POG (Pediatric Oncology Group) were analyzed.

    After eliminating duplications, the criteria in each protocol were enumerated and classified according to a novel schema.

    NSABP trials contained significantly more criteria than POG trials, and added precision criteria (making study populations homogeneous) at a faster rate than POG studies.

    The difference between NSABP studies (explanatory trials) and POG studies (pragmatic trials) suggest that large numbers of eligibility criteria are not necessary for quality studies.

    We recommend that :

    • (1) the inclusion/exclusion criteria distinction be abandoned ;

    • (2) eligibility criteria be explicitly justified ;

    • (3) the need for each criterion be assessed when new trials are planned ;

    • (4) criteria in phase III trials restricting patient accrual be minimized ;

    • and (5) further research be done to assess the impact of criteria on generalizability.

    Mots-clés Pascal : Essai clinique, Tumeur maligne, Traitement, Critère performance, Programme thérapeutique, Homme

    Mots-clés Pascal anglais : Clinical trial, Malignant tumor, Treatment, Performance requirement, Therapeutic schedule, Human

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 98-0194472

    Code Inist : 002B30A01C. Création : 11/09/1998.