How have cancer clinical trial eligibility criteria evolved over time?

Anil Yaman, Shreya Chakrabarti, Anando Sen, Chunhua Weng

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    Abstract

    Knowledge reuse of cancer trial designs may benefit from a temporal understanding of the evolution of the target populations of cancer studies over time. Therefore, we conducted a retrospective analysis of the trends of cancer trial eligibility criteria between 1999 and 2014. The yearly distributions of eligibility concepts for chemicals and drugs, procedures, observations, and medical conditions extracted from free-text eligibility criteria of 32,000 clinical trials for 89 cancer types were analyzed. We identified the concepts that trend upwards or downwards in all or selected cancer types, and the concepts that show anomalous trends for some cancers. Later, concept trends were studied in a disease-specific manner and illustrated for breast cancer. Criteria trends observed in this study are also validated and interpreted using evidence from the existing medical literature. This study contributes a method for concept trend analysis and original knowledge of the trends in cancer clinical trial eligibility criteria.

    Original languageEnglish
    Pages (from-to)269-278
    Number of pages10
    JournalAMIA Joint Summits on Translational Science proceedings
    Volume2016
    Publication statusPublished - 2016

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