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Clinical trials for predictive medicine

Richard Simon1

  • 1Biometric Research Branch, National Cancer Institute, 9000 Rockville Pike, MSC7434, Bethesda, MD 20892-7434, U.S.A. rsimon@nih.gov

Insights

Biotechnology and genomics reveal disease heterogeneity, necessitating new clinical trial designs. A prediction-based approach ensures reliable identification of patients who will benefit from targeted therapies.

Area of Science:

  • Biotechnology and Genomics
  • Clinical Trial Design
  • Precision Medicine

Background:

  • Disease heterogeneity is evident clinically, now supported by biological insights from biotechnology and genomics.
  • Molecular characterization of diseases offers opportunities for novel treatments but challenges clinical trial design.
  • Current oncology practices are unsustainable, with broad treatments benefiting few patients, especially with expensive targeted therapies.

Purpose of the Study:

  • To review prospective designs for developing new therapeutics and predictive biomarkers.
  • To address the need for new paradigms in randomized clinical trial design and analysis for predictive medicine.
  • To outline a prediction-based approach for analyzing clinical trials.

Main Methods:

  • Review of prospective clinical trial designs for therapeutics and biomarkers.
  • Exploration of designs ranging from single-biomarker development to genome-wide classifier discovery and validation.
  • Development of a prediction-based analytical approach for randomized clinical trials.

Main Results:

  • Proposed designs accommodate a spectrum of biomarker development, from single candidates to complex genomic classifiers.
  • The prediction-based analysis preserves Type I error rates.
  • The approach provides internally validated methods for predicting patient response to new regimens.

Conclusions:

  • Advances in biotechnology and genomics necessitate adaptive clinical trial designs.
  • A prediction-based analytical framework is crucial for effective personalized medicine.
  • New trial designs and analysis methods ensure reliable identification of patient subgroups likely to benefit from novel treatments.

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