Related Experiment Video
Updated: May 21, 2026

Microfluidic Co-Culture Models for Dissecting the Immune Response in in vitro Tumor Microenvironments
Published on: April 30, 2021
How to develop treatments for biologically heterogeneous "diseases"
1Biometric Research Branch, Division of Cancer Treatment & Diagnosis, National Cancer Institute, Bethesda, Maryland, USA. rsimon@nih.gov
Abstract:
The standard paradigm for the design of phase III clinical trials is not suitable for evaluation of molecularly targeted treatments in biologically heterogeneous groups of patients. Here, we comment on alternative clinical trial designs and propose a prospective discovery/evaluation framework for using tumor genomics in the design of phase III trials.
Insights
Standard phase III clinical trial designs fail for targeted cancer therapies in diverse patient groups. A new framework using tumor genomics can improve the design of future phase III trials for molecularly targeted treatments.
Area of Science:
- Oncology
- Clinical Trial Design
- Genomics
Background:
- The current phase III clinical trial paradigm is inadequate for evaluating molecularly targeted treatments.
- Patient populations in oncology are often biologically heterogeneous, complicating standard trial designs.
Purpose of the Study:
- To address the limitations of standard phase III trial designs for molecularly targeted therapies.
- To propose an alternative framework for phase III trials that incorporates tumor genomics.
Main Methods:
- Review of existing phase III clinical trial designs.
- Proposal of a prospective discovery/evaluation framework.
Main Results:
- The standard phase III design is unsuitable for heterogeneous patient groups receiving targeted treatments.
- A novel framework is proposed to integrate tumor genomics into phase III trial design.
Conclusions:
- Alternative clinical trial designs are necessary for molecularly targeted treatments.
- Integrating tumor genomics into a prospective framework can optimize phase III trial design for precision oncology.
Related Concept Videos
Pharmacogenomics: Identification of New Drug Targets
Bioequivalence of Drugs: Drugs with Multiple Indications
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu
Combination Therapies and Personalized Medicine
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
Combination Therapies and Personalized Medicine
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
Cancer
