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An overview of precision oncology basket and umbrella trials for clinicians
Jay J H Park1, Grace Hsu2, Ellie G Siden1
1Experimental Medicine, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
Abstract:
With advancements in biomarkers and momentum in precision medicine, biomarker-guided trials such as basket trials and umbrella trials have been developed under the master protocol framework. A master protocol refers to a single, overarching design developed to evaluate multiple hypotheses with the general goal of improving the efficiency of trial evaluation. One type of master protocol is the basket trial, in which a targeted therapy is evaluated for multiple diseases that share common molecular alterations or risk factors that may help predict whether the patients will respond to the given therapy. Another variant of a master protocol is the umbrella trial, in which multiple targeted therapies are evaluated for a single disease that is stratified into multiple subgroups based on different molecular or other predictive risk factors. Both designs follow the core principle of precision medicine-to tailor intervention strategies based on the patient's risk factor(s) that can help predict whether they will respond to a specific treatment. There have been increasing numbers of basket and umbrella trials, but they are still poorly understood. This article reviews common characteristics of basket and umbrella trials, key trials and recent US Food and Drug Administration approvals for precision oncology, and important considerations for clinical readers when critically evaluating future publications on basket trials and umbrella trials and for researchers when designing these clinical trials.
Insights
Master protocols, including basket and umbrella trials, improve clinical trial efficiency for precision medicine. These biomarker-guided studies evaluate targeted therapies across diseases or within a single disease, tailoring treatments to patient risk factors.
Area of Science:
- Oncology
- Clinical Trial Design
- Biomarker Research
Background:
- Advancements in biomarkers and precision medicine have led to the development of master protocols.
- Master protocols, such as basket and umbrella trials, aim to enhance the efficiency of evaluating multiple hypotheses.
- These trials are crucial for tailoring interventions based on predictive patient risk factors.
Purpose of the Study:
- To review the common characteristics of basket and umbrella trials.
- To highlight key trials and recent FDA approvals in precision oncology.
- To provide considerations for evaluating and designing these master protocol trials.
Main Methods:
- Review of existing literature and clinical trial designs.
- Analysis of characteristics differentiating basket and umbrella trials.
- Examination of recent US Food and Drug Administration (FDA) approvals in precision oncology.
Main Results:
- Basket trials evaluate one targeted therapy across multiple diseases with shared molecular alterations.
- Umbrella trials assess multiple targeted therapies within one disease, stratified by molecular subgroups.
- Both designs embody precision medicine principles by matching treatments to patient-specific factors.
Conclusions:
- Basket and umbrella trials represent significant advancements in master protocol frameworks for precision oncology.
- Despite increasing use, these trial designs are often poorly understood by clinicians and researchers.
- Critical evaluation and thoughtful design are essential for maximizing the impact of these innovative trials.
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