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Updated: Dec 6, 2025

Testing Targeted Therapies in Cancer using Structural DNA Alteration Analysis and Patient-Derived Xenografts
Published on: July 25, 2020
Innovative trial design in precision oncology
Apostolia M Tsimberidou1, Peter Müller2, Yuan Ji3
1Department of Investigational Cancer Therapeutics, Phancise I Clinical Trials Program, The University of Texas MD Anderson Cancer Center, 1400 Holcombe Boulevard, Unit 455, Houston, TX 77030, United States.
Abstract:
Genomic profiling technologies have enabled the development of targeted therapies designed to target specific biomarkers and molecular pathways involved in the pathophysiology of tumor initiation, metastasis, and drug resistance. In recent years, clinical trials with innovative design focus on the development of novel agents based on specific patient molecular alterations or other tumor characteristics and include patients with heterogenous tumor types. Precision oncology studies with innovative design associated with novel dose-finding approaches and data analysis focusing on subgroups of patients are characteristic of master protocols. Real-world data, patient-reported outcomes, and N-of-1 trials enhance the knowledge base of evidence to deliver personalized treatment to patients. Master protocols accelerate drug development by enabling simultaneous multiple sub-studies that match the patient's tumor molecular profile with experimental treatment arms. However, the increased flexibility of precision oncology trials is often associated with small subpopulations of patients, which may be underpowered to draw statistically robust conclusions. Despite their limitations, innovative clinical trials continue to rapidly translate the emerging discoveries of novel drugs into unprecedented clinical outcomes in patients with cancer and to accelerate the implementation of precision oncology.
Insights
Innovative clinical trials, including master protocols, accelerate precision oncology by matching molecular profiles to targeted therapies. Despite challenges with small patient subgroups, these trials rapidly translate cancer drug discoveries into improved patient outcomes.
Area of Science:
- Oncology
- Genomics
- Clinical Trial Design
Background:
- Genomic profiling enables targeted therapies for cancer by identifying specific biomarkers and molecular pathways.
- Precision oncology trials are evolving to incorporate novel agents based on patient molecular alterations and diverse tumor types.
Purpose of the Study:
- To explore the role of innovative clinical trial designs, particularly master protocols, in advancing precision oncology.
- To highlight how master protocols facilitate drug development by matching patient molecular profiles with experimental treatments.
Main Methods:
- Utilizing master protocols for simultaneous sub-studies matching tumor molecular profiles with experimental arms.
- Incorporating real-world data, patient-reported outcomes, and N-of-1 trials to enhance evidence for personalized treatment.
Main Results:
- Master protocols accelerate the development of novel cancer therapies by enabling efficient drug testing in targeted patient populations.
- Innovative trial designs, despite potential limitations of small subpopulations, are crucial for translating genomic discoveries into clinical benefits.
Conclusions:
- Precision oncology trials with master protocols are key to rapidly advancing cancer treatment by personalizing therapies based on genomic data.
- Continued innovation in clinical trial design is essential for overcoming challenges and maximizing the impact of precision oncology for cancer patients.
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