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Dose-escalation models for combination phase I trials in oncology
Paul Hamberg1, Mark J Ratain, Emmanuel Lesaffre
1Department of Medical Oncology, Erasmus University Medical Center, Daniel den Hoed Cancer Center, Rotterdam, The Netherlands. a.hamberg@erasmusmc.nl
Designing combination drug phase I trials for cancer is complex. This study discusses key issues and control designs to improve early-stage combination cancer drug development.
Area of Science:
- Oncology
- Clinical Pharmacology
- Drug Development
Background:
- Designing early-phase combination drug trials is increasingly complex due to diverse agents, mechanisms, safety profiles, and schedules.
- With ~850 cancer agents in development, prioritizing combination trials based on hypothesis and development path is crucial.
Purpose of the Study:
- To discuss the most relevant issues and pitfalls in designing combination drug phase I trials.
- To present phase I study designs incorporating controls to mitigate bias from background toxicity imbalances.
Main Methods:
- Literature review and synthesis of current challenges in combination trial design.
- Discussion of various phase I study designs, including those with control arms.
Main Results:
- Identified key complexities in combination drug phase I trial design.
- Highlighted the importance of control groups to address background toxicity bias.
Conclusions:
- Strategic design and prioritization are essential for effective combination drug development in oncology.
- Incorporating control elements in phase I trials can enhance the reliability of safety and efficacy assessments.
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