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Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms
Published on: December 9, 2015
US FDA perspective on challenges in co-developing in vitro companion diagnostics and targeted cancer therapeutics
Reena Philip1, Lea Carrington, Maria Chan
1Division of Immunology and Hematology Devices, Office of In vitro Diagnostic Device Evaluation and Safety Center for Device and Radiological Health, Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, MD 20993-0002, USA. reena.philip@fda.hhs.gov
Abstract:
Recent advances in cancer therapy are based on agents that specifically target the products of the genes mutated in cancer cells. Development of companion diagnostic tests for these agents can simplify the drug-discovery process, make clinical trials more efficient and informative, and be used to individualize the therapy of cancer patients. Companion diagnostic development has many challenges. Examples include the reluctance of drug companies to restrict the use of their drugs through biomarker tests, difficulties of developing companion diagnostics from discovery to clinical validation, and the regulatory challenges in developing effective mechanisms to synchronize reviews of therapeutics with diagnostic devices used to personalize treatment. This article addresses the various challenges in developing companion diagnostics along with the US FDA's approach to regulation of companion diagnostic devices.
Insights
Companion diagnostics enable personalized cancer therapy by targeting specific gene mutations. Developing these tests faces challenges in drug company adoption, clinical validation, and synchronized regulatory review.
Area of Science:
- Oncology
- Translational Medicine
- Biomarker Development
Background:
- Targeted cancer therapies rely on specific gene mutations.
- Companion diagnostics are crucial for identifying patients who will benefit from these targeted agents.
- Personalized medicine aims to tailor treatments based on individual patient profiles.
Purpose of the Study:
- To outline the challenges in developing companion diagnostics.
- To discuss the US Food and Drug Administration's (FDA) regulatory approach to companion diagnostics.
- To highlight the importance of companion diagnostics in modern cancer treatment.
Main Methods:
- Review of current landscape in targeted cancer therapy and companion diagnostics.
- Analysis of challenges including industry reluctance, development hurdles, and regulatory synchronization.
- Examination of the US FDA's regulatory framework for companion diagnostic devices.
Main Results:
- Companion diagnostics simplify drug discovery and clinical trials.
- Key challenges include industry buy-in, the complexity of clinical validation, and regulatory hurdles.
- The FDA is working to synchronize the review of therapeutics and companion diagnostics.
Conclusions:
- Companion diagnostics are essential for effective personalized cancer therapy.
- Overcoming development and regulatory challenges is critical for broader adoption.
- Synchronized regulatory pathways are needed to expedite patient access to targeted treatments.
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