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Updated: Aug 25, 2025

Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms
Published on: December 9, 2015
Addressing Drug Resistance in Cancer: A Team Medicine Approach
Prakash Kulkarni1,2, Atish Mohanty1, Supriyo Bhattacharya3
1Department of Medical Oncology and Therapeutics Research, City of Hope National Medical Center, Duarte, CA 91010, USA.
Abstract:
Drug resistance remains one of the major impediments to treating cancer. Although many patients respond well initially, resistance to therapy typically ensues. Several confounding factors appear to contribute to this challenge. Here, we first discuss some of the challenges associated with drug resistance. We then discuss how a 'Team Medicine' approach, involving an interdisciplinary team of basic scientists working together with clinicians, has uncovered new therapeutic strategies. These strategies, referred to as intermittent or 'adaptive' therapy, which are based on eco-evolutionary principles, have met with remarkable success in potentially precluding or delaying the emergence of drug resistance in several cancers. Incorporating such treatment strategies into clinical protocols could potentially enhance the precision of delivering personalized medicine to patients. Furthermore, reaching out to patients in the network of hospitals affiliated with leading academic centers could help them benefit from such innovative treatment options. Finally, lowering the dose of the drug and its frequency (because of intermittent rather than continuous therapy) can also have a significant impact on lowering the toxicity and undesirable side effects of the drugs while lowering the financial burden carried by the patient and insurance providers.
Insights
Intermittent or adaptive therapy, guided by eco-evolutionary principles and a Team Medicine approach, shows promise in overcoming cancer drug resistance. This strategy may delay resistance, reduce toxicity, and lower costs for patients.
Area of Science:
- Oncology
- Evolutionary Biology
- Pharmacology
Background:
- Drug resistance is a significant challenge in cancer treatment, leading to therapy failure.
- Understanding the factors contributing to drug resistance is crucial for developing effective strategies.
- Current treatment paradigms often face limitations in overcoming acquired resistance.
Purpose of the Study:
- To explore the challenges posed by cancer drug resistance.
- To present intermittent or adaptive therapy as a novel strategy to combat drug resistance.
- To highlight the benefits of a collaborative, interdisciplinary approach to cancer treatment.
Main Methods:
- Discussing the complexities of cancer drug resistance.
- Reviewing the principles of intermittent or adaptive therapy based on eco-evolutionary concepts.
- Emphasizing the 'Team Medicine' approach involving basic scientists and clinicians.
Main Results:
- Intermittent or adaptive therapy has demonstrated success in delaying or preventing drug resistance in various cancers.
- This approach can enhance the precision of personalized medicine delivery.
- Reduced drug dosage and frequency lead to lower toxicity and fewer side effects.
Conclusions:
- Intermittent or adaptive therapy offers a promising strategy to overcome cancer drug resistance.
- Collaboration between researchers and clinicians is vital for advancing cancer treatment.
- This approach has the potential to improve patient outcomes and reduce healthcare costs.
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