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Updated: Feb 20, 2026

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Evaluating the Effectiveness of Cancer Drug Sensitization In Vitro and In Vivo
Published on: February 6, 2015
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EDITORIALS. Do cancer drugs improve survival or quality of life? 'Patient commentary: the current model has failed'
British Dental Journal
|October 28, 2017
Abstract:
The substantive paper in this issue states ( 2017;359: j4530) 'most drugs entered the market without evidence of benefit on survival or quality of life.'
Insights
Most new drugs reach the market without proof of improving survival or quality of life. This highlights a critical gap in drug efficacy evaluation and patient outcomes research.
Area of Science:
- Pharmacology
- Clinical Trials
- Health Economics
Background:
- The approval process for new pharmaceuticals is extensive.
- Assessing the real-world benefit of new drugs is crucial for patient care.
- Existing literature suggests a potential disconnect between drug approval and demonstrated patient benefit.
Purpose of the Study:
- To evaluate the evidence supporting the market entry of new drugs.
- To determine if new drugs demonstrate significant benefits in survival or quality of life.
- To critically assess the standards for drug efficacy in regulatory approvals.
Main Methods:
- Systematic review of drug approval data.
- Analysis of clinical trial outcomes for survival and quality of life metrics.
- Comparative analysis of pre- and post-market evidence for drug efficacy.
Main Results:
- A significant proportion of drugs were approved without robust evidence of improved survival.
- Many pharmaceuticals lacked data demonstrating a positive impact on patients' quality of life.
- The evidence base for benefit was often limited at the time of market entry.
Conclusions:
- The current system allows drugs to enter the market with insufficient evidence of clinical benefit.
- There is a need to strengthen the requirements for demonstrating survival or quality of life improvements.
- Re-evaluation of drug approval criteria is necessary to ensure patient-centered outcomes.

