Opdivo in Head and Neck Cancer: Results from the CheckMate 141 Trial
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At the American Society of Clinical Oncology (ASCO) 2016 Annual Meeting, Dr. Robert L. Ferris from the University of Pittsburgh presented the results of the CheckMate 141 Phase 3 clinical trial. This study investigated the efficacy of Opdivo (Nivolumab) in patients with recurrent or metastatic squamous cell carcinoma of the head and neck (SCCHN) who had progressed on platinum-based chemotherapy.
Study Design: CheckMate 141 Trial
The trial randomized 361 patients in a 2:1 ratio:
- Opdivo Group (N=240): Nivolumab 3 mg/kg every two weeks.
- Investigator’s Choice Group (N=121): Standard chemotherapy (Methotrexate, Docetaxel, or Cetuximab).
Key Survival Results
The trial demonstrated a significant survival benefit for patients receiving Opdivo:
- One-Year Survival Rate: 36.0% for the Opdivo group vs. 16.6% for the investigator's choice group—effectively doubling the survival rate at one year.
- Median Overall Survival: 7.5 months for Opdivo vs. 5.1 months for standard therapy.
The benefit of Opdivo was observed across different PD-L1 expression levels, though patients with higher PD-L1 expression showed even greater survival improvements.
Safety and Tolerability
Opdivo also proved to be better tolerated than standard chemotherapy:
- Adverse Event Rate: 58.9% in the Opdivo group vs. 77.5% in the investigator's choice group.
- Quality of Life: Patients in the Opdivo group reported stable or improved physical, social, and emotional functioning, whereas those in the chemotherapy group experienced declines.
Conclusion
The CheckMate 141 trial established Opdivo as a new standard of care for patients with platinum-refractory recurrent or metastatic head and neck cancer, offering superior survival and better quality of life compared to conventional chemotherapy.
Source: ASCO 2016 - CheckMate 141 Abstract #6009
#HeadAndNeckCancer #SCCHN #Opdivo #Nivolumab #CheckMate141 #ASCO2016 #Immunotherapy
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