Phase I/II study of cetuximab in combination with cisplatin or carboplatin and fluorouracil in patients with recurrent or metastatic squamous cell carcinoma of the head and neck.
PURPOSE: This was an open, randomized, multicenter, phase I/II study to investigate the safety and tolerability of cetuximab in the first-line treatment of recurrent/metastatic squamous cell carcinoma of the head and neck (SCCHN). PATIENTS AND METHODS: Treatment comprised cetuximab (initial dose 400 mg/m2 with subsequent weekly doses of 250 mg/m2) in combination with 3-week cycles of either cisplatin (100 mg/m2) or carboplatin (area under the curve, 5), each in combination with a 5-day infusion of fluorouracil (FU) at escalating doses of 600, 800, and 1,000 mg/m2/d. The study was divided into two phases: A, the first two cycles (6 weeks) focusing on the safety and tolerability of combination therapy; and B, the remaining time for those benefiting from therapy until disease progression or intolerable toxicity. RESULTS: Fifty-three patients were enrolled onto the study. The incidence of dose-limiting toxicities in phase A was acceptable. The most common grade 3/4 adverse events in both groups were leucopenia (38%), asthenia (25%), vomiting (14%), and thrombocytopenia (15%), which are consistent with the known safety profiles of cetuximab, cisplatin/carboplatin, and FU. The overall response rate among patients was 36%, with no clear trend toward an increased efficacy at the highest dose of FU, and no impact of the concomitant chemotherapy regimens on cetuximab pharmacokinetics. CONCLUSION: The combination of cetuximab, cisplatin/carboplatin, and FU was reasonably well tolerated and active in recurrent/metastatic SCCHN, and merits additional investigation. An FU dose of 1,000 mg/m2/d in combination with cisplatin or carboplatin can be recommended for additional studies.
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Related Subject Headings
- Survival Analysis
- Oncology & Carcinogenesis
- Neoplasm Recurrence, Local
- Middle Aged
- Male
- Humans
- Head and Neck Neoplasms
- Fluorouracil
- Female
- Cisplatin
Citation
Published In
DOI
EISSN
Publication Date
Volume
Issue
Start / End Page
Location
Related Subject Headings
- Survival Analysis
- Oncology & Carcinogenesis
- Neoplasm Recurrence, Local
- Middle Aged
- Male
- Humans
- Head and Neck Neoplasms
- Fluorouracil
- Female
- Cisplatin