Introduction: The commonly used administration schedule of irinotecan in combination therapy with cisplatin in cervical cancer was once weekly for 3 weeks. To some extent, this administration schedule may be inconvenient for patients who were far from hospital. The aim of the current study is to investigate the efficacy and toxicities of a modified shortened administration schedule for neoadjuvant chemotherapy with irinotecan and cisplatin in locally advanced cervical cancer.
Methods: We retrospectively reviewed the clinical records of patients with cervical cancer who received neoadjuvant chemotherapy with irinotecan and cisplatin delivered by the modified administration schedule at Sun Yat-sen University Cancer Center from November 2005 to May 2010. Irinotecan was administrated by intravenous infusion for 1 hour at a dose of 80 mg/m2 on days 1 and 8. Cisplatin was administrated intravenously at a total dose of 60 to 70 mg/m2, which was infused on day 1 or was divided into 2 or 3 doses and given on days 1 to 2 or 3. The treatment was repeated every 3 weeks.
Results: The total response rate was 78.8% (42/52), including a complete response and partial response rate of 11.5% (6/52) and 67.3% (35/52), respectively. Pathologically confirmed complete response was noted in 7.7% (4/52) of patients. Stable disease was observed in 17.3% (9/52) of patients and progression disease in 3.8% (2/52) of patients. Diarrhea and hematological toxicity were the major dose-limiting toxicities. Diarrhea occurred in 23.1% of patients with grades 1, 2, and 3 in 11.5%, 7.7%, and 3.8% of patients, respectively. No grade 4 diarrhea was noted. Grade 3/4 neutropenia developed in 7.7% (4/52) of patients. Grade 3/4 anemia occurred in 19.2% (10/52) of patients.
Conclusions: The modified shortened administration schedule of combined therapy with irinotecan and cisplatin may be active against cervical cancer as neoadjuvant chemotherapy. The adverse effects could be controllable.
- Cervical cancer
- Neoadjuvant chemotherapy
- Locally advanced
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