Concurrent Chemotherapy and Pelvic Radiation Therapy Compared With Pelvic Radiation Therapy Alone as Adjuvant Therapy After Radical Surgery in High-Risk Early-Stage Cancer of the Cervix

William A. Peters, P. Y. Liu, Rolland J. Barrett, Richard J. Stock, Bradley J. Monk, Jonathan S. Berek, Luis Souhami, Perry Grigsby, William Gordon, David S. Alberts

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Purpose: To determine whether the addition of cisplatin-based chemotherapy (CT) to pelvic radiation therapy (RT) will improve the survival of early-stage, high-risk patients with cervical carcinoma. Patients and Methods: Patients with clinical stage IA2, IB, and MA carcinoma of the cervix, initially treated with radical hysterectomy and pelvic lymphadenectomy, and who had positive pelvic lymph nodes and/or positive margins and/or microscopic involvement of the parametrium were eligible for this study. Patients were randomized to receive RT or RT + CT. Patients in each group received 49.3 GY RT in 29 fractions to a standard pelvic field. Chemotherapy consisted of bolus cisplatin 70 mg/m2 and a 96-hour infusion of fluorouracil 1,000 mg/m2/d every 3 weeks for four cycles, with the first and second cycles given concurrent to RT. Results: Between 1991 and 1996, 268 patients were entered onto the study. Two hundred forty-three patients were assessable (127 RT + CT patients and 116 RT patients). Progression-free and overall survival are significantly improved in the patients receiving CT. The hazard ratios for progression-free survival and overall survival in the RT only arm versus the RT + CT arm are 2.01 (P = .003) and 1.96 (P = .007), respectively. The projected progression-free survivals at 4 years is 63% with RT and 80% with RT + CT. The projected overall survival rate at 4 years is 7 1 % with RTand 8 1 % with RT + CT. Grades 3 and 4 hematologic and gastrointestinal loxicity were more frequent in the RT + CT group. Conclusion: The addition of concurrent cisplatin-based CT to RT significantly improves progression-free and overall survival for high-risk, early-stage patients who undergo radical hysterectomy and pelvic lymphadenectomy for carcinoma of the cervix.

Original languageEnglish
Pages (from-to)4605-4612
Number of pages8
JournalJournal of Clinical Oncology
Volume41
Issue number29
DOIs
StatePublished - Oct 10 2023

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