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  • Title: Chemoradiation with 5-fluorouracil and mitomycin C in the treatment of vulvar squamous cell carcinoma.
    Author: Mulayim N, Foster Silver D, Schwartz PE, Higgins S.
    Journal: Gynecol Oncol; 2004 Jun; 93(3):659-66. PubMed ID: 15196861.
    Abstract:
    OBJECTIVE: To investigate the acute and late toxicities associated with the use of chemoradiation therapy (CRT) with 5-fluorouracil (5-FU) and mitomycin C or mitomycin C alone for primary, adjuvant, and salvage therapy for vulvar cancer. METHODS: Medical charts of 17 patients who received CRT with this regimen were reviewed. Toxicity was scored by 1998 standardized common toxicity criteria, Version 2.0, for acute toxicity and the RTOG/EORT Late Radiation Morbidity Scoring Schema for late toxicity. Median follow-up was 20 months (range: 5-74 months). RESULTS: Six patients had grade 4 neutropenia. In three patients, life-threatening neutropenic sepsis developed after the second cycle of chemotherapy. Severe enterocolitis was a direct cause of death in two patients. In four patients, the second cycle of chemotherapy was cancelled because of severe toxicity associated with the first cycle. One patient had grade 4 skin toxicity in the vulvar-perineal area. Six patients had grade 3 and seven patients had grade 2 acute skin toxicity. Skin toxicity necessitated the interruption of CRT in nine patients at a median dose of 32.4 Gy (range: 16.2-48 Gy). One patient developed bowel perforation and colovaginal fistula 1.5 years after completion of CRT. CONCLUSION: Chemoradiation therapy utilizing 5-FU and mitomycin C or mitomycin C alone in the treatment of vulvar cancer can be associated with a high incidence of morbidity and mortality. Strict attention to indications for treatment interruptions or chemotherapy dose adjustments is obligatory for safe delivery of CRT to these patients.
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