A phase I-II study of weekly cisplatin and gemcitabine with concurrent radiotherapy in locally advanced cervical carcinoma
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Published on: February 12, 2017
J J Zarbá1, A V Jaremtchuk, P Gonzalez Jazey
1GETICS, Yerba Buena, Tucumán, Argentina. jzarba@arnet.com.ar
Background:
The purpose of this study was to determine the maximum-tolerated dose (MTD) and the antitumor activity of gemcitabine when administered in combination with concurrent cisplatin and radiotherapy in locally advanced cervical carcinoma (LACC).
Patients And Methods:
Patients with histologically confirmed LACC (International Federation of Gynecology and Obstetrics IIB-IVA), previously untreated, were eligible for entry in the study to receive radiotherapy and concomitant weekly chemotherapy with cisplatin 40 mg/m(2) and gemcitabine at increasing doses levels until the MTD was found.
Results:
Thirty-six patients were included. Sixteen patients were entered at four dose levels. The MTD was 150 mg/m(2) and the recommended dose of gemcitabine for phase II was 125 mg/m(2). Twenty additional patients were entered at this level. Toxicity at the recommended dose was acceptable with grade 3/4 toxicity in <20% of patients. Thirty-five of thirty-six patients (97.3%) achieved an objective response, 32 (88.8%) a complete response (CR) three a (8.3%) partial response and one (2.7%) stable disease. At a median follow-up of 26 months, 28 of 36 patients (77.7%) are in sustained complete remission and seven of 36 (19.4%) have relapsed. The 3-year disease-free and overall survival rates are 67% and 72%, respectively.
Conclusion:
The association of cisplatin and gemcitabine with concurrent radiotherapy is active and well-tolerated in untreated LACC.
