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Study of the dosage of lobaplatin for the chemoradiotherapy of local-regionally advanced nasopharyngeal carcinoma / 肿瘤研究与临床
Cancer Research and Clinic ; (6): 389-392, 2013.
Article in Chinese | WPRIM | ID: wpr-434332
ABSTRACT
Objective To observe the safety and effectiveness of inductive chemotheray with lobaplatin plus 5-Fu (LF regimen) and concurrent chemoradiotherapy with lobaplatin for local-regionally advanced nasopharyngeal carcinoma (NPC) patients,and investigate the appropriate lobaplatin dose for the concurrent chemoradiotherapy.Methods Newly diagnosed local-regionally advanced NPC patients signed informed consent.The inductive chemotherapy was lobaplatin 30 mg/m2 + 5-Fu 4 g/m2 civ 120 h for 2 cycles every 21 days,then concurrent lobaplatin chemoradiotherapy was conducted.The initial lobaplatin dose for concurrent chemoradiotherapy was 50 mg/m2 with at least 3 cases in every dose level.If 2 of 3 patients presented dose-limiting toxicity (DLT),5 mg/m2 dose decreased for the next level until maximal tolerant dose (MTD) reached.The tumor response was evaluated after inductive chemotherapy,at the end of the chemoradiotherapy,3 months after chemoradiotherapy and 6 months after chemoradiotherapy.Results From Dec 2011 to Apr 2012,11 patients were enrolled in this study.After 2 courses of inductive chemoradiotherapy,CR,PR and SD were observed in 1,8 and 2 patients,respectively.At the end of the chemoradiotherapy and 3 months after chemoradiotherapy,CR and PR were observed in 10 and 1 patients,respectively.Six months after the chemoradiotherapy,all patients were CR.For the patients(3 in each arm) received 50 mg/m2 or 45 mg/m2 lobapaltin concurrent chemoradiotherapy,2 patients in each arm presented DLT.For the 5 patients received 40 mg/m2 lobapaltin concurrent chemoradiotherapy,no patients presented DLT.40 mg/m2 was suggested as the MTD.Inhibition of platelet was the major DLT.Conclusion Inductive chemotherapy with LF regimen and concurrent chemoradiotherapy with lobaplatin is safe and effective for local-regionally advanced NPC patients and the MTD of lobaplatin for the concurrent chemoradiotherapy is 40 mg/m2.Further clinical trial with large sample is expected.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Cancer Research and Clinic Year: 2013 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Cancer Research and Clinic Year: 2013 Type: Article