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A Randomized Study of GEMOX With or Without Cetuximab in Locally Advanced and Metastatic BTC — BTC  

Cholangiocarcinoma Clinical Trial

Official title:
A Randomized Phase II Study of Gemcitabine Plus Oxaliplatin (GEMOX) With or Without Cetuximab in Locally Advanced and Metastatic Biliary Tract Cancer (BTC)

Clinical Trial Summary

The primary objective is to investigate the objective response rate in patients receiving GEMOX (gemcitabine plus oxaliplatin) plus cetuximab as first line treatment in advanced or metastatic unresectable BTC biliary tract cancer compared to patients receiving the same chemotherapy without cetuximab. The secondary objectives include the exploration of the effect of the multimodality strategy on progression-free and overall survival, biomarker prediction, and toxicity.

Clinical Trial Description

It is considered realistic, that within 18 months 120 patients can be included in the participating centers. Based on the previous publications an objective response rate (ORR) of 20% is expected in the GEMOX arm (Arm B). When the sample size of evaluable patients is between 110 and 120 evaluable patients (ie. 55 to 60 patients per treatment arm), then a two-sided 95% confidence interval (CI) for the difference between an arm B response rate PB, of 20% and an arm A response rate PA of 30%, 35% or 40% based on the large sample normal approximation will have a width between 15.4% and 16.7%. We assume an objective response rate of 30% for Arm A, then a two-sided 95% confidence interval (CI) for the difference between an arm B response rate PB, of 20% and an arm A response rate PA of 30% will have a width ±15.4% when the sample size of evaluable patients is 120 (i.e., 60 patients per treatment arm). ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01267344
Study type Interventional
Source National Health Research Institutes, Taiwan
Contact
Status Completed
Phase Phase 2
Start date December 2010
Completion date May 2015
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