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Clin Colorectal Cancer. 2009 Jan;8(1):38-42. doi: 10.3816/CCC.2009.n.006.

Phase II trial of erlotinib and capecitabine for patients with previously untreated metastatic colorectal cancer.

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  • 1St. Luke's-Roosevelt Hospital Center New York, Continuum Cancer Centers of New York, USA.



This Simon 2-stage phase II trial was designed to document antitumor activity of capecitabine in combination with erlotinib in patients with previously untreated metastatic colorectal cancer (CRC).


Time to tumor progression, objective response rate, and time to treatment failure were to be assessed. Secondary objectives included determination of toxicity. This trial was closed prematurely because of slower-than-expected accrual. Thirteen patients were enrolled, and all are off protocol treatment at the time of this report.


Notably, 4 subjects discontinued therapy because of adverse events. Of 10 evaluable patients, 1 attained a complete response, 1 attained a partial response, 3 had stable disease, and 5 had progressive disease. Median time to disease progression was 21 weeks, with a range of 8-85 weeks. Overall survival ranged from 12 weeks to 182 weeks, with a median of 76 weeks.


The toxicities and challenge to complete accrual observed in this trial are consistent with the experience of others attempting to develop erlotinib as part of combination treatment for advanced CRC.

[PubMed - indexed for MEDLINE]
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