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Clinical Trial Summary

Phase II trial to study the effectiveness of lapatinib in treating patients who have recurrent and/or metastatic adenoid cystic cancer or other salivary gland cancers. Lapatinib may stop the growth of tumor cells by blocking the enzymes necessary for their growth.


Clinical Trial Description

PRIMARY OBJECTIVES:

I. To determine the antitumor activity of GW572016 in recurrent and/or metastatic adenoid cystic carcinoma of the salivary glands using objective response rates (partial and complete responses).

SECONDARY OBJECTIVES:

I. To determine the duration of objective response, rate and duration of stable disease, progression-free, median and overall survival rates of GW572016 in recurrent and/or metastatic adenoid cystic carcinoma of the salivary glands.

II. To estimate the antitumor activity of GW572016 in other epidermal growth factor receptor (EGFR)- and/or erbB2-overexpressing malignant tumors of the salivary glands using objective response rates (partial and complete responses).

III. To document the safety and tolerability of GW572016 in these patient populations

TERTIARY OBJECTIVES:

I. To investigate if differences in baseline levels of EGFR and/or erbB2 expression, and receptor phosphorylation status in tumor specimens predict outcome to therapy.

II. To investigate if the inhibitory effects of GW572016 on EGFR and/or erbB2 pathway activation in tumor specimens correlate with clinical outcome.

III. To determine the steady state levels of GW572016 achieved, and their correlation with clinical and laboratory correlative endpoints.

OUTLINE: This is a nonrandomized, open-label, multicenter study.

Patients receive oral lapatinib once daily on days 1-28. Courses repeat every 28 days in the absence of unacceptable toxicity or disease progression.

Patients are followed for survival ;


Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00095563
Study type Interventional
Source National Cancer Institute (NCI)
Contact
Status Completed
Phase Phase 2
Start date September 2004

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