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Clinical Trial Summary

RATIONALE: Imatinib mesylate may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth.

PURPOSE: This phase II trial is studying the side effects of imatinib mesylate and how well it works in treating patients with myelofibrosis.


Clinical Trial Description

OBJECTIVES:

Primary

- Determine the safety, efficacy, and tolerability of imatinib mesylate in patients with myelofibrosis with myeloid metaplasia.

- Determine the 3-, 6-, and 12-month major and minor erythroid response rates in patients treated with this drug.

Secondary

- Determine reduction in marrow fibrosis in patients treated with this drug.

- Determine decrease in spleen size in patients treated with this drug.

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

Patients receive oral imatinib mesylate once daily for 1 year in the absence of disease progression or unacceptable toxicity. Patients who do not experience a minor erythroid response or a 50% reduction in spleen size after 6 months of treatment are removed from the study. Patients experiencing clinical benefit (e.g., ongoing erythroid response) after 1 year of treatment may continue treatment with imatinib mesylate as above at the discretion of the principal investigator.

PROJECTED ACCRUAL: A total of 20 patients will be accrued for this study. ;


Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00245128
Study type Interventional
Source OHSU Knight Cancer Institute
Contact
Status Terminated
Phase Phase 2
Start date August 2005
Completion date October 2011

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