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- To achieve low levels of PCR ratios of Bcr-Abl/Bcr (molecular CR) in a significant proportion of patients after 12 months of higher doses (800 mg daily) of Gleevec therapy
- To increase the proportion of patients achieving a complete cytogenetic response in patients with Ph-positive chronic phase CML using initial higher dose Gleevec therapy.
- To evaluate the durations of PCR negativity, cytogenetic response, hematologic control, and survival.
- To analyze differences in response rates and in prognosis within different risk groups and patient characteristics
Before treatment starts, patients will have a physical exam, blood tests, and a bone marrow study. The bone marrow will be removed with a large needle.
Patients on this study will take 400 mg of imatinib twice daily (morning and evening). If you have side effects, the dose may be lowered. If you are taking less than 800 mg of imatinib, you can take your dose once per day or divided in two doses. Imatinib mesylate should be taken with a large glass of water.
After completing 3 to 12 months of therapy, response to imatinib mesylate will be evaluated. Treatment may be continued for up to 8-10 years, or as long as it is judged best to control the leukemia.
Blood tests are recommended 2 times per year. Your doctor will discuss with you how often you should have blood tests. Bone marrow will be done every 2-3 years. You must return to M. D. Anderson at least once every year. You may not need a bone marrow test every visit, but you will have blood drawn to measure the amount of disease you have.
This is an investigational study. The FDA has authorized the use of imatinib mesylate for patients with CML. It is the dose of imatinib mesylate being used that is investigational. A total of 50 patients will take part in this study. All will be enrolled at M.D. Anderson.
Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
The University Of MD Anderson Cancer Center
Active, not recruiting
M.D. Anderson Cancer Center
Published on BioPortfolio: 2014-07-23T21:09:45-0400
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