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Clinical Trial Summary

RATIONALE: Tipifarnib may stop the growth of cancer cells by blocking the enzymes necessary for cancer cell growth.

PURPOSE: Phase I trial to study the effectiveness of tipifarnib in treating young patients who have refractory leukemia.


Clinical Trial Description

OBJECTIVES:

Primary

- Determine the maximum tolerated dose and toxicity profile of tipifarnib in pediatric patients with refractory leukemia.

- Determine the pharmacokinetics of this drug in these patients.

- Determine the toxicity profile of this drug in these patients.

Secondary

- Analyze the gene expression profile of leukemic blasts from these patients before and after treatment with this drug.

- Determine circulating levels of nerve growth factor and correlate these levels with clinical neurotoxicity from this drug in these patients.

OUTLINE: This is an open-label, dose-escalation study.

Patients receive oral tipifarnib every 12 hours on days 1-21. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.

Cohorts of 3-6 patients receive escalating doses of tipifarnib until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which at least 2 of 6 patients experience dose-limiting toxicity. At least 9 additional patients are treated at the MTD.

PROJECTED ACCRUAL: A total of 12-34 patients will be accrued for this study within 1-2 years. ;


Study Design

Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00022451
Study type Interventional
Source National Institutes of Health Clinical Center (CC)
Contact
Status Completed
Phase Phase 1
Start date June 2001
Completion date March 2005

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