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Clinical Trial Summary

RATIONALE: Suberoylanilide hydroxamic acid 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 suberoylanilide hydroxamic acid in treating patients who have advanced cancer.


Clinical Trial Description

OBJECTIVES:

- Determine the maximum tolerated dose of suberoylanilide hydroxamic acid in patients with advanced solid tumors or hematologic malignancies.

- Evaluate the pharmacokinetic profile of this drug in these patients.

- Determine the effects of this drug on absorption in the fasting and non-fasting states in these patients.

- Determine any anti-tumor effects of this drug in these patients.

- Correlate clinical outcomes with histone acetylation in circulating mononuclear cells and tumor biopsy samples in patients treated with this drug.

OUTLINE: This is a dose-escalation study. Patients are stratified according to disease (solid tumor vs multiple myeloma or lymphoma vs leukemia or myelodysplastic syndromes).

The initial 15-20 patients (in the solid tumor or multiple myeloma or lymphoma stratum) receive suberoylanilide hydroxamic acid (SAHA) IV over 2 hours on day 1 of week 0 and then orally once or twice daily beginning on day 1 of week 1. All remaining patients receive oral SAHA once or twice daily beginning on day 1 of week 1. Courses repeat every 4 weeks for up to 1 year in the absence of disease progression or unacceptable toxicity.

In each stratum, cohorts of 3-6 patients receive escalating doses of SAHA until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which at least 2 of 3 or 2 of 6 patients experience dose-limiting toxicity.

Patients are followed monthly for resolution of adverse events.

PROJECTED ACCRUAL: A maximum of 114 patients (42 with solid tumors, 36 with lymphoma or multiple myeloma, and 36 with leukemia or myelodysplastic syndromes) will be accrued for this study within 1 year. ;


Study Design

Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00045006
Study type Interventional
Source National Cancer Institute (NCI)
Contact
Status Completed
Phase Phase 1
Start date July 2001
Completion date July 2008

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