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Clinical Trial Summary

RATIONALE: Radiation therapy uses high-energy x-rays to kill tumor cells. Drugs, such as cytochlor and tetrahydrouridine, may make tumor cells more sensitive to radiation therapy.

PURPOSE: This phase I trial is studying the side effects and best dose of cytochlor when given together with tetrahydrouridine and external-beam radiation therapy in treating patients with cancer that has spread to the brain.


Clinical Trial Description

OBJECTIVES:

Primary

- Establish the safety and toxicity profile of cytochlor and H4U when given in combination with external-beam radiotherapy for 2 weeks after treatment with the drugs alone in the previous week.

Secondary

- Determine the effectiveness of H4U to inhibit systemic cytidine deaminase (CD) during the course of treatment with cytochlor and H4U.

- Perform detailed pharmacokinetic studies to determine the levels of cytochlor and its metabolites in serum and in urine in weeks 1, 2, and 3 during treatment.

OUTLINE: This is a dose-escalation study of cytochlor.

Patients receive cytochlor IV and tetrahydrouridine (H4U) IV over 5 minutes on 3 days in week 1 and on days 1-5 in weeks 2 and 3. Patients also undergo external-beam radiotherapy 5 days a week in weeks 2 and 3 initiated 3-4 hours after infusions of cytochlor and H4U. Treatment may repeat in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed monthly for 3 months, every 3 months for 1 year, every 4 months for 1 year, every 6 months for 1 year, and then yearly thereafter. ;


Study Design

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


Related Conditions & MeSH terms


NCT number NCT00521183
Study type Interventional
Source University of Miami
Contact
Status Completed
Phase Phase 1
Start date June 2007
Completion date May 2014

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