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Lithium and Whole-Brain Radiation Therapy in Treating Patients With Brain Metastases From Primary Cancer Outside the Brain

2014-08-27 03:38:42 | BioPortfolio

Summary

RATIONALE: Radiation therapy uses high-energy x-rays to kill tumor cells. Drugs, such as lithium, may protect normal cells from the side effects of radiation therapy. Giving lithium together with radiation therapy may allow a higher dose of radiation therapy to be given so that more tumor cells are killed.

PURPOSE: This phase I trial is studying the side effects and best dose of lithium when given together with whole-brain radiation therapy in treating patients with brain metastases from primary cancer outside the brain.

Description

OBJECTIVES:

- Determine the feasibility of concurrent lithium carbonate and whole-brain radiotherapy, as measured by safety and compliance, in patients with primary extracranial malignancy and brain metastases.

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

Patients receive oral lithium carbonate twice daily on days 1-7 and 2-4 times daily on days 8-21. Patients undergo whole-brain radiotherapy once daily on days 8-12 and 15-19.

Cohorts of 3-6 patients receive escalating doses of lithium carbonate until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 3 or 2 of 6 patients experience dose-limiting toxicity.

Quality of life and mental status are assessed at baseline, on days 1, 8, and 15, at 1-month post-treatment, and then periodically thereafter.

After completion of study treatment, patients are followed at 1 month and then periodically thereafter.

PROJECTED ACCRUAL: A total of 24 patients will be accrued for this study.

Study Design

Masking: Open Label, Primary Purpose: Supportive Care

Conditions

Brain and Central Nervous System Tumors

Intervention

lithium carbonate, cognitive assessment, quality-of-life assessment, radiation therapy

Location

Vanderbilt-Ingram Cancer Center - Cool Springs
Nashville
Tennessee
United States
37064

Status

Completed

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:38:42-0400

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