OBJECTIVES:
* Determine the partial and complete response rates in patients with unresectable benign meningioma treated with hydroxyurea.
* Assess the quantitative and qualitative toxic effects of this drug in this patient population.
OUTLINE: Patients receive oral hydroxyurea twice daily for 2 years in the absence of disease progression or unacceptable toxicity.
Patients are followed at 3 months, 6 months, and then every 6 months for 3 years.
PROJECTED ACCRUAL: A total of 38 patients will be accrued for this study within 13 months.