Background: Despite advances in neuro-imaging, neurosurgery, radiation therapy, and chemotherapy, limited progress has been made in the treatment of patients with high-grade astrocytomas. The National Cancer Institute has attempted to speed advances in this field by funding CNS consortia to conduct innovative clinical trials in this patient population since 1994. Methods: The NABTT CNS Consortium is composed of a consortium headquarters and nine member institutions with outstanding multidisciplinary expertise, clinical and laboratory research capabilities, and access to large numbers of patients with brain tumors. Results: The objectives of the NABTT Consortium are to improve the therapeutic outcome for adults with primary brain tumors, to conduct basic science and clinical research, and to improve the care and quality of life of adults with primary brain tumors. NABTT's clinical studies have discovered important drug interactions between anticonvulsant and antineoplastic agents, defined the activity of paclitaxel and 9- aminocamptothecin in glioblastoma multiforme, tested a novel dose escalation strategy for brain tumor trials, and established new protocol 'classes' to expedite and standardize clinical research in this field. Conclusions: Significant progress in the care of patients with primary brain tumors is likely to result from the highly focused and multidisciplinary efforts of the NIH-funded CNS consortia.
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