This subproject is one of many research subprojects utilizing theresources provided by a Center grant funded by NIH/NCRR. The subproject andinvestigator (PI) may have received primary funding from another NIH source,and thus could be represented in other CRISP entries. The institution listed isfor the Center, which is not necessarily the institution for the investigator.ABSTRACTHYPOTHESISThis study will determine the maximum tolerated dose (MTD) of the combination of carboplatin and weekly vinblastine, as well as the feasibility of administering up to 8 additional 6-week cycles of the combination chemotherapy in patients with both newly diagnosed progressive and/or symptomatic low-grade gliomas as well as in patients with recurrent tumors.
SPECIFIC AIMS Primary Aims1. To estimate the maximum tolerated dose (MTD) and recommend a Phase 2 dose of weekly vinblastine when given in combination with carboplatin in patients with newly diagnosed or recurrent low-grade gliomas.2. To define and describe the acute and dose-limiting toxicities (DLT) of the combination regimen of vinblastine and carboplatin.3. To describe the toxicities associated with repeated cycles of the combination chemotherapy (54 weeks) and the number of treatment modifications required over the course of treatment.Secondary Aims1. To describe the radiographic responses in patients treated with the above regimen.2. To describe changes in diffusion/perfusion imaging during protocol therapy.
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