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Aminolevulinic Acid Hydrochloride in Visualizing Tumors in Patients with Newly Diagnosed or Recurrent Malignant Gliomas Undergoing Surgery

Trial Status: complete

This phase II trial studies how well aminolevulinic acid hydrochloride works in visualizing tumors in patients with newly diagnosed malignant gliomas or malignant gliomas that have returned after a period of improvement who are undergoing surgery. Aminolevulinic acid hydrochloride is a fluorescent substance that can make tumor cells glow under a microscope with a special blue light that may help visualize and remove as much tumor as possible without harming healthy tissue.