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Discover 17,885 clinical trials near Houston, Texas. Find research studies in your area.
Showing 5341-5360 of 17,885 trials
NCT02905110
The goal of this clinical research study is to establish the safety of simultaneous infusions of methotrexate and etoposide into the fourth ventricle of the brain or resection cavity in patients with recurrent malignant posterior fossa brain tumors. These tumors include medulloblastoma, ependymoma, atypical teratoid/rhabdoid tumor or other malignant brain tumor with recurrence or progression involving anywhere in the brain and/or spine. Patients' disease must have originated in the posterior fossa of the brain.
NCT04199689
The purpose of this study is to evaluate the efficacy, immunogenicity and safety of the 9vHPV vaccine in men 20 to 45 years of age. The primary hypothesis tested after the primary database lock is that administration of a 3-dose regimen of 9vHPV vaccine will reduce the incidence of human papillomavirus (HPV) 16/18/31/33/45/52/58-related oral persistent infection (6 months or longer) compared with placebo. There will also be an Extension Study to offer an opportunity to complete the 3 dose regimen of 9vHPV vaccine for participants who received placebo in the Base Study, or received less than 3 doses of 9vHPV vaccine in the Base Study.