NCT04458935 2026-02-05Retrospective Case Series of Trans-scleral Cryotherapy for Retinal HemangioblastomaNational Institutes of Health Clinical Center (CC)Active not recruiting25 enrolled
NCT02721732 2026-01-29Pembrolizumab in Treating Patients With Rare Tumors That Cannot Be Removed by Surgery or Are MetastaticM.D. Anderson Cancer CenterPhase 2 Active not recruiting157 enrolled 26 charts