[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"retinal-angiomatous-proliferation\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:retinal-angiomatous-proliferation":32},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":23,"briefSummary":25,"conditions":26,"keywords":35,"overallStatus":41,"whyStopped":4,"lastUpdateSubmitDate":42,"lastUpdatePostDateStruct":43,"startDateStruct":46,"completionDateStruct":48,"leadSponsor":50,"locationsCount":5},"100605808","phase-2-real-world-effectiveness-and-pharmacogenetics-of-belzutifan-in-vhl-syndrome-the-believe-vhl-trial-100605808",false,"NCT07167329","Real-World Effectiveness and Pharmacogenetics of Belzutifan in VHL Syndrome: The BELIEVE-VHL Trial","The BELIEVE-VHL Trial: A Real-world Longitudinal Study on Belzutifan's Effectiveness, Pharmacogenetics, and Pharmacoeconomics in Von Hippel-Lindau (VHL) Syndrome Using the HIF2α Inhibitor Belzutifan","BELIEVE-VHL","Inclusion Criteria:\n\n* Age ≥ 14 years.\n* Clinical or genetic confirmation of von Hippel-Lindau (VHL) syndrome.\n* Presence of measurable or progressive VHL-associated tumors, as defined by RECIST 1.1 or disease-specific imaging criteria.\n* ECOG performance status of 0-2.\n* Adequate bone marrow, hepatic, and renal function as defined by laboratory reference values.\n* Ability to swallow oral medication.\n* Provision of written informed consent prior to enrollment.\n\nExclusion Criteria:\n\n* Age \\\u003C 14 years.\n* Absence of a confirmed diagnosis of von Hippel-Lindau (VHL) syndrome.\n* Presence of an active malignancy outside the VHL tumor spectrum within the past 3 years, except for adequately treated basal or squamous cell carcinoma of the skin, cervical carcinoma in situ, or other malignancies considered cured for \\>2 years.\n* Known hypersensitivity or allergic reaction to belzutifan or any excipient in the formulation.\n* History of severe or uncontrolled cardiovascular disease, including but not limited to unstable angina, myocardial infarction within the past 6 months, congestive heart failure requiring treatment, or uncontrolled hypertension.\n* Active infectious diseases, including HIV, hepatitis B, or hepatitis C.\n* Immunosuppressed status, whether due to underlying disease or ongoing therapy.\n* History of significant bleeding disorders, including bleeding diathesis, thrombocytopenia, or coagulopathy.\n* Radiotherapy administered within 4 weeks prior to study enrollment.\n* Major surgical procedure, including for VHL-related tumors, within 4 weeks prior to study enrollment, or immediate need for surgical intervention for tumor management.\n* Malabsorption secondary to prior gastrointestinal surgery or active gastrointestinal disease.\n* Current use of concomitant medications known to interact with belzutifan and significantly alter its bioavailability.\n* Anticipated low adherence to or planned interruption of belzutifan therapy.","ALL","14 Years",{"count":20,"type":21},100,"ESTIMATED","INTERVENTIONAL",[24],"PHASE2","The BELIEVE-VHL Trial is a prospective real-life study designed to evaluate the therapeutic effects, benefits, and adverse effects of belzutifan, as well as the timing of treatment response and disease progression in patients with von Hippel-Lindau (VHL) syndrome.",[27,28,29,30,31,32,33,34],"Von Hippel Lindau","Von Hippel Lindau Disease","Von Hippel Lindau-Deficient Clear Cell Renal Cell Carcinoma","Hemangioblastoma (HB) of the Central Nervous System (CNS)","PNET","Retinal Angiomatous Proliferation","Pheochromocytoma\u002FParaganglioma","Endolymphatic Sac Tumor",[36,37,38,39,40],"Belzutifan","von Hippel-Lindau","Renal Cell Clear Carcinoma","Hemangioblastoma of Central Nervous System","Pharmacogenetics","RECRUITING","2025-09-09",{"date":44,"type":45},"2025-09-11","ACTUAL",{"date":47,"type":45},"2024-01-01",{"date":49,"type":21},"2030-01-01",{"name":51,"class":52},"José Claudio Casali da Rocha","OTHER"]