NCT00060541 2026-03-10Evaluation and Treatment of Neurosurgical DisordersNational Institutes of Health Clinical Center (CC)Recruiting5,000 enrolled
NCT07205978 2025-10-03NUTPOOLInstitut Investigacio Sanitaria Pere VirgiliNot yet recruiting1,000,000 enrolled
NCT04031469 2025-07-31A Non-Interventional Pilot Study to Explore the Role of Gut Flora in DiseaseProgenaBiomeSuspended1,000 enrolled