RecruitingNot a traditional drug phaseWashington D.C., District of Columbia
Natural History of Sickle Cell DiseaseThis study is not a treatment protocol and no experimental treatments are involved. Study participants may be seen as needed for clinical, translational and basic research studies, or as medically indicated.
NCT00081523 · Official ClinicalTrials.gov record · National Heart, Lung, and Blood Institute (NHLBI)
RecruitingNot a traditional drug phaseBethesda, Maryland
Natural History Study of Biomarkers in Pulmonary Arterial HypertensionBackground: \- High blood pressure in the lungs, known as pulmonary arterial hypertension (PAH), is a rare disorder. Some people have disease-associated PAH and some have PAH from an unknown cause.
NCT01730092 · Official ClinicalTrials.gov record · National Institutes of Health Clinical Center (CC)
RecruitingNot a traditional drug phaseSioux Falls, South Dakota
Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at SanfordThe Coordination of Rare Diseases at Sanford (CoRDS) is an international patient registry that serves as a centralized resource for rare disease research. Individuals affected by rare diseases, undiagnosed conditions, and disorders of unknown prevalence may voluntarily contribute health information to support natural history studies, participant recruitment, and other research efforts.
NCT01793168 · Official ClinicalTrials.gov record · Sanford Health