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Opportunistic Infections clinical trials in Washington, DC
5 studies for Opportunistic Infections are looking for participants at sites in and around Washington (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
Etiology, Pathogenesis, and Natural History of Idiopathic CD4+ Lymphocytopenia
RecruitingObservational studyHealthy volunteers welcome
- National Institutes of Health Clinical Center, Bethesda · 7 mi away
Pilot Trial of Allogeneic Blood or Marrow Transplantation for Primary Immunodeficiencies
RecruitingPhase 2Healthy volunteers welcome
- National Institutes of Health Clinical Center, Bethesda · 7 mi away
Allogeneic Hematopoietic Stem Cell Transplant for Patients With Inborn Errors of Immunity
RecruitingPhase 2
- National Institutes of Health Clinical Center, Bethesda · 7 mi away
Clinical and Immunologic Monitoring of Patients With Known or Suspected HIV Infection
RecruitingObservational study
- National Institutes of Health Clinical Center, Bethesda · 7 mi away
A Single-arm, Dose-escalation Trial of Long-acting Recombinant Human IL-7 (NT-I7, Efineptakin Alfa) for Idiopathic CD4 Lymphopenia
RecruitingPhase 1/2
- National Institutes of Health Clinical Center, Bethesda · 7 mi away
Other studies in Washington
- Cancer (all types)58 studies
- Non-Small Cell Lung Cancer55 studies
- Breast Cancer46 studies
- Metastatic Cancer43 studies
- Lung Cancer41 studies
- Prostate Cancer38 studies
- Obesity33 studies
- Colorectal Cancer29 studies
- Cardiovascular Disease28 studies
- Bladder Cancer26 studies
- Acute Myeloid Leukemia24 studies
- Ovarian Cancer23 studies
From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.