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Opportunistic Infections clinical trials recruiting in the U.S.
7 studies for Opportunistic Infections are recruiting participants at sites across the United States.
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Recently updated studies
Pilot Trial of Allogeneic Blood or Marrow Transplantation for Primary Immunodeficiencies
RecruitingPhase 2Healthy volunteers welcome
Ages 4 to 75 · All sexes · Updated Sep 28, 2026 · NCT02579967Allogeneic Hematopoietic Stem Cell Transplant for Patients With Inborn Errors of Immunity
RecruitingPhase 2
Ages 4 to 69 · All sexes · Updated Sep 28, 2026 · NCT04339777Etiology, Pathogenesis, and Natural History of Idiopathic CD4+ Lymphocytopenia
RecruitingObservational studyHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Aug 31, 2026 · NCT00867269Clinical and Immunologic Monitoring of Patients With Known or Suspected HIV Infection
RecruitingObservational study
Ages 18 and older · All sexes · Updated Aug 27, 2026 · NCT00789009A Single-arm, Dose-escalation Trial of Long-acting Recombinant Human IL-7 (NT-I7, Efineptakin Alfa) for Idiopathic CD4 Lymphopenia
RecruitingPhase 1/2
Ages 18 to 75 · All sexes · Updated Jul 24, 2026 · NCT05600920Antigen Specific Adoptive T Cell Therapy for Adenovirus Infection After Hematopoietic Stem Cell Transplantation
RecruitingEarly phase 1
3 Months · All sexes · Updated Jun 4, 2026 · NCT03378102T Cell Therapy of Opportunistic Cytomegalovirus Infection
RecruitingEarly phase 1
3 Months · All sexes · Updated Oct 22, 2025 · NCT02982902From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.