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Antiphospholipid Syndrome clinical trials recruiting in the U.S.
6 studies for Antiphospholipid Syndrome are recruiting participants at sites across the United States.
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Recently updated studies
Daratumumab in Primary Antiphospholipid Syndrome
RecruitingPhase 1/2
Ages 18 to 65 · All sexes · Updated Sep 16, 2026 · NCT05671757Phase 1b Trial of RAY121 in Immunological Diseases (RAINBOW Trial)
RecruitingPhase 1
Ages 18 to 85 · All sexes · Updated Jul 22, 2026 · NCT06371417Genetic Risk Factors Associated With Antiphospholipid Antibody Syndrome
RecruitingObservational study
All ages · All sexes · Updated May 29, 2026 · NCT00482794Predictors of Pregnancy Outcome in Systemic Lupus Erythematosus (SLE) and Antiphospholipid Syndrome (APS)
RecruitingObservational studyHealthy volunteers welcome
Ages 18 to 45 · Women · Updated Apr 28, 2026 · NCT00198068Rheumatology Patient Registry and Biorepository
RecruitingObservational studyHealthy volunteers welcome
Ages 18 to 99 · All sexes · Updated Feb 13, 2026 · NCT04402086Register for Pediatric Patients With Antiphospholipid Syndrome (APS): European Project Extended Internationally Study
RecruitingObservational study
1 Minute – 18 Years · All sexes · Updated Dec 5, 2025 · NCT00616317From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.