Clinical trials

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Search and review clinical trials. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

Aspirin Dose Escalation for the Prevention of Recurrent Preterm Delivery Trial

This is a phase-III multi-center double-blind randomized clinical trial of 1,800 individuals with a history of prior preterm birth at less than 35 weeks gestation who are randomized to either 162 mg aspirin or 81 mg aspirin daily. The study drug will be initiated between 10 and 15 weeks gestation and continued through 36 weeks, 6 days gestation. The primary endpoint is recurrent preterm delivery or fetal death prior to 35 weeks, 0 days gestation.

Participants needed: 1,800
Trial details
Phase: Phase 3Age: 14+Biological sex: FemaleType: InterventionalSponsor: The George Washington University Biostatistics CenterUpdated: Apr 9, 2026Locations: 14
Eligibility criteria

14 years or older [+5]

Known allergy or hypersensitivity to aspirin or any medical condition where aspi... [+17]

Status: Recruiting

Azithromycin Prophylaxis for PRElabor CEsarean DElivery Trial

This is a phase-III multi-center double-blind randomized controlled trial of 8,000 individuals undergoing a scheduled or prelabor cesarean delivery who are randomized to either adjunctive azithromycin prophylaxis or to placebo. Both groups also will receive standard of care preoperative antibiotics (excluding azithromycin). The primary endpoint is a maternal infection composite defined as any one of the following up to 6 weeks postpartum: endometritis, wound infection, abscess, septic thrombosis, sepsis, pneumonia, pyelonephritis and breast infection.

Participants needed: 8,000
Trial details
Phase: Phase 3Biological sex: FemaleType: InterventionalSponsor: The George Washington University Biostatistics CenterUpdated: Apr 9, 2026Locations: 14
Eligibility criteria

≥ 23 weeks' gestation (ACOG dating criteria) [+2]

Allergy or contraindication to azithromycin or macrolide antibiotics, including... [+11]

Status: Recruiting

Continuous Positive Airway Pressure (CPAP) for Sleep Apnea in Pregnancy

A randomized controlled trial of 1,500 women to assess whether treatment of obstructive sleep apnea with continuous positive airway pressure (CPAP) in pregnancy will result in a reduction in the rate of hypertensive disorders of pregnancy.

Participants needed: 1,500
Trial details
Age: 18+Biological sex: FemaleType: InterventionalSponsor: The George Washington University Biostatistics CenterUpdated: Apr 6, 2026Locations: 14
Eligibility criteria

Singleton gestation. Twin gestation reduced to singleton, either spontaneously o... [+2]

Previously prescribed, current or planned therapy for sleep apnea. [+17]