Using ravulizumab to treat severe preeclampsia in pregnant women

Clinical Trial on the Use of Ravulizumab in Pregnancies Complicated by Severe Hypertensive Disorders

Phase 2 Interventional Mayo Clinic · NCT06333652

This study is testing if the medication ravulizumab can help pregnant women with severe preeclampsia and HELLP syndrome feel better and stay safe.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment14 (estimated)
Ages18 Years to 50 Years
SexFemale
SponsorMayo Clinic Academic / other
Drugs / interventionsRavulizumab
Locations1 site (Rochester, Minnesota)
Trial IDNCT06333652 on ClinicalTrials.gov

What this trial studies

This clinical trial is investigating the efficacy of ravulizumab, a medication, in treating severe preeclampsia and HELLP syndrome in pregnant women who are less than 34 weeks gestation. The study aims to assess the safety and effectiveness of this intervention in managing these serious pregnancy complications. Participants will be closely monitored for improvements in their condition and any potential side effects from the treatment.

Who should consider this trial

Good fit: Ideal candidates for this study are pregnant women under 34 weeks of gestation diagnosed with severe preeclampsia or HELLP features.

Not a fit: Patients with conditions such as disseminated intravascular coagulopathy, non-viable fetuses, or those requiring immediate delivery will not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly improve outcomes for pregnant women suffering from severe preeclampsia and HELLP syndrome.

How similar studies have performed: While this approach is novel in the context of severe preeclampsia, similar studies using targeted therapies for pregnancy-related complications have shown promise.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Individuals with \< 34 0/7 weeks of gestation.
* Individuals with severe preeclampsia or HELLP features.

Exclusion Criteria:

* Pregnant female patients presenting with disseminated intravascular coagulopathy (DIC).
* Individuals with non-reassuring fetal status requiring delivery, non-viable fetuses, previable pregnancy (\<23 0/7 weeks gestation), stroke, in utero fetal demise, known atypical hemolytic uremic syndrome, familial or acquired thrombocytopenia purpura, paroxysmal nocturnal hemoglobinuria, allergy to Ravulizumab, inability or unwillingness to sign informed consent.

Where this trial is running

Rochester, Minnesota

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions PreeclampsiaHemolysisElevated Liver enzymesLow Platelets
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.