NCT06333652

Brief Summary

The researchers are testing a medication named ravulizumab for the treatment of severe preeclampsia and Hemolysis, Elevated Liver enzymes, Low Platelets (HELLP) syndrome.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
14

participants targeted

Target at below P25 for phase_2

Timeline
28mo left

Started Sep 2026

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 20, 2024

Completed
7 days until next milestone

First Posted

Study publicly available on registry

March 27, 2024

Completed
2.4 years until next milestone

Study Start

First participant enrolled

September 1, 2026

Expected
2.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2028

Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2028

Last Updated

April 28, 2026

Status Verified

April 1, 2026

Enrollment Period

2.3 years

First QC Date

March 20, 2024

Last Update Submit

April 23, 2026

Conditions

Keywords

HemolysisElevated Liver enzymesLow Platelets

Outcome Measures

Primary Outcomes (1)

  • Alternative Complement Pathway Biomarkers at time of delivery

    Concentration in serum of biomarkers: sMAC, Bb, and C5 at time of delivery

    Baseline

Secondary Outcomes (4)

  • Pregnancy duration

    Approximately 40 weeks

  • Clinical biomarkers of severe features of preeclampsia and HELLP syndrome

    72 hours after Ravulizumab infusion

  • Hospitalization length in the postpartum period

    Approximately 3-5 days, it may vary

  • Meningococcal infection after use of ravulizumab

    72 hours up to 3 weeks after Ravulizumab infusion

Study Arms (1)

Revulizumab Treatment

EXPERIMENTAL

Subjects will receive an single-dose infusion of Ravulizumab.

Drug: Ravulizumab

Interventions

Intravenous infusion 100 mg/ml

Also known as: Ultomiris
Revulizumab Treatment

Eligibility Criteria

Age18 Years - 50 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

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

You may not qualify if:

  • 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.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Mayo Clinic Minnesota

Rochester, Minnesota, 55905, United States

RECRUITING

Related Links

MeSH Terms

Conditions

Pre-EclampsiaHemolysis

Interventions

ravulizumab

Condition Hierarchy (Ancestors)

Hypertension, Pregnancy-InducedPregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Maria Lourdes Gonzalez Suarez, MD, PhD

    Mayo Clinic

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Gonzalez Suarez

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

March 20, 2024

First Posted

March 27, 2024

Study Start (Estimated)

September 1, 2026

Primary Completion (Estimated)

December 31, 2028

Study Completion (Estimated)

December 31, 2028

Last Updated

April 28, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will not share

Locations