CI

At a glance

ClinicalIndex Comparison Record
Phase 3Recruiting· 120 target
Drug / intervention
Nipocalimab +1 moredrug
Likely dose
Not stated in record
Key inclusion· 6
  • Pregnant with gestational age 13+0/7 to 18+6/7 weeks at randomization
  • History of severe HDFN in prior pregnancy (fetal anemia, hydrops, ≥1 IUT, or fetal loss/neonatal death)
  • Prior pregnancy alloantibody titers above critical levels (anti-Kell ≥4; others ≥16) with antigen-positive fetus
  • Current pregnancy maternal alloantibody (RhD, Kell, Rhc, RhE, RhC) with titers above critical level
Key exclusion· 13
  • Multiple gestation (twins or more)
  • Evidence of fetal anemia prior to randomization in current pregnancy
  • History of severe preeclampsia before GA 34 or severe fetal growth restriction in prior pregnancy
  • Current uncontrolled hypertension

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05912517
NCT05912517Phase 3RecruitingHigh Momentum

A Phase 3 Randomized, Placebo-Controlled, Double-Blind, Multicenter Study to Evaluate the Efficacy and Safety of Nipocalimab in Pregnancies at Risk for Severe Hemolytic Disease of the Fetus and Newborn (HDFN)

Janssen Research & Development, LLC·interventional·Posted Jun 22, 2023·Updated Jun 5, 2026

In Brief

A Phase 3 clinical trial evaluating Nipocalimab and Placebo for Hemolytic Disease of the Fetus and Newborn. Currently recruiting, targeting 120 participants across 62 sites in 17 countries.

Signals

Enrolling ahead of pace

Detailed Summary

The purpose of this study is to assess the effectiveness of nipocalimab when compared to placebo in decreasing the risk of fetal anemia (a condition in which a baby's red blood cell volume falls below normal levels while the baby is developing in the womb) with live neonates in pregnant participants at risk for severe hemolytic disease of the fetus and newborn.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesArgentina, Australia, Austria, Belgium, Brazil, Canada, France, Germany, Ireland, Israel, Italy, Japan, Netherlands, Spain, Sweden, United Kingdom, United States
Collaborators--

Timeline

Phase 3Recruiting
202420252026202720282029
First PostedJun 22, 2023
Enrollment StartDec 20, 2023
Primary CompletionAug 5, 2027
Study CompletionOct 8, 2029
TodayJul 2, 2026
Enrollment to primary: 3.6 yearsPosted 3.0 years agoPrimary completion in 1.1 years

Arms & Interventions

Nipocalimabexperimental

Participants will receive nipocalimab intravenously (IV) once weekly (qw) from randomization through gestational age (GA) Week 35.

Drug: Nipocalimab
Placeboplacebo_comparator

Participants will receive matching placebo IV qw from randomization through GA Week 35.

Drug: Placebo

Interventions

Nipocalimabdrug

Nipocalimab will be administered as an intravenous infusion.

Placebodrug

Placebo will be administered as an intravenous infusion.