Actively Recruiting

FEMALE
NCT06299748

A Worldwide Pregnancy Safety Study to Assess Maternal, Fetal, and Infant Outcomes Following Exposure to Efgartigimod During Pregnancy and/or Breastfeeding.

Led by argenx · Updated on 2026-02-17

279

Participants Needed

4

Research Sites

522 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This is a multi-country, prospective safety study of pregnant women exposed to efgartigimod or efgartigimod PH20 SC any time within 25 days prior to conception or any time during pregnancy. Women exposed to efgartigimod or efgartigimod PH20 SC only during breastfeeding will also be eligible to enroll. Background rates of major congenital malformations (MCMs) will be obtained from populations within the same countries/regions as the countries/regions in which the efgartigimod or efgartigimod PH20 SC exposed pregnancies were reported.

CONDITIONS

Official Title

A Worldwide Pregnancy Safety Study to Assess Maternal, Fetal, and Infant Outcomes Following Exposure to Efgartigimod During Pregnancy and/or Breastfeeding.

Who Can Participate

FEMALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Women exposed to efgartigimod or efgartigimod PH20 SC anytime within 25 days before conception, during pregnancy, or during breastfeeding
  • Ability to provide written or verbal informed consent or eConsent; for adolescents under age of majority, assent or eConsent by the pregnant minor and consent by parent/legal guardian as applicable
Not Eligible

You will not qualify if you...

History of severe allergic reactions to study medication Currently pregnant or breastfeeding Recent participation in another clinical trial within the last 30 days Presence of uncontrolled medical conditions that could affect safety

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 4 locations

1

United BioSource LLC

Morgantown, West Virginia, United States, 26508

Actively Recruiting

2

Klinikum der Ruhr-Universität Bochum St. Josef Hospital Neurologische Interdisziplinäre Infusionsambulanz + MS Studienambulanz (Haus E Ebene1)

Bochum, Germany, 44791

Actively Recruiting

3

Fondazione Policlinico Universitario Agostino Gemelli IRCCS

Roma, Italy, 00168

Actively Recruiting

4

Hospital Universitari Vall d'Hebron

Barcelona, Spain, 08035

Actively Recruiting

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Research Team

S

Sabine Coppieters, MD

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

2

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