New study checks immune cells in babies after MS drug use in pregnancy
NCT ID NCT04998812
First seen Nov 01, 2025 · Last updated Jun 17, 2026 · Updated 33 times
Summary
This study looked at 70 pregnant women with multiple sclerosis or clinically isolated syndrome who took ocrelizumab before or during early pregnancy. Researchers measured B cell levels in their infants to see if the drug passed through the placenta. The goal was to understand the safety and effects on the baby's immune system.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Hopital Pierre Wertheimer - Hopital Neurologique
Bron, 69003, France
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Hosp. Clinico San Carlos
Madrid, 28040, Spain
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Hospital of the University of Pennsylvania
Philadelphia, Pennsylvania, 19104, United States
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Hôpital de la Pitié Salpétrière
Paris, 75013, France
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Inselspital Bern
Bern, 3010, Switzerland
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MultipEL Studies - Institut für klinische Studien
Hamburg, 22179, Germany
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St. Josef Hospital GmbH
Bochum, 44791, Germany
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The Ken and Ruth Davee department of Neurology
Chicago, Illinois, 60611-4296, United States
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University Of Colorado
Aurora, Colorado, 80045, United States
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University of California San Francisco
San Francisco, California, 94158, United States
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Universitätsspital Basel
Basel, 4031, Switzerland
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.