A Study Evaluating B Cell Levels In Infants Potentially Exposed To Ocrelizumab During Pregnancy
Public ClinicalTrials.gov record NCT04998812. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase IV Multicenter, Open-Label Study Evaluating B Cell Levels In Infants Potentially Exposed To Ocrelizumab During Pregnancy
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study will evaluate the potential placental transfer of ocrelizumab in pregnant women with clinically isolated syndrome (CIS) or multiple sclerosis (MS) \[in line with the locally approved indications\] whose last dose of ocrelizumab was administered any time from 6 months before the last menstrual period (LMP) through to the first trimester (up to gestational week 13) of pregnancy, and the corresponding pharmacodynamic effects (B cell levels) in the infant.
Study identification
- NCT ID
- NCT04998812
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 70 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 40 Years
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 12, 2022
- Primary completion
- Apr 7, 2024
- Completion
- Jul 13, 2025
- Last update posted
- Apr 14, 2026
2022 – 2025
United States locations
- U.S. sites
- 4
- U.S. states
- 4
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California San Francisco | San Francisco | California | 94158 | — |
| University Of Colorado | Aurora | Colorado | 80045 | — |
| The Ken and Ruth Davee department of Neurology | Chicago | Illinois | 60611-4296 | — |
| Hospital of the University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 7 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04998812, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 14, 2026 · Synced Sep 7, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04998812 live on ClinicalTrials.gov.