Comparing Risk and Severity of IRRs in Patients Premedicated With Cetirizine vs. Diphenhydramine Prior to Ocrelizumab
Public ClinicalTrials.gov record NCT04175834. 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
Comparing the Risk and Severity of Infusion-Related Reactions in Patients Premedicated With Cetirizine Versus Diphenhydramine Prior to Ocrelizumab Infusions
Study identification
- NCT ID
- NCT04175834
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Providence Health & Services
- Other
- Enrollment
- 19 participants
Conditions and interventions
Conditions
Interventions
- cetrizine Drug
- diphenhydramine Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 70 Years
- Sex
- All
- 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
- Feb 4, 2020
- Primary completion
- May 12, 2022
- Completion
- May 12, 2022
- Last update posted
- Mar 3, 2024
2020 – 2022
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Providence Neurological Specialties West | Portland | Oregon | 97225 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04175834, 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 Mar 3, 2024 · Synced Jun 26, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04175834 live on ClinicalTrials.gov.