Blood Lymphocytes in Asthmatics Treated With Therapeutic Proteins
Public ClinicalTrials.gov record NCT04514926. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is an observational, clinic-based, single center study of 120 subjects. Participants will be comprised of patients seen in the outpatient faculty practice in ambulatory care at the UCSF Parnassus campus. Study investigators will enroll 20 healthy participants with no history of lung disease, 50 asthmatics who are newly prescribed therapeutic proteins for their asthma, and 50 asthmatics already being treated with therapeutic proteins for their asthma. Participants will be seen at 1 to 3 visits and provide blood samples at each visit.
Study identification
- NCT ID
- NCT04514926
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 62 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 18 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 1, 2020 (Actual)
- Primary completion
- May 26, 2023 (Actual)
- Completion
- May 26, 2023 (Actual)
- Last update posted
- Jul 30, 2025
2020 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California, San Francisco | San Francisco | California | 94143 | — |
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 NCT04514926, 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 Jul 30, 2025 · Synced Oct 8, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04514926 live on ClinicalTrials.gov.