A Study of BLB-201 RSV Vaccine in Infants and Children
Public ClinicalTrials.gov record NCT05655182. 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 1/2a Trial of the Safety, Tolerability and Immunogenicity of PIV5-vectored RSV Vaccine (BLB-201) in RSV Seronegative and Seropositive Infants and Children
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This Phase 1/2a trial is a randomized, placebo-controlled trial to evaluate the safety, tolerability and immunogenicity of two ascending doses (10\^6 PFU and 10\^7 PFU) of intranasal BLB-201 (a recombinant parainfluenza virus type 5) administered in infants (8-24 months of age) and children (18-59 months of age) who may or may not have had prior respiratory syncytial virus (RSV) infection.
Study identification
- NCT ID
- NCT05655182
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Enrollment
- 137 participants
Conditions and interventions
Conditions
Interventions
- PIV5-vectored RSV Vaccine (BLB-201) Low Dose Biological
- PIV5-vectored RSV Vaccine (BLB-201) High Dose Biological
- Placebo Drug
Biological · Drug
Eligibility (public fields only)
- Age range
- 6 Months to 5 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 8, 2023
- Primary completion
- Dec 29, 2028
- Completion
- Dec 29, 2028
- Last update posted
- Jul 28, 2026
2023 – 2028
United States locations
- U.S. sites
- 16
- U.S. states
- 10
- U.S. cities
- 16
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Paradigm Clinical Research | La Mesa | California | 91942 | Recruiting |
| Paradigm Clinical Research - Modesto | Modesto | California | 95355 | Recruiting |
| University of California, San Diego | San Diego | California | 92123 | Recruiting |
| Paradigm Clinical Research Centers, LLC - Colorado, 1550 South Potomac Street, Suite 340 | Aurora | Colorado | 80012 | Recruiting |
| Velocity Clinical Research, Boise | Meridian | Idaho | 83642 | Recruiting |
| Clinical Research Prime | Rexburg | Idaho | 83440 | Recruiting |
| AMR Newton | Newton | Kansas | 67114 | Recruiting |
| Velocity Clinical Research - Lafayette | Lafayette | Louisiana | 70508 | Recruiting |
| Michigan Institute of Research | Allen Park | Michigan | 48101 | Recruiting |
| Velocity Clinical Research, Grand Island | Grand Island | Nebraska | 68803 | Recruiting |
| Be Well Clinical Studies | Lincoln | Nebraska | 68516 | Recruiting |
| Velocity Clinical Research, Cleveland | Beachwood | Ohio | 44122 | Recruiting |
| Cincinnati Children's Hospital Medical Center | Cincinnati | Ohio | 45229 | Recruiting |
| Tribe Clinical Research, LLC Parkside Pediatrics | Greenville | South Carolina | 29680 | Recruiting |
| Velocity Clinical Research, Austin | Cedar Park | Texas | 78613 | Recruiting |
| Baylor College of Medicine | Houston | Texas | 77030 | Recruiting |
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 NCT05655182, 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 28, 2026 · Synced Sep 9, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05655182 live on ClinicalTrials.gov.