A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose
NCT06866405
This study is recruiting at 80 US sites in 21 states, according to its ClinicalTrials.gov record last updated .
Summary
This study aims to check how safe and well-tolerated a second dose of RSVpreF is when given during later pregnancies, and to see how long the immunity lasts from a single dose given during a previous pregnancy by examining the blood of nonpregnant participants who had the vaccine before.
Shortened from the sponsor's brief summary. View official record on ClinicalTrials.gov
Conditions studied
- RSV Infection
Eligibility basics and study details
- Study type
- Interventional
- Phase
- Phase 3
- Ages
- 0 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Sponsor
- Pfizer
- Last updated on ClinicalTrials.gov
- October 14, 2026
These are the basic criteria only. The full inclusion and exclusion criteria are on the official record, and the study team decides who can take part.
US recruiting sites
Alabama · 6
- Center for Research in Women's Health · Birmingham, AL
- Children's of Alabama · Birmingham, AL
- University of Alabama at Birmingham - School of Medicine · Birmingham, AL
- University of Alabama at Birmingham Women & Infants Center · Birmingham, AL
- USA Health Children's and Women's Hospital · Mobile, AL
- USA Health Strada Patient Care Center · Mobile, AL
Arizona · 1
- ClinMed, LLC · Phoenix, AZ
California · 10
- Ronald Reagan UCLA Medical Center · Los Angeles, CA
- Ronald Reagan UCLA Medical Center · Los Angeles, CA
- Ronald Reagan UCLA Medical Center (inpatient hospital) · Los Angeles, CA
- UCLA · Los Angeles, CA
- UCLA (outpatient clinic) · Los Angeles, CA
- UCLA Clinical and Translational Research Center (research clinic) · Los Angeles, CA
- Lucile Packard Children's Hospital-Labor and Delivery Unit · Palo Alto, CA
- Stanford Obstetrics Clinic · Palo Alto, CA
- Stanford University · Palo Alto, CA
- Stanford University Medical Center · Palo Alto, CA
Colorado · 7
- Anschutz Health Sciences Building (AHSB) · Aurora, CO
- Children's Hospital Colorado · Aurora, CO
- CU Research Pharmacy · Aurora, CO
- University of Colorado AO1 UCH · Aurora, CO
- University of Colorado Hospital Inpatient Pavilion · Aurora, CO
- University of Colorado Hospital Outpatient Pavilion · Aurora, CO
- University of Colorado Research II Building · Aurora, CO
Florida · 4
- Citadelle Clinical Research · North Miami Beach, FL
- Emerald Coast OBGYN Clinical Research · Panama City, FL
- Emerald Coast Pediatrics · Panama City, FL
- HCA Florida Gulf Coast Hospital · Panama City, FL
Idaho · 6
- Advanced Specialty Research · Boise, ID
- Saint Alphonsus Regional Medical Center · Boise, ID
- St. Luke's Boise Medical Center · Boise, ID
- Clinical Research Prime · Idaho Falls, ID
- Saint Alphonsus Medical Center · Nampa, ID
- St. Luke's Nampa Medical Center · Nampa, ID
Iowa · 3
- Accellacare - McFarland · Ames, IA
- Mary Greeley Medical Center · Ames, IA
- McFarland Clinic, PC · Ames, IA
Kansas · 1
- University of Kansas Medical Center · Kansas City, KS
Louisiana · 1
- Velocity Clinical Research - New Orleans · New Orleans, LA
Massachusetts · 1
- Boston Medical Center · Boston, MA
Mississippi · 1
- Velocity Clinical Research, Gulfport · Gulfport, MS
Montana · 7
- Boeson Research GTF · Great Falls, MT
- OBGYN Associates · Great Falls, MT
- Boeson Research KAL · Kalispell, MT
- Heart & Hands Midwifery · Kalispell, MT
- Boeson Research Laboratory · Missoula, MT
- Boeson Research MSO · Missoula, MT
- Origin Health · Missoula, MT
Nebraska · 2
- Velocity Clinical Research, Grand Island · Grand Island, NE
- Velocity Clinical Research, Norfolk · Norfolk, NE
New Mexico · 4
- Lovelace Women's Hospital · Albuquerque, NM
- Presbyterian Hospital · Albuquerque, NM
- UNM Hospital · Albuquerque, NM
- Velocity Clinical Research, Albuquerque · Albuquerque, NM
North Carolina · 2
- Duke University - Main Hospital and Clinics · Durham, NC
- Duke University - Main Hospital and Clinics · Durham, NC
Ohio · 1
- Cincinnati Children's Hospital Medical Center · Cincinnati, OH
South Carolina · 2
- Prisma Health Maternal Fetal Medicine · Greenville, SC
- Prisma Health OBGYN Center · Greenville, SC
Texas · 5
- Memorial Hermann Memorial City Hospital · Houston, TX
- The University of Texas Health Science Center at Houston · Houston, TX
- Helios Clinical Research - WEA · Weatherford, TX
- Medical City Weatherford · Weatherford, TX
- Weatherford OB/GYN Associates · Weatherford, TX
Utah · 5
- University of Utah · Salt Lake City, UT
- University of Utah · Salt Lake City, UT
- University of Utah Clinical Neuroscience Center · Salt Lake City, UT
- University of Utah Madsen Health Center - Women's Health · Salt Lake City, UT
- University of Utah Obstetrics and Gynecology Research Offices · Salt Lake City, UT
Virginia · 7
- Sentara Leigh Hospital · Norfolk, VA
- The Group For Women - Kempsville Office · Norfolk, VA
- Tidewater Physicians for Women · Norfolk, VA
- WomensCare Center · Norfolk, VA
- Virginia Physicians For Women (VPFW) · North Chesterfield, VA
- Clinical Research Partners, LLC · Richmond, VA
- Infusion Solutions, LLC · Richmond, VA
Washington · 4
- Seattle Children's Hospital · Seattle, WA
- Seattle Children's Research Institute · Seattle, WA
- University of Washington - Northwest · Seattle, WA
- University of Washington Medical Center - Montlake · Seattle, WA
Source: ClinicalTrials.gov, data processed . Recruiting US sites filtered by distance and site status; summaries shortened.