Drugs / RSVpreF

Regulatory milestones approvals, filings & regulatory actions · 2 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed Japan (PMDA) — RSV prevention in infants —

“application was filed with the Ministry of Health, Labor and Welfare for RSVPreF as a maternal immunization to help protect infants against RSV.” pfizer.com ↗

“In February 2023, Pfizer Japan announced an application was filed with the Ministry of Health, Labor and Welfare for RSVpreF” pfizer.com ↗

Filed Other — RSV prevention in older adults and infants —

“In April 2023, Pfizer Canada announced Health Canada accepted RSVpreF for review for both individuals ages 60 and older and as a maternal immunization” pfizer.com ↗

“In April 2023, Pfizer Canada announced Health Canada accepted RSVpreF for review for both individuals ages 60 and older and as a maternal immunization” pfizer.com ↗

Trials 23

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 12 trials
Phase 1 NCT05900154 Jun 2023 → Feb 2024 respiratory syncytial virus infectious disease Pfizer Completed No outcome recorded
Phase 1 NCT05788237 Mar → Sep 2023 — Pfizer Completed No outcome recorded
Phase 25 trials · 2 met primary
Phase 2 NCT05886777 Jun 2023 → Jan 2024 — Pfizer Completed Met primary
Phase 2 NCT04785612 Nov 2020 → Apr 2021 respiratory syncytial virus infectious disease Hvivo Completed Met primary
Phase 2 NCT04071158 Oct → Dec 2019 respiratory tract infectious disorder Pfizer Completed Mixed
Phase 2 NCT04032093 Aug 2019 → Sep 2021 respiratory tract infectious disorder Pfizer Completed No outcome recorded
Phase 2 NCT03529773 Apr 2018 → Nov 2019 respiratory tract infectious disorder Pfizer Completed No outcome recorded
Phase 314 trials · 5 met primary
Phase 3 NCT07839871 Sep 2026 → Apr 2031 expected respiratory syncytial virus infectious disease Pfizer Not yet recruiting No outcome recorded
Phase 3 NCT07768345 Aug 2026 → Feb 2028 expected respiratory syncytial virus infectious disease Pfizer Recruiting No outcome recorded
Phase 3 NCT07653100 Jun 2026 → Jan 2027 expected respiratory syncytial virus infectious disease Pfizer Recruiting No outcome recorded
Phase 3 NCT07543380 May → Aug 2026 respiratory syncytial virus infectious disease Pfizer Completed No outcome recorded
Phase 3 NCT06866405 Apr 2025 → Feb 2028 expected respiratory syncytial virus infectious disease Pfizer Recruiting No outcome recorded
Phase 3 NCT06890416 Apr → Sep 2025 respiratory syncytial virus infectious disease Pfizer Completed No outcome recorded
Phase 3 NCT06593587 Oct 2024 → Feb 2025 respiratory syncytial virus infectious disease Pfizer Completed No outcome recorded
Phase 3 NCT06473519 Jun → Sep 2024 respiratory syncytial virus infectious disease Pfizer Completed Met primary
Phase 3 NCT06325657 Mar 2024 → Jun 2025 respiratory syncytial virus infectious disease Pfizer Completed No outcome recorded
Phase 3 NCT05842967 May 2023 → Mar 2024 respiratory syncytial virus infectious disease Pfizer Completed Met primary
Phase 42 trials
Phase 4 NCT07693166 Sep 2026 → Sep 2027 expected HIV infectious disease, respiratory syncytial virus infectious disease University of British Columbia Not yet recruiting No outcome recorded
Phase 4 NCT07296120 Jan 2026 → Jan 2027 expected respiratory syncytial virus infectious disease The Cooper Health System Not yet recruiting No outcome recorded
Comparator or background therapy2 trials
Phase 3 NCT07819097 Comparator Sep 2026 → May 2027 expected — Pfizer Recruiting No outcome recorded
Phase 4 NCT07097012 Comparator Oct 2025 → Jul 2026 overdue respiratory syncytial virus infectious disease Canadian Immunization Research Network Recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 18

DateIssuerRelease
2025-10-13 Pfizer Results Pfizer to Highlight Advancements in Respiratory Health and Infectious Disease Research at IDWeek 2025 pfizer.com ↗
Bivalent RSV Prefusion F-Based Subunit Vaccine Recipients with Chronic Kidney Disease Achieved High Neutralizing Titers One Month After Vaccination
2025-04-16 Pfizer Regulatory ACIP Votes to Expand Recommendation for Pfizer’s RSV Vaccine ABRYSVO® to Include Adults Aged 50 to 59 at Increased Risk of Disease pfizer.com ↗
With respect to ABRYSVO, ACIP stated: ACIP recommends adults 50–59 years of age who are at increased risk of severe RSV disease receive a single dose of RSV vaccine.
2025-04-01 Pfizer Regulatory European Commission Approves Pfizer’s RSV Vaccine ABRYSVO® to Help Protect Adults Aged 18-59 Against RSV Lower Respiratory Tract Disease pfizer.com ↗
This expands the previous authorization for individuals aged 60 and older, and ABRYSVO now offers in the EU the broadest RSV vaccine indication, which includes:
2024-10-22 Pfizer Regulatory U.S. FDA Approves Pfizer’s RSV Vaccine ABRYSVO® for Adults Aged 18 to 59 at Increased Risk for Disease pfizer.com ↗
2024-04-09 Pfizer Results Pfizer Announces Positive Top-Line Results from Phase 3 Study of ABRYSVO® in Adults Aged 18 to 59 at Increased Risk for RSV Disease pfizer.com ↗
Pfizer Inc. (NYSE: PFE) today announced positive top-line immunogenicity and safety data from the ongoing pivotal Phase 3 clinical trial ( NCT05842967 ) MONeT (RSV I M munizati ON Study for Adul T s at Higher Risk of Severe Illness), evaluating a single dose of ABRYSVO versus placebo in adults 18 to 59 years of age at risk of developing severe respiratory syncytial virus (RSV)-associated lower respiratory tract disease (LRTD).
2023-10-05 Pfizer Results Pfizer Presents New Data at IDWeek 2023 Highlighting Advances in Prevention and Treatment of Certain Respiratory Illnesses and Other Infectious Diseases pfizer.com ↗
Eight abstracts have been selected for oral presentation, including data on the successful coadministration of ABRYSVO with an influenza vaccine in older adults and results from the Phase 3 REVISIT study of Pfizer’s investigational antibiotic combination aztreonam-avibactam (ATM-AVI) candidate.
2023-09-22 Pfizer Regulatory Pfizer Broadens Portfolio of Respiratory Vaccines Recommended by CDC Advisory Committee with ABRYSVO™ for RSV pfizer.com ↗
ABRYSVO recommended by CDC Advisory Committee for pregnant persons 32 through 36 weeks gestation to help protect infants from respiratory syncytial virus (RSV) from birth through first six months of life
2023-08-24 Pfizer Regulatory European Commission Approves Pfizer’s ABRYSVO™ to Help Protect Infants through Maternal Immunization and Older Adults from RSV pfizer.com ↗
Pfizer Inc. (NYSE: PFE) announced today that the European Commission (EC) has granted marketing authorization for ABRYSVO ™ , the company’s bivalent respiratory syncytial virus (RSV) prefusion F (RSVpreF) vaccine, to help protect both infants through maternal immunization and older adults.
2023-08-21 Pfizer Regulatory U.S. FDA Approves ABRYSVO™, Pfizer’s Vaccine for the Prevention of Respiratory Syncytial Virus (RSV) in Infants Through Active Immunization of Pregnant Individuals 32-36 Weeks of Gestational Age pfizer.com ↗
Pfizer Inc. (NYSE: PFE) announced today that the U.S. Food and Drug Administration (FDA) has approved ABRYSVO™ ( Respiratory Syncytial Virus Vaccine ), the company’s bivalent RSV prefusion F (RSVpreF) vaccine, for the prevention of LRTD and severe LRTD caused by RSV in infants from birth up to six months of age by active immunization of pregnant individuals at 32 through 36 weeks gestational age.
2023-05-31 Pfizer Regulatory U.S. FDA Approves ABRYSVO™, Pfizer’s Vaccine for the Prevention of Respiratory Syncytial Virus (RSV) in Older Adults pfizer.com ↗
2023-05-18 Pfizer Regulatory FDA Advisory Committee Votes in Support of Approval for Pfizer’s Vaccine Candidate to Help Prevent RSV in Infants Through Maternal Immunization pfizer.com ↗
The Committee voted 14 to 0 on effectiveness and 10 to 4 on safety.
2023-02-28 Pfizer Regulatory Pfizer Receives Positive FDA Advisory Committee Votes Supporting Potential Approval for Vaccine Candidate to Help Combat RSV in Older Adults pfizer.com ↗
The Committee voted 7 to 4 on safety and 7 to 4 on effectiveness.

All press releases naming this drug 20 releases

DateIssuerRelease

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 27 sources stand behind the page.

FieldValueCited text
Known as RSVPreF “The efficacy, immunogenicity, and safety of a bivalent RSV prefusion F protein-based (RSVpreF) vaccine in pregnant women and their infants are uncertain.” PMID 35476650 ↗ Apr 2022
25

“This phase 1/2 study evaluated a bivalent prefusion F vaccine (RSVpreF) with antigens from RSV subgroups A and B.” PMID 34932102 ↗ Apr 2022

“RSVpreF and HZ/su vaccine when given together in adults 50 years of age and older” NCT06890416 ↗

“The RSVpreF vaccine will be administered according to the Product Monograph.” NCT07097012 ↗

“RSV stabilized prefusion F subunit vaccine (RSVpreF)” PMID 34637519 ↗ Jun 2022

“Biological: RSVPreF” NCT04785612 ↗

NCT06593587 ↗

NCT05788237 ↗

NCT07693166 ↗

NCT05301322 ↗

NCT07653100 ↗

Show 15 more sources

Known as Abrysvo “Cohort 2- Pregnant participants who received the RSVpreF in a previous pregnancy, either through commercial means with Abrysvo® or as part of a Pfizer clinical trial, will be...” NCT06866405 ↗
1

“Participants will receive a single dose of the RSVpreF vaccine (Abrysvo®) intramuscularly between 32+0 and 36+6 weeks of gestation, consistent with Health Canada approval.” NCT07693166 ↗

Known as Respiratory Syncytial Virus Prefusion F Vaccine “Respiratory Syncytial Virus Prefusion F Vaccine (RSVpreF)” NCT07296120 ↗
Known as RSV prefusion F “RSV prefusion F (RSVpreF) is a bivalent stabilized prefusion F vaccine containing RSV-A and RSV-B antigens.” PMID 39928572 ↗ Feb 2026
Known as RSVpreF vaccine “The purpose of the study is to learn about the safety and immune activity of the RSVpreF vaccine.” NCT06325657 ↗
Modality Vaccine “This phase 1/2 study evaluated a bivalent prefusion F vaccine (RSVpreF) with antigens from RSV subgroups A and B.” PMID 34932102 ↗ Apr 2022
Route Intramuscular “single intramuscular injection” PMID 37018474 ↗ Apr 2023