Sanofi Pasteur, a Sanofi Company
Sanofi Pasteur, a Sanofi Company sponsors 153 registered US clinical trials on ClinicalTrials.gov, 3 of them currently recruiting, and 132 completed. 71 of these trials are in Phase 3-4 (later-stage) and 67 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Influenza, with 16 trials.
Trial Pipeline
153 total, page 2 of 4
Surveillance Study to Assess the Safety of Flublok Quadrivalent (Influenza Vaccine) in Pregnant Women and Their Offspring
NCT04460781
Safety of a Quadrivalent Meningococcal Conjugate Vaccine Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers
NCT03673462
Safety and Immunogenicity of Fluzone® Quadrivalent, Flublok® Quadrivalent, and Fluzone® High-Dose, Influenza Vaccines, 2018-2019 Formulations
NCT03617523
Immunogenicity and Safety of a Quadrivalent Meningococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers in the US
NCT03537508
Safety and Immunogenicity of Fluzone® Quadrivalent and Fluzone® High-Dose, Influenza Vaccines
NCT03308825
Safety and Immunogenicity of High-Dose Quadrivalent Influenza Vaccine in Participants ≥65 Years in the US
NCT03282240
Immunogenicity and Safety of a Purified Vero Rabies Vaccine
NCT03145766
Study of an Investigational Quadrivalent Meningococcal Conjugate Vaccine Administered in Children Aged 2 to 9 Years
NCT03077438
Safety and Immunogenicity of Fluzone® Quadrivalent Vaccine Administered to Healthy Children
NCT02915302
Safety and Immunogenicity of Fluzone® Quadrivalent and Fluzone® High-Dose, Influenza Vaccines, 2016-2017 Formulations
NCT02908269
Immune Lot Consistency, Immunogenicity, and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine
NCT02842853
Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Adults 56 Years and Older
NCT02842866
Immunogenicity and Safety of a Booster Dose of an Investigational Quadrivalent Meningococcal Conjugate Vaccine
NCT02752906
Persistence of Bactericidal Antibodies in Adults Who Received a Booster Dose of Menactra® Approximately 4 Years Earlier
NCT02633787
Study of Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed in Healthy Subjects
NCT02587520
Sanofi Pasteur Quadrivalent Intradermal Influenza Vaccine Pregnancy Registry
NCT02554409
Study of Fluzone® Quadrivalent, Fluzone® Intradermal Quadrivalent, and Fluzone® High-Dose, Influenza Vaccines in Adults
NCT02563093
A Study of the Safety and Immunogenicity of High-Dose Quadrivalent Influenza Vaccine in Subjects Aged 65 Years and Older
NCT02553343
Safety and Immunogenicity of the 2015-2016 Formulation of Fluzone® Quadrivalent (Influenza Vaccine) Among Healthy Children
NCT02539108
Study of Fluzone® Quadrivalent, Fluzone® Intradermal, and Fluzone® High-Dose, Influenza Vaccines in Adults
NCT02258334
Safety and Immunogenicity Among Healthy Children Receiving Fluzone® Quadrivalent, Influenza Vaccine
NCT02222870
Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Healthy Adolescents
NCT02199691
Immunologic Mechanisms of Immune Interference and/or Cross-Neutralizing Immunity After CYD Tetravalent Dengue Vaccine
NCT01943825
Safety and Immunogenicity Among Healthy Children Receiving Fluzone® Quadrivalent Influenza Virus Vaccine
NCT01946425
Study of Fluzone® Quadrivalent, Fluzone® Intradermal, and Fluzone® High-Dose Influenza Virus Vaccines in Adults
NCT01946438
Sanofi Pasteur Quadrivalent Influenza Vaccine (QIV) Pregnancy Registry
NCT01945424
Study of a Candidate Clostridium Difficile Toxoid Vaccine in Subjects at Risk for C. Difficile Infection
NCT01887912
Study of Purified Vero Rabies Vaccine and Rabies Human Diploid Cell Vaccine in a Simulated Rabies Post-exposure Regimen
NCT01877395
Comparison of Purified Vero Rabies Vaccine, Serum Free With Human Diploid Cell Vaccine in Pre-exposure Use
NCT01784874
Study of a Quadrivalent Meningococcal Conjugate Vaccine in Subjects Aged 56 and Older
NCT01732627
Study of Intradermal Quadrivalent Influenza Vaccine in Adults Aged 18 Through 64 Years
NCT01712984
Study of Fluzone® Influenza Virus Vaccines 2012-2013 Formulation Among Adults.
NCT01691339
Safety and Immunogenicity Among Healthy Children Receiving Fluzone® Influenza Virus Vaccine (2012-2013 Formulation)
NCT01691326
Study of Menactra® in Healthy Subjects at 9 Months and Concomitantly With Pentacel® at 15 to 18 Months of Age
NCT01659996
Immunogenicity of Adacel® and BOOSTRIX® Vaccines in Adolescents
NCT01629589
Immune Response to Different Schedules of a Tetravalent Dengue Vaccine Given With or Without Yellow Fever Vaccine
NCT01488890
Safety and Immunogenicity in Adults of Revaccination With Adacel® Vaccine 10 Years After a Previous Dose
NCT01439165
Study of Fluzone® Influenza Virus Vaccine 2011-2012 Formulation (Intramuscular Route) Among Adults
NCT01430819
Study of a Single Dose of Menactra® Vaccine 4-6 Years After Prior Menactra Vaccine
NCT01442675
A Study of Fluzone® High-Dose Vaccine Compared With Fluzone® Vaccine In Elderly Adults
NCT01427309
Post-licensure Safety Surveillance Study of Menactra Vaccine When Administered As a 2-dose Schedule to Children
NCT01689155
Study of DTap-IPV Compared to DAPTACEL® and IPOL® as the 5th Dose in Children 4 to 6 Years of Age
NCT01346293
Study of Quadrivalent Influenza Vaccine Among Children
NCT01240746
A Study of High-Dose Trivalent Inactivated Influenza Vaccine in Adults 50 to 64 Years of Age
NCT01258595
Study of Different Formulations of a Clostridium Difficile Toxoid Vaccine Given at Three Different Schedules in Adults
NCT01230957
Study of Quadrivalent Influenza Vaccine Among Adults
NCT01218646
Rates of Pertussis Disease Among Persons Receiving Pentacel® or Other Pertussis Vaccines
NCT01129362
A Study of a Quadrivalent Meningococcal Tetanus Protein Conjugate Vaccine in Infants and Toddlers
NCT01049035
A Study of Influenza Virus Vaccines in Children and Adults
NCT00988143
Study of Influenza Vaccine Revaccination in Healthy Adults Previously Vaccinated With Fluzone ID or Fluzone IM
NCT01011049
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 31 |
| Phase 2 | 36 |
| Phase 3 | 33 |
| Phase 4 | 38 |
Therapeutic Areas
What the Pipeline for Sanofi Pasteur, a Sanofi Company Shows
According to the ClinicalTrials.gov registry, Sanofi Pasteur, a Sanofi Company is linked to 153 US clinical trials across every stage of research activity. Of those, 3 studies are currently recruiting, about 2% of the sponsor's indexed portfolio, and 132 are already marked complete, representing roughly 86% of the total.
The phase mix for Sanofi Pasteur, a Sanofi Company reports 71 late-stage studies (Phase 3 and Phase 4 combined) and 67 earlier-phase studies (Phase 1 and Phase 2).
The top therapeutic focus area indexed for Sanofi Pasteur, a Sanofi Company is Influenza with 16 linked trials, and 9 other condition areas appear in the top list above.
How to read these pipeline numbers
Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work, safety, dosing, and early signal detection, and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice, verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.