Vaccine · Louisiana
Vaccine studies in Louisiana
16 studies have at least one recruiting site in Louisiana. Vaccine trials test how well new or updated vaccines produce an immune response and how they are tolerated. Many recruit healthy adults; some focus on older adults, children or people with specific conditions.
16 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1/Phase 2
Phase 1/2 Study of Respiratory Syncytial Virus and Human Metapneumovirus (RSV+HMPV) Vaccine Candidate in Adults 60 Years of Age and Older
Sanofi
- Location
- New Orleans, LA + 49 other US sites
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteersPhase 3
A Study to Learn About How a New Pneumococcal Vaccine Works in Infants.
Pfizer
- Location
- Haughton, LA + 101 other US sites
- Eligibility basics
- Ages 1 mo–7 mo
- RecruitingHealthy volunteersPhase 4
Study of a Recombinant Spike COVID-19 Vaccine With Matrix-M in Older Adults and People at Increased Risk of Severe COVID-19
Sanofi
- Location
- Lafayette, LA + 19 other US sites
- Eligibility basics
- Ages 12+
- RecruitingHealthy volunteersPhase 3
A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose
Pfizer
- Location
- New Orleans, LA + 76 other US sites
- Eligibility basics
- Ages 0 mo+
- RecruitingHealthy volunteersPhase 3
A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older
Pfizer
- Location
- Baton Rouge, LA + 138 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteersPhase 3
BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies
Pfizer
- Location
- Covington, LA + 111 other US sites
- Eligibility basics
- Ages 0 mo–49
- RecruitingHealthy volunteersPhase 3
A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of Age
GlaxoSmithKline
- Location
- Lafayette, LA + 130 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteersPhase 3
A Study to Learn About the Safety of an Expanded Pneumococcal Vaccine in Healthy Infants
Pfizer
- Location
- Shreveport, LA + 20 other US sites
- Eligibility basics
- Ages 1 mo–4 mo
- RecruitingHealthy volunteersPhase 3
Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents
Pfizer
- Location
- Covington, LA + 49 other US sites
- Eligibility basics
- Ages 1–17
- RecruitingHealthy volunteersPhase 3
A Study on the Safety of an Investigational Chickenpox Vaccine, When Given to Healthy Children, 12 to 15 Months of Age
GlaxoSmithKline
- Location
- Lafayette, LA + 14 other US sites
- Eligibility basics
- Ages 1–1
- RecruitingHealthy volunteersPhase 3
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age
GlaxoSmithKline
- Location
- Haughton, LA + 46 other US sites
- Eligibility basics
- Ages 1–1
- RecruitingHealthy volunteersPhase 4
A Study to Investigate the Immunogenicity and Safety of mRNA COVID-19 Variant-containing Vaccine Formulations
ModernaTX, Inc.
- Location
- Baton Rouge, LA + 5 other US sites
- Eligibility basics
- Ages 6 mo+
- RecruitingPhase 2
Personalized Neoantigen Vaccine Plus IL-12 (INO-9012) Versus Active Surveillance in Subjects With High-Risk HCC
Geneos Therapeutics
- Location
- New Orleans, LA + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 1/Phase 2
Study to Evaluate Safety, Efficacy and Immunogenicity of Acne mRNA Vaccine in Adults With Moderate to Severe Acne
Sanofi Pasteur, a Sanofi Company
- Location
- Baton Rouge, LA + 78 other US sites
- Eligibility basics
- Ages 18–45
- RecruitingPhase 1/Phase 2
Study to Evaluate Safety, Efficacy and Immunogenicity of Acne mRNA Vaccine in Participants With Mild Acne
Sanofi Pasteur, a Sanofi Company
- Location
- New Orleans, LA + 3 other US sites
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 4
Immunogenicity of Gardasil-9 HPV Vaccine in People Living With HIV
Louisiana State University Health Sciences Center in New Orleans
- Location
- New Orleans, LA
- Eligibility basics
- Ages 18–65
Who these studies look for
Vaccine studies often exclude people who recently received a related vaccine or had the infection, and those with conditions or medicines that affect the immune system.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Could I receive a placebo?
Often yes. Many vaccine trials are randomized, so some participants receive a comparison vaccine or placebo. The consent document explains this.