Clinical trials: vaccines, open to volunteers
Lower Respiratory Tract Infection
A Clinical Trial of V175 and V175A in Healthy Adults
Researchers are looking for new vaccines to prevent lower respiratory tract infections. A lower respiratory tract infection is an infection in the lower part of the airways and/or the lungs.
- Trial name
- NCT07855510
- Testing
- V175, V175A, Control Vaccine
- Where
- 2 sites in Australia
- Volunteers
- 564 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Pneumococcal Disease
A Study to Learn About the Safety of an Expanded Pneumococcal Vaccine in Healthy Infants
The purpose of this study is to learn about the safety of a new pneumococcal vaccine and how the new pneumococcal vaccine helps to fight against germs that can cause pneumonia (lung infections), meningitis (brain infections), and…
- Trial name
- NCT07573462
- Testing
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
- Where
- 91 sites in United States, Argentina and 9 more
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- Pfizer
Clostridoides Difficile Associated Disease
A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older
The purpose of the study is to learn about how effective, safe, and tolerable the Clostridioides difficile (C. difficile) vaccine is in decreasing the number of C. difficile infections (pCDI) in adults 65 years of age or older.
- Trial name
- BEETHOVEN (NCT07282665)
- Testing
- C.difficile vaccine
- Where
- 185 sites in United States, Argentina and 2 more
- Volunteers
- 32,500 people, healthy volunteers welcome
- Sponsor
- Pfizer
Herpes Zoster
Clinical Trial of Recombinant Herpes Zoster Vaccine (ZFA01 Adjuvant, CHO Cells)
A seamless Phase I/II trial evaluating the immunogenicity and safety of a recombinant herpes zoster ZFA01 adjuvanted vaccine (CHO cell) in healthy adults aged ≥40 years.
- Trial name
- NCT07920172
- Testing
- Low-dose adjuvanted recombinant zoster vaccine, High-dose adjuvanted recombinant zoster vaccine (0 and 30 days schedule), High-dose adjuvanted recombinant zoster vaccine (0 and 60 days schedule)
- Where
- 2 sites in China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd.
Healthy Participants
A Trial to Evaluate the Effect of CD388/MK1406 on the Immunogenicity of Fluzone® HD Vaccine (CD388.SQ.1.08/MK-1406-007)
Approximately one billion cases of seasonal influenza occur annually. Of these, 3 to 5 million illnesses are severe and responsible for up to 650,000 deaths per year (WHO 2025).
- Trial name
- NCT07300085
- Testing
- Fluzone® High-Dose (HD) influenza vaccine, MK-1406 Injection
- Where
- 2 sites in United States
- Volunteers
- 710 people, healthy volunteers welcome
- Sponsor
- Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Malaria Falciparum
Safety, Tolerability and Efficacy of PfSPZ-LARC2 Vaccine Against CHMI in Malaria-Naïve Adults
This is a randomized, double-blind, placebo-controlled Phase 1 trial of Plasmodium falciparum (Pf) sporozoite (SPZ) late-arresting replication-competent (LARC) malaria vaccine (PfSPZ-LARC2 Vaccine) administered to healthy…
- Trial name
- LARC-Tu (NCT06862453)
- Testing
- PfSPZ-LARC2 Vaccine, PfSPZ Challenge (7G8)
- Where
- Germany
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Sanaria Inc.
Chlamydia Trachomatis Immunization
Phase 1 Study of Chlamydia Trachomatis mRNA Vaccine in Adults.
The purpose of this study is to evaluate the safety of two doses (Dose 1 and Dose 2) of Chlamydia mRNA Vaccine candidate in adult participants aged 18 to 29 years (Chlamydia trachomatis seronegative) or 18 to 44 years (Chlamydia…
- Trial name
- NCT06891417
- Testing
- Chlamydia mRNA Vaccine
- Where
- 7 sites in Australia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Sanofi
Healthy
BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies
BEATRIX (group B strEptococcus mATeRnal and Infant VaX study) The purpose of this study is to learn about the safety and how the group B streptococcus (GBS) vaccine works in pregnant women and their babies.
- Trial name
- NCT07160244
- Testing
- Multivalent Group B streptococcus vaccine, Infanrix hexa, Prevenar 20
- Where
- 219 sites in United States, Argentina and 13 more
- Volunteers
- 6,000 people, healthy volunteers welcome
- Sponsor
- Pfizer
Squamous Cell Carcinoma of Head and Neck, Squamous Cell Carcinoma of Head and Neck (SCCHN)
TMV Vaccine Alone or With Toripalimab-tpzi for Recurrent Head and Neck Squamous Cell Carcinoma
The goal of this clinical trial is to learn if an experimental, personalized cancer vaccine called TMV vaccine is safe and to find the best dose to study in future trials.
- Conditions
- Squamous Cell Carcinoma of Head and Neck, Squamous Cell Carcinoma of Head and Neck (SCCHN), HNSCC, Neoplasm Recurrence, Local
- Trial name
- NCT07898124
- Testing
- TMV Vaccine, Toripalimab-tpzi
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Metaclipse Therapeutics Corporation
Pneumococcal Disease
Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents
The purpose of this study is to learn about the safety of a new pneumococcal vaccine and how the new pneumococcal vaccine helps to fight against germs that can cause pneumonia (lung infections), meningitis (brain infections), and…
- Trial name
- NCT07660198
- Testing
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
- Where
- 77 sites in United States, Finland and 2 more
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Pfizer
Pertussis (Whooping Cough), Diphtheria
A Phase II Clinical Trial of Absorbed Acellular Pertussis (Two-Component) Diphtheria-Tetanus Combined Vaccine (For Adults and Adolescents)
the immunogenicity and safety of different dosages of adsorbed acellular pertussis (two-component) diphtheria-tetanus combined vaccine
- Conditions
- Pertussis (Whooping Cough), Diphtheria, Tetanus
- Trial name
- NCT07894055
- Testing
- Tdap vaccine
- Where
- China
- Volunteers
- 420 people, healthy volunteers welcome
- Sponsor
- Changchun BCHT Biotechnology Co.
Herpes Zoster
Immunogenicity and Safety of SYS6052 in the Participants Aged 40 Years and Above
Herpes zoster is caused by the reactivation of latent varicella-zoster virus (VZV) which stays in latency after its primary infection. Immunosenescence contributes significantly to elevating morbidity associated with aging.
- Trial name
- NCT07892989
- Testing
- Recombinant Zoster Vaccine (CHO cell) SYS6052, Active Comparator Vaccine
- Volunteers
- 496 people, healthy volunteers welcome
- Sponsor
- CSPC Megalith Biopharmaceutical Co.,Ltd.
Seasonal Influenza
Phase I Clinical Trial of Trivalent Inactivated Split Influenza Virus Vaccine (MDCK Cell)
This study is a phase I, randomized, double-blind, placebo and active comparator-controlled clinical trial to evaluate the safety and immunogenicity of a trivalent split influenza virus vaccine (MDCK cell) developed by Sinovac…
- Trial name
- NCT07889193
- Testing
- Cell-based Trivalent Split Influenza Virus Vaccine (cTIV), Egg-based Trivalent Split Influenza Virus Vaccine (eTIV)
- Where
- China
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- Sinovac Biotech Co., Ltd
Respiratory Syncytial Virus Infections
A Study of BLB-201 RSV Vaccine in Infants and Children
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…
- Trial name
- NCT05655182
- Testing
- PIV5-vectored RSV Vaccine (BLB-201) Low Dose, PIV5-vectored RSV Vaccine (BLB-201) High Dose
- Where
- 18 sites in United States
- Volunteers
- 137 people, healthy volunteers welcome
- Sponsor
- Blue Lake Biotechnology Inc.
Cardiovascular Disease
A Study Exploring the Effect of Adjuvanted RZV or RSVPreF3 Vaccines on Coronary Plaque Progression in Adults >=50 Years of Age at Risk for Cardiovascular Events
This study is designed to evaluate whether the adjuvanted recombinant zoster vaccine (RZV) or the adjuvanted respiratory syncytial virus PreFusion protein 3 (RSVPreF3) vaccine can attenuate the progression of coronary plaque in…
- Trial name
- NCT07712380
- Testing
- Adjuvanted RZV vaccine, Adjuvanted RSVPreF3 vaccine
- Volunteers
- 450 people
- Sponsor
- GlaxoSmithKline
Pneumococcal Disease
A Study to Learn About How a New Pneumococcal Vaccine Works in Infants.
The purpose of this study is to learn about the safety of a new pneumococcal vaccine and how the new pneumococcal vaccine helps to fight against germs that can cause pneumonia (lung infections), meningitis (brain infections), and…
- Trial name
- NCT07629440
- Testing
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
- Where
- 130 sites in United States, Japan and 1 more
- Volunteers
- 3,230 people, healthy volunteers welcome
- Sponsor
- Pfizer
Seasonal Influenza
A Study of Updated mRNA Seasonal Influenza Vaccines
The purpose of this study is to evaluate the immunogenicity and safety of updated strain-containing compositions of the mRNA-1010 vaccines within the current epidemiological environment.
- Trial name
- NCT07884175
- Testing
- mRNA-1010, Licensed High-Dose Seasonal Influenza Vaccine
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- ModernaTX, Inc.
Influenza A, Influenza B, Influenza Vaccination
Phase 2/3 Clinical Trial to Evaluate the Immunogenicity and Safety of GC3114B in Adults Aged 65 Years or Older
This is a multicenter, randomized, double-blind, active-controlled, parallel-group clinical trial in adults aged 65 years or older.
- Trial name
- GC3114B (NCT07883928)
- Testing
- vaccination of GC3114B, Vaccination of Efluelda
- Where
- South Korea
- Volunteers
- 1,806 people, healthy volunteers welcome
- Sponsor
- GC Biopharma Corp
Respiratory Syncytial Virus, Human Metapneumovirus
Phase 2b Study of a Respiratory Syncytial Virus and Human Metapneumovirus (RSV+HMPV) Protein Vaccine Candidate in Adults 60 Years of Age and Older
Study VCA25397 is a Phase 2b, observer-blind, randomized, placebo-controlled, parallel, case-driven proof of concept study that will enroll approximately 8000 adults aged 60 years and older to assess the clinical efficacy…
- Conditions
- Respiratory Syncytial Virus, Human Metapneumovirus, Healthy Volunteers
- Trial name
- NCT07810010
- Testing
- Bivalent RSV+HMPV protein vaccine
- Where
- 21 sites in Australia, United Kingdom
- Volunteers
- 8,000 people, healthy volunteers welcome
- Sponsor
- Sanofi
Meningococcal Infection, Healthy Volunteers
Immunogenicity and Safety Study of an Investigational Quadrivalent Meningococcal Conjugate Vaccine Administered in Healthy Infants and Toddlers in China
The purpose of this study is to describe the safety and immunogenicity of MenACYW conjugate vaccine compared with locally-licensed meningococcal vaccines in healthy infants and toddlers in China.
- Trial name
- NCT07710872
- Testing
- MenQuadfi® (Meningococcal Polysaccharide [Serogroups A, C, W, and Y] Tetanus Toxoid Conjugate Vaccine) (Sanofi Pasteur Inc., Swiftwater, PA, USA), Menhycia® (ACYW135 Meningococcal Conjugate Vaccine [CRM197]) (CanSino Biologics Inc., China)
- Where
- 8 sites in China
- Volunteers
- 4,568 people, healthy volunteers welcome
- Sponsor
- Sanofi