Recent Updates
Recently added Catalysts

24 valent pneumococcal conjugate vaccine

Phase 2

Pneumococcal Vaccines | Monoclonal antibody | Infectious Disease |Vaxcyte, Inc.|Last Updated: Oct 9, 2024

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLEDDMC
Total Trials2
Total Enrollment1,042

FDA Designations

No designations recorded

Clinical trial landscape

24 valent pneumococcal conjugate vaccine · 2 trials · 1 indication

Phase 2 1Phase 1 1
NCT05297578Safety, Tolerability, and Immunogenicity Study of a 24-Valent Pneumococcal Conjugate Vaccine (VAX-24) in Older AdultsPneumococcal Vaccines
COMPLETED207 Analytics
PHASE2COMPLETED
Safety, Tolerability, and Immunogenicity Study of a 24-Valent Pneumococcal Conjugate Vaccine (VAX-24) in Older Adults
Pneumococcal VaccinesUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants Reporting Solicited Local Reactions Within 7 Days After Vaccination
7 days after vaccination

Solicited local reactions included redness/erythema, swelling/induration, and pain at injection site

Percentage of Participants Reporting Solicited Systemic Events Within 7 Days After Vaccination
7 days after vaccination

Solicited systemic reactions include fever, headache, fatigue, muscle pain, and joint pain within 7 days of vaccination

Percentage of Subjects Reporting Unsolicited Adverse Events Within 1 Month After Vaccination
1 month after vaccination

Percentage of participants with at least one Treatment Emergent Adverse Event (unsolicited AEs and SAEs)

Percentage of Participants Reporting SAEs and New Onset of Chronic Illnesses (NOCIs)
6 months after vaccination

Percentage of participants with serious adverse events (SAEs) and new onset of chronic illness (NOCIs)

Percentage of Participants Reporting Solicited Local Reactions Within 7 Days After Vaccination in Each Age Group
7 days after vaccination

Solicited local reactions include redness/erythema, swelling/induration, and pain at injection site within 7 days after vaccination in each age group

Percentage of Participants Reporting Solicited Systemic Events Within 7 Days After Vaccination in Each Age Group
7 days after vaccination

Solicited systemic reactions include fever, headache, fatigue, muscle pain, and joint pain

Percentage of Participants Reporting Unsolicited Adverse Events (AE) in Each Age Group
1 month after vaccination

Percentage of participants in each age group with adverse events (AEs) whose date of onset occurs after the study vaccine and within the 28 days after vaccination.

Percentage of Participants Reporting SAEs and New Onset of Chronic Illnesses (NOCI)
6 months after vaccination

Percentage of participants with SAEs and NOCIs

Secondary Endpoints

VAX-24 Pneumococcal Serotype-specific Opsonophagocytic Assay (OPA) Geometric Mean Titer (GMTs)
1 month after vaccination
24 VAX-24 Pneumococcal Serotype-specific IgG Geometric Mean Concentration (GMCs)
1 month after vaccination
Percentage of Participants With Laboratory Value Abnormalities and/or Potentially Clinically Significant Laboratory Values
1 month after vaccination
Unlock Study Endpoints

Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
VAX-24 Low DoseEXPERIMENTALParticipants will receive a single dose of VAX-24 1.1 mcg administered as an intramuscular injection on Day 1.
VAX-24 Mid DoseEXPERIMENTALParticipants will receive a single dose of VAX-24 2.2 mcg administered as an intramuscular injection on Day 1.
VAX-24 Mixed DoseEXPERIMENTALParticipants will receive a single dose of VAX-24 2.2 mcg/4.4 mcg administered as an intramuscular injection on Day 1.
PCV20ACTIVE_COMPARATORParticipants will receive a single intramuscular injection of the standard dose of PCV20 on Day 1.

Interventions

NameTypeDescription
24-Valent Pneumococcal Conjugate VaccineBIOLOGICAL0.5 ml dose of VAX-24 will be administered into the deltoid muscle at Day 1
Pneumococcal 20-valent Conjugate VaccineBIOLOGICAL0.5 ml dose of Prevnar 20 will be administered into the deltoid muscle at Day 1
24 valent pneumococcal conjugate vaccineBIOLOGICAL0.5 ml dose of VAX-24 will be administered into the deltoid muscle at Day 1
20 valent pneumococcal conjugate vaccineBIOLOGICAL0.5 ml dose of PCV20 will be administered into the deltoid muscle at Day 1
Unlock Study Design Details

Eligibility Criteria

Age Range65 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites20

Inclusion Criteria: * Male or female age 65 or older. * Able and willing to complete the informed consent process. * Available for clinical follow-up through the last study visit at 6 months after the study vaccination. * In good general health as determined by medical history, vital signs, physica...

Countries:United States
Unlock Eligibility Criteria

Frequently asked questions about 24 valent pneumococcal conjugate vaccine

What is the 24 valent pneumococcal conjugate vaccine used for?

The 24 valent pneumococcal conjugate vaccine, also known as VAX-24, is used for pneumococcal vaccines, targeting prevention of pneumococcal disease. It is being developed by Vaxcyte, Inc. (PCVX) and is currently in Phase 2 clinical development.

What does the 24 valent pneumococcal conjugate vaccine target?

The 24 valent pneumococcal conjugate vaccine targets pneumococcal bacteria by including 24 valent components to elicit an immune response against pneumococcal infections. It is designed to provide broad coverage against multiple serotypes of Streptococcus pneumoniae.

Who makes the 24 valent pneumococcal conjugate vaccine?

The 24 valent pneumococcal conjugate vaccine is developed by Vaxcyte, Inc., a biopharmaceutical company traded under the ticker PCVX. The vaccine is currently in clinical development for pneumococcal vaccines.

What phase is the 24 valent pneumococcal conjugate vaccine in?

The 24 valent pneumococcal conjugate vaccine is in Phase 2 clinical development. It has completed two clinical trials, including a Phase 1 study and a Phase 2 study, with a total enrollment of 1042 participants.

What clinical trials is the 24 valent pneumococcal conjugate vaccine in?

The 24 valent pneumococcal conjugate vaccine has completed two clinical trials: NCT05266456, a Phase 1 study in adults with 835 participants, and NCT05297578, a Phase 2 study in older adults with 207 participants. Both trials were conducted in the United States.

Is the 24 valent pneumococcal conjugate vaccine the same as VAX-24?

Yes, the 24 valent pneumococcal conjugate vaccine is also known as VAX-24. It is an investigational vaccine being developed by Vaxcyte, Inc. for pneumococcal vaccines, currently in Phase 2 clinical development.