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Vaxcyte (PCVX) Drug Pipeline

Drug pipeline
Drug NameConditionStageStatusStudy NameTrial Start DateArticle
Vax-A1 Low, Vax-A1 Mid, Vax-A1 HighGroup A Streptococcal InfectionPhase IRecruitingA Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-A1 in Healthy Young AdultsMay 18, 2026―
Pcv20, 31-Valent Pneumococcal Conjugate VaccinePneumococcal VaccinesPhase IIIActive Not RecruitingSafety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Prior Pneumococcal VaccinationFeb 11, 2026
Seasonal Influenza Vaccine, 31-Valent Pneumococcal Conjugate VaccinePneumococcal VaccinesPhase IIIActive Not RecruitingA Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 With Influenza Vaccine in Adults ≥ 50 Years of AgeJan 22, 2026―
Prevnar 20, Pcv20, 31 Valent Pneumococcal Conjugate Vaccine, Pcv21Pneumococcal VaccinesPhase IIIActive Not RecruitingSafety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Immunobridging to Adults 18-49Dec 08, 2025―
0.5 Ml Dose Of Pcv20, 0.5 Ml Of The Low Dose Vax-31, 0.5 Ml Of The Mid Dose Vax-31, 0.5 Ml Of The High Dose Vax-31, 0.5 Ml Of The High-Pfs Dose Vax-31Pneumococcal VaccinesPhase IIActive Not RecruitingA Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 in Healthy InfantsDec 02, 2024
31 Valent Pneumococcal Conjugate Vaccine, 20 Valent Pneumococcal Conjugate VaccinePneumococcal Vaccinesphase1AndPhase2CompletedSafety, Tolerability, and Immunogenicity Study of a 31-Valent Pneumococcal Conjugate Vaccine (VAX-31) in AdultsNov 10, 2023―
0.5 Ml Dose Of 1.1 Mcg Vax-24, 0.5 Ml Dose Of Pcv20, 0.5 Ml Dose Of 2.2 Mcg Vax-24, 0.5 Ml Dose Of 2.2/4.4 Mcg Vax-24Pneumococcal VaccinesPhase IICompletedSafety, Tolerability, and Immunogenicity of a 24-Valent Pneumococcal Conjugate Vaccine (VAX-24) in Healthy InfantsApr 24, 2023―

FAQ

What are the FDA phases for drug approval?
The FDA approval process for new drugs is divided into several phases: a. Preclinical testing b. Phase 1 – Safety and dosage c. Phase 2 – Effectiveness and side effects d. Phase 3 – Confirmation of effectiveness, monitoring of adverse reactions, and comparison with existing treatments e. Phase 4 – Post-marketing studies to track long-term safety and effectiveness
What is a clinical trial?
A clinical trial is a carefully designed study in which researchers test a drug, treatment, or medical device in people to evaluate its safety, effectiveness, and potential side effects. These trials are essential for determining whether a new treatment should be approved for widespread use.
What drugs does Vaxcyte, Inc. (PCVX) have in its pipeline
Vaxcyte PCVX is currently developing the following drugs: Vax-A1 Low, Vax-A1 Mid, Vax-A1 High, Pcv20, 31-Valent Pneumococcal Conjugate Vaccine, Seasonal Influenza Vaccine, 31-Valent Pneumococcal Conjugate Vaccine, Prevnar 20, Pcv20, 31 Valent Pneumococcal Conjugate Vaccine, Pcv21, 0.5 Ml Dose Of Pcv20, 0.5 Ml Of The Low Dose Vax-31, 0.5 Ml Of The Mid Dose Vax-31, 0.5 Ml Of The High Dose Vax-31, 0.5 Ml Of The High-Pfs Dose Vax-31, 31 Valent Pneumococcal Conjugate Vaccine, 20 Valent Pneumococcal Conjugate Vaccine, 0.5 Ml Dose Of 1.1 Mcg Vax-24, 0.5 Ml Dose Of Pcv20, 0.5 Ml Dose Of 2.2 Mcg Vax-24, 0.5 Ml Dose Of 2.2/4.4 Mcg Vax-24. These drug candidates are in various stages of clinical development as the company works toward FDA approval.