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Sinovac PCV13

Phase 3

Pneumococcal Infectious Disease | Monoclonal antibody | Other |Sinovac Biotech, Ltd|Last Updated: Jan 28, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials4
Total Enrollment3,820
FDA Designations
No designations recorded
Clinical Trials (4)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06617715Clinical Trial of 13-Valent Pneumococcal Conjugate VaccinePHASE3 RECRUITING 3,080Oct 23, 2024Jul 30, 2026Jan 28, 20261 China
NCT07300644Clinical Trial of PCV24 in Infants and Children Aged 2 Months to 5 YearsPHASE2 RECRUITING 420Nov 25, 2025Dec 1, 2027Dec 24, 20253 China
NCT06800261Clinical Trial of PCV24 in Infants Aged 2-23 MonthsPHASE1 RECRUITING 180May 8, 2025Jun 1, 2026Jan 28, 20262 China
NCT06183216A Phase 1b Clinical Trial of 13-valent Pneumococcal Polysaccharide Conjugate VaccinePHASE1 COMPLETED 140Jan 4, 2024Mar 26, 2025Jan 28, 20261 China
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Study Endpoints
Primary Endpoints
Proportion of pneumococcal serotype-specific IgG antibody concentration ≥0.35 μg/ml (seropositive rate)
30 days after primary vaccination

Proportion of serotype-specific IgG concentration ≥0.35 μg/ml

Pneumococcal serotype-specific IgG antibody geometric mean concentration (GMC)
30 days after primary vaccination

IgG GMC

Incidence of adverse reactions
0-30 days after vaccination
Secondary Endpoints
Proportion of pneumococcal serotype-specific IgG antibody concentration ≥0.35 μg/ml (seropositive rate)
30 days after booster vaccination
Pneumococcal serotype-specific IgG antibody geometric mean concentration (GMC)
30 days after booster vaccination
Proportion of pneumococcal serotype-specific OPA antibody GMT≥1:8
30 days after primary vaccination
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Experimental: Sinovac PCV13EXPERIMENTALParticipants aged 6 weeks-5 years will receive 4 doses of Sinovac PCV13 according to different immunization schedules.
Active Comparator: Prevnar®ACTIVE_COMPARATORParticipants aged 6 weeks-5 years will receive 4 doses of Prevnar 13® according to different immunization schedules.
Sinovac PCV24EXPERIMENTALSinovac PCV24 (0.5 mL) is administered intramuscularly according to different immunization schedules.
Prevnar®ACTIVE_COMPARATORPrevnar® (0.5 mL) is administered intramuscularly according to different immunization schedules.
Experimental: Sinovac PCV24EXPERIMENTALParticipants aged 2 months (minimum 42 days)-23 months will receive Sinovac PCV24 according to different immunization schedules. Route of administration is intramuscular injection at anterolateral thigh for infants aged younger than 12 months, and at deltoid muscle of upper arm for children aged older than 12 months.
Infants aged 2 months in experimental groupEXPERIMENTAL35 participants aged 2 months will be randomized to receive Sinovac PCV13. Route of administration is intramuscular injection at anterolateral aspect of thigh; immunization schedule is 4 doses, including 3 doses (two-month interval) in primary vaccination and a booster dose at the age of 12-15 months.
Infants aged 2 months in control groupACTIVE_COMPARATOR35 participants aged 2 months will be randomized to receive PREVNAR 13. Route of administration is intramuscular injection at anterolateral aspect of thigh; immunization schedule is 4 doses, including 3 doses (two-month interval) in primary vaccination and a booster dose at the age of 12-15 months.
Children aged 2-5 years in experimental groupEXPERIMENTAL35 children aged 2-5 years will be randomized to receive Sinovac PCV13. The route of administration is intramuscular injection at deltoid muscle of the upper arm, and immunization schedule is 1 dose for children aged 2-5 years old.
Children aged 2-5 years in control groupACTIVE_COMPARATOR35 children aged 2-5 years will be randomized to receive PREVNAR 13. The route of administration is intramuscular injection at deltoid muscle of the upper arm, and immunization schedule is 1 dose for children aged 2-5 years old.
Interventions
NameTypeDescription
Sinovac PCV13BIOLOGICALOne dose of Sinovac PCV13 (0.5 mL) is administered intramuscularly.
Prevnar®BIOLOGICALOne dose of Prevnar® (0.5 mL) is administered intramuscularly.
Sinovac PCV24BIOLOGICALSinovac PCV24 (0.5 mL) is administered intramuscularly according to different immunization schedules.
PREVNAR 13BIOLOGICAL0.5 mL dose of PREVNAR 13 contains 1, 3, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F, 23F saccharides.
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Eligibility Criteria
Age Range6 Weeks — 5 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Healthy infants or children who are aged 2 months (at least 6 weeks), 7-11 months, 12-23 months and 2-5 years (before the 6th birthday); 2. Participants' guardians provide legal identity document and participants' vaccination record; 3. Participants' guardians understand and ...

Countries:China
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06617715primaryCompletionDate: changed
LOWMay 26, 2026NCT06800261primaryCompletionDate: changed
LOWMay 26, 2026NCT07300644primaryCompletionDate: changed
LOWMay 24, 2026NCT07300644studyFirstPostDate: changed
LOWMay 24, 2026NCT06800261studyFirstPostDate: changed
LOWMay 24, 2026NCT06617715studyFirstPostDate: changed