Skip to content

Inter-lot Consistency Clinical Trial of Adsorbed Cell-free DTP (Three-component) Combined Vaccine

Inter-lot Consistency Clinical Trial of Adsorbed Cell-free DTP (Three-component) Combined Vaccine

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06857370
Enrollment
780
Registered
2025-03-04
Start date
2025-03-23
Completion date
2026-01-31
Last updated
2025-08-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diphtheria, Tetanus and Acellular Pertussis

Keywords

Vaccine, Three Components, Immunogenicity, Safety, 2 months old

Brief summary

This is a randomized, blinded, peer-controlled study. There will be 3 treatment groups, screened subjects were randomized in a 1:1:1 ratio to receive three batches of the DTcP trial vaccine, and completed the primary immunization according to the procedure of one dose each at 2, 4, and 6 months of age.

Interventions

BIOLOGICALDiphtheria, Tetanus and Acellular Pertussis (Three Components) Combined Vaccine, Adsorbed (DTcP Lot 1)

Three doses of basic immunization were completed at 2, 4 and 6 months of age

BIOLOGICALDiphtheria, Tetanus and Acellular Pertussis (Three Components) Combined Vaccine, Adsorbed (DTcP Lot 2)

Three doses of basic immunization were completed at 2, 4 and 6 months of age

BIOLOGICALDiphtheria, Tetanus and Acellular Pertussis (Three Components) Combined Vaccine, Adsorbed (DTcP Lot 3)

Three doses of basic immunization were completed at 2, 4 and 6 months of age

Sponsors

CanSino Biologics Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
60 Days to 89 Days
Healthy volunteers
Yes

Inclusion criteria

* 2 months of age (60\ 89 days), willing to provide identification documents; * The legal guardian or delegate has given informed consent, voluntarily signed the informed consent form, and can comply with the requirements of the clinical research protocol.

Exclusion criteria

First dose

Design outcomes

Primary

MeasureTime frame
Geometric Mean Concentration (GMC) of serum anti-PT, FHA, PRN, DT, and TT antibodies in 2-month-old subjects with three different batches of the trial vaccine.30 days after vaccination

Secondary

MeasureTime frame
Seroconversion rate of serum anti-PT, FHA, PRN, DT, and TT antibodies in 2-month-old subjects with three different batches of the trial vaccine.30 days after vaccination
Seropositivity rate of serum anti-PT, FHA, PRN, DT, and TT antibodies in 2-month-old subjects with three different batches of the trial vaccine30 days after vaccination
Incidence of solicited adverse reactions for each vaccine dose in 2-month-old subjects.Within 30 minutes post-vaccination
Incidence of unsolicited adverse reactions for each vaccine dose in 2-month-old subjects.Within 0-30 days
Incidence of Serious Adverse Events (SAEs) in 2-month-old subjects.From first vaccination to 30 days after the third dose

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026