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A Randomized, Controlled, Multicenter Phase 4 Clinic Trial to Evaluate the Safety and Immunogenicity of Combined Immunization of Sabin-strain Inactivated Polio Vaccine (sIPV), Diphtheria, Tetanus, Pertussis (DTaP) Vaccine and Live Attenuated Hepatitis A Vaccine (HepA)
Eligible,healthy infants who have finished the 3-dose-schedule of sIPV+DTaP combined vaccination clinical trial (NCT04053010) will be recruited and divided into 4 groups, and will receive vaccination at the age of 18-month-old as follows: 1. Group 1: sIPV + DTaP + HepA, 2. Group 2: sIPV only, 3. Group 3: DTaP only, 4. Group 4: HepA only. The immunogenicity and safety of the 4 groups will be compared and analyzed before and 30-40 days after vaccination.
Details
| Lead sponsor | China National Biotec Group Company Limited |
|---|---|
| Phase | Phase 4 |
| Status | UNKNOWN |
| Enrolment | 600 |
| Start date | 2020-11-11 |
| Completion | 2021-12 |
Conditions
- Vaccination
Interventions
- sIPV+DTaP+HepA
- sIPV
- DTaP
- HepA
Primary outcomes
- Seroconversion rate (sIPV) — Baseline (before vaccination) results
determine the rate of positive seroconversion against poliovirus type I, II and III of the subjects - Seroconversion rate (sIPV) — Results obtained 30-40 days after vaccination
determine the rate of positive seroconversion against poliovirus type I, II and III of the subjects - Seroconversion rate (DTaP) — Baseline (before vaccination) results
determine the positive seroconversion rate of anti-pertussis toxoid , anti- filamentous hemagglutinin, anti-diphtheria toxoid and anti-tetanic antibody of the subjects - Seroconversion rate (DTaP) — Results obtained 30-40 days after vaccination
determine the positive seroconversion rate of anti-pertussis toxoid , anti- filamentous hemagglutinin, anti-diphtheria toxoid and anti-tetanic antibody of the subjects - Seroconversion rate (HepA) — Baseline (before vaccination) results
determine the rate of positive seroconversion rate of anti-hepatitis A virus antibody of the subjects - Seroconversion rate (HepA) — Results obtained 30-40 days after vaccination
determine the rate of positive seroconversion rate of anti-hepatitis A virus antibody of the subjects
Countries
China