Clinical Trial Results:
Safety and Immunogenicity Study of Full Schedule (3-Dose of SHAN6™) or SHAN6™-SHAN5®-SHAN6™ Versus the Licensed Vaccine SHAN5® With bOPV and IPV When Administered Per National Immunization Schedule in Healthy Kenyan Infants
Summary
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EudraCT number |
2022-003923-17 |
Trial protocol |
Outside EU/EEA |
Global end of trial date |
23 Aug 2022
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Results information
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Results version number |
v1(current) |
This version publication date |
29 Mar 2023
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First version publication date |
29 Mar 2023
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Other versions |
Trial Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
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Trial identification
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Sponsor protocol code |
SH600008
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
- | ||
WHO universal trial number (UTN) |
U1111-1217-1674 | ||
Sponsors
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Sponsor organisation name |
Sanofi Pasteur
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Sponsor organisation address |
14 Espace Henry Vallée, Lyon, France, 69007
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Public contact |
Trial Transparency Team, Sanofi Pasteur, contact-us@sanofi.com
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Scientific contact |
Trial Transparency Team, Sanofi Pasteur, contact-us@sanofi.com
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Paediatric regulatory details
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Is trial part of an agreed paediatric investigation plan (PIP) |
No
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Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial? |
Yes
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Results analysis stage
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Analysis stage |
Final
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Date of interim/final analysis |
22 Dec 2022
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Is this the analysis of the primary completion data? |
No
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Global end of trial reached? |
Yes
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Global end of trial date |
23 Aug 2022
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Was the trial ended prematurely? |
Yes
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General information about the trial
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Main objective of the trial |
The first primary objective was to demonstrate the non-inferiority of SHAN6™ compared to the licensed control vaccines SHAN 5® (+ bivalent oral polio vaccine [bOPV] + inactivated polio vaccine [IPV]) with respect to the adjusted geometric mean concentration (aGMC) ratio for anti-pertussis toxoid (PT) and anti-fimbriae (FIM) for pertussis and seroprotection rates for all other antigens 28 days after a 3 dose primary series (6, 10 and 14 weeks).
If the first objective was reached, the second primary objective was to demonstrate the non-inferiority of mixed schedule administration of SHAN6™ and SHAN 5® (+ bOPV) compared to SHAN 5® (+bOPV + IPV) as a 3 dose primary series with respect to the aGMC ratio for anti-PT and anti-FIM for pertussis and seroprotection rates for all other antigens 28 days after a 3 dose primary series.
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Protection of trial subjects |
Vaccinations were performed by qualified and trained study personnel. Subjects with allergy to any of the vaccine components were not vaccinated. After vaccination, subjects were also kept under clinical observation for 30 minutes to ensure their safety. Appropriate medical equipment were also available on site in case of any immediate allergic reactions. Safety of trial subjects were monitored during the conduct of the study.
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
13 Oct 2020
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Long term follow-up planned |
No
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Independent data monitoring committee (IDMC) involvement? |
No
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Population of trial subjects
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Number of subjects enrolled per country |
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Country: Number of subjects enrolled |
Kenya: 690
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Worldwide total number of subjects |
690
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EEA total number of subjects |
0
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Number of subjects enrolled per age group |
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In utero |
0
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Preterm newborn - gestational age < 37 wk |
0
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Newborns (0-27 days) |
0
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Infants and toddlers (28 days-23 months) |
690
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Children (2-11 years) |
0
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Adolescents (12-17 years) |
0
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Adults (18-64 years) |
0
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From 65 to 84 years |
0
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85 years and over |
0
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Recruitment
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Recruitment details |
Study was conducted at 6 active sites in Kenya. A total of 690 subjects were enrolled and vaccinated in the study from 13 October 2022 to 05 May 2021. | ||||||||||||||||||||||||||||||||||||
Pre-assignment
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Screening details |
The study was planned to be conducted in two periods: primary phase and booster phase. Due to unavailability of investigational and control vaccines, study was early terminated. Due to early termination of the study, booster phase was not conducted, hence no booster vaccination was administered to the subjects. | ||||||||||||||||||||||||||||||||||||
Period 1
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Period 1 title |
Primary Phase (Up to Day 84) (overall period)
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Is this the baseline period? |
Yes | ||||||||||||||||||||||||||||||||||||
Allocation method |
Randomised - controlled
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Blinding used |
Not blinded | ||||||||||||||||||||||||||||||||||||
Arms
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Are arms mutually exclusive |
Yes
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Arm title
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Group A: SHAN6 | ||||||||||||||||||||||||||||||||||||
Arm description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN6 vaccine, co-administered with pneumococcal conjugate vaccine (PCV) and oral rotavirus vaccine (ORV) vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks in the primary phase of the study. | ||||||||||||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Hexavalent DTwP-HepB-Hib-IPV vaccine
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Investigational medicinal product code |
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Other name |
SHAN6™
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Pharmaceutical forms |
Suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
0.5 millilitres (mL), intramuscular dose.
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Investigational medicinal product name |
Rotavirus, live attenuated (ORV)
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Investigational medicinal product code |
|||||||||||||||||||||||||||||||||||||
Other name |
RotaTeq®
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Pharmaceutical forms |
Oral suspension
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Routes of administration |
Oral use
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Dosage and administration details |
2 mL, oral dose.
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Investigational medicinal product name |
Pneumococcal polysaccharide conjugate vaccine (PCV)
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Investigational medicinal product code |
|||||||||||||||||||||||||||||||||||||
Other name |
Synflorix®
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Pharmaceutical forms |
Suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
0.5 mL, intramuscular dose.
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Arm title
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Group B: SHAN6/SHAN 5+bOPV/SHAN6 | ||||||||||||||||||||||||||||||||||||
Arm description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN6 vaccine at the age of 6 to 8 weeks, along with SHAN5 + bOPV at the age of 10 to 12 weeks and SHAN6 at the age of 14-16 weeks, co-administered with PCV and ORV vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks in the primary phase of the study. | ||||||||||||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Hexavalent DTwP-HepB-Hib-IPV vaccine
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Investigational medicinal product code |
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Other name |
SHAN6™
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Pharmaceutical forms |
Suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
0.5 mL, intramuscular dose.
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Investigational medicinal product name |
Rotavirus, live attenuated (ORV)
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Investigational medicinal product code |
|||||||||||||||||||||||||||||||||||||
Other name |
RotaTeq®
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Pharmaceutical forms |
Oral suspension
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Routes of administration |
Oral use
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Dosage and administration details |
2 mL, oral dose.
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Investigational medicinal product name |
Pneumococcal polysaccharide conjugate vaccine (PCV)
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Investigational medicinal product code |
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Other name |
Synflorix®
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Pharmaceutical forms |
Suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
0.5 mL, intramuscular dose.
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Investigational medicinal product name |
Pentavalent DTwP-HepB-Hib vaccine
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Investigational medicinal product code |
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Other name |
SHAN5™
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Pharmaceutical forms |
Suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
0.5 mL, intramuscular dose.
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Investigational medicinal product name |
Oral bivalent types 1 and 3; Poliomyelitis Vaccine (bOPV)
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Oral suspension
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Routes of administration |
Oral use
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Dosage and administration details |
0.1 mL, oral dose.
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Arm title
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Group C: SHAN 5 + bOPV + IPV | ||||||||||||||||||||||||||||||||||||
Arm description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN5+bOPV vaccine, co-administered with PCV and ORV vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks and IPV at 14 to 16 weeks in the primary phase of the study. | ||||||||||||||||||||||||||||||||||||
Arm type |
Active comparator | ||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Pentavalent DTwP-HepB-Hib vaccine
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Investigational medicinal product code |
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Other name |
SHAN5™
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Pharmaceutical forms |
Suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
0.5 mL, intramuscular dose.
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Investigational medicinal product name |
Oral bivalent types 1 and 3; Poliomyelitis Vaccine (bOPV)
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Oral suspension
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Routes of administration |
Oral use
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Dosage and administration details |
0.1 mL, oral dose.
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Investigational medicinal product name |
Rotavirus, live attenuated (ORV)
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Investigational medicinal product code |
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Other name |
RotaTeq®
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Pharmaceutical forms |
Oral suspension
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Routes of administration |
Oral use
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Dosage and administration details |
2 mL, oral dose.
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Investigational medicinal product name |
Pneumococcal polysaccharide conjugate vaccine (PCV)
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Investigational medicinal product code |
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Other name |
Synflorix®
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Pharmaceutical forms |
Suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
0.5 mL, intramuscular dose.
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Investigational medicinal product name |
Inactivated polio vaccine
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Investigational medicinal product code |
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Other name |
IMOVAX Polio®
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Pharmaceutical forms |
Suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
0.5 mL, intramuscular dose.
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Baseline characteristics reporting groups
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Reporting group title |
Group A: SHAN6
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Reporting group description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN6 vaccine, co-administered with pneumococcal conjugate vaccine (PCV) and oral rotavirus vaccine (ORV) vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks in the primary phase of the study. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Group B: SHAN6/SHAN 5+bOPV/SHAN6
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Reporting group description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN6 vaccine at the age of 6 to 8 weeks, along with SHAN5 + bOPV at the age of 10 to 12 weeks and SHAN6 at the age of 14-16 weeks, co-administered with PCV and ORV vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks in the primary phase of the study. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Group C: SHAN 5 + bOPV + IPV
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Reporting group description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN5+bOPV vaccine, co-administered with PCV and ORV vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks and IPV at 14 to 16 weeks in the primary phase of the study. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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End points reporting groups
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Reporting group title |
Group A: SHAN6
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Reporting group description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN6 vaccine, co-administered with pneumococcal conjugate vaccine (PCV) and oral rotavirus vaccine (ORV) vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks in the primary phase of the study. | ||
Reporting group title |
Group B: SHAN6/SHAN 5+bOPV/SHAN6
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Reporting group description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN6 vaccine at the age of 6 to 8 weeks, along with SHAN5 + bOPV at the age of 10 to 12 weeks and SHAN6 at the age of 14-16 weeks, co-administered with PCV and ORV vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks in the primary phase of the study. | ||
Reporting group title |
Group C: SHAN 5 + bOPV + IPV
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Reporting group description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN5+bOPV vaccine, co-administered with PCV and ORV vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks and IPV at 14 to 16 weeks in the primary phase of the study. |
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End point title |
Primary Phase: Percentage of Subjects With Vaccine Seroprotection Against Diphtheria (D), Tetanus (T), Hepatitis B (Hep B), Haemophilus Influenzae Type b (Hib Polyribosyl Ribitol Phosphate [PRP]) and Poliovirus (Polio) Antigens [1] | |||||||||||||||||||||||||||||||||
End point description |
Seroprotection status for diphtheria, tetanus, hepatitis B (HBs), Hib (PRP) and poliovirus antigens (antipolio 1, 2, and 3) were defined as following: anti-diphtheria (Anti-D) and anti-tetanus (Anti-T) antibody (Ab) titers greater than or equal to (>=) 0.01 international unit (IU)/mL; Anti-HBs Ab titers >=10 milli-international units (mUI)/mL; Anti-PRP Ab titers >= 0.15 micrograms (mcg)/mL; Anti-polio 1, 2, and 3 Ab titers >=8 (1/dilution[dil]). Analysis was performed on per protocol analysis set (PPAS) which was defined as the subset of enrolled subjects who received at least 1 dose of the study vaccine without any relevant protocol deviations and had available data at specified time point. Here, 'n'=subjects with available data for each specified category.
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End point type |
Primary
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End point timeframe |
28 days post third dose (i.e., Day 84)
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Notes [1] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Data for Group B was not analysed, which is in accordance with the design of the study as pre-specified in the protocol. |
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Statistical analysis title |
Anti-D: SHAN6 vs SHAN5+bOP+IPV | |||||||||||||||||||||||||||||||||
Comparison groups |
Group A: SHAN6 v Group C: SHAN 5 + bOPV + IPV
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Number of subjects included in analysis |
381
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Analysis specification |
Pre-specified
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Analysis type |
non-inferiority [2] | |||||||||||||||||||||||||||||||||
Method |
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Parameter type |
Difference in Percentage | |||||||||||||||||||||||||||||||||
Point estimate |
0
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Confidence interval |
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level |
95% | |||||||||||||||||||||||||||||||||
sides |
2-sided
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lower limit |
-1.95 | |||||||||||||||||||||||||||||||||
upper limit |
2 | |||||||||||||||||||||||||||||||||
Notes [2] - Non-inferiority was concluded if the lower limit of 2-sided 95% CI of difference in percentage between 2 groups was greater than -10%. |
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Statistical analysis title |
Anti-T: SHAN6 vs SHAN5+bOP+IPV | |||||||||||||||||||||||||||||||||
Comparison groups |
Group A: SHAN6 v Group C: SHAN 5 + bOPV + IPV
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Number of subjects included in analysis |
381
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Analysis specification |
Pre-specified
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Analysis type |
non-inferiority [3] | |||||||||||||||||||||||||||||||||
Method |
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Parameter type |
Difference in Percentage | |||||||||||||||||||||||||||||||||
Point estimate |
0
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Confidence interval |
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level |
95% | |||||||||||||||||||||||||||||||||
sides |
2-sided
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lower limit |
-1.95 | |||||||||||||||||||||||||||||||||
upper limit |
2 | |||||||||||||||||||||||||||||||||
Notes [3] - Non-inferiority was concluded if the lower limit of 2-sided 95% CI of difference in percentage between 2 groups was greater than -10%. |
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Statistical analysis title |
Anti-HBs: SHAN6 vs SHAN5+bOP+IPV | |||||||||||||||||||||||||||||||||
Comparison groups |
Group C: SHAN 5 + bOPV + IPV v Group A: SHAN6
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Number of subjects included in analysis |
381
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Analysis specification |
Pre-specified
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Analysis type |
non-inferiority [4] | |||||||||||||||||||||||||||||||||
Method |
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Parameter type |
Difference in Percentage | |||||||||||||||||||||||||||||||||
Point estimate |
2.35
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Confidence interval |
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level |
95% | |||||||||||||||||||||||||||||||||
sides |
2-sided
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lower limit |
-2.58 | |||||||||||||||||||||||||||||||||
upper limit |
7.5 | |||||||||||||||||||||||||||||||||
Notes [4] - Non-inferiority was concluded if the lower limit of 2-sided 95% CI of difference in percentage between 2 groups was greater than -10%. |
||||||||||||||||||||||||||||||||||
Statistical analysis title |
Anti-PRP: SHAN6 vs SHAN5+bOP+IPV | |||||||||||||||||||||||||||||||||
Comparison groups |
Group A: SHAN6 v Group C: SHAN 5 + bOPV + IPV
|
|||||||||||||||||||||||||||||||||
Number of subjects included in analysis |
381
|
|||||||||||||||||||||||||||||||||
Analysis specification |
Pre-specified
|
|||||||||||||||||||||||||||||||||
Analysis type |
non-inferiority [5] | |||||||||||||||||||||||||||||||||
Method |
||||||||||||||||||||||||||||||||||
Parameter type |
Difference in Percentage | |||||||||||||||||||||||||||||||||
Point estimate |
-0.52
|
|||||||||||||||||||||||||||||||||
Confidence interval |
||||||||||||||||||||||||||||||||||
level |
95% | |||||||||||||||||||||||||||||||||
sides |
2-sided
|
|||||||||||||||||||||||||||||||||
lower limit |
-2.91 | |||||||||||||||||||||||||||||||||
upper limit |
1.55 | |||||||||||||||||||||||||||||||||
Notes [5] - Non-inferiority was concluded if the lower limit of 2-sided 95% CI of difference in percentage between 2 groups was greater than -10%. |
||||||||||||||||||||||||||||||||||
Statistical analysis title |
Anti-Polio 1: SHAN6 vs SHAN5+bOP+IPV | |||||||||||||||||||||||||||||||||
Comparison groups |
Group A: SHAN6 v Group C: SHAN 5 + bOPV + IPV
|
|||||||||||||||||||||||||||||||||
Number of subjects included in analysis |
381
|
|||||||||||||||||||||||||||||||||
Analysis specification |
Pre-specified
|
|||||||||||||||||||||||||||||||||
Analysis type |
non-inferiority [6] | |||||||||||||||||||||||||||||||||
Method |
||||||||||||||||||||||||||||||||||
Parameter type |
Difference in Percentage | |||||||||||||||||||||||||||||||||
Point estimate |
0.01
|
|||||||||||||||||||||||||||||||||
Confidence interval |
||||||||||||||||||||||||||||||||||
level |
95% | |||||||||||||||||||||||||||||||||
sides |
2-sided
|
|||||||||||||||||||||||||||||||||
lower limit |
-2.4 | |||||||||||||||||||||||||||||||||
upper limit |
2.48 | |||||||||||||||||||||||||||||||||
Notes [6] - Non-inferiority was concluded if the lower limit of 2-sided 95% CI of difference in percentage between 2 groups was greater than -10%. |
||||||||||||||||||||||||||||||||||
Statistical analysis title |
Anti-Polio 2: SHAN6 vs SHAN5+bOP+IPV | |||||||||||||||||||||||||||||||||
Comparison groups |
Group A: SHAN6 v Group C: SHAN 5 + bOPV + IPV
|
|||||||||||||||||||||||||||||||||
Number of subjects included in analysis |
381
|
|||||||||||||||||||||||||||||||||
Analysis specification |
Pre-specified
|
|||||||||||||||||||||||||||||||||
Analysis type |
non-inferiority [7] | |||||||||||||||||||||||||||||||||
Method |
||||||||||||||||||||||||||||||||||
Parameter type |
Difference in Percentage | |||||||||||||||||||||||||||||||||
Point estimate |
1.65
|
|||||||||||||||||||||||||||||||||
Confidence interval |
||||||||||||||||||||||||||||||||||
level |
95% | |||||||||||||||||||||||||||||||||
sides |
2-sided
|
|||||||||||||||||||||||||||||||||
lower limit |
-1.08 | |||||||||||||||||||||||||||||||||
upper limit |
4.96 | |||||||||||||||||||||||||||||||||
Notes [7] - Non-inferiority was concluded if the lower limit of 2-sided 95% CI of difference in percentage between 2 groups was greater than -10%. |
||||||||||||||||||||||||||||||||||
Statistical analysis title |
Anti-Polio 3: SHAN6 vs SHAN5+bOP+IPV | |||||||||||||||||||||||||||||||||
Comparison groups |
Group A: SHAN6 v Group C: SHAN 5 + bOPV + IPV
|
|||||||||||||||||||||||||||||||||
Number of subjects included in analysis |
381
|
|||||||||||||||||||||||||||||||||
Analysis specification |
Pre-specified
|
|||||||||||||||||||||||||||||||||
Analysis type |
non-inferiority [8] | |||||||||||||||||||||||||||||||||
Method |
||||||||||||||||||||||||||||||||||
Parameter type |
Difference in Percentage | |||||||||||||||||||||||||||||||||
Point estimate |
-1.05
|
|||||||||||||||||||||||||||||||||
Confidence interval |
||||||||||||||||||||||||||||||||||
level |
95% | |||||||||||||||||||||||||||||||||
sides |
2-sided
|
|||||||||||||||||||||||||||||||||
lower limit |
-3.74 | |||||||||||||||||||||||||||||||||
upper limit |
1.12 | |||||||||||||||||||||||||||||||||
Notes [8] - Non-inferiority was concluded if the lower limit of 2-sided 95% CI of difference in percentage between 2 groups was greater than -10%. |
|
|||||||||||||||||||
End point title |
Primary Phase: Adjusted Geometric Mean Concentrations (aGMCs) of Antibodies Against Pertussis Antigens [9] | ||||||||||||||||||
End point description |
Adjusted geometric mean concentrations for anti-pertussis toxin (PT) and anti-fimbriae (FIM) were measured by endotoxin units per millilitre (EU/mL). The adjusted GMCs was computed using analysis of covariance to adjust for baseline disparities and to consider the correlation between pre- and post- concentration, through an Analysis of covariance (ANCOVA) model using the pre-vaccination (Day 0) log-transformed concentration as a covariate for adjustment in order to account for the associated variability. Analysis was performed on PPAS.
|
||||||||||||||||||
End point type |
Primary
|
||||||||||||||||||
End point timeframe |
28 days post third dose (i.e., Day 84)
|
||||||||||||||||||
Notes [9] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Data for Group B was not analysed, which is in accordance with the design of the study as pre-specified in the protocol. |
|||||||||||||||||||
|
|||||||||||||||||||
Statistical analysis title |
Anti-PT: SHAN6 vs SHAN 5 + bOPV + IPV | ||||||||||||||||||
Comparison groups |
Group A: SHAN6 v Group C: SHAN 5 + bOPV + IPV
|
||||||||||||||||||
Number of subjects included in analysis |
381
|
||||||||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||||||||
Analysis type |
non-inferiority [10] | ||||||||||||||||||
Method |
|||||||||||||||||||
Parameter type |
Geometric mean ratio | ||||||||||||||||||
Point estimate |
0.637
|
||||||||||||||||||
Confidence interval |
|||||||||||||||||||
level |
95% | ||||||||||||||||||
sides |
2-sided
|
||||||||||||||||||
lower limit |
0.457 | ||||||||||||||||||
upper limit |
0.886 | ||||||||||||||||||
Notes [10] - Non-inferiority was concluded if the lower limit of 2-sided 95% CI of ratio between 2 groups was greater than 0.5. |
|||||||||||||||||||
Statistical analysis title |
Anti-FIM: SHAN6 vs SHAN 5 + bOPV + IPV | ||||||||||||||||||
Comparison groups |
Group A: SHAN6 v Group C: SHAN 5 + bOPV + IPV
|
||||||||||||||||||
Number of subjects included in analysis |
381
|
||||||||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||||||||
Analysis type |
non-inferiority [11] | ||||||||||||||||||
Method |
|||||||||||||||||||
Parameter type |
Geometric mean ratio | ||||||||||||||||||
Point estimate |
0.767
|
||||||||||||||||||
Confidence interval |
|||||||||||||||||||
level |
95% | ||||||||||||||||||
sides |
2-sided
|
||||||||||||||||||
lower limit |
0.576 | ||||||||||||||||||
upper limit |
1.02 | ||||||||||||||||||
Notes [11] - Non-inferiority was concluded if the lower limit of 2-sided 95% CI of ratio between 2 groups was greater than 0.5. |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point title |
Primary Phase: Percentage of Subjects With Antibody Titers Above Predefined Thresholds Against Diphtheria (D), Tetanus (T), Hepatitis B (HBs), Haemophilus influenzae type b (Hib [PRP]) and Poliovirus (Polio) Antigens | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
Antibody titers above the following cut-off for each antigen were defined as: Anti-D Ab titers >= 0.01 IU/mL, >= 0.1 IU/mL, and >= 1.0 IU/mL; Anti-T Ab titers >= 0.01 IU/mL, >= 0.1 IU/mL, and >= 1.0 IU/mL; Anti-HBs Ab titers >=10 mIU/mL and >= 100 mIU/mL; Anti-PRP Ab titers >= 0.15 mcg/mL and >=1.0 mcg/mL; Anti-Polio 1, 2, and 3 Ab titers >= 8 (1/dil). Analysis was performed on FAS population which was defined as the subset of enrolled subjects who received at least 1 dose of the study vaccine. Here, ‘n’ = subjects with available data for each specified category.
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point type |
Secondary
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point timeframe |
Day 0 (pre-vaccination) and 28 days post third dose (i.e., Day 84)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||||||||||||||||||
End point title |
Primary Phase: Percentage of Subjects With Vaccine Response Against Pertussis Antigens | ||||||||||||||||||||||||||||||||
End point description |
Pertussis antigens vaccine response status for anti-PT, anti-filamentous hemagglutinin (anti-FHA), anti-pertactin (PRN), and anti-FIM Abs was defined as follows: post-dose 3 vaccination concentration >= 4*lower limit of quantification (LLOQ) of the assay, if the pre-vaccination concentration was less than (<) 4*LLOQ of the assay or; post-dose 3 vaccination concentration >= the pre-vaccination concentration, if the pre-vaccination concentration was >= 4*LLOQ of the assay. Analysis was performed on FAS population. Here, ‘number of subjects analysed’ = subjects with available data for this endpoint.
|
||||||||||||||||||||||||||||||||
End point type |
Secondary
|
||||||||||||||||||||||||||||||||
End point timeframe |
28 days post third dose (i.e., Day 84)
|
||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||||||||||||||||||
End point title |
Primary Phase: Percentage of Subjects With Vaccine Seroconversion Against Pertussis Antigens | ||||||||||||||||||||||||||||||||
End point description |
Pertussis antigens vaccine seroconversion for anti-PT, anti-FHA, anti-PRN, and anti-FIM Abs were defined as follows: a >= 4-fold rise in the respective PT, FHA, PRN, FIM Ab concentration between pre-dose 1 (Day 0) and post-dose 3 (Day 84). Analysis was performed on FAS population. Here, ‘number of subjects analysed’ = subjects with available data for this endpoint.
|
||||||||||||||||||||||||||||||||
End point type |
Secondary
|
||||||||||||||||||||||||||||||||
End point timeframe |
Pre-dose up to 28 days post third dose (i.e., Day 84)
|
||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point title |
Primary Phase: Geometric Mean Concentrations Ratios (GMCRs) of Antibodies Against all the Antigens | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
Antibodies to Diphtheria, Tetanus, PT, PRN, FIM and FHA were measured by Multiplexed Electro chemiluminescent method; Anti-HBs by enzyme-linked immunosorbent assay (ELISA); Anti-PRP by polyribosyl-ribitol phosphate Radioimmune assay (PRP-RIA); Poliovirus types 1, 2, and 3 by micro metabolic inhibition testing (MIT). Geometric mean Concentrations (GMCs) of antibodies against various antigens were measured in terms of: Anti-D and Anti-T Ab titers: IU/mL; Anti-PT, Anti-FIM, Anti-PRN, Anti-FHA: EU/mL; Anti-HBs Ab titers: mIU/mL; Anti-PRP Ab titer: mcg/mL; and Anti-polio 1, 2, and 3 Ab titers: 1/dil. GMCRs were calculated as the ratio of GMCs post vaccination (i.e., on Day 84) and pre-vaccination on Day 0. Analysis was performed on FAS population. Here, ‘number of subjects analysed’ = subjects with available data for this endpoint and ‘n’ = subjects with available data for each specified category.
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point type |
Secondary
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point timeframe |
Day 0 (pre-vaccination) and 28 days post third dose (i.e., Day 84)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point title |
Primary Phase: Geometric Mean Concentrations Ratios (GMCRs) of Antibodies Against Anti-rotavirus and Anti-Streptococcus Pneumoniae Antigens | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
Anti-Rotavirus antibodies were detected by IgA enzyme immunoassay and Anti-Streptococcus pneumoniae antibodies (serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, and 23F) were detected by pneumococcal capsular polysaccharide (PnPS) immunoglobulin G (IgG) electrochemiluminescence (ECL) assay in human serum. GMCs of antibodies against anti-rotavirus antigens were measured in terms of U/mL and pneumococcal serotypes in terms of mcg/mL. GMCRs were calculated as the ratio of GMCs post vaccination (i.e., on Day 84) and pre-vaccination on Day 0. Analysis was performed on FAS population. Here, ‘number of subjects analysed’ = subjects with available data for this endpoint and ‘n’ = subjects with available data for each specified category.
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point type |
Secondary
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point timeframe |
Day 0 (pre-vaccination) and 28 days post third dose (i.e., Day 84)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point title |
Primary Phase: Geometric Mean Concentrations (GMCs) of Antibodies Against all the Antigens | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
Antibodies to Diphtheria, Tetanus, Pertussis, PRN, FIM and FHA were measured by multiplexed electro chemiluminescent method; Anti-HBs by ELISA assay method; Anti-PRP by PRP-RIA; Poliovirus types 1, 2, and 3 by MIT. GMCs of antibodies against various antigens were measured in terms of: Anti-D and Anti-T Ab titers: IU/mL; Anti-PT, Anti-FIM, Anti-PRN, Anti-FHA: EU/mL; Anti-HBs Ab titers: mIU/mL; Anti-PRP Ab titer: mcg/mL; and Anti-polio 1, 2, and 3 Ab titers: 1/dilution. Analysis was performed on FAS population. Here, ‘number of subjects analysed’ = subjects with available data for this endpoint and 'n' = subjects with available data for each specified category.
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point type |
Secondary
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point timeframe |
Day 0 (pre-vaccination) and 28 days post third dose (i.e., Day 84)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point title |
Primary Phase: Geometric Mean Concentrations (GMCs) of Antibodies Against Anti-rotavirus and Anti-S. pneumoniae Antigens | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
Anti-Rotavirus antibodies were detected by IgA enzyme immunoassay and Anti-Streptococcus pneumoniae (serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, and 23F) antibodies were detected by PnPS IgG ECL assay in human serum. GMCs of antibodies against anti-rotavirus antigens were measured in terms of U/mL and for pneumococcal serotypes in terms of mcg/mL. Analysis was performed on FAS population. Here, ‘number of subjects analysed’ = subjects with available data for this endpoint and ‘n’ = subjects with available data for each specified category.
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point type |
Secondary
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point timeframe |
Day 0 (pre-vaccination) and 28 days post third dose (i.e., Day 84)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||
End point title |
Primary Phase: Percentage of Subjects With >=4-fold Rise in Anti-rotavirus Antibody Titers | ||||||||||||||||
End point description |
Anti-Rotavirus antibodies were detected by IgA enzyme immunoassay. Percentage of subjects with >= 4-fold rise in serum IgA anti-rotavirus Ab titers were reported in this endpoint. Analysis was performed on FAS population. Here, ‘number of subjects analysed’ = subjects with available data for this endpoint.
|
||||||||||||||||
End point type |
Secondary
|
||||||||||||||||
End point timeframe |
28 days post third dose (i.e., Day 84)
|
||||||||||||||||
|
|||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point title |
Primary Phase: Percentage of Subjects With Anti-pneumococcal Titers >= 0.35 mcg/mL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
Anti-Streptococcus pneumoniae (serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, and 23F) antibodies were detected by PnPS IgG ECL assay in human serum. GMCs of antibodies against antirotavirus antigens were measured in terms of U/mL and for pneumococcal serotypes in terms of mcg/mL. Analysis was performed on FAS population. Here, ‘number of subjects analysed’ = subjects with available data for this endpoint and ‘n’ = subjects with available data for each specified category.
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point type |
Secondary
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point timeframe |
Day 0 (pre-vaccination) and 28 days post third dose (i.e., Day 84)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||
End point title |
Booster Phase: Percentage of Subjects With Antibody Titers Above Predefined Thresholds Against Diphtheria (D), Tetanus (T), Hepatitis B (Hep B), Haemophilus influenzae type b (Hib [PRP]) and Poliovirus (Polio) Antigens Following Booster Vaccination | ||||||||||||||||
End point description |
Due to early termination of the study, Booster Phase endpoints data was not collected and analysed.
|
||||||||||||||||
End point type |
Secondary
|
||||||||||||||||
End point timeframe |
Pre-booster and 28 days after the booster dose (at Day 525-890)
|
||||||||||||||||
|
|||||||||||||||||
Notes [12] - Data was not collected and analysed. [13] - Data was not collected and analysed. [14] - Data was not collected and analysed. |
|||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||
End point title |
Booster Phase: Percentage of Subjects With Vaccine Response Against Pertussis Antigens Following Booster Vaccination | ||||||||||||||||
End point description |
Due to early termination of the study, Booster Phase endpoints data was not collected and analysed.
|
||||||||||||||||
End point type |
Secondary
|
||||||||||||||||
End point timeframe |
28 days after the booster dose (at Day 525-890)
|
||||||||||||||||
|
|||||||||||||||||
Notes [15] - Data was not collected and analysed. [16] - Data was not collected and analysed. [17] - Data was not collected and analysed. |
|||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||||
End point title |
Booster Phase: Percentage of Subjects With Vaccine Seroconversion Against Pertussis Antigens Following Booster Vaccination | ||||||||||||||||
End point description |
Due to early termination of the study, Booster Phase endpoints data was not collected and analysed.
|
||||||||||||||||
End point type |
Secondary
|
||||||||||||||||
End point timeframe |
Pre-booster up to 28 days after the booster dose (at Day 525-890)
|
||||||||||||||||
|
|||||||||||||||||
Notes [18] - Data was not collected and analysed. [19] - Data was not collected and analysed. [20] - Data was not collected and analysed. |
|||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Primary Phase: Number of Subjects Reporting Immediate Unsolicited Adverse Events (AEs) | ||||||||||||
End point description |
An AE was defined as any untoward medical occurrence in a subject who received study vaccine and does not necessarily had to have a causal relationship with treatment. An unsolicited AE was an observed AE that did not fulfill the conditions prelisted in the case report book (CRB) in terms of diagnosis and/or onset post-vaccination. All subjects were observed for 30 minutes after any vaccination, and any unsolicited AEs occurred during that time were recorded as immediate unsolicited AEs in the CRB. Analysis was performed on safety analysis set (SafAS) that included subjects who had received at least one dose of the study vaccine and were analysed according to the vaccine they actually received.
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End point type |
Secondary
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End point timeframe |
Within 30 minutes post-any vaccination
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No statistical analyses for this end point |
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End point title |
Primary Phase: Number of Subjects Reporting Solicited Injection Site and Systemic Reactions | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
A solicited reaction (SR) was an expected adverse reaction (AR) observed and reported under conditions (nature and onset) prelisted (i.e., solicited) in the CRB and considered as related to vaccination. An AR was all noxious and unintended responses to a medicinal product related to any dose. Solicited injection site reactions included injection site tenderness, erythema and swelling. Solicited systemic reactions included fever, vomiting, crying abnormal, drowsiness, appetite lost and irritability. Analysis was performed on SafAS. Here, 'n' = subjects with available data for each specified category and "vacc." = vaccination.
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End point type |
Secondary
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End point timeframe |
Within 7 days post-any and each vaccination 1, 2 and 3
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No statistical analyses for this end point |
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End point title |
Primary Phase: Number of Subjects Reporting Unsolicited Adverse Events (AEs) | ||||||||||||||||||||||||||||
End point description |
An AE was defined as any untoward medical occurrence in a subject who received study vaccine and does not necessarily had to have a causal relationship with treatment. An unsolicited AE was an observed AE that did not fulfill the conditions prelisted in the CRB in terms of diagnosis and/or onset post-vaccination. Analysis was performed on SafAS. Here, 'n' = subjects with available data for each specified category.
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End point type |
Secondary
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End point timeframe |
From Day 0 up to Day 28 post any and each vaccination 1, 2 and 3
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No statistical analyses for this end point |
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End point title |
Primary Phase: Number of Subjects Reporting Serious Adverse Events (SAEs) | ||||||||||||
End point description |
An AE was defined as any untoward medical occurrence in a subject who received study vaccine and does not necessarily had to have a causal relationship with treatment. An SAE was any untoward medical occurrence that at any dose resulted in death, life-threatening, initial or prolonged inpatient hospitalization, persistent or significant disability/incapacity, congenital anomaly/birth defect or a medically important event. Analysis was performed on SafAS.
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End point type |
Secondary
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End point timeframe |
From Baseline up to Day 84 post any vaccination
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No statistical analyses for this end point |
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End point title |
Booster Phase: Number of Subjects Reporting Immediate Unsolicited AEs Following Booster Vaccination | ||||||||||||
End point description |
Due to early termination of the study, Booster Phase endpoints data was not collected and analysed.
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End point type |
Secondary
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End point timeframe |
Within 30 minutes post-any vaccination
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Notes [21] - Data was not collected and analysed. [22] - Data was not collected and analysed. [23] - Data was not collected and analysed. |
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No statistical analyses for this end point |
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End point title |
Booster Phase: Number of Subjects Reporting Solicited Injection Site and Systemic Reactions | ||||||||||||
End point description |
Due to early termination of the study, Booster Phase endpoints data was not collected and analysed.
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End point type |
Secondary
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End point timeframe |
Within 7 days post any vaccination
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Notes [24] - Data was not collected and analysed. [25] - Data was not collected and analysed. [26] - Data was not collected and analysed. |
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No statistical analyses for this end point |
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End point title |
Booster Phase: Number of Subjects Reporting Unsolicited Adverse Events (AEs) | ||||||||||||
End point description |
Due to early termination of the study, Booster Phase endpoints data was not collected and analysed.
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End point type |
Secondary
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End point timeframe |
From Day 0 up to Day 28 post any vaccination
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Notes [27] - Data was not collected and analysed. [28] - Data was not collected and analysed. [29] - Data was not collected and analysed. |
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No statistical analyses for this end point |
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End point title |
Booster Phase: Number of Subjects Reporting Serious Adverse Events (SAEs) | ||||||||||||
End point description |
Due to early termination of the study Booster Phase endpoints data was not collected and analysed.
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End point type |
Secondary
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End point timeframe |
From Day 84 up to Day 890 post booster injection
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Notes [30] - Data was not collected and analysed. [31] - Data was not collected and analysed. [32] - Data was not collected and analysed. |
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No statistical analyses for this end point |
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Adverse events information
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Timeframe for reporting adverse events |
Unsolicited AEs: Day 0 to Day 28 post any vaccination SR: within 7 post any vaccination; SAE: FromBaseline up to Day 84 post-any vaccination for primary phase of the study
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Adverse event reporting additional description |
SR was AE that was prelisted (i.e., solicited) in the eCRF and considered to be related to vaccination (adverse drug reaction). An unsolicited AE was an observed AE that did not fulfill the conditions prelisted (i.e., solicited) in the eCRF in terms of symptom and/or onset post-vaccination. SafAS. In AE section, SR fever is reported as pyrexia.
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Assessment type |
Systematic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
24.1
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Reporting groups
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Reporting group title |
Group A: SHAN6
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Reporting group description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN6 vaccine, co-administered with PCV and ORV vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks in the primary phase of the study. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Group B: SHAN6/SHAN 5+bOPV/SHAN6
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Reporting group description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN6 vaccine at the age of 6 to 8 weeks, along with SHAN5 + bOPV at the age of 10 to 12 weeks and SHAN6 at the age of 14-16 weeks, co-administered with PCV and ORV vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks in the primary phase of the study. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Group C: SHAN 5 + bOPV + IPV
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Reporting group description |
Infants aged 6-8 weeks (at the time of enrollment) received SHAN5+bOPV vaccine, co-administered with PCV and ORV vaccines at the age of 6 to 8 weeks, 10 to 12 weeks and 14-16 weeks and IPV at 14 to 16 weeks in the primary phase of the study. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 5% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Substantial protocol amendments (globally) |
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Were there any global substantial amendments to the protocol? Yes | |||
Date |
Amendment |
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08 Jan 2020 |
Following changes were made: Added that the SHAN6 vaccine for this study could be used either as a single dose formulation or a multidose formulation depending on stocks available at the beginning of the study; the subset of subjects for the determination of the immune response against ORV and PCV antigens were updated. Initially half of the subjects were to be selected randomly on this purpose; The study was realised on infants and toddlers. Therefore, the blood volume taken was low and might have not been sufficient to perform both tests. In order to achieve the immunological objective initially planned, the Sponsor decided to realize the test against ORV antigen on half of the subjects, and the test against PCV on the other half of the subjects. |
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20 May 2021 |
Following changes were made: New study visit was added before booster administration and the booster administration was extended from 18 months to 18-30 months of age. An ICF addendum had been implemented accordingly. The closer to day care/school entry the booster dose is received, the better the boosting effect. The study design was also updated to include the possibility for subjects to receive coronavirus disease 2019 (COVID-19) vaccine, if available. |
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Interruptions (globally) |
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Were there any global interruptions to the trial? No | |||
Limitations and caveats |
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Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data. | |||
Due to early termination of the study, booster phase endpoint data was not collected and analysed. |