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Immunogenicity and Safety of Havrix™ Co-Administered With a Diphtheria, Tetanus and Pertussis and a Haemophilus b Vaccine in Children Aged 15 Months
This study has been completed.
Study NCT00197236   Information provided by GlaxoSmithKline
First Received: September 15, 2005   Last Updated: July 24, 2009   History of Changes
Study Type: Interventional
Study Design: Randomized, Open Label, Parallel Assignment
Condition: Hepatitis A
Interventions: Biological: Havrix™
Biological: Infanrix™
Biological: ActHIB™

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
No text entered.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
Of the total of 468 subjects enrolled, only 394 were vaccinated and as such considered as 'started'.

Reporting Groups
  Description
Havrix Group Subjects received one dose of Havrix at Day 0 followed by a second dose of Havrix at Month 6-9.
Havrix + Infanrix + ActHIB Group Subjects received one dose of Havrix co-administered with Infanrix and ActHIB vaccines at Day 0 followed by a second dose of Havrix at Month 6-9.
Infanrix + ActHIB→Havrix Group Subjects received Infanrix co-administered with ActHIB at Day 0, followed by one dose of Havix at Day 30 and a second dose of Havrix at Month 7-10.

Participant Flow:   Overall Study
  Havrix Group Havrix + Infanrix + ActHIB Group Infanrix + ActHIB→Havrix Group
STARTED   135     127     132  
COMPLETED   121     110     109  
NOT COMPLETED   14     17     23  
      Adverse Event               1                 0                 1  
      Lost to Follow-up               5                 14                 6  
      Protocol Violation               0                 0                 1  
      Withdrawal by Subject               7                 3                 11  
      Study drug/medication expiration               1                 0                 3  
      Returned out of specified time window               0                 0                 1  



  Baseline Characteristics
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Reporting Groups
  Description
Havrix Group Subjects received one dose of Havrix at Day 0 followed by a second dose of Havrix at Month 6-9.
Havrix + Infanrix + ActHIB Group Subjects received one dose of Havrix co-administered with Infanrix and ActHIB vaccines at Day 0 followed by a second dose of Havrix at Month 6-9.
Infanrix + ActHIB→Havrix Group Subjects received Infanrix co-administered with ActHIB at Day 0, followed by one dose of Havix at Day 30 and a second dose of Havrix at Month 7-10.

Baseline Measures
  Havrix Group Havrix + Infanrix + ActHIB Group Infanrix + ActHIB→Havrix Group Total
Number of Participants  
[units: participants]
135 127 132 394
Age  
[units: months]
Mean ± Standard Deviation
15.1 ± 0.36 15.1 ± 0.3 15.0 ± 0.21 15.1 ± 0.30
Gender  
[units: subjects]
       
Female 55 64 67 186
Male 80 63 65 208



  Outcome Measures
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1.  Primary:   Number of Seropositive Subjects for Anti-hepatitis A Virus (HAV) Antibodies Following the Second Dose of Havrix   [ 31 days following the second dose of Havrix™ ]

2.  Primary:   Number of Anti-diphtheria, Anti-tetanus and Anti-polyribosylribitol Phosphate (PRP) Seroprotected Subjects   [ 31 days following the administration of Infanrix™ and ActHIB ]

3.  Primary:   Number of Vaccine Responders for Anti-pertussis Toxoid (PT), Anti-filamentous Hemagglutinin (FHA) and Anti-pertactin (PRN)   [ 31 days following the administration of Infanrix™ and ActHIB ]

4.  Secondary:   Anti-diphtheria and Anti-tetanus Antibody Geometric Mean Concentrations (GMC)   [ 31 days following the administration of Infanrix™ and ActHIB ]

5.  Secondary:   Anti-polyribosylribitol Phosphate (PRP) Antibody Geometric Mean Concentrations (GMC)   [ 31 days following the administration of Infanrix™ and ActHIB ]

6.  Secondary:   Number of Subjects Seropositive for Anti-pertussis Toxoid (PT), Anti-filamentous Hemagglutinin (FHA), Anti-pertactin (PRN) and Anti-polyribosylribitol Phosphate (PRP)   [ 31 days following the administration of Infanrix™ and ActHIB ]

7.  Secondary:   Number of Seropositive Subjects for Anti-hepatitis A Virus (HAV) Antibodies Following the First Dose of Havrix   [ 31 days following the first dose of Havrix™ ]

8.  Secondary:   Anti-hepatitis A Virus (HAV) Antibody Geometric Mean Concentrations (GMC) Following the First Dose of Havrix   [ 31 days following the first dose of Havrix™ ]

9.  Secondary:   Anti-hepatitis Virus A (HAV) Antibody Geometric Mean Concentrations (GMC) Following the Second Dose of Havrix   [ 31 days following the second dose of Havrix™ ]

10.  Secondary:   Number of Subjects With Vaccine Response to Havrix™.   [ 31 days following the second dose ]

11.  Secondary:   Number of Subjects Reporting Solicited Local Adverse Events (AEs)   [ 4-day period following each dose of study vaccine(s) ]

12.  Secondary:   Number of Subjects Reporting Solicited General Adverse Events (AEs)   [ 4-day period following each dose of study vaccine(s) ]

13.  Secondary:   Number of Subjects Reporting Unsolicited Adverse Events (AEs)   [ 31-day period following each dose of study vaccine(s) ]

14.  Secondary:   Number of Subjects Reporting Serious Adverse Events (SAEs), New Chronic Illnesses and Medically Significant Events   [ Active Phase and the 6-months Extended Safety Follow-up (ESFU) Phase. ]


  Serious Adverse Events
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  Other Adverse Events
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