Clinical Trial Results:
A Phase I/IIb randomized, double-blind, controlled study of the safety, immunogenicity and proof-of-concept of RTS,S/AS02D, a candidate malaria vaccine in infants living in a malaria-endemic region.
Summary
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EudraCT number |
2015-001538-25 |
Trial protocol |
Outside EU/EEA |
Global end of trial date |
27 Dec 2007
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Results information
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Results version number |
v1(current) |
This version publication date |
27 Apr 2016
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First version publication date |
17 Jul 2015
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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 |
103967
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
NCT00197028 | ||
WHO universal trial number (UTN) |
- | ||
Other trial identifiers |
IND number: 10514 | ||
Sponsors
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Sponsor organisation name |
GlaxoSmithKline Biologicals
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Sponsor organisation address |
Rue de l’Institut 89, Rixensart, Belgium, B-1330
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Public contact |
Clinical Trials Call Center, GlaxoSmithKline Biologicals, 044 2089-904466, GSKClinicalSupportHD@gsk.com
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Scientific contact |
Clinical Trials Call Center, GlaxoSmithKline Biologicals, 044 2089-904466, GSKClinicalSupportHD@gsk.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 |
03 Jul 2008
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Is this the analysis of the primary completion data? |
Yes
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Primary completion date |
27 Dec 2007
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Global end of trial reached? |
Yes
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Global end of trial date |
27 Dec 2007
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Was the trial ended prematurely? |
No
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General information about the trial
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Main objective of the trial |
To describe the safety and reactogenicity of RTS,S/AS02D administered as 3 doses intramuscularly in the left thigh to infants at 10, 14 and 18 weeks of age, staggered with the administration of 3 doses of TETRActHib (vaccine against diphteria, tetanus, pertussis and Haemophilus influenzae type B) intramuscularly in the right thigh at 8, 12 and 16 weeks of age.
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Protection of trial subjects |
The vaccines were observed closely for at least 60 minutes, with appropriate medical treatment readily available in case of an anaphylactic reaction following the administration of vaccines.
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
23 Aug 2005
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Long term follow-up planned |
Yes
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Long term follow-up rationale |
Safety, Efficacy | ||
Long term follow-up duration |
11 Months | ||
Independent data monitoring committee (IDMC) involvement? |
Yes
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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 |
Mozambique: 220
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Worldwide total number of subjects |
220
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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) |
220
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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 |
220 subjects were enrolled in the study out of which 214 were vaccinated and 6 were not withdrawn from the study by removal of consent by their parents/guardians. | |||||||||||||||||||||||||||
Pre-assignment
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Screening details |
The study comprised 2 phases, a double-blind vaccination phase from Month 0 to Month 6, and a single-blind phase (Month 7 to Month 14). | |||||||||||||||||||||||||||
Pre-assignment period milestones
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Number of subjects started |
220 | |||||||||||||||||||||||||||
Number of subjects completed |
214 | |||||||||||||||||||||||||||
Pre-assignment subject non-completion reasons
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Reason: Number of subjects |
Consent withdrawn by subject: 6 | |||||||||||||||||||||||||||
Period 1
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Period 1 title |
Overall Study (overall period)
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Is this the baseline period? |
Yes | |||||||||||||||||||||||||||
Allocation method |
Randomised - controlled
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Blinding used |
Double blind | |||||||||||||||||||||||||||
Roles blinded |
Subject, Investigator, Monitor, Data analyst, Carer, Assessor | |||||||||||||||||||||||||||
Blinding implementation details |
‘Double blinded (observer blinded)’ means that the vaccinees and their parent(s)/guardian(s) and those responsible for the evaluation of safety, immunogenicity and efficacy endpoints were all unaware which treatment, RTS,S/AS02D or Engerix-B, was administered to a particular subject. The only study staff aware of the vaccine assignment for RTS,S/AS02D or Engerix-B will be those responsible for the preparation and administration of vaccines; these staff will play no other role in the study.
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Arms
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Are arms mutually exclusive |
Yes
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Arm title
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RTS,S/AS02D Group | |||||||||||||||||||||||||||
Arm description |
Subjects aged between 6 and 12 weeks at the time of first vaccination received by intramuscular injection a 3-dose vaccination course of RTS,S/AS02D at days 14, 44 and 74 and a 3-dose vaccination course of TETRActHib™ vaccine at days 0, 30 and 60. The RTS,S/AS02D vaccine was administered in the left anterolateral thigh, and the TETRActHib™ vaccine in the right anterolateral thigh. | |||||||||||||||||||||||||||
Arm type |
Experimental | |||||||||||||||||||||||||||
Investigational medicinal product name |
Candidate Plasmodium falciparum malaria vaccine
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Investigational medicinal product code |
RTS,S/AS02D
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Other name |
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Pharmaceutical forms |
Powder and suspension for suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
3-dose intramuscular injection in the thigh
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Investigational medicinal product name |
TETRAct-HIB
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Investigational medicinal product code |
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Other name |
TETRActHib™
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Pharmaceutical forms |
Powder and suspension for suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
3-dose intramuscular injection in the thigh.
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Arm title
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Engerix-B Group | |||||||||||||||||||||||||||
Arm description |
Subjects aged between 6 and 12 weeks at the time of first vaccination received by intramuscular injection a 3-dose vaccination course of Engerix-B® vaccine at days 14, 44 and 74 and a 3-dose of TETRActHib™ vaccine at days 0, 30 and 60. The Engerix-B® vaccine was administered in the left anterolateral thigh, and the TETRActHib™ vaccine in the right anterolateral thigh. | |||||||||||||||||||||||||||
Arm type |
Active comparator | |||||||||||||||||||||||||||
Investigational medicinal product name |
TETRAct-HIB
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Investigational medicinal product code |
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Other name |
TETRActHib™
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Pharmaceutical forms |
Powder and suspension for suspension for injection
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Routes of administration |
Intramuscular use
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Dosage and administration details |
3-dose intramuscular injection in the thigh.
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Investigational medicinal product name |
Engerix-B Junior
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Investigational medicinal product code |
HBV Paediatric 10
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Other name |
Engerix-B®, Engerix-B
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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 |
3-dose intramuscular injection in the thigh.
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Notes [1] - The number of subjects reported to be in the baseline period are not the same as the worldwide number enrolled in the trial. It is expected that these numbers will be the same. Justification: 220 subjects were enrolled in the study out of which 214 were vaccinated and 6 were not withdrawn from the study by removal of consent by their parents/guardians. |
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Baseline characteristics reporting groups
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Reporting group title |
RTS,S/AS02D Group
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Reporting group description |
Subjects aged between 6 and 12 weeks at the time of first vaccination received by intramuscular injection a 3-dose vaccination course of RTS,S/AS02D at days 14, 44 and 74 and a 3-dose vaccination course of TETRActHib™ vaccine at days 0, 30 and 60. The RTS,S/AS02D vaccine was administered in the left anterolateral thigh, and the TETRActHib™ vaccine in the right anterolateral thigh. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Engerix-B Group
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Reporting group description |
Subjects aged between 6 and 12 weeks at the time of first vaccination received by intramuscular injection a 3-dose vaccination course of Engerix-B® vaccine at days 14, 44 and 74 and a 3-dose of TETRActHib™ vaccine at days 0, 30 and 60. The Engerix-B® vaccine was administered in the left anterolateral thigh, and the TETRActHib™ vaccine in the right anterolateral thigh. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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End points reporting groups
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Reporting group title |
RTS,S/AS02D Group
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Reporting group description |
Subjects aged between 6 and 12 weeks at the time of first vaccination received by intramuscular injection a 3-dose vaccination course of RTS,S/AS02D at days 14, 44 and 74 and a 3-dose vaccination course of TETRActHib™ vaccine at days 0, 30 and 60. The RTS,S/AS02D vaccine was administered in the left anterolateral thigh, and the TETRActHib™ vaccine in the right anterolateral thigh. | ||
Reporting group title |
Engerix-B Group
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Reporting group description |
Subjects aged between 6 and 12 weeks at the time of first vaccination received by intramuscular injection a 3-dose vaccination course of Engerix-B® vaccine at days 14, 44 and 74 and a 3-dose of TETRActHib™ vaccine at days 0, 30 and 60. The Engerix-B® vaccine was administered in the left anterolateral thigh, and the TETRActHib™ vaccine in the right anterolateral thigh. |
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End point title |
Number of subjects with serious adverse events (SAEs). [1] | ||||||||||||
End point description |
SAEs were defined as medical occurrences that resulted in death, were life threatening, required hospitalization or prolongation of hospitalization or resulted in disability/incapacity.
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End point type |
Primary
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End point timeframe |
From Month 0 to Month 6.
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Notes [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: The analysis of the primary endpoint was descriptive i.e. no statistical hypothesis test was performed. |
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No statistical analyses for this end point |
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End point title |
Number of subjects with serious adverse events (SAEs). | ||||||||||||
End point description |
SAEs were defined as medical occurrences that resulted in death, were life threatening, required hospitalization or prolongation of hospitalization or resulted in disability/incapacity.
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End point type |
Secondary
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End point timeframe |
Throughout the entire study period (from Month 0 to Month 14).
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No statistical analyses for this end point |
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End point title |
Concentrations of antibodies against hepatitis B (Anti-HB). | ||||||||||||||||||
End point description |
Concentrations were expressed as geometric mean concentrations (GMCs) in milli-international unit per milliliter (mIU/mL). The seroprotection cut-off of the assay was 10 mIU/mL.
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End point type |
Secondary
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End point timeframe |
Prior to vaccination at Month 0 (PRE) and 1 month post Dose 3 of Engerix-B® or RTS,S/AS02D vaccine (Day 104).
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No statistical analyses for this end point |
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End point title |
Concentrations of anti-circumsporozoite protein (anti-CS) antibodies. | |||||||||||||||||||||
End point description |
Antibodies were measured by Enzyme-linked immunosorbent assay (ELISA). Concentrations are expressed as geometric mean concentrations (GMCs) in ELISA unit per milliliter (EL.U/mL). The seropositivity cut-off of the assay was 0.5 EL.U/mL.
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End point type |
Secondary
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End point timeframe |
Prior to vaccination at Month 0 (PRE), 1 month post Dose 3 of Engerix-B® or RTS,S/AS02D vaccine (Day 104) and 3½ months post Dose 3 of Engerix-B® or RTS,S/AS02D vaccine (Day 180).
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No statistical analyses for this end point |
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End point title |
Concentrations of antibodies against anti-diphtheria (Anti-D). | |||||||||||||||
End point description |
Antibodies were measured by Enzyme-linked immunosorbent assay (ELISA). Concentrations were expressed as geometric mean concentrations (GMCs) in international unit per milliliter (IU/mL). The seroprotection cut-off of the assay was 0.1 IU/mL.
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End point type |
Secondary
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End point timeframe |
At Day 90 (1 month post Dose 3 of TETRActHib™ vaccine).
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No statistical analyses for this end point |
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End point title |
Concentrations of antibodies against tetanus (Anti-T). | |||||||||||||||
End point description |
Antibodies were measured by Enzyme-linked immunosorbent assay (ELISA). Concentrations were expressed as geometric mean concentrations (GMCs) in international unit per milliliter (IU/mL). The seroprotection cut-off of the assay was 0.1 IU/mL.
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End point type |
Secondary
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End point timeframe |
At Day 90 (1 month post Dose 3 of TETRActHib™ vaccine).
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No statistical analyses for this end point |
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End point title |
Concentrations of anti-Bordetella pertussis toxin antibodies (Anti-BPT). | |||||||||||||||
End point description |
Antibodies were measured by Enzyme-linked immunosorbent assay (ELISA). Concentrations were expressed as geometric mean concentrations (GMCs) in ELISA unit per milliliter (EL.U/mL). The seropositivity cut-off of the assay was 15 EL.U/mL.
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End point type |
Secondary
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End point timeframe |
At Day 90 (1 month post Dose 3 of TETRActHib™ vaccine).
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No statistical analyses for this end point |
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End point title |
Concentrations of anti-polyribosyl ribitol phosphate antibodies (Anti-PRP). | |||||||||||||||
End point description |
Antibodies were measured by Enzyme-linked immunosorbent assay (ELISA). Concentrations were expressed as geometric mean concentrations (GMCs) in microgram per milliliter (µg/mL). The seroprotection cut-off of the assay was 0.15 µg/mL.
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End point type |
Secondary
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End point timeframe |
At Day 90 (1 month post Dose 3 of TETRActHib™ vaccine).
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No statistical analyses for this end point |
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End point title |
Time to first malaria infection. | |||||||||||||||
End point description |
Malaria infection by Plasmodium falciparum (P. falciparum) was detected by active detection of infection (ADI) and passive case detection (PCD), and was defined as the presence of P. falciparum asexual parasitemia above 0 per microliter (µL) on Giemsa stained thick blood films. The time to first malaria infection is expressed in terms of rate of first malaria infection, that is, the number of malaria infection events reported (n) over the period elapsed until the event occurred (i.e. events per Persons Year at Risk [PYAR]) for each group.
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End point type |
Secondary
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End point timeframe |
Over the period starting 14 days after Dose 3 of RTS,S/AS02D or Engerix-B® vaccine and extending for 12 weeks thereafter (from Month 2.5 to Month 6).
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No statistical analyses for this end point |
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End point title |
Number of subjects prevalent for Plasmodium falciparum (P. falciparum). | ||||||||||||
End point description |
Subjects prevalent for P. falciparum parasitemia were defined as subjects with the presence of P. falciparum asexual parasitemia above 0 per microliter (µL) on Giemsa stained thick blood films.
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End point type |
Secondary
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End point timeframe |
At Month 6 (3½ months post Dose 3 of RTS,S/AS02D or Engerix-B® vaccine).
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No statistical analyses for this end point |
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End point title |
Plasmodium falciparum (P. falciparum) parasite density in subjects prevalent for parasitemia. | |||||||||||||||
End point description |
The parasite density in subjects prevalent for P. falciparum parasitemia (subjects with the presence of P. falciparum asexual parasitemia above 0 per microliter (µL) on Giemsa stained thick blood films), was detected at a cross sectional time point 3 ½ months after administration of Dose 3 of RTS,S/AS02D or Engerix-B® vaccine (Month 6). Parasite density is expressed as mean, minimum and maximum density in parasite per µL.
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End point type |
Secondary
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End point timeframe |
At Month 6 (3½ months post Dose 3 of RTS,S/AS02D or Engerix-B® vaccine).
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No statistical analyses for this end point |
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End point title |
Number of subjects with solicited local symptoms. | |||||||||||||||
End point description |
Assessed solicited local symptoms were pain and swelling at injection site.
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End point type |
Secondary
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End point timeframe |
During the 7 day (Days 0-6) follow-up period after any vaccination with TETRActHib™ vaccine.
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No statistical analyses for this end point |
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End point title |
Number of subjects with solicited local symptoms. | |||||||||||||||
End point description |
Assessed solicited local symptoms were pain and swelling at injection site.
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End point type |
Secondary
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End point timeframe |
During the 7 day (Days 0-6) follow-up period after any vaccination with Engerix-B® or RTS,S/AS02D vaccine.
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No statistical analyses for this end point |
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End point title |
Number of subjects with solicited general symptoms. | |||||||||||||||||||||
End point description |
Assessed solicited general symptoms were drowsiness, fever, irritability and loss of appetite. Fever was defined as axillary temperature equal or above (≥) to 37.5 degrees Celsius (C).
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End point type |
Secondary
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End point timeframe |
During the 7 day (Days 0-6) follow-up period after any vaccination with TETRActHib™ vaccine
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No statistical analyses for this end point |
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End point title |
Number of subjects with solicited general symptoms. | |||||||||||||||||||||
End point description |
Assessed solicited general symptoms were drowsiness, fever, irritability and loss of appetite. Fever was defined as axillary temperature equal or above (≥) to 37.5 degrees Celsius (C).
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End point type |
Secondary
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End point timeframe |
During the 7 day (Days 0-6) follow-up period after any vaccination with Engerix-B® or RTS,S/AS02D vaccine.
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No statistical analyses for this end point |
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End point title |
Number of subjects with unsolicited Adverse Events (AEs). | ||||||||||||
End point description |
An unsolicited AE is any AE (i.e. any untoward medical occurrence in a patient or clinical investigation subject, temporally associated with use of a medicinal product, whether or not considered related to the medicinal product) reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms.
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End point type |
Secondary
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End point timeframe |
During the 14 day (Days 0-13) follow-up period after any vaccination with of TETRActHib™ vaccine.
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No statistical analyses for this end point |
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End point title |
Number of subjects with unsolicited Adverse Events (AEs). | ||||||||||||
End point description |
An unsolicited AE is any AE (i.e. any untoward medical occurrence in a patient or clinical investigation subject, temporally associated with use of a medicinal product, whether or not considered related to the medicinal product) reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms.
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End point type |
Secondary
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End point timeframe |
During the 14 day (Days 0-13) follow-up period after vaccination with any among Doses 1 and 2 of Engerix-B® or RTS,S/AS02D vaccine.
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No statistical analyses for this end point |
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End point title |
Number of subjects with unsolicited Adverse Events (AEs). | ||||||||||||
End point description |
An unsolicited AE is any AE (i.e. any untoward medical occurrence in a patient or clinical investigation subject, temporally associated with use of a medicinal product, whether or not considered related to the medicinal product) reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms.
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End point type |
Secondary
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End point timeframe |
During the 30 day (Days 0-29) follow-up period after vaccination with Dose 3 of Engerix-B® or RTS,S/AS02D vaccine.
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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 |
SAEs: entire study period (Months 0-14); Unsolicited AEs: Days 0-13 or 0-29 periods (as specified in notes); Solicited local/general symptoms: 7 day (Days 0-6) follow-up period after any vaccination.
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Adverse event reporting additional description |
For solicited symptoms and unsolicited AEs assessed following vaccination, the number of participants at risk included those vaccinated subjects from the Total Vaccinated cohort who had the symptom sheet completed. The occurrence of reported AEs (all/related) was not available and is encoded as equal to the number of subjects affected.
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Assessment type |
Non-systematic | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
11.0
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Reporting groups
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Reporting group title |
RTS,S/AS02D Group
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Reporting group description |
Subjects aged between 6 and 12 weeks at the time of first vaccination received by intramuscular injection a 3-dose vaccination course of RTS,S/AS02D at days 14, 44 and 74 and a 3-dose vaccination course of TETRActHib™ vaccine at days 0, 30 and 60. The RTS,S/AS02D vaccine was administered in the left anterolateral thigh, and the TETRActHib™ vaccine in the right anterolateral thigh. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Engerix-B Group
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Reporting group description |
Subjects aged between 6 and 12 weeks at the time of first vaccination received by intramuscular injection a 3-dose vaccination course of Engerix-B® vaccine at days 14, 44 and 74 and a 3-dose of TETRActHib™ vaccine at days 0, 30 and 60. The Engerix-B® vaccine was administered in the left anterolateral thigh, and the TETRActHib™ vaccine in the right anterolateral thigh. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 5% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Notes [1] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [2] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [3] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [4] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [5] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [6] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [7] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [8] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [9] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [10] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [11] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [12] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [13] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. [14] - The number of subjects exposed to this adverse event is less than the total number of subjects exposed for the reporting group. These numbers are expected to be equal. Justification: Results are for subjects with available results for the indicated vaccinations received and/or period of safety follow-up specified. |
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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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17 Jan 2005 |
The exclusion criterion relating to weight of children at screening was updated to reflect the average birth weights of the local community. The minimum weight for children at screening in the trial was now expressed as a weight for age z-score. This corresponds to a weight of 3.9 kg for 2 month old boys and 3.6 kg for 2 month old girls. In order to help study personnel carrying out the screening visit, the suitable kg weights for 2 month old boys and girls were also cited in the exclusion criteria. |
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12 Apr 2005 |
The Centro de Investigação em Saude da Manhiça (CISM), GSK Biologicals and Malaria Vaccine Initiative (MVI) teams decided to remove assessments of candidate genes specific for malaria vaccination responses from this study. All references to the assessments were removed throughout the protocol. The volume of collected blood was increased from 1 mL to 2 mL for cell-mediated immunity (CMI) assessment. In order to assess the pertussis response it was necessary to account for maternally acquired immunity. Assessment of antibodies to pertussis at screening was omitted in previous versions of the protocol. This was corrected in this amendment. |
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05 Jul 2005 |
In order to expedite the recruitment for this trial, a second health centre was used to recruit mothers and vaccinate infants in addition to the health centre at Ilha Josina. This second health centre, Taninga, was similar to that at Ilha Josina. All facilities available at Ilha Josina were also available at Taninga and all staff was trained to the same standard. It was proposed to carry out all procedures in exactly the same manner as for those mothers and infants recruited at Ilha Josina. A detailed description of the facilities available at the Taninga Health Center was added to the protocol with this amendment. At the request of the Food and Drug Administration, a rationale for the proposed interim analysis at 1 month post final dose of vaccine was added. It was clarified that the Data Safety Monitoring Board (DSMB) may suspend the trial temporarily. However should it be necessary to stop the trial permanently, the responsibility remained with the Sponsor, GSK Biologicals. Treatment options for women who were HIV positive and the infants they give birth to were updated to be in line with the current recommendations of the Mozambican Ministry of Health. |
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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. | |||
None reported |