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SB213503 lot 1

Phase 3

Tetanus | Monoclonal antibody | Other |GSK plc|Last Updated: Feb 5, 2020

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedACTIVE_CONTROLLED
Total Trials1
Total Enrollment4,209
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00148941Immune Response and Safety Comparison of 3 Lots of GSK Biologicals' DTaP-IPV Candidate Vaccine to DTaP + IPV VaccinesPHASE3 COMPLETED 4,209Jan 6, 2005Dec 4, 2006Feb 5, 202024 United States
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Study Endpoints
Primary Endpoints
Geometric Mean Concentrations (GMCs) for Anti-diphtheria (Anti-D) and Anti-tetanus (Anti-T) Antibodies in a Subset of Subjects
At Month 1 (i.e. one month after vaccination)

GMCs were measured by Enzyme-Linked Immunosorbent assay (ELISA), expressed in international units per milliliter (IU/mL).

Geometric Mean Concentrations (GMCs) for Anti-pertussis Toxoid (Anti-PT), Anti-filamentous Haemagglutinin (Anti-FHA) and Anti-pertactin (Anti-PRN) Antibodies in a Subset of Subjects
At Month 1 (i.e. one month after vaccination)

GMCs were measured by Enzyme-Linked Immunosorbent assay (ELISA), expressed in ELISA units per milliliter (EL.U/mL).

Geometric Mean Titers (GMTs) for Anti-poliovirus Types 1, 2 and 3 Antibodies in a Subset of Subjects
At Month 1 (i.e. one month after vaccination)

GMTs were measured by Neutralization assay and expressed in titers.

Number of Subjects With Booster Response Against Diphtheria Toxoid (D) and Tetanus Toxoid (T) Antigens in a Subset of Subjects
At Month 1 (i.e. one month after vaccination)

Vaccine response defined as: For initially seronegative subjects \[pre-booster antibody concentration below (\<) cut-off of 0.1 international units per milliliter (IU/mL)\] with an increase of at least four times the cut-off one month after vaccination \[post-booster antibody concentration greater than or equal to (≥) 0.4 IU/mL\]. For initially seropositive subjects (pre-booster antibody concentration ≥ 0.1 IU/mL) with an increase of at least four times the pre-booster antibody concentration one month after vaccination.

Number of Subjects With Booster Response Against Pertussis Toxoid (PT), Filamentous Haemagglutinin (FHA) and Pertactin (PRN) Antigens in a Subset of Subjects
At Month 1 (i.e. one month after vaccination)

Vaccine response defined as: For initially seronegative subjects \[pre-booster antibody concentration below (\<) cut-off of 5 EL.U/mL\] with an increase of at least four times the cut-off one month after vaccination (post-booster antibody concentration ≥ 20 EL.U/mL). For initially seropositive subjects with pre-booster antibody concentration ≥ 5 EL.U/mL and \< 20 EL.U/mL with an increase of at least 4 times the pre-booster antibody concentration one month after vaccination. For initially seropositive subjects with pre-booster antibody concentration ≥ 20 EL.U/mL with an increase of at least 2 times the pre-booster antibody concentration one month after vaccination.

Number of Subjects With Circumferential Swelling at the Injection Site
Within 4 days (Day 0-3) after vaccination

Swelling (at the SB213503 \& Infanrix injection sites) was categorized as an increase of \> or ≤ 30 mm in mid upper arm circumference compared to baseline measurement or with an increase in mid upper arm missing; extent of swelling \> or ≤ 50 % of upper arm length, or diameter of injection site missing.

Secondary Endpoints
Number of Seroprotected Subjects Against Diphteria (D) and Tetanus (T) Antigens in a Subset of Subjects
At Month 1 (i.e. one month after vaccination)
Number of Seroprotected Subjects Against Poliovirus Types 1, 2 and 3 Antigens in a Subset of Subjects
At Month 1 (i.e. one month after vaccination)
Number of Seropositive Subjects Against Pertussis Toxoid (PT), Filamentous Haemagglutinin (FHA) and Pertactin (PRN) Antigens in a Subset of Subjects
At Month 1 (i.e. one month after vaccination)
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
SB213503 lot 1 + M-M-R GroupEXPERIMENTALSubjects aged 4 to 6 years received a dose of lot 1 of SB213503 vaccine and a dose of M-M-R II vaccine. SB213503 was administered by deep intramuscular injection in the left deltoid. M-M-R II was co-administered as a subcutaneous injection in the upper right deltoid.
SB213503 lot 2 + M-M-R GroupEXPERIMENTALSubjects aged 4 to 6 years received a dose of lot 2 of SB213503 vaccine and a dose of M-M-R II vaccine. SB213503 was administered by deep intramuscular injection in the left deltoid. M-M-R II was co-administered as a subcutaneous injection in the upper right deltoid.
SB213503 lot 3 + M-M-R GroupEXPERIMENTALSubjects aged 4 to 6 years received a dose of lot 3 of SB213503 vaccine and a dose of M-M-R II vaccine. SB213503 was administered by deep intramuscular injection in the left deltoid. M-M-R II was co-administered as a subcutaneous injection in the upper right deltoid.
Infanrix + IPOL + M-M-R GroupACTIVE_COMPARATORSubjects aged 4 to 6 years received a dose of Infanrix and a dose of IPOL vaccines separately and a dose of M-M-R II vaccine. Infanrix was administered by deep intramuscular injection in the upper left deltoid. IPOL was administered subcutaneously in the lower right deltoid. M-M-R II was co-administered as a subcutaneous injection in the upper right deltoid.
Interventions
NameTypeDescription
SB213503 lot 1BIOLOGICALSB213503 lot 1 vaccine was administered as a single dose by intramuscular injection in the deltoid at Day 0.
SB213503 lot 2BIOLOGICALSB213503 lot 2 vaccine was administered as a single dose by intramuscular injection in the deltoid at Day 0.
SB213503 lot 3BIOLOGICALSB213503 lot 3 vaccine was administered as a single dose by intramuscular injection in the deltoid at Day 0.
InfanrixBIOLOGICALInfanrix vaccine was administered as a single dose by intramuscular injection in the deltoid at Day 0.
IPOLBIOLOGICALIPOL vaccine was administered as a single dose by subcutaneous injection in the deltoid at Day 0.
M-M-R IIBIOLOGICALM-M-R II vaccine was administered as a single dose by subcutaneous injection in the deltoid at Day 0.
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Eligibility Criteria
Age Range4 Years — 6 Years
SexALL
Healthy VolunteersYes
Study Sites24

Inclusion criteria: * Male or female child between and including 4 and 6 years of age at the time of vaccination. * Free of obvious health problems as established by medical history and brief medical evaluation before entering into the study. * Received 4 doses of Infanrix and 3 doses of IPOL durin...

Countries:United States
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