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GSK1024850A

Phase 3

Infections, Streptococcal | Monoclonal antibody | Infectious Disease |GSK plc|Trials Updated: Jun 6, 2019

GSK1024850A target and mechanism

ModalityMonoclonal antibody

Also known as GSK1024850A (Synflorix)

Success Probability

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Market & Valuation

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Trial Design

ACTIVE_CONTROLLED
Total Trials1
Total Enrollment300

FDA Designations

No designations recorded

GSK1024850A clinical trials

GSK1024850A · 1 trial · 1 indication

Phase 3 1
NCT01175083Immunization of Children Between 8 Weeks and 2 Years of Age With GSK Pneumococcal Vaccine GSK1024850AInfections, Streptococcal
COMPLETED300 Analytics
PHASE3COMPLETED
Immunization of Children Between 8 Weeks and 2 Years of Age With GSK Pneumococcal Vaccine GSK1024850A
Infections, StreptococcalUnlock trial analytics

Study Endpoints

Primary Endpoints

Concentrations of Antibodies Against Vaccine Pneumococcal Serotypes for Subjects Receiving Synflorix Vaccine Co-administered With Tritanrix-HepB/Hib and Polio Sabin Vaccines
One month after primary vaccination (Month 3)

Antibodies have been assessed against the following vaccine pneumococcal serotypes: 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F (Anti-1, -4, -5, -6B, -7F, -9V, -14, -18C, -19F and -23F). Antibody concentrations were measured by 22F enzyme-linked immunosorbent assay (ELISA), presented as geometric mean concentrations (GMCs) and expressed in micrograms per milliliter (µg/mL). The seropositivity cut-off of the assay was an antibody concentration greater than or equal to (≥) 0.05 micrograms per milliliter (µg/mL). Antibody concentrations below than (\<) 0.05 µg/mL were given an arbitrary value of half the cut-off for the purpose of GMC calculation.

Concentrations of Antibodies Against Protein D (PD) for Subjects Receiving Synflorix Vaccine Co-administered With Tritanrix-HepB/Hib and Polio Sabin Vaccines
One month after the primary vaccination (Month 3)

Anti-PD antibody concentrations were measured by enzyme-linked immunosorbent assay (ELISA), presented as geometric mean concentrations (GMCs) and expressed in ELISA units per milliliter (EL.U/mL). The seropositivity cut-off of the assay was an antibody concentration ≥ 100 EL.U/mL. Antibody concentrations \< 100 EL.U/mL were given an arbitrary value of half the cut-off for the purpose of GMC calculation.

Secondary Endpoints

Concentration of Antibodies Against Vaccine Pneumococcal Serotypes for Subjects Receiving Synflorix Vaccine Co-administered With Tritanrix-HepB/Hib and Polio Sabin Vaccines
Prior to the primary vaccination (Month 0), prior to (Month 8) and one month after (Month 9) booster vaccination
Concentrations of Antibodies Against Vaccine Pneumococcal Serotypes for Subjects Who Received a Two-dose Primary Vaccination Followed by a Booster Dose
Prior to (Month 0) and one month after (Month 2) primary vaccination, prior to (Month 3) and one month after (Month 4) booster vaccination
Concentration of Antibodies Against Vaccine Pneumococcal Serotypes for Subjects Who Received a Two-dose Primary Vaccination Without Any Booster Dose
Prior to (Month 0) the first vaccine dose, prior to (Month 2) and one month after (Month 3) the second vaccine dose
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Tritanrix-HepB/Hib+Polio Sabin <6S GroupEXPERIMENTALChildren below (\<) 6 months of age at time of enrolment, diagnosed with sickle cell disease (S), who received a 3-dose primary vaccination at Study Months 0, 1 and 2 with Synflorix vaccine co-administered with Tritanrix-HepB/Hib and Polio Sabin vaccines, followed by a booster vaccination at Study Month 8.
Tritanrix-HepB/Hib+Polio Sabin <6NS GroupACTIVE_COMPARATORHealthy children, below (\<) 6 months of age at time of enrolment, who received a 3-dose primary vaccination at Study Months 0, 1 and 2 with Synflorix vaccine co-administered with Tritanrix-HepB/Hib and Polio Sabin vaccines, followed by a booster vaccination at Study Month 8.
Synflorix 7-11S GroupEXPERIMENTALChildren between 7-11 months of age at time of enrolment, diagnosed with sickle cell disease (S), who received a 2-dose primary vaccination at Study Months 0 and 1 with Synflorix vaccine, followed by a booster vaccination at Study Month 3.
Synflorix 7-11NS GroupACTIVE_COMPARATORHealthy children between 7-11 months of age at time of enrolment, who received a 2-dose primary vaccination at Study Months 0 and 1 with Synflorix vaccine, followed by a booster vaccination at Study Month 3.
Synflorix 12-23S GroupEXPERIMENTALChildren between 12-23 months of age at time of enrolment, diagnosed with sickle cell disease (S), who received a 2-dose vaccination with Synflorix vaccine, at Study Months 0 and 2.
Synflorix 12-23NS GroupACTIVE_COMPARATORHealthy children between 12-23 months of age at time of enrolment, who received a 2-dose vaccination with Synflorix vaccine, at Study Months 0 and 2.

Interventions

NameTypeDescription
GSK1024850A (Synflorix)BIOLOGICAL2, 3 or 4 intramuscular injection
Tritanrix-HepB/HibBIOLOGICALIntramuscular injection, 4 doses
Polio SabinBIOLOGICAL4 oral doses
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Eligibility Criteria

Age Range8 Weeks to 23 Months
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Subjects who the investigator believes that parent(s)/Legally Acceptable Representative(s) \[LAR(s)\] can and will comply with the requirements of the protocol (e.g. completion of the diary cards, return for follow-up visits). * A male or female between, and including: * 8 ...

Countries:Burkina Faso
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Frequently asked questions about GSK1024850A

What is GSK1024850A?

GSK1024850A is an investigational pneumococcal vaccine developed by GSK plc for the prevention of streptococcal infections. It is also known as Synflorix. The candidate has been studied in a Phase 3 trial in children, and it is designed for immunization against pneumococcal disease in pediatric populations.

What is GSK1024850A used for?

GSK1024850A is being developed for immunization against streptococcal infections, specifically pneumococcal disease. Its Phase 3 trial enrolled children between 8 weeks and 2 years of age in Burkina Faso. The vaccine is intended for active immunization of young children against infections caused by Streptococcus pneumoniae.

Who makes GSK1024850A?

GSK1024850A is developed by GSK plc, which trades under the ticker GSK. The company sponsored the Phase 3 study of the vaccine candidate in children. GSK is the sole developer listed for this pneumococcal vaccine asset.

What phase is GSK1024850A in?

GSK1024850A is in Phase 3 development. One Phase 3 trial has been completed, and no trials are currently active. The candidate is investigational and has not been established as approved for any indication based on the available development record.

What clinical trials is GSK1024850A in?

GSK1024850A has been evaluated in one completed Phase 3 trial, NCT01175083, titled Immunization of Children Between 8 Weeks and 2 Years of Age With GSK Pneumococcal Vaccine GSK1024850A. The study enrolled 300 children in Burkina Faso, used an active-controlled design, and included healthy volunteers.

Is GSK1024850A the same as Synflorix?

Yes, GSK1024850A is also known as Synflorix. Both names refer to the same pneumococcal vaccine candidate developed by GSK plc. Readers searching for either name will find the same Phase 3 asset for streptococcal infection prevention in children.