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GSK Biologicals' malaria vaccine 257049

Phase 2

Malaria | Vaccine | Infectious Disease |GSK plc|Trials Updated: Jun 18, 2019

GSK Biologicals' malaria vaccine 257049 target and mechanism

ModalityVaccine

Also known as GSK Biologicals' malaria vaccine 257049 (2 doses)

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials1
Total Enrollment67

FDA Designations

No designations recorded

GSK Biologicals' malaria vaccine 257049 clinical trials

GSK Biologicals' malaria vaccine 257049 · 1 trial · 1 indication

Phase 2 1
NCT01366534Safety, Immunogenicity and Efficacy Against of a Combined Malaria Vaccine in Healthy Malaria-naïve AdultsMalaria
COMPLETED67 Analytics
PHASE2COMPLETED
Safety, Immunogenicity and Efficacy Against of a Combined Malaria Vaccine in Healthy Malaria-naïve Adults
MalariaUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Subjects With Plasmodium Falciparum Parasitemia Following Sporozoite Challenge
28 days following sporozoite challenge (Day 105)

P. falciparum parasitemia was defined as a positive blood slide.

Number of Subjects With Any and Grade 3 Solicited Local Symptoms
Within the 7-day (Day 0 - Day 6) follow-up period post-vaccination

Assessed solicited local symptoms were pain, redness and swelling. Any = occurrence of the symptom regardless of intensity grade. Grade 3 pain = significant pain at rest, pain that prevented normal every day activities. Grade 3 redness/swelling = redness/swelling spreading beyond 100 millimeters (mm) of injection site.

Number of Subjects With Any, Grade 3 and Related Solicited General Symptoms
Within the 7-day (Day 0 - Day 6) follow-up period post-vaccination

Assessed solicited general symptoms were chills, fatigue, gastrointestinal symptoms, headache and temperature \[defined as axillary temperature equal to or above (≥) 38 degrees Celsius (°C)\]. Any = occurrence of the symptom regardless of intensity grade.Grade 3 Chills = rigors \[uncontrollable shivering more than (\>) 15 seconds\]. Grade 3 Fatigue, Gastrointestinal symptoms and Headache = symptoms that prevented normal activity. Grade 3 fever = fever higher than (\>) 39.0 °C. Related = symptom assessed by the investigator as related to the vaccination.

Number of Subjects With Any Unsolicited Adverse Events (AEs)
Within the 30-day (Day 0 - Day 29) follow-up period post-vaccination

An unsolicited AE covers any untoward medical occurrence in a clinical investigation subject temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product and 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. Any was defined as the occurrence of any unsolicited AE regardless of intensity grade or relation to vaccination.

Number of Subjects With Serious Adverse Events (SAEs)
Throughout the study period (Day 0 - Day 236)

Serious adverse events (SAEs) assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization or result in disability/incapacity.

Secondary Endpoints

Number of Days Until the Onset of P. Falciparum Parasitemia Following Sporozoite Challenge
From day of challenge (Day 0) up to 159 days post-challenge
Anti-circumsporozoite Protein (Anti-CS) Antibody Titers
28 days post-dose 1 (Day 28), 28 days post-dose 2 (Day 56), 21 days post-dose 3 (Day 77 = Day of challenge), 28 days post-challenge (Day 105), 63 days post-challenge (Day 140), 159 days post-challenge (Day 236)
Anti-hepatitis B (Anti-HBs) Antibody Titers
28 days post-dose 1 (Day 28), 28 days post-dose 2 (Day 56), 21 days post-dose 3 (Day 77 = Day of challenge), 28 days post-challenge (Day 105), 63 days post-challenge (Day 140), 159 days post-challenge (Day 236)
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Ad35.CS.01 GroupEXPERIMENTALHealthy male or non-pregnant female subjects, aged 18 to 50 years, were administered one dose of Ad35.CS.01 vaccine at Month 0, and 2 doses of GSK257049 at Months 1 and 2 intramuscularly in the deltoid of the non-dominant arm. The duration of the study was approximately 11 months for vaccinated subjects.
GSK257049 GroupEXPERIMENTALHealthy male or non-pregnant female subjects, aged 18 to 50 years, were administered 3 doses of GSK257049 vaccine at Months 0, 1 and 2 intramuscularly in the deltoid of the non-dominant arm. The duration of the study was approximately 11 months for vaccinated subjects.
Control GroupEXPERIMENTALHealthy male or non-pregnant female subjects, aged 18 to 50 years, were volunteers who did not receive any immunization but were subjected to the sporozoite challenge. The duration of the study was approximately 8 months for infectivity control subjects.

Interventions

NameTypeDescription
Crucell's replication deficient adenovirus type 35 circumsporozoite malaria vaccine (Ad35.CS.01)BIOLOGICALOne dose will be administered intramuscularly at Study Day 0.
GSK Biologicals' malaria vaccine 257049 (2 doses)BIOLOGICALTwo doses will be administered intramuscularly at monthly intervals
GSK Biologicals' malaria vaccine 257049 (3 doses)BIOLOGICALThree doses will be administered intramuscularly at monthly intervals
Sporozoite challengeOTHERSubjects were challenged with sporozoite-infected mosquitoes to determine whether immune protective response had been induced by vaccination.
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Eligibility Criteria

Age Range18 Years to 50 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Subjects who the investigator believes can and will comply with the requirements of the protocol. * A male or non-pregnant female 18 to 50 years of age at the time of first vaccination. * Written informed consent obtained from the subject before screening procedures. * Free of...

Countries:United States
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Competitive Landscape -Malaria 19 trials

Frequently asked questions about GSK Biologicals' malaria vaccine 257049

What is GSK Biologicals' malaria vaccine 257049?

GSK Biologicals' malaria vaccine 257049 is an investigational vaccine developed by GSK plc for the prevention of malaria. It is a Phase 2 candidate in the infectious disease therapeutic area. The vaccine has been studied in healthy malaria-naive adult volunteers, and it is also referred to as GSK Biologicals' malaria vaccine 257049 (2 doses).

What is GSK Biologicals' malaria vaccine 257049 used for?

GSK Biologicals' malaria vaccine 257049 is being developed for the prevention of malaria. Its clinical testing has involved healthy malaria-naive adults, a population used to assess whether a malaria vaccine can protect people without prior exposure to the disease. Malaria is the sole indication studied for this vaccine candidate.

Who makes GSK Biologicals' malaria vaccine 257049?

GSK Biologicals' malaria vaccine 257049 is developed by GSK plc, which trades under the ticker GSK. The vaccine candidate sits within the company's infectious disease portfolio and is directed at malaria prevention. GSK plc is the sponsor associated with the clinical program for this asset.

What phase is GSK Biologicals' malaria vaccine 257049 in?

GSK Biologicals' malaria vaccine 257049 is in Phase 2 development. It is an investigational vaccine and is not approved for use. The Phase 2 study evaluating the candidate has been completed, and no trials for this asset are currently listed as active.

What clinical trials is GSK Biologicals' malaria vaccine 257049 in?

GSK Biologicals' malaria vaccine 257049 has been studied in one completed Phase 2 trial, NCT01366534, titled Safety, Immunogenicity and Efficacy Against of a Combined Malaria Vaccine in Healthy Malaria-naive Adults. The randomized, double-blind, controlled trial enrolled 67 healthy adult volunteers aged 18 years and older in the United States.

Is GSK Biologicals' malaria vaccine 257049 the same as GSK Biologicals' malaria vaccine 257049 (2 doses)?

Yes. GSK Biologicals' malaria vaccine 257049 (2 doses) is another name for GSK Biologicals' malaria vaccine 257049, the malaria vaccine candidate developed by GSK plc. Both names refer to the same Phase 2 investigational vaccine studied in healthy malaria-naive adults.