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RSV_PreF3 Vaccine adjuvanted with AS01B

Phase 1

Respiratory Syncytial Virus Infections | Monoclonal antibody | Infectious Disease |GSK plc|Last Updated: Feb 25, 2022

Target and mechanism

ModalityMonoclonal antibody

Also known as RSV_PreF3 Vaccine (GSK3844766A) adjuvanted with AS01B

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment40

FDA Designations

No designations recorded

Clinical trial landscape

RSV_PreF3 Vaccine adjuvanted with AS01B · 1 trial · 1 indication

Phase 1 1
NCT04090658A Study to Test GlaxoSmithKline's (GSK) Respiratory Syncytial Virus RSV Candidate Vaccine's Safety and Immune Response in Japanese Older AdultsRespiratory Syncytial Virus Infections
COMPLETED40 Analytics
PHASE1COMPLETED
A Study to Test GlaxoSmithKline's (GSK) Respiratory Syncytial Virus RSV Candidate Vaccine's Safety and Immune Response in Japanese Older Adults
Respiratory Syncytial Virus InfectionsUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Subjects With Solicited Local Adverse Events (AEs) After First Dose of Vaccination
During a 7-day follow-up period (i.e. on the day of vaccination and 6 subsequent days) after first dose of vaccination administered at Day 1

Assessed solicited local AEs at injection site are pain, erythema and swelling. Any erythema/swelling is scored with a diameter larger than (\>) 20 millimeters (mm).

Number of Subjects With Solicited Local AEs After Second Dose of Vaccination
During a 7-day follow-up period (i.e. on the day of vaccination and 6 subsequent days) after second dose of vaccination administered at Day 61

Assessed solicited local AEs at injection site are pain, erythema and swelling. Any erythema/swelling was scored with a diameter larger than (\>) 20 millimeters (mm).

Number of Subjects With Solicited General AEs After First Dose of Vaccination
During a 7-day follow-up period (i.e. on the day of vaccination and 6 subsequent days) after first dose of vaccination administered at Day 1

Assessed solicited general AEs solicited were: arthralgia; fatigue; fever (any temperature greater than or equal to 38.0 °C - the preferred location for measuring temperature being the oral cavity); gastrointestinal symptoms (including nausea, vomiting, diarrhea and/or abdominal pain); headache; myalgia and shivering.

Number of Subjects With Solicited General AEs After Second Dose of Vaccination
During a 7-day follow-up period (i.e. on the day of vaccination and 6 subsequent days) after second dose of vaccination administered at Day 61

Assessed solicited general AEs solicited are: arthralgia; fatigue; fever (any temperature greater than or equal to 38.0 °C - the preferred location for measuring temperature being the oral cavity); gastrointestinal symptoms including (nausea, vomiting, diarrhea and/or abdominal pain); headache; myalgia and shivering.

Number of Subjects With Unsolicited AEs After Any Vaccination
During a 30-day follow-up period (i.e., on the day of vaccination and 29 subsequent days) after any vaccination (across doses)

An unsolicited AE is any AE reported in addition to those solicited during the clinical study. Also, any 'solicited' symptom with onset outside the specified period of follow-up for solicited symptoms was reported as an unsolicited AE.

Number of Subjects Presenting Change From Baseline in Hematology and Biochemistry With Respect of Normal Laboratory Ranges, After First Vaccine Dose When Compared to Day 1
At 7 days after the first vaccine dose (i.e. at Day 8 versus Day 1)

Assessed hematological laboratory parameters include basophils, eosinophils, erythrocytes, hemoglobin, lymphocytes, monocytes, neutrophils, platelets, white blood cells. Biochemical laboratory parameters include alanine aminotransferase \[ALT\], aspartate aminotransferase \[AST\], creatinine, urea nitrogen and uric acid. Categories reported when comparing Day 1 (pre-vaccination dose 1=baseline) and Day 8 hematological and biochemical laboratory results are defined as follows: \<parameter\>-\<range at baseline\>-\<range at timing\> (e.g. ALT-Within-Within). Ranges level being classified as below, within or above the normal ranges.

Number of Subjects Presenting Change From Baseline in Hematology and Biochemistry With Respect of Normal Laboratory Ranges, After Second Vaccine Dose When Compared to Day 61
At 7 days after the second vaccine dose (i.e at Day 68 versus Day 61)

Assessed hematological laboratory parameters include basophils, eosinophils, erythrocytes, hemoglobin, lymphocytes, monocytes, neutrophils, platelets, white blood cells. Biochemical laboratory parameters include alanine aminotransferase \[ALT\], aspartate aminotransferase \[AST\], creatinine, urea nitrogen and uric acid. Categories reported when comparing Day 61 (pre-vaccination dose 2=baseline) and Day 68 hematological and biochemical laboratory results are defined as follows: \<parameter\>-\<range at baseline\>-\<range at timing\> (e.g. ALT-Within-Within). Ranges level being classified as below, within or above the normal ranges.

Number of Subjects With Any Grade 3 Non-serious AEs (Solicited and Unsolicited) After First Dose of Vaccination
During a 30-day follow-up period (i.e., on the day of vaccination at Day 1, and 29 subsequent days) after first vaccination

A Grade 3 AE is any AE assessed as severe, i.e. which prevents normal, everyday activities. In adults, such an AE would, for example, prevent attendance at work and would necessitate the administration of corrective therapy.

Number of Subjects With Any Grade 3 Non-serious AEs (Solicited and Unsolicited) After Second Dose of Vaccination
During a 30-day follow-up period (i.e., on the day of vaccination at Day 61, and 29 subsequent days) after second vaccination

A Grade 3 AE is any AE assessed as severe, i.e. which prevents normal, everyday activities. In adults, such an AE would, for example, prevent attendance at work and would necessitate the administration of corrective therapy.

Number of Subjects With Any Serious Adverse Events (SAEs) up to 30 Days After the Second Vaccination
From Day 1 up to 30 days after the second vaccination (Day 91)

A SAE is any untoward medical occurrence that results in death, is life-threatening, requires hospitalization or prolongation of existing hospitalization or results in disability/incapacity.

Number of Subjects With Any Potential Immune-mediated Diseases (pIMDs) up to 30 Days After the Second Vaccination
From Day 1 up to 30 days after the second vaccination (Day 91)

pIMDs are a subset of AEs that include autoimmune diseases and other inflammatory and/or neurologic disorders of interest which may or may not have an autoimmune etiology

Secondary Endpoints

Humoral Immune Response With Respect to Components of the Investigational Vaccine in Terms of Neutralizing Antibody Titers Against RSV- Serotype A
At pre-vaccination (Day 1), 30 days post-Dose 1 (Day 31), on the day of second vaccination (Day 61) and 30 days post-Dose 2 (Day 91)
Humoral Immune Response With Respect to Components of the Investigational Vaccine in Terms of RSVPreF3-specific Immunoglobulin G (IgG) Antibody Concentrations
At pre-vaccination (Day 1), 30 days post-Dose 1 (Day 31), on the day of second vaccination (Day 61) and 30 days post-Dose 2 (Day 91)
Number of Subjects With Any SAEs, up the End of Follow-up Study Period (Month 14)
From Day 1 up to the end of follow-up period (Month 14)
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
RSV_PreF3_AS01B GroupEXPERIMENTALSubjects aged 60 to 80 years received 2 doses of the investigational adjuvanted RSV\_PreF3 vaccine (GSK3844766A), at Day 1 and Day 61, by intramuscular (IM) injection into the deltoid region of the non-dominant arm preferably.
Placebo GroupPLACEBO_COMPARATORSubjects aged 60 to 80 years received 2 doses of placebo as control, at Day 1 and Day 61, by IM injection into the deltoid region of the non-dominant arm preferably.

Interventions

NameTypeDescription
RSV_PreF3 Vaccine (GSK3844766A) adjuvanted with AS01BBIOLOGICALSubjects aged 60 to 80 years received 2 doses of the investigational adjuvanted RSV\_PreF3 vaccine (GSK3844766A), at Day 1 and Day 61, by intramuscular (IM) injection into the deltoid region of the non-dominant arm preferably.
PlaceboDRUGSubjects aged 60 to 80 years received 2 doses of placebo as control, at Day 1 and Day 61, by IM injection into the deltoid region of the non-dominant arm preferably.
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Eligibility Criteria

Age Range60 Years to 80 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Subjects who, in the opinion of the investigator, can and will comply with the requirements of the protocol. * Written informed consent obtained from the subject prior to performance of any study specific procedure. * A male or female between, and including, 60 and 80 years of...

Countries:Japan
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