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S. sonnei 1790GAHB

Phase 1

Shigellosis | Monoclonal antibody | Other |GSK plc|Trials Updated: Jan 23, 2019

S. sonnei 1790GAHB development status

Highest phase Phase 1
Registered trials 2 across 1 sponsor since Dec 2001

S. sonnei 1790GAHB target and mechanism

ModalityMonoclonal antibody

Also known as Shigella sonnei vaccine

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials2
Total Enrollment102

FDA Designations

No designations recorded

S. sonnei 1790GAHB clinical trials

S. sonnei 1790GAHB · 2 trials · 1 indication

Phase 1 2
NCT02034500Evaluate a New Shigella Sonnei Vaccine Administered Either by Intradermal, Intranasal or Intramuscular Route in Healthy AdultsShigellosis
COMPLETED52 Analytics
NCT02017899A Phase 1, Dose Escalation Study, to Evaluate a New Shigella Sonnei Vaccine in Healthy Adults.Shigellosis
COMPLETED50 Analytics
PHASE1COMPLETED
Evaluate a New Shigella Sonnei Vaccine Administered Either by Intradermal, Intranasal or Intramuscular Route in Healthy Adults
ShigellosisUnlock trial analytics
PHASE1COMPLETED
A Phase 1, Dose Escalation Study, to Evaluate a New Shigella Sonnei Vaccine in Healthy Adults.
ShigellosisUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of subjects with solicited local reaction after any vaccination
During a 7-day (Days 1-7) post vaccination period following any injection

Any erythema/induration/swelling refers to: ≥25 mm in diameter. Grade 3 (severe) refers to erythema/induration/swelling \>100 mm in diameter. Grade 3 (severe) for injection site pain/nasal pain/facial edema/rhinorrhea refers to: prevents daily activity

Number of subjects with solicited systemic reaction after any vaccination
During a 7-day (Days 1 to 7) post vaccination period following any injection

Any= Incidence of any symptom regardless of intensity grade. Grade 3 = symptom that prevented daily activities

Number of subjects with Neutrophils results below and above the normal ranges
At Day 8

Day 8: VISIT 2 (D7 post 1st vac)

Number of subjects with Neutrophils results below and above the normal
At Day 36

Day 36: VISIT 3.1 (D7 post 2nd vac)

Secondary Endpoints

Anti-LPS S. sonnei serum IgG Geometric mean concentration (GMCs)
At baseline, at 28 days after each vaccination and at 168 days after last vaccination
Number of subjects with seroresponse for anti-LPS S. sonnei
At 28 days after each vaccination and 168 days after last vaccination
Number of subjects with high seroresponse for anti-LPS S. sonnei (IgG ELISA ≥121 EU)
At baseline, at 28 days after each vaccination and at 168 days after last vaccination
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
S. sonnei 1790GAHB - 0.1 mcg - IDEXPERIMENTALSubjects enrolled in COHORT A receiving 3 injections of S. sonnei 1790GAHB - 0.1 mcg intradermally (ID)
S. sonnei 1790GAHB - 1 mcg - IDEXPERIMENTALSubjects enrolled in COHORT B receiving 3 injections of S. sonnei 1790GAHB - 1 mcg intradermally (ID)
S. sonnei 1790GAHB - 10 mcg - IDEXPERIMENTALSubjects enrolled in COHORT C receiving 3 injections of S. sonnei 1790GAHB - 10 mcg intradermally (ID)
S. sonnei 1790GAHB - 5 mcg - INEXPERIMENTALSubjects enrolled in COHORT A receiving 3 injections of S. sonnei 1790GAHB - 5 mcg intranasally (IN)
S. sonnei 1790GAHB - 20 mcg - INEXPERIMENTALSubjects enrolled in COHORT B receiving 3 injections of S. sonnei 1790GAHB - 20 mcg intranasally (IN)
S. sonnei 1790GAHB - 80 mcg - INEXPERIMENTALSubjects enrolled in COHORT C receiving 3 injections of S. sonnei 1790GAHB - 80 mcg intranasally (IN)
S. sonnei 1790GAHB - 5 mcg - IMEXPERIMENTALSubjects enrolled in COHORT C receiving 3 injections of S. sonnei 1790GAHB - 5 mcg intramuscularly (IM)
Placebo - IDPLACEBO_COMPARATOR2 subjects enrolled in each COHORT A, B and C receiving 3 injections of Placebo intradermally (ID). These were pooled in one Placebo group in the analyses
Placebo - INPLACEBO_COMPARATOR2 subjects enrolled in each COHORT A, B and C receiving 3 injections of Placebo intranasally (IN). These were pooled in one Placebo group in the analyses
Placebo - IMPLACEBO_COMPARATOR2 subjects enrolled in COHORT C receiving 3 injections of Placebo intramuscularly (IM)
S. sonnei 1790GAHB - 1 mcgEXPERIMENTALSubjects enrolled in COHORT A receiving 3 injections of S. sonnei 1790GAHB - 1 mcg
S. sonnei 1790GAHB - 5 mcgEXPERIMENTALSubjects enrolled in COHORT B receiving 3 injections of S. sonnei 1790GAHB - 5 mcg
S. sonnei 1790GAHB - 25 mcgEXPERIMENTALSubjects enrolled in COHORT C receiving 3 injections of S. sonnei 1790GAHB - 25 mcg
S. sonnei 1790GAHB - 50 mcgEXPERIMENTALSubjects enrolled in COHORT D receiving 3 injections of S. sonnei 1790GAHB - 50 mcg
S. sonnei 1790GAHB - 100 mcgEXPERIMENTALSubjects enrolled in COHORT E receiving 3 injections of S. sonnei 1790GAHB - 100 mcg
PlaceboPLACEBO_COMPARATOR2 subjects enrolled in each COHORT A, B, C, D, E receiving 3 injections of Placebo. These were pooled in one Placebo group in the analyses

Interventions

NameTypeDescription
S. sonnei 1790GAHBBIOLOGICAL -
PlaceboBIOLOGICAL -
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Eligibility Criteria

Age Range18 Years to 45 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Males and females of age ≥18 years to ≤45 years. 2. Individuals who, after the nature of the study have been explained to them, have given written consent according to local regulatory requirements. 3. Individuals in good health as determined by the outcome of medical history...

Countries:United KingdomFrance
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Frequently asked questions about S. sonnei 1790GAHB

What is S. sonnei 1790GAHB?

S. sonnei 1790GAHB is an investigational vaccine being developed for shigellosis, the diarrheal disease caused by Shigella sonnei bacteria. It is a Phase 1 candidate from GSK plc (ticker GSK) and has been studied in healthy adult volunteers in the United Kingdom and France.

What is S. sonnei 1790GAHB used for?

S. sonnei 1790GAHB is being developed for the prevention of shigellosis, the infection caused by Shigella sonnei. The two completed Phase 1 trials enrolled healthy adult volunteers rather than patients with active disease, which is typical for early vaccine testing.

Who is developing S. sonnei 1790GAHB?

S. sonnei 1790GAHB is being developed by GSK plc, which trades under the ticker GSK. GSK sponsored both of the completed Phase 1 trials of the candidate, one conducted in the United Kingdom and one in France.

What phase is S. sonnei 1790GAHB in?

S. sonnei 1790GAHB is in Phase 1. Both of its clinical trials were Phase 1 studies, and both are now completed. There are no active trials of the candidate, and it has not been approved for any indication.

What clinical trials is S. sonnei 1790GAHB in?

S. sonnei 1790GAHB has been studied in two completed Phase 1 trials. NCT02034500 evaluated intradermal, intranasal, and intramuscular administration in 52 healthy adults in the United Kingdom. NCT02017899 was a dose escalation study in 50 healthy adults in France.

How many people were enrolled in S. sonnei 1790GAHB trials?

The two completed Phase 1 trials of S. sonnei 1790GAHB enrolled 102 participants in total. NCT02034500 enrolled 52 healthy adults in the United Kingdom, and NCT02017899 enrolled 50 healthy adults in France. Both studies were randomized, double blind, and placebo controlled.