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Live attenuated tetravalent dengue vaccine

Phase 2

Dengue | Monoclonal antibody | Infectious Disease |GSK plc|Last Updated: Feb 19, 2019

Success Probability

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Market & Valuation

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Trial Design

RandomizedPLACEBO_CONTROLLED
Total Trials1
Total Enrollment86

FDA Designations

No designations recorded

Clinical trial landscape

Live attenuated tetravalent dengue vaccine · 1 trial · 1 indication

Phase 2 1
NCT00239577A Trial of a Walter Reed Army Institute of Research (WRAIR) Live Attenuated Virus Tetravalent Dengue Vaccine in Healthy US AdultsDengue
COMPLETED86 Analytics
PHASE2COMPLETED
A Trial of a Walter Reed Army Institute of Research (WRAIR) Live Attenuated Virus Tetravalent Dengue Vaccine in Healthy US Adults
DengueUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Subjects With Any and Grade 3 Solicited Local Symptoms
During the 21-day (Days 0-20) follow-up after Dose 1 of the study vaccine

Assessed solicited local symptoms were pain, redness and swelling. Any = occurrence of the symptom regardless of intensity grade. Grade 3 pain = pain that prevented normal activity. Grade 3 redness/swelling = redness/swelling spreading beyond 20 millimeters (mm) of injection site.

Number of Subjects With Any, Grade 3 and Related Solicited General Symptoms
During the 21-day (Days 0-20) follow-up after Dose 1 of the study vaccine

Assessed solicited general symptoms were abdominal pain, arthralgia, fatigue, fever \[defined as axillary temperature equal to or above (≥) 37.5 degrees Celsius (°C)\], headache, muscle aches, nausea, pain behind the eyes, photophobia, pruritus, rash and vomiting. Any = occurrence of the symptom regardless of intensity grade or relation to vaccination. Grade 3 symptom = symptom that prevented normal activity. Grade 3 fever = fever \> 39.0 °C. Related = symptom assessed by the investigator as causally related to the study vaccination.

Titers for DEN Neutralizing Antibodies Types 1, 2, 3 and 4
At 30 days (Month 7) after Dose 2 of the study vaccine

Titers for DEN-1, DEN-2, DEN-3 and DEN-4 neutralizing antibodies, expressed as Geometric Mean Titers (GMTs), with cut-off values greater than or equal to (≥) 10 estimated dose giving 50% (ED50) signal reduction when compared to a control without serum.

Titers for DEN Neutralizing Antibodies Types 1, 2, 3 and 4 Based on Priming Status
At 5 to 12 months post-Dose 2 of the study vaccine

Titers for DEN-1, DEN-2, DEN-3 and DEN-4 neutralizing antibodies, expressed as Geometric Mean Titers (GMTs), with cut-off values greater than or equal to (≥) 10 estimated dose giving 50% (ED50) signal reduction when compared to a control without serum. Not primed = Not primed by MN50; Primed = Primed by MN50. Primed subject is a subject with neutralizing antibody titer ≥ 10 ED50 at pre-vaccination for at least one DEN type. Not primed subject is a subject with neutralizing antibody titer \<10 ED50 for any DEN type at pre-vaccination.

Secondary Endpoints

Number of Subjects With Any and Grade 3 Solicited Local Symptoms
During the 21-day (Days 0-20) follow-up after Dose 2 of the study vaccine
Number of Subjects With Any, Grade 3 and Related Solicited General Symptoms
During the 21-day (Days 0-20) follow-up after Dose 2 of the study vaccine
Number of Subjects With Unsolicited Adverse Events (AEs)
During the 31-day (Days 0-30) follow-up after any study vaccine dose
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Study Design & Arms

AllocationRANDOMIZED
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
DENGUE FORMULATION 17A GROUPEXPERIMENTALHealthy male or female subjects, between and including 18-45 years of age, who received two doses of Dengue vaccine Formulation 17a, administered subcutaneously into the upper-outer triceps/deltoid area of the non-dominant arm, at Months 0 and 6.
DENGUE FORMULATION 17B GROUPEXPERIMENTALHealthy male or female subjects, between and including 18-45 years of age, who received two primary doses of Dengue vaccine Formulation 17b, administered subcutaneously into the upper-outer triceps/deltoid area of the non-dominant arm, at Months 0 and 6, and one booster dose approximately 5-12 months after the second dose.
DENGUE FORMULATION 19 GROUPEXPERIMENTALHealthy male or female subjects, between and including 18-45 years of age, who received two primary doses of Dengue vaccine Formulation 19, administered subcutaneously into the upper-outer triceps/deltoid area of the non-dominant arm, at Months 0 and 6 and one booster dose approximately 5-12 months after the second dose.
PLACEBO GROUPPLACEBO_COMPARATORHealthy male or female subjects, between and including 18-45 years of age, who received two doses of Placebo, administered subcutaneously into the upper-outer triceps/deltoid area of the non-dominant arm, at Months 0 and 6.

Interventions

NameTypeDescription
Live attenuated tetravalent dengue vaccineBIOLOGICALLive attenuated tetravalent dengue vaccine
PlaceboBIOLOGICALPlacebo
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Eligibility Criteria

Age Range18 Years to 45 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion: * Healthy male or female adult 18-45 years at the time of vaccination * Free of obvious health problems as established by medical history and physical examination before entering into the study * Written informed consent obtained from the subject * Able to read the Subject Information Sh...

Countries:United States
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Frequently asked questions about Live attenuated tetravalent dengue vaccine

What is Live attenuated tetravalent dengue vaccine used for?

Live attenuated tetravalent dengue vaccine is an investigational vaccine being developed for the prevention of dengue. It is designed to target all four serotypes of the dengue virus. The vaccine is currently in clinical development and has not been approved by regulatory authorities.

Who makes Live attenuated tetravalent dengue vaccine?

Live attenuated tetravalent dengue vaccine is being developed by GSK plc, a global biopharma company listed on the London Stock Exchange under the ticker GSK. The vaccine is currently in Phase 2 clinical development for the prevention of dengue.

What phase is Live attenuated tetravalent dengue vaccine in?

Live attenuated tetravalent dengue vaccine is in Phase 2 clinical development. It is an investigational vaccine and has not been approved by regulatory authorities. The vaccine is being studied for the prevention of dengue, a mosquito-borne viral infection.

What clinical trials is Live attenuated tetravalent dengue vaccine in?

Live attenuated tetravalent dengue vaccine has one completed Phase 2 clinical trial, NCT00239577, which enrolled 86 healthy adults in the United States. The trial was a randomized, placebo-controlled study evaluating the vaccine's safety and immunogenicity in healthy US adults.

Is Live attenuated tetravalent dengue vaccine the same as a dengue vaccine?

Live attenuated tetravalent dengue vaccine is a specific investigational vaccine candidate for dengue. It is designed to be tetravalent, meaning it targets all four serotypes of the dengue virus. It is currently in Phase 2 clinical development and is not yet approved.