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HIV vaccine 732461

Phase 2

AIDS | Monoclonal antibody | Infectious Disease |GSK plc|Last Updated: Oct 1, 2019

Success Probability

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials1
Total Enrollment180

FDA Designations

No designations recorded

Clinical trial landscape

HIV vaccine 732461 · 1 trial · 2 indications

Phase 2 1
NCT00434512Dose-ranging Study to Evaluate the Safety & Immunogenicity of a HIV Vaccine 732461 in Healthy HIV Seronegative VolunteersAIDS
COMPLETED180 Analytics
PHASE2COMPLETED
Dose-ranging Study to Evaluate the Safety & Immunogenicity of a HIV Vaccine 732461 in Healthy HIV Seronegative Volunteers
AIDSUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Subjects With Any and Grade 3 Solicited Local Symptoms
During the 7-day (Days 0-6) follow-up period after each vaccination and overall (across doses)

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 50 millimeters (mm) of injection site.

Number of Subjects With Any, Grade 3 and Related Solicited General Symptoms
During the 7-day (Days 0-6) follow-up period after each vaccination and overall (across doses)

Assessed solicited general symptoms were fatigue, fever \[defined as axillary temperature equal to or above 37.5 degrees Celsius (°C)\], headache, myalgia, sweating, gastrointestinal symptoms(nausea, vomiting, diarrhea, and/or abdominal pain). Any = occurrence of the symptom regardless of intensity grade. Grade 3 symptom = symptom that prevented normal activity. Grade 3 fever = fever \> 39.0 °C. Related = symptom assessed by the investigator as related to the vaccination.

Number of Subjects With Any, Grade 3 and Related Unsolicited Adverse Events (AEs)
During the 30-day (Days 0-29) follow-up period after vaccination (across doses)

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. Grade 3 AE = an AE which prevented normal, everyday activities. Related = AE assessed by the investigator as related to the vaccination.

Number of Subjects With Serious Adverse Events (SAEs) and Related SAEs
During the whole study period (From Month 0 up to Month 12)

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.

Number of Subjects With Abnormal Haematological and Biochemical Levels at Month 0
At Month 0

The frequency distribution of values below, within and above normal ranges, were tabulated per treatment group at each scheduled time point for the following biochemical or haematological parameters: red blood cells \[RBC\] count, haemoglobin, haematocrit, white blood cell \[WBC\] count, neutrophils, lymphocytes, monocytes, eosinophils, basophils, platelets, sodium, potassium, urea nitrogen, creatinine, alanine aminotransferase \[ALT\] and aspartate aminotransferase \[AST\].

Number of Subjects With Abnormal Haematological and Biochemical Levels at Month 1
At Month 1

The frequency distribution of values below, within and above normal ranges, were tabulated per treatment group at each scheduled time point for the following biochemical or haematological parameters: red blood cells \[RBC\] count, haemoglobin, haematocrit, white blood cell \[WBC\] count, neutrophils, lymphocytes, monocytes, eosinophils, basophils, platelets, sodium, potassium, urea nitrogen, creatinine, alanine aminotransferase \[ALT\] and aspartate aminotransferase \[AST\].

Number of Subjects With Abnormal Haematological and Biochemical Levels at Day 44
At Day 44

The frequency distribution of values below, within and above normal ranges, were tabulated per treatment group at each scheduled time point for the following biochemical or haematological parameters: red blood cells \[RBC\] count, haemoglobin, haematocrit, white blood cell \[WBC\] count, neutrophils, lymphocytes, monocytes, eosinophils, basophils, platelets, sodium, potassium, urea nitrogen, creatinine, alanine aminotransferase \[ALT\] and aspartate aminotransferase \[AST\].

Number of Subjects With Abnormal Haematological and Biochemical Levels at Month 2
At Month 2

The frequency distribution of values below, within and above normal ranges, were tabulated per treatment group at each scheduled time point for the following biochemical or haematological parameters: red blood cells \[RBC\] count, haemoglobin, haematocrit, white blood cell \[RBC\] count, neutrophils, lymphocytes, monocytes, eosinophils, basophils, platelets, sodium, potassium, urea nitrogen, creatinine, alanine aminotransferase \[ALT\] and aspartate aminotransferase \[AST\].

Number of Subjects With Abnormal Haematological and Biochemical Levels at Month 6
At Month 6

The frequency distribution of values below, within and above normal ranges, were tabulated per treatment group at each scheduled time point for the following biochemical or haematological parameters: red blood cells \[RBC\] count, haemoglobin, haematocrit, white blood cell \[WBC\] count, neutrophils, lymphocytes, monocytes, eosinophils, basophils, platelets, sodium, potassium, urea nitrogen, creatinine, alanine aminotransferase \[ALT\] and aspartate aminotransferase \[AST\].

Number of Subjects With Abnormal Haematological and Biochemical Levels at Month 9
At Month 9

The frequency distribution of values below, within and above normal ranges, were tabulated per treatment group at each scheduled time point for the following biochemical or haematological parameters: red blood cells \[RBC\] count, haemoglobin, haematocrit, white blood cell \[WBC\] count, neutrophils, lymphocytes, monocytes, eosinophils, basophils, platelets, sodium, potassium, urea nitrogen, creatinine, alanine aminotransferase \[ALT\] and aspartate aminotransferase \[AST\].

Number of Subjects With Abnormal Haematological and Biochemical Levels at Month 12
At Month 12

The frequency distribution of values below, within and above normal ranges, were tabulated per treatment group at each scheduled time point for the following biochemical or haematological parameters: red blood cells \[RBC\] count, haemoglobin, haematocrit, white blood cell \[WBC\] count, neutrophils, lymphocytes, monocytes, eosinophils, basophils, platelets, sodium, potassium, urea nitrogen, creatinine, alanine aminotransferase \[ALT\] and aspartate aminotransferase \[AST\].

Number of Subjects With a Response in Terms of Cluster of Differentiation 4 (CD4+) T-cells Expressing at Least Two Cytokines Including IL-2 Equal or Above the Cut-off to at Least 1, 2, 3 Antigens and to All 4 Antigens
At Day 44

Antigen-specific CD4+ T-cells can express cluster of differentiation 40-ligand (CD40-L) and produce the cytokines Interleukin 2 (IL-2) and/or Tumor Necrosis Factor alpha (TNF-α) and/or Interferon-gamma (IFN-γ). The frequency of antigen specific CD4+T-cells was calculated as the difference between the frequency of CD4+T-cells producing at least 2 cytokines (among IFN-g, IL-2, TNF-a and/or CD40L), upon in vitro stimulation with the peptide pools derived from the antigen minus the frequency of CD4+T-cells producing at least 2 cytokines upon in vitro stimulation in medium only.A responder was a subject with an antigen-stimulated CD4+T cells response greater than or equal to the cut-off value. The same cut-off value was used for all subjects and all antigen responses post-vaccination. It was calculated from the pre-vaccination CD4+T cell responses (the frequency of antigen-stimulated CD4+T cells expressing at least two markers; i.e. all doubles) for all subjects.

Secondary Endpoints

Frequency of p17, p24, Nef and RT-specific CD4+ T-cells Expressing IL-2 and at Least Another Marker
At Month 0, Day 44, Month 2, Month 6 and Month 12
Frequency of p17, p24, Nef and RT-specific CD4+ T-cells Expressing at Least 2 Immune Markers
At Month 0, Day 44, Month 2, Month 6 and Month 12
Antibody Titers Against p17, p24, Nef, RT and F4co Antigens
At Month 0, Day 44, Month 2, Month 6 and Month 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
SB732461 adjuvanted_LD GroupEXPERIMENTALHealthy adult HIV seronegative subjects aged 18 to 40 years, who received two doses of the adjuvanted low-antigen dose \[LD\] (10 μg) SB732461 vaccine, intramuscularly, at Day 0 and Day 30.
SB732461 adjuvanted_MD GroupEXPERIMENTALHealthy adult HIV seronegative subjects aged 18 to 40 years, who received two doses of the adjuvanted medium-antigen dose \[MD\] (30 μg) SB732461 vaccine, intramuscularly, at Day 0 and Day 30.
SB732461 adjuvanted_HD GroupEXPERIMENTALHealthy adult HIV seronegative subjects aged 18 to 40 years, who received two doses of the adjuvanted high-antigen dose \[HD\] (90 μg) SB732461 vaccine, intramuscularly, at Day 0 and Day 30.
SB732461 non-adjuvanted_LD GroupEXPERIMENTALHealthy adult HIV seronegative subjects aged 18 to 40 years, who received two doses of the non-adjuvanted low-antigen dose \[LD\] (10 μg) SB732461 vaccine, intramuscularly, at Day 0 and Day 30.
SB732461 non-adjuvanted_MD GroupEXPERIMENTALHealthy adult HIV seronegative subjects aged 18 to 40 years, who received two doses of the non-adjuvanted medium-antigen dose \[MD\] (30 μg) SB732461 vaccine, intramuscularly, at Day 0 and Day 30.
SB732461 non-adjuvanted_HD GroupEXPERIMENTALHealthy adult HIV seronegative subjects aged 18 to 40 years, who received two doses of the non-adjuvanted high-antigen dose \[HD\] (90 μg) SB732461 vaccine, intramuscularly, at Day 0 and Day 30.

Interventions

NameTypeDescription
HIV vaccine 732461BIOLOGICAL -
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Eligibility Criteria

Age Range18 Years to 40 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * A male or female between and including 18-40 years at the time of first vaccination. * Written informed consent obtained from the subject prior to any study procedure. * Subjects who the investigator believes that they can and will comply with the requirements of the protocol....

Countries:Belgium
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Frequently asked questions about HIV vaccine 732461

What is HIV vaccine 732461 used for?

HIV vaccine 732461 is an investigational vaccine being studied for the prevention of AIDS and HIV infections. It is designed for use in healthy HIV seronegative volunteers, meaning individuals who do not have HIV. The vaccine is currently in clinical development and has not been approved for commercial use.

Who makes HIV vaccine 732461?

HIV vaccine 732461 is being developed by GSK plc, a biopharmaceutical company listed on the stock exchange under the ticker GSK. The company is conducting clinical trials to evaluate the safety and immunogenicity of this investigational vaccine for the prevention of AIDS and HIV infections.

What phase is HIV vaccine 732461 in?

HIV vaccine 732461 is in Phase 2 clinical development. It is an investigational vaccine, meaning it has not been approved by regulatory authorities and is still being studied in clinical trials. The Phase 2 trial has been completed, and the vaccine remains under investigation for its potential use in preventing AIDS and HIV infections.

What clinical trials is HIV vaccine 732461 in?

HIV vaccine 732461 has been studied in one clinical trial with the identifier NCT00434512. This was a Phase 2, dose-ranging study to evaluate the safety and immunogenicity of the vaccine in healthy HIV seronegative volunteers. The trial was conducted in Belgium, enrolled 180 participants, and has been completed.

How does HIV vaccine 732461 work?

HIV vaccine 732461 is a monoclonal antibody-based vaccine. It is designed to elicit an immune response against HIV, the virus that causes AIDS. The vaccine is intended for use in healthy individuals who are HIV seronegative, with the goal of preventing HIV infection and the subsequent development of AIDS.