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Phase I/IIa Dose-escalation Clinical Study of VAC-3S

Multicentre, Randomized, Placebo-controlled, Double-blind, Phase I/IIa Dose-escalation Clinical Study of a Therapeutic Vaccine (VAC-3S) Intended to Confer Protection Against Immunopathological Effects of HIV-1 in Infected Patients

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01549119
Enrollment
33
Registered
2012-03-08
Start date
2012-02-29
Completion date
2014-12-31
Last updated
2015-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HIV-1 Infection

Keywords

HIV-1, HIV, immunotherapy, active immunotherapy, vaccine, virulence, innate immunity, NK cells

Brief summary

The purpose of this trial is to evaluate the safety and immunogenicity of the therapeutic vaccine candidate VAC-3S in HIV-1 infected patients under AntiRetroviral Therapy (ART) with undetectable viral loads.

Interventions

BIOLOGICALVAC-3S

Comparison of different doses of vaccine. Liquid form Volume: 0.5 mL - 2 X 0.5 mL for double-dose arm 3 vaccinations at one month apart

BIOLOGICALPlacebo

Comparison with experimental vaccine

Sponsors

InnaVirVax
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
No

Inclusion criteria

* HIV-1 infected patient * Age between 18 and 55 years * ART (AntiRetroviral Therapy) initiation 1 year ago * Plasma HIV RNA below 50 copies per ml on three sequential occasions including V-1 in the past 12 months * CD4 T cell count above or equal to 200 cells per mm3, * Nadir CD4 T cell count above or equal to 100 cells per mm3, * Contraception in women with child-bearing potential

Exclusion criteria

* Any ART change within a month preceding screening. * Chronic active liver disease, HIV-Hepatitis Coinfection. * Immunotherapy in the past year, immunosuppressive treatment within the past month. * History of auto-immune disease

Design outcomes

Primary

MeasureTime frameDescription
Number of Study Participants Who Tolerated three vaccinations with VAC-3S at 4-weeks apart Determined by Safety Parameter Changes According to the DAIDS (Division of Acquired Immunodeficiency Syndrome) Adverse Events (AE) Grading Table.from D0 to week 24Safety parameters include adverse events, vital signs, physical examinations, laboratory tests (hematology, blood chemistry, viral load).

Secondary

MeasureTime frameDescription
Anti-3S antibody titersfrom D0 to week 60
Number of Study Participants Who Tolerated three vaccinations with VAC-3S at 4-weeks apart Determined by Safety Parameter Changes According to the DAIDS (Division of Acquired Immunodeficiency Syndrome) Adverse Events (AE) Grading Table.from week 24 to week 60Safety parameters include adverse events, vital signs, physical examinations, laboratory tests (hematology, blood chemistry, viral load).
NKp44L expression on the surface of CD4+ T lymphocytesfrom D0 to week 60
Markers of progression to AIDS. Markers include CD4+ cell count, viral load, and phenotypic markers of lymphocyte differentiation and activation.from D0 to week 60

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026