Safety of and Immune System Response to an HIV Vaccine (EP HIV-1090) in HIV Uninfected Adults

A Phase I Dose-Escalation Clinical Trial to Evaluate the Safety and Immunogenicity of the EP HIV-1090 DNA Vaccine in Healthy, HIV-1-Uninfected Adult Participants

The purpose of this study is to test the safety of an HIV DNA vaccine (EP HIV-1090) and to test whether or not the vaccine can stimulate immune system responses in HIV uninfected people. This vaccine uses only parts of the virus's DNA and cannot cause HIV infection.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Epidemiological and animal model data support the hypothesis that HIV specific cytotoxic T lymphocyte (CTL) responses contribute to control and clearance of the virus. Vaccines designed specifically to induce CTL responses are likely to be well suited for protection against HIV infection and disease progression. EP HIV-1090 is a DNA vaccine composed of 21 highly specific CTL epitopes. The vaccine is designed to optimize the immune response in people expressing one of three HLA Class I antigen subtypes: HLA-A2, -A3, and -B7. This design is predicted to induce an immune response in 85% of individuals in the general population. There is also a helper T lymphocyte (HTL) facilitating epitope (PADRE) in the vaccine. The vaccine is formulated with a water soluble polymer (polyvinylpyrrolidone) that protects the DNA and facilitates cellular uptake. This study will assess the safety of and immune response to different doses of EP HIV-1090 in healthy, HIV uninfected adults.

Participants in this study will be randomized to receive either one of three different doses of vaccine or placebo. Participants will receive vaccinations or placebo at study entry and Months 1, 3, and 6. Both vaccinations and placebo are administered by intramuscular injection. Participants will be followed for 18 months and will have 12 study visits. Each study visit will include a physical exam, medical history, and blood and urine tests. Each participant will have four HIV tests during the study. Women will have at least five pregnancy tests during the study.

Study Type

Interventional

Enrollment

42

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Gaborone, Botswana
        • Gaborone Prevention/Treatment Trials CRS
    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • Brigham and Women's Hosp. CRS
      • Boston, Massachusetts, United States, 02115
        • Fenway Community Health Clinical Research Site (FCHCRS)
    • Missouri
      • Saint Louis, Missouri, United States, 63110
        • Saint Louis Univ. School of Medicine, HVTU
    • Rhode Island
      • Providence, Rhode Island, United States, 02906
        • Miriam Hospital's HVTU

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 40 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria

  • HIV negative
  • Positive for one or more of the following HLA supertypes: -A2, -A3, or -B7
  • Willing to receive HIV test results
  • Good general health
  • Acceptable methods of contraception for females of reproductive potential
  • Hepatitis B surface antigen negative
  • Anti-hepatitis C virus antibody (anti-HCV) negative or negative HCV PCR if anti-HCV is positive

Exclusion Criteria

  • HIV vaccines or placebos in prior HIV vaccine trial
  • Immunosuppressive medications within 168 days prior to first study vaccine administration
  • Blood products within 120 days prior to first study vaccine administration
  • Immunoglobulin within 60 days prior to first study vaccine administration
  • Live attenuated vaccines within 30 days prior to first study vaccine administration
  • Investigational research agents within 30 days prior to first study vaccine administration
  • Subunit or killed vaccines within 14 days prior to first study vaccine administration
  • Current tuberculosis prophylaxis or therapy
  • Active syphilis
  • Serious adverse reaction to vaccines. A person who had an adverse reaction to pertussis vaccine as a child is not excluded.
  • Autoimmune disease or immunodeficiency
  • Unstable asthma
  • Type 1 or Type 2 Diabetes Mellitus
  • Thyroid disease requiring treatment
  • Serious angioedema within the past 3 years
  • Uncontrolled hypertension
  • Bleeding disorder
  • Malignancy unless it has been surgically removed and, in the opinion of the investigator, is not likely to recur during the study period
  • Seizure disorder requiring medication within the past 3 years
  • Asplenia
  • Mental illness that would interfere with compliance with the protocol
  • Other conditions that, in the judgment of the investigator, would interfere with the study
  • Pregnant or breast-feeding

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Study Chair: Geoffrey J. Gorse, MD, St. Louis University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Completion (Actual)

September 1, 2005

Study Registration Dates

First Submitted

February 11, 2003

First Submitted That Met QC Criteria

February 12, 2003

First Posted (Estimate)

February 13, 2003

Study Record Updates

Last Update Posted (Actual)

October 14, 2021

Last Update Submitted That Met QC Criteria

October 13, 2021

Last Verified

October 1, 2021

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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