Try our beta test site
IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...

Effectiveness of AIDSVAX B/E Vaccine in Intravenous Drug Users in Bangkok, Thailand

This study has been completed.
Information provided by:
NIH AIDS Clinical Trials Information Service Identifier:
First received: October 2, 2000
Last updated: June 23, 2005
Last verified: June 2003
The purpose of this study is to determine if the vaccine, AIDSVAX B/E, will protect intravenous drug users from becoming infected with HIV.

Condition Intervention Phase
HIV Infections
HIV Seronegativity
Biological: MN rgp120/HIV-1 and A244 rgp120/HIV-1
Phase 3

Study Type: Interventional
Study Design: Masking: Double-Blind
Primary Purpose: Prevention
Official Title: A Phase III Trial to Determine the Efficacy of AIDSVAX B/E Vaccine in Intravenous Drug Users in Bangkok, Thailand

Resource links provided by NLM:

Further study details as provided by NIH AIDS Clinical Trials Information Service:

Estimated Enrollment: 2500
Study Start Date: March 1999
Estimated Study Completion Date: August 2000
Detailed Description:
Volunteers are immunized and followed for a minimum of 2 years. Any volunteer that becomes infected with HIV-1 is followed every 4 months post infection for up to 36 months. Behavior effects associated with study participation are assessed.

Ages Eligible for Study:   20 Years to 60 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria

Volunteers may be eligible for this study if they:

  • Are 20 to 60 years old.
  • Are HIV-negative.
  • Have used intravenous drugs in the previous 12 months.
  • Are available and commit to 3 years of follow-up.
  • Have a Thai National ID or its equivalent such as government official ID or state enterprise ID.
  • Are able to understand the study and pass a test showing they understand it, and give written informed consent.

Exclusion Criteria

Volunteers will not be eligible for this study if they:

  • Have a serious disease or condition, or history of a serious disease or condition such as lymphoma, that would interfere with the study.
  • Are HIV-positive.
  • Have ever received an experimental HIV-1 vaccine.
  • Have had or expect to have any treatments or medications that interfere with the immune system (e.g., long-term use of systemic steroids, chemotherapy, or radiation).
  • Have received a vaccine or immunoglobulin within 2 weeks of receiving the first study injection, or other vaccines within 4 weeks of the first study injection.
  • Have received immunoglobulins for a long time.
  • Have received non-licensed, research agents within 4 weeks of the first study injection.
  • Expect to miss study visits or plan to move within 36 months.
  • Are pregnant or breast-feeding or plan to become pregnant during the 36-month study period.
  • Are women who have sex with men and do not plan to use effective birth control.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00006327

Kachit Choopanya
Klongsan / Bangkok, Thailand
Sponsors and Collaborators
Principal Investigator: Kachit Choopanya
  More Information

Publications automatically indexed to this study by Identifier (NCT Number): Identifier: NCT00006327     History of Changes
Other Study ID Numbers: VAX 003
Study First Received: October 2, 2000
Last Updated: June 23, 2005

Keywords provided by NIH AIDS Clinical Trials Information Service:
Recombinant Proteins
AIDS Serodiagnosis
Substance Abuse, Intravenous
Enzyme-Linked Immunosorbent Assay
Blotting, Western
HIV Envelope Protein gp120

Additional relevant MeSH terms:
HIV Infections
Lentivirus Infections
Retroviridae Infections
RNA Virus Infections
Virus Diseases
Sexually Transmitted Diseases, Viral
Sexually Transmitted Diseases
Immunologic Deficiency Syndromes
Immune System Diseases processed this record on May 23, 2017