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Daily Tenofovir DF to Prevent HIV Infection Among Sex Workers in Cambodia

National Institute of Allergy and Infectious Diseases (NIAID) logo

National Institute of Allergy and Infectious Diseases (NIAID)

Status and phase

Withdrawn
Phase 3
Phase 2

Conditions

HIV Infections
HIV Seronegativity

Treatments

Drug: Tenofovir DF

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT00078182
1U01AI054241-01

Details and patient eligibility

About

Tenofovir disoproxil fumarate (also known as tenofovir DF or Viread) is used with other anti-HIV drugs to treat HIV infection. Taking tenofovir DF every day may also prevent HIV infection. This study will determine if taking a tenofovir DF tablet every day is safe and effective in preventing HIV infection. Participants in the study will be sex workers in Phnom Penh, Cambodia.

Full description

Cambodia has one of the highest rates of HIV infection in Southeast Asia. At the end of 2002, HIV infection rates among Cambodian sex workers ranged from 14.8% to 28.8%. Tenofovir DF is a nucleotide reverse transcriptase inhibitor (NRTI) that was licensed for the treatment of HIV-1 infection by the United States Food and Drug Administration (FDA) in October 2001. This randomized clinical trial will determine if a daily oral 300 mg dose of tenofovir DF is safe and effective in preventing HIV-1 infection. This is a collaborative study between the University of California, San Francisco, the University of New South Wales, and the Ministry of Health of Cambodia.

Nine hundred and sixty HIV uninfected female sex workers in Phnom Penh will be enrolled in the trial. Participants will be randomized to receive either 300 mg of tenofovir DF or placebo daily for 12 months. Participants will be evaluated for rates of HIV infection, adherence to the drug regimen, and changes in risk behaviors. All participants will be monitored throughout the trial for side effects and toxicity. Participants will be involved in the study for 14 months.

Sex

Female

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

  • HIV uninfected
  • Report receiving money or gifts for vaginal or anal sexual intercourse in the year prior to study entry
  • Able to provide a street address of residence for themselves and two personal contacts who would know their whereabouts during the study period
  • Normal lab values within 14 days of study entry
  • Ability to understand spoken Khmer
  • Willing and able to provide written informed consent

Exclusion Criteria

  • Pregnant or breast-feeding
  • Previously diagnosed active or serious infections
  • Certain medications
  • Active alcohol or drug abuse that could interfer with the study
  • Previously diagnosed malignancies other than basal cell carcinoma
  • Any other condition that, in the opinion of the study officials, would preclude informed consent, make participation in the study unsafe, complicate interpretation of study outcome data, or otherwise interfere with achieving the study objectives

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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