A Study of Nonoxynol-9 (N-9) and HIV Infection

National Institute of Allergy and Infectious Diseases (NIAID) logo

National Institute of Allergy and Infectious Diseases (NIAID)

Status and phase

Completed
Phase 3

Conditions

HIV Infections

Treatments

Drug: Nonoxynol-9

Study type

Interventional

Funder types

NIH

Identifiers

NCT00000926
11712 (Registry Identifier)
HIVNET 016
HIVNET 016 Pilot

Details and patient eligibility

About

The purpose of this study is to see if nonoxynol-9 (N-9) gel used in the vagina can prevent the spread of HIV. Most of the people with HIV in the world today live in southern Africa. Because this population is not likely to use condoms, an HIV-prevention method that women can control is needed. N-9 used in the vagina may help prevent the spread of HIV and other sexually transmitted diseases.

Full description

Intravaginal application of N-9 may help protect women from HIV and other STD infection. Low rates of condom use in sub-Saharan African populations, which constitute the majority of HIV infections, dictate the need for prophylactic methods women can control. This trial will be conducted in Zimbabwe and Malawi. The Phase III trial is preceded by a 2-week safety and acceptability pilot study to determine the extent of genital irritation caused by N-9 and the placebo. Following the pilot study and prior to screening for enrollment in the Phase III trial, potential volunteers will participate in a 2-month behavioral counseling program that will encourage the use of condoms. Only participants who decide they cannot or will not be consistent condom users are enrolled in the main study. Study participants are given N-9 gel or placebo to use each time they have vaginal sexual intercourse for 18 to 36 months. Participants have a follow-up evaluation once a month; a pelvic exam and blood tests are performed every third month.

Sex

Female

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

Volunteers may be eligible if they:

  • Are HIV-negative.
  • Are sexually active and expect to have vaginal intercourse at least twice a week during the study.
  • Are willing to keep a diary of their sexual behavior and N-9 use.
  • Are willing to have regular clinic visits including pelvic exams.
  • Are at least 18 years old.
  • Are female.

Exclusion Criteria

Volunteers will not be eligible if they:

  • Have had a child or an abortion in the past 42 days.
  • Are allergic to latex or N-9.
  • Have genital sores.
  • Have syphilis, chlamydia, gonorrhea, or trichomoniasis.
  • Are enrolled in another study for a product like N-9.
  • Expect to use another vaginal product other than N-9 during the study.
  • Are pregnant.

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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