HIV Clinical Trial
Official title:
Periodical Presumptive Treatment of Gonorrhoea in Female Sex Workers: Impact on Prevalence of the Disease in Sex Workers and Their Clients
In the early years of the HIV epidemic in Africa, female sex workers (FSWs) were identified
as a high-prevalence, high-incidence, core group among whom the extraordinary prevalence of
other sexually transmitted infections (STIs) facilitated transmission of the virus to their
clients, who then infected low-risk women not involved in the sex trade. In resource-poor
settings, control of Neisseria gonorrhoeae (NG) and Chlamydia trachomatis (CT) among FSWs is
difficult. The purpose of this study is to determine whether periodical antibiotic treatment
(PAT) is effective in controlling these infections among West African FSWs.
The study is designed as a cluster-randomized double-blind placebo-controlled trial
conducted in West Africa. The study population consists of "seaters" FSWs who work from
their homes in well-defined areas. Clusters will be paired according to their size and
demographic characteristics of FSWs and clients. Within each pair, one cluster will be
randomly allocated to the intervention and the other to the placebo group.
At enrollment, participants will be interviewed, a pelvic examination performed, cervical
swabs obtained for NG and CT polymerase chain reaction (PCR), and current cervicitis or
vaginitis managed syndromically. Blood specimens will be obtained for HIV testing. All
participants will be given free condoms and counseled on risk reduction.
Monthly follow-up will be conducted within FSW communities, alternating with clinic visits
where cervical samples will be collected. Study drugs (azithromycin 1 g and ciprofloxacin
500 mg, and their identical placebos) will be distributed every month according to a
predefined schedule: directly-observed intake of azithromycin at months 1, 4 and 7, and
ciprofloxacin at months 2, 3, 5, 6, 8 and 9.
Data will be analyzed with SAS. The investigators will assess the time trends in NG and CT
prevalence separately in both study groups using χ2-for-trend.
Status | Completed |
Enrollment | 636 |
Est. completion date | April 2002 |
Est. primary completion date | April 2002 |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Female sex worker (seater) from one of the selected clusters Exclusion Criteria: - Allergy to study drugs - Pregnancy - Intention to leave the city within the next 3 months |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Benin | Dispensaire des infections sexuellement transmissibles | Cotonou |
Lead Sponsor | Collaborator |
---|---|
Centre Hospitalier Universitaire de Québec, CHU de Québec | Centre Hospitalier Universitaire de Sherbrooke, Maisonneuve-Rosemont Hospital, Ministry of Health, Benin |
Benin,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Presence of gonococcal infection | Cervical samples for NG PCR will be collected at the clinic visit planned at months 3 (between 45-134 days after enrolment). Time trend in gonorrhoea prevalence will be analysed. | 3 months | No |
Primary | Presence of gonococcal infection | Cervical samples for NG PCR will be collected at the clinic visit planned at months 6 (between 135-224 days after enrolment). Time trend in gonorrhoea prevalence will be analysed. | 6 months | No |
Primary | Presence of gonococcal infection | Cervical samples for NG PCR will be collected at the clinic visit planned at months 9 (between 225-315 days after enrolment). Time trend in gonorrhoea prevalence will be analysed. | 9 months | No |
Secondary | Presence of chlamydia infection | Cervical samples for CT PCR will be collected at the clinic visit planned at months 3 (between 45-134 days after enrolment). Time trend in gonorrhoea prevalence will be analysed. | 3 months | No |
Secondary | Presence of chlamydia infection | Cervical samples for CT PCR will be collected at the clinic visit planned at months 6 (between 135-224 days after enrolment). Time trend in gonorrhoea prevalence will be analysed. | 6 months | No |
Secondary | Presence of chlamydia infection | Cervical samples for CT PCR will be collected at the clinic visit planned at months 9 (between 225-315 days after enrolment). Time trend in gonorrhoea prevalence will be analysed. | 9 months | No |
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