HIV Infections
Conditions
Keywords
HIV infections, Anti-HIV agents, HIV-1
Brief summary
This is a double-blind, randomized, placebo-controlled Phase I/II study to assess the safety of a silicone elastomer vaginal ring containing 25mg dapivirine.
Interventions
Vaginal ring containing 25mg dapivirine; One ring inserted every 28 days for 84 days (3 rings total)
Vaginal Ring containing no drug substance
Sponsors
Study design
Eligibility
Inclusion criteria
* Women between 18 and 40 years of age inclusive who can provide informed consent * Available for all visits and consent to follow all procedures scheduled for the study * Healthy and self-reported sexually active * HIV-negative * On a stable form of contraception and willing to continue OR have undergone surgical sterilization at least 3 months prior to enrollment * In the absence of the use of exogenous hormone(s), have a self-reported regular menstrual cycle defined as having a minimum of 21 days and a maximum of 35 days between menses * Upon pelvic/speculum examination and colposcopy at the time of enrolment, the cervix and vagina appear normal as determined by the investigator * Asymptomatic for genital infections at the time of enrolment * Willing to refrain from use of vaginal products or objects within 14 days from enrollment and for the duration of the study * Willing to answer to acceptability, adherence and behavioural assessments throughout the study * Willing to refrain from participation in any other research study for the duration of their participation * Willing to provide adequate locator information for study retention purposes and be reachable per local standard procedures
Exclusion criteria
* Currently pregnant or last pregnancy within 3 months prior to enrolment * Currently breast-feeding * Participated in any other research study within 60 days prior to screening * Previously participated in any HIV vaccine study * Untreated urogenital infections within 2 weeks prior to enrolment * Presence of any abnormal physical finding on the vulva, vaginal walls or cervix during pelvic/speculum examination and/or colposcopy * History of significant urogenital or uterine prolapse, undiagnosed vaginal bleeding, or urethral obstruction, incontinence or urge incontinence * Pap smear result at screening that requires cryotherapy, biopsy, treatment or further evaluation * Any Grade 2, 3 or 4 baseline (screening) haematology, chemistry or urinalysis laboratory abnormality according to the DAIDS Table for Grading Adverse Events * Any abnormal bleeding per vagina, bleeding per vagina during or following vaginal intercourse, or gynaecologic surgery within 90 days prior to enrolment * Any history of anaphylaxis or severe allergy resulting in angioedema; or a history of sensitivity/allergy to latex or silicone elastomer * Any serious acute, chronic or progressive disease * Any condition(s) that, in the opinion of the investigator, might interfere with adherence to study requirements or evaluation of the study objectives
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Safety as determined by the proportion of women in each arm experiencing protocol-specified events, including AEs, laboratory abnormalities, cervico-vaginal abnormalities, abnormal vaginal flora/pH during the study. | 16 weeks |
Secondary
| Measure | Time frame |
|---|---|
| Acceptability of the product determined by questionnaire. | 16 weeks |
| Adherence to the protocol-specific product regimen as determined by self-report and clinician observation at each study visit. | 12 weeks |
Countries
Kenya, Malawi, South Africa, Tanzania