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A Safety Study of Dapivirine Vaginal Ring in Africa

A Double-Blind, Randomized, Placebo-Controlled Phase I/II Study to Evaluate the Safety of an Intravaginal Matrix Ring With Dapivirine in Healthy, HIV-Negative Women.

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01071174
Enrollment
280
Registered
2010-02-19
Start date
2010-04-30
Completion date
2011-07-31
Last updated
2011-08-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HIV Infections

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)

OTHERPlacebo

Vaginal Ring containing no drug substance

Sponsors

International Partnership for Microbicides, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 40 Years
Healthy volunteers
Yes

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

MeasureTime 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

MeasureTime 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

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 2, 2026