Clinical Trials


A Safety Study of Dapivirine Vaginal Ring in Africa

This study has been completed
International Partnership for Microbicides, Inc.

Information provided by (Responsible Party)
International Partnership for Microbicides, Inc. Identifier

First received: February 17, 2010
Last updated: August 1, 2011
Last Verified: August 2011
History of Changes


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.

Condition Intervention Phase
HIV Infections

Other : Dapivirine
Other : Placebo
Phase 1
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Primary Purpose: Prevention
Official Title: 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.

Further study details as provided by International Partnership for Microbicides, Inc.:

Primary Outcome Measures

  • 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. [ Time Frame: 16 weeks ]
Secondary Outcome Measures:
  • Acceptability of the product determined by questionnaire. [ Time Frame: 16 weeks ]
  • Adherence to the protocol-specific product regimen as determined by self-report and clinician observation at each study visit. [ Time Frame: 12 weeks ]

Enrollment: 280
Study Start Date: April 2010
Study Completion Date: July 2011
Primary Completion Date: May 2011 (Final data collection date for primary outcome measure)

Arms Assigned Interventions
Placebo Comparator: Placebo Ring
Vaginal Ring containing no drug substance
Other: Placebo

Vaginal Ring containing no drug substance

Experimental: Dapivirine Ring
Dapivirine Vaginal Ring 25mg
Other: Dapivirine

Vaginal ring containing 25mg dapivirine; One ring inserted every 28 days for 84 days (3 rings total)



Ages Eligible for Study: 18 Years to 40 Years  
Sexes Eligible for Study: Female  
Accepts 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

contacts and locations

Contacts and Locations

Choosing to participate in a study is an important personal decision.Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01071174


Kenya Medical Research Institute (KEMRI)
Kisumu, Kenya
University of North Carolina Project
Lilongwe, Malawi
South Africa
Reproductive Health and HIV Research Unit (RHRU)
Edendale, Kwazulu Natal, South Africa
Qhakaza Mbokodo
Ladysmith, Kwazulu Natal, South Africa
Prevention for HIV and AIDS Project (PHIVA)
Pinetown, Kwazulu Natal, South Africa
Madibeng Centre for Research
Brits, North West, South Africa
Desmond Tutu HIV Foundation Masiphumelele
Cape Town, Western Cape, South Africa
Desmond Tutu HIV Foundation Nyanga
Cape Town, Western Cape, South Africa
Be Part Yoluntu Centre Mbekweni
Paarl, Western Cape, South Africa
Kilimanjaro Christian Medical Centre (KCMC)
Moshi, Tanzania

Sponsors and Collaborators

International Partnership for Microbicides, Inc.


Study Director: Dr Annalene Nel IPM
More Information

More Information

Responsible Party: Annalene Nel, MBChB, PhD, International Partnership for Microbicides Identifier: NCT01071174   History of Changes  
Other Study ID Numbers: IPM 015  
Study First Received: February 17, 2010  
Last Updated: August 1, 2011  

Keywords provided by International Partnership for Microbicides, Inc.:

HIV infections
Anti-HIV agents

Additional relevant MeSH terms:
HIV Infections
Dapivirine processed this data on June 02, 2020
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