Effects of a Vaginal Contraceptive Ring on Vaginal Microbiota and Local Immunity
Study Details
Study Description
Brief Summary
To assess potential benefits associated with both intermittent (use for 3 weeks, remove for 1 week, as defined in the package insert) and continuous (use for 4 weeks, then replace) CVR use among women either with BV or at high risk for BV. The investigators will also recruit women who are HSV2-infected.
Condition or Disease | Intervention/Treatment | Phase |
---|---|---|
Phase 4 |
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Active Comparator: Cyclic NuvaRing CVR Use CVR use for 3 weeks, remove for 1 week, then replace |
Drug: NuvaRing
|
Experimental: Continuous NuvaRing CVR Use CVR use for 4 weeks, then replace |
Drug: NuvaRing
|
Outcome Measures
Primary Outcome Measures
- Quantity of BV-associated bacteria by qPCR and high-throughput sequencing tests [Up to 8 months]
Secondary Outcome Measures
- Quantity of vaginal defensins and cytokines [Up to 8 months]
- Rates of incident BV [Up to 8 months]
- Rates of HSV-2 viral shedding among HSV-2-infected women assessed by PCR [Up to 3 months]
Eligibility Criteria
Criteria
Inclusion Criteria:
-
≥18-40 year old women
-
BV+ by Amsel criteria and Nugent score OR history of BV in the prior 6 months
-
Willing to use the NuvaRing as directed
-
Not intending or wishing to become pregnant over the course of the study
-
Capable of providing written informed consent
Exclusion Criteria:
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Current pregnancy
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Desire/intent to become pregnant over the course of the study
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Women who are less than 6 weeks postpartum
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Contraindications to hormonal contraceptive use per package insert, including history of deep vein thrombosis, smoking in women older than 35 years
-
Current IUD
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Unable to comprehend consent material because of language barrier or psychological difficulty
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
---|---|---|---|---|---|
1 | UW Virology Research Clinic | Seattle | Washington | United States | 98104 |
Sponsors and Collaborators
- University of Washington
- National Institute of Allergy and Infectious Diseases (NIAID)
Investigators
- Principal Investigator: Christine Johnston, MD, MPH, University of Washington
Study Documents (Full-Text)
None provided.More Information
Publications
- Atashili J, Poole C, Ndumbe PM, Adimora AA, Smith JS. Bacterial vaginosis and HIV acquisition: a meta-analysis of published studies. AIDS. 2008 Jul 31;22(12):1493-501. doi: 10.1097/QAD.0b013e3283021a37. Review.
- Cohen CR, Lingappa JR, Baeten JM, Ngayo MO, Spiegel CA, Hong T, Donnell D, Celum C, Kapiga S, Delany S, Bukusi EA. Bacterial vaginosis associated with increased risk of female-to-male HIV-1 transmission: a prospective cohort analysis among African couples. PLoS Med. 2012;9(6):e1001251. doi: 10.1371/journal.pmed.1001251. Epub 2012 Jun 26.
- Heffron R, Donnell D, Rees H, Celum C, Mugo N, Were E, de Bruyn G, Nakku-Joloba E, Ngure K, Kiarie J, Coombs RW, Baeten JM; Partners in Prevention HSV/HIV Transmission Study Team. Use of hormonal contraceptives and risk of HIV-1 transmission: a prospective cohort study. Lancet Infect Dis. 2012 Jan;12(1):19-26. doi: 10.1016/S1473-3099(11)70247-X. Epub 2011 Oct 3. Erratum in: Lancet Infect Dis. 2012 Feb;12(2):98.
- Veres S, Miller L, Burington B. A comparison between the vaginal ring and oral contraceptives. Obstet Gynecol. 2004 Sep;104(3):555-63.
- Vodstrcil LA, Hocking JS, Law M, Walker S, Tabrizi SN, Fairley CK, Bradshaw CS. Hormonal contraception is associated with a reduced risk of bacterial vaginosis: a systematic review and meta-analysis. PLoS One. 2013 Sep 4;8(9):e73055. doi: 10.1371/journal.pone.0073055. eCollection 2013. Review.
- STUDY00003584
- U19AI113173