A Phase 1, Randomized Pharmacokinetics and Safety Study of Extended Duration Dapivirine Vaginal Rings

• ClinicalTrials.gov Identifier: NCT03234400
• Recruitment Status: Completed
• First Posted: July 31, 2017
• Last Update Posted: January 29, 2019
• Sponsor: International Partnership for Microbicides, Inc.
• Collaborators: National Institutes of Health (NIH); National Institute of Allergy and Infectious Diseases (NIAID)
• Information provided by (Responsible Party): International Partnership for Microbicides, Inc.

Study Description

Brief Summary:

Participants will be randomized to one of three study vaginal rings (VRs) in a 1:1:1 ratio, 25 mg, 100 mg or 200 mg VRs.

Condition or disease	Intervention/treatment	Phase
HIV-1-infection	Combination Product: Dapivirine Vaginal Ring, 25 mg; Combination Product: Dapivirine Vaginal Ring, 100 mg; Combination Product: Dapivirine Vaginal Ring, 200 mg	Phase 1

Detailed Description:

Participants will be randomized to one of three study vaginal rings (VRs) in a 1:1:1 ratio, and those randomized to the 100 mg and 200 mg VRs will not be told their group assignment. Participants will insert one VR to be used continuously for 13 weeks (100 mg VR or 200 mg VR) or one VR (25 mg VR) to be replaced every 4 weeks for 8 weeks, then worn for an additional 5 weeks for a total of 13 weeks. Participants will continue follow-up for an additional one to three days after final VR removal.

Study Design

• Study Type: Interventional (Clinical Trial)
• Actual Enrollment: 49 participants
• Allocation: Randomized
• Intervention Model: Parallel Assignment
• Masking: Single (Participant)
• Primary Purpose: Prevention
• Official Title: A Phase 1, Randomized Pharmacokinetics and Safety Study of Extended Duration Dapivirine Vaginal Rings
• Actual Study Start Date: December 4, 2017
• Actual Primary Completion Date: October 23, 2018
• Actual Study Completion Date: January 23, 2019

Arms and Interventions

Arm	Intervention/treatment
Experimental: 25 mg Dapivirine Vaginal Ring; Participants will insert one Dapivirine Vaginal Ring, 25 mg to be replaced every 4 weeks for 8 weeks, then worn for an additional 5 weeks for a total of 13 weeks. Participants will continue follow-up for an additional one to three days after final VR removal.	Combination Product: Dapivirine Vaginal Ring, 25 mg; Vaginal Ring containing 25 mg dapivirine
Experimental: 100 mg Dapivirine Vaginal Ring; Participants will insert one Dapivirine Vaginal Ring, 100 mg to be used continuously for 13 weeks. Participants will continue follow-up for an additional one to three days after final VR removal.	Combination Product: Dapivirine Vaginal Ring, 100 mg; Vaginal Ring containing 100 mg dapivirine
Experimental: 200 mg Dapivirine Vaginal Ring; Participants will insert one Dapivirine Vaginal Ring, 200 mg to be used continuously for 13 weeks. Participants will continue follow-up for an additional one to three days after final VR removal.	Combination Product: Dapivirine Vaginal Ring, 200 mg; Vaginal Ring containing 200 mg dapivirine

Outcome Measures

Primary Outcome Measures :

1. DPV concentration in plasma. [ Time Frame: 13 weeks ]
   To compare the local and systemic pharmacokinetics (PK) of two extended duration DPV VRs (100 mg and 200 mg) when used continuously for 13 weeks to the current 25 mg DPV VR when replaced every 4 weeks for 8 weeks and then worn for an additional 5 weeks for a total of 13 weeks.
2. DPV concentration in cervicovaginal fluid [ Time Frame: 13 weeks ]
   To compare the local and systemic pharmacokinetics (PK) of two extended duration DPV VRs (100 mg and 200 mg) when used continuously for 13 weeks to the current 25 mg DPV VR when replaced every 4 weeks for 8 weeks and then worn for an additional 5 weeks for a total of 13 weeks.
3. DPV concentration in cervical tissue [ Time Frame: 13 weeks ]
   To compare the local and systemic pharmacokinetics (PK) of two extended duration DPV VRs (100 mg and 200 mg) when used continuously for 13 weeks to the current 25 mg DPV VR when replaced every 4 weeks for 8 weeks and then worn for an additional 5 weeks for a total of 13 weeks.
4. Safety comparison of the two extended duration DPV VRs (100 mg and 200 mg) to the current 25 mg DPV VR [ Time Frame: 13 weeks ]
   • Proportions of participants with Grade 2 or higher genitourinary adverse events as defined by the Division of AIDS (DAIDS) Table for Grading the Severity of Adult and Pediatric Adverse Events, Version 2.1, March 2017, and/or Addendum 1 (Female Genital Grading Table for Use in Microbicide Studies [Dated November 2007])
   • Proportions of participants with Grade 3 or higher adverse events as defined by the Division of AIDS (DAIDS) Table for Grading the Severity of Adult and Pediatric Adverse Events, Version 2.1, March 2017

Secondary Outcome Measures :

1. Adherence [ Time Frame: 13 weeks ]
   • Frequency of study VR removal/expulsions (voluntary and involuntary) and duration without VR in vagina (by self-report)
2. Adherence [ Time Frame: 13 weeks ]
   • VR use initiation and persistence (whether the VR is in place when participants come to the clinic for their study visits)
3. Acceptability [ Time Frame: 13 weeks ]
   Degree to which study participants liked or disliked using the three DPV VRs (by self-report)

Eligibility Criteria

• Ages Eligible for Study: 18 Years to 45 Years (Adult)
• Sexes Eligible for Study: Female
• Accepts Healthy Volunteers: Yes

Criteria

Inclusion Criteria:

• Assigned female sex at birth Note: Participants who are female at birth, who now identify as male, will not be excluded so long as they are not on female-to-male transition therapy.
• Age 18 through 45 years (inclusive) at Screening, verified per site SOPs
• Able and willing to provide written informed consent to be screened for and enrolled in MTN-036/IPM 047
• Able and willing to provide adequate locator information, as defined in site SOPs
• Able to communicate in spoken and written English
• Available for all visits and able and willing to comply with all study procedural requirements
• Willing to comply with abstinence and other protocol requirements
• Willing to use male condoms for penile-vaginal intercourse (PVI) and penile-rectal intercourse for the duration of study participation

• Per participant report, using an effective method of contraception for at least 30 days (inclusive) prior to Enrollment, and intending to continue use of an effective method for the duration of study participation; effective methods include:

  1. hormonal methods (except contraceptive ring)
  2. intrauterine device (IUD)
  3. sterilization (of participant or partner, as defined in site SOPs)
  4. having sex exclusively with cis-women
  5. abstinence from PVI for 90 days prior to Enrollment, and intending to remain abstinent from PVI for the duration of study participation
• HIV-uninfected based on testing performed at Screening and Enrollment
• Per participant report at Screening, regular menstrual cycles with at least 21 days between menses Note: This criterion is not applicable to participants who report using a progestin-only method of contraception at Screening (e.g., Depo-Provera or levonorgestrel-releasing IUD) nor to participants using continuous combination oral contraceptive pills, as the absence of regular menstrual cycles is an expected, normal consequence in this context.
• Per participant report at Screening and Enrollment, states a willingness to refrain from inserting any non-study vaginal products or objects into the vagina including, but not limited to spermicides, female condoms, diaphragms, intravaginal rings, vaginal medications, menstrual cups, cervical caps, douches, lubricants, and sex toys (vibrators, dildos, etc.) for the 24 hours preceding the Enrollment Visit and for the duration of study participation.

Note: Use of tampons is permitted except for 24 hours prior to clinic visits in which CVF samples are scheduled to be collected.

• Participants over the age of 21 (inclusive) must have documentation of a satisfactory Pap within the past 3 years prior to Enrollment consistent with Grade 0 according to the Female Genital Grading Table for Use in Microbicide Studies Addendum 1 (Dated November 2007) to the DAIDS Table for Grading Adult and Pediatric Adverse Events, Version 2.1, March 2017, or satisfactory evaluation with no treatment required of Grade 1 or higher Pap result
• At Screening and Enrollment, agrees not to participate in other research studies involving drugs, medical devices, vaginal products or vaccines after the Screening Visit and for the duration of study participation

Exclusion Criteria:

• Pregnant at Screening or Enrollment or plans to become pregnant during the study period
• Diagnosed with a UTI or reproductive tract infection (RTI) at Screening or Enrollment
• Diagnosed with an acute STI requiring treatment per current Centers for Disease Control and Prevention (CDC) guidelines (http://www.cdc.gov/std/treatment/) at Screening or Enrollment such as gonorrhea (GC), CT, trichomonas, PID, and/or syphilis
• Has a clinically apparent Grade 2 or higher pelvic exam finding (observed by study staff) at Screening or Enrollment, as per the DAIDS Table for Grading the Severity of Adult and Pediatric Adverse Events, Version 2.1, March 2017, and/or Addendum 1 (Female Genital Grading Table for Use in Microbicide Studies [Dated November 2007])

• 5) Participant report and/or clinical evidence of any of the following:

  1. Known adverse reaction to any of the study products (ever)
  2. Chronic and/or recurrent vaginal candidiasis
  3. Non-therapeutic injection drug use in the 12 months prior to Enrollment
  4. Last pregnancy outcome less than 90 days prior to Enrollment
  5. Gynecologic or genital procedure (e.g., tubal ligation, dilation and curettage, piercing) 45 days or less prior to Enrollment Note: Colposcopy and cervical biopsies for evaluation of an abnormal Pap test as well as IUD insertion/removal are not exclusionary.
  6. Currently breastfeeding or planning to breastfeed during the study period
  7. Participation in any other research study involving drugs, medical devices, vaginal products or vaccines, in the 60 days prior to Enrollment
• Use of pre-exposure prophylaxis (PrEP) for HIV prevention and/or post-exposure prophylaxis (PEP) for potential HIV exposure within the 3 months prior to Enrollment, and/or anticipated use and/or unwillingness to abstain from PrEP during trial participation

• Has any of the following Grade 1 or higher laboratory abnormalities at Screening Visit:

  1. AST or ALT
  2. Hemoglobin
• Has any other condition that, in the opinion of the IoR/designee, would preclude informed consent, make study participation unsafe, complicate the interpretation of study outcome data, or otherwise interfere with achieving the study objectives including any significant uncontrolled active or chronic medical condition.

Contacts and Locations

Locations

United States, Alabama

University of Alabama at Birmingham

Birmingham, Alabama, United States, 35294

United States, California

Bridge HIV CRS San Francisco Department of Public Health

San Francisco, California, United States, 94102

Sponsors and Collaborators

International Partnership for Microbicides, Inc.

National Institutes of Health (NIH)

National Institute of Allergy and Infectious Diseases (NIAID)

More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Hawley I, Song M, Scheckter R, McClure T, Piper J, Chen BA, Hoesley C, Liu AY, van der Straten A. Users' Preferred Characteristics of Vaginal Rings for HIV Prevention: A Qualitative Analysis of Two Phase I Trials. AIDS Res Hum Retroviruses. 2022 Apr;38(4):313-326. doi: 10.1089/AID.2021.0077. Epub 2022 Feb 11.

Liu AY, Dominguez Islas C, Gundacker H, Neradilek B, Hoesley C, van der Straten A, Hendrix CW, Beamer M, Jacobson CE, McClure T, Harrell T, Bunge K, Devlin B, Nuttall J, Spence P, Steytler J, Piper JM, Marzinke MA; MTN-036/IPM 047 Protocol Team for the Microbicide Trials Network. Phase 1 pharmacokinetics and safety study of extended duration dapivirine vaginal rings in the United States. J Int AIDS Soc. 2021 Jun;24(6):e25747. doi: 10.1002/jia2.25747.

• Responsible Party: International Partnership for Microbicides, Inc.
• ClinicalTrials.gov Identifier: NCT03234400
• Other Study ID Numbers: MTN-036/IPM 047; 5UM1AI068633 ( U.S. NIH Grant/Contract )
• First Posted: July 31, 2017
• Last Update Posted: January 29, 2019
• Last Verified: January 2019

Individual Participant Data (IPD) Sharing Statement:

• Plan to Share IPD: Undecided

• Studies a U.S. FDA-regulated Drug Product: Yes
• Studies a U.S. FDA-regulated Device Product: Yes
• Device Product Not Approved or Cleared by U.S. FDA: Yes

Additional relevant MeSH terms:

Dapivirine; Anti-HIV Agents; Anti-Retroviral Agents; Antiviral Agents; Anti-Infective Agents