Contraceptive Efficacy Study of Ovaprene

NCT ID: NCT06127199

Last Updated: 2025-12-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

656 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-12-19

Study Completion Date

2026-09-30

Brief Summary

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This will be a multi-center, single arm, open-label study of Ovaprene, a non-hormonal intravaginal ring, to investigate the contraceptive effectiveness, safety and acceptability of Ovaprene.

Detailed Description

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Conditions

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Contraception

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Ovaprene

Group Type EXPERIMENTAL

Ovaprene

Intervention Type DEVICE

Non-hormonal intravaginal ring

Interventions

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Ovaprene

Non-hormonal intravaginal ring

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Sexually active people assigned female at birth, at risk for pregnancy and desiring contraception.
* General good health, by subject history and per investigator judgement
* Age 18 through 40 years, inclusive; approximately 66 subjects \>35 years old at visit 2 will be the Enrolled-Eligible Population
* In a relationship with a person assigned male at birth who meets eligibility criteria below.

--At least 18 years old, not known to be subfertile or infertile
* Have regular menstrual cycles (when not on hormonal contraception) with a usual length of 21 to 35 days, without heave bleeding that lasts longer than 5 days
* Be willing to stop their current method of contraception (with the exception of condoms) before Visit 2. Participants must experience at least one subsequent menstrual bleed before inserting Ovaprene. Participants using injectable contraception must be at least 9 months post their last dose at screening and have experienced at least 2 subsequent regular menstrual bleeds that were part of cycles of 21-35 days. After stopping their current method of contraception, subjects must either abstain fro vaginal sex or use condoms before inserting their first Ovaprene
* Not be actively desiring pregnancy for at least 13 months and be willing to accept an unknown risk of pregnancy
* Expect to engage in at least 4 acts of heterosexual vaginal intercourse per cycle during the study.
* Be willing to only use Ovaprene as the sole method of contraception over the course of the study
* Agree not to participate in any other clinical trials during the course of the study
* Be willing and able to comply with study procedures and to return to the clinic for scheduled follow-up visits
* Microbiota/innate immunity and colposcopy subsets only:

* Be willing to avoid vaginal sex and using tampons and other intravaginal products for 48 hours prior to clinic visits; and be willing to comply with subset procedures

Exclusion Criteria

* Currently pregnant and/or have a positive urine pregnancy test at screening.
* Have an allergy to the ingredients in Ovaprene
* Have a history of toxic shock syndrome
* Have a history of hereditary hemochromatosis
* Be breastfeeding an infant
* Have a history suggestive of infertility, defined as any of the following: known history of ectopic pregnancy or other fertility problem; sterilization/permanent contraception; endometriosis or hospitalization for pelvic inflammatory disease (PID) unless subject has had a subsequent spontaneous intrauterine pregnancy; or use of medications that could cause subfertility such as gonadotropin-releasing hormone agonists
* Currently have postcoital bleeding
* Have contraindications to pregnancy (medical condition) or chronic use of medications contraindicated in pregnancy
* Have a history of clinically significant uterine prolapse, cystocele, or rectocele that has required surgical intervention or pessary use
* Positive human immunodeficiency virus (HIV) test at screening
* Have exclusionary results on human papilloma virus (HPV) screening/cytology (subjects\>/=21 years old) at screening or require treatment or follow-up for an abnormal Pap smear or HPV test that would be needed during the study.
* Have had a vaginal or cervical biopsy within 1 month or vaginal surgery within the 3 months prior to screening
* Known current drug or alcohol abuse which, in the opinion of the investigator, could impact study compliance
* Have previously been included in the Enrolled-Eligible Population
* Is a direct employee or immediate family member of the Sponsor company, site Investigators or study staff
* Have taken any investigational drug or used any investigational device within the 30 days prior to screening
* Have a history of any severe acute or chronic medical or psychiatric condition or laboratory abnormality that could increase the risk associated with trial participation or study treatment administration or could interfere with the interpretation of trial results
* Microbiota/innate immunity subset only:

--systemic use in the last 2 weeks prior to screening or anticipated use during the study of antibiotics (other than those used to treat urinary tract infection (UTI), candidiasis, or bacterial vaginosis(BV) diagnosed at Visit 1) or antivirals;
* If male partner has or is suspected to have had an HIV infection or other sexually transmitted infection
* if male partner has a known sensitivity or allergy to the ingredients in Ovaprene
* If male partner has previously participated in this study or has taken any investigational drug or used any investigational device within 30 days prior to the female subject's screening
* If the male partner has a history of any severe acute or chronic medical or psychiatric condition that could increase the risk associated with trial participation or could interfere with the interpretation of trial results.
Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

NIH

Sponsor Role collaborator

Daré Bioscience, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Christine Mauck, MD

Role: STUDY_DIRECTOR

Daré Bioscience, Inc.

Locations

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Precision Trials AZ

Phoenix, Arizona, United States

Site Status RECRUITING

MomDoc Women's Health Research

Scottsdale, Arizona, United States

Site Status RECRUITING

Del Sol Research Management, LLC

Tucson, Arizona, United States

Site Status RECRUITING

Essential Health Access (Berkeley)

Berkeley, California, United States

Site Status COMPLETED

Essential Access Health

Los Angeles, California, United States

Site Status ACTIVE_NOT_RECRUITING

Amicis Research Center

Newhall, California, United States

Site Status RECRUITING

University of California at Davis

Sacramento, California, United States

Site Status COMPLETED

University of California, San Francisco

San Francisco, California, United States

Site Status WITHDRAWN

University of Colorado Denver

Aurora, Colorado, United States

Site Status ACTIVE_NOT_RECRUITING

Emory University

Atlanta, Georgia, United States

Site Status ACTIVE_NOT_RECRUITING

University of Hawaii

Honolulu, Hawaii, United States

Site Status ACTIVE_NOT_RECRUITING

Praetorian Pharmaceutical Research, LLC

Marrero, Louisiana, United States

Site Status ACTIVE_NOT_RECRUITING

The Johns Hopkins University

Baltimore, Maryland, United States

Site Status COMPLETED

Boston Medical Center

Boston, Massachusetts, United States

Site Status ACTIVE_NOT_RECRUITING

Washington University

St Louis, Missouri, United States

Site Status COMPLETED

Rutgers Medical Center

Newark, New Jersey, United States

Site Status COMPLETED

Columbia University

New York, New York, United States

Site Status COMPLETED

Einstein College of Medicine

The Bronx, New York, United States

Site Status COMPLETED

Carolina Women's Research and Wellness Center

Durham, North Carolina, United States

Site Status ACTIVE_NOT_RECRUITING

University of Cincinnati

Cincinnati, Ohio, United States

Site Status COMPLETED

Case Western

Cleveland, Ohio, United States

Site Status COMPLETED

Oregon Health and Science University

Portland, Oregon, United States

Site Status ACTIVE_NOT_RECRUITING

University of Pennsylvania Penn Obstetric Gynecology Associates

Philadelphia, Pennsylvania, United States

Site Status COMPLETED

Magee-Women's Hospital

Pittsburgh, Pennsylvania, United States

Site Status ACTIVE_NOT_RECRUITING

University of Utah

Salt Lake City, Utah, United States

Site Status COMPLETED

Eastern Virginia Medical School

Norfolk, Virginia, United States

Site Status COMPLETED

Seattle Clinical Research Center

Seattle, Washington, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Christine Mauck, MD

Role: CONTACT

www.ovaprenestudy.com

Jessica Hatheway

Role: CONTACT

www.ovaprenestudy.com

Facility Contacts

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Director of Operations

Role: primary

602-931-4507

Nicole Catalana Clinical Research Coordinator

Role: primary

480-305-7423

Recruitment Manager

Role: primary

520-257-3881

Tyrone Business Developer

Role: primary

818-924-4708

Meranda Ruiz

Role: primary

206 522 3330 ext. 2

Other Identifiers

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DR-OVP-002

Identifier Type: -

Identifier Source: org_study_id