Safety and Efficacy of Boric Acid Inserts for Treatment of Vulvovaginal Candidiasis

Running, not enrolling · Phase 3 · Has a placebo group

Conditions studied: Vulvovaginal Candidiases, Vulvovaginal Candidiasis, Genital, Vulvovaginal Candidiasis (VVC)

In brief

This is a Phase 3 clinical study to evaluate the efficacy, safety, and tolerability of boric acid 600 mg vaginal inserts in patients with VVC.

Key facts

Study ID

NCT07109869

Run by

pH-D Feminine Health LLC

People needed

333

Starts

2025-08-08

Expected to finish

2026-08-13

Last updated by the study team

2026-08-03

Who can join

Age: 12 and older. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Patients who are postmenarcheal, nonpregnant biological females, 12 years of age and older, at Screening;
• Patients with acute symptomatic VVC infection at Screening, defined as meeting all of the following criteria:
• A potassium hydroxide (KOH) wet mount or saline wet mount preparation performed from the inflamed vaginal mucosa or secretions demonstrating yeast forms (hyphae or pseudohyphae) of or budding yeast;
• Vaginal pH ≤4.5; and
• Total Vulvar Signs and Symptoms (VSS) Scale score of ≥4: vulvovaginal signs (edema, erythema, and excoriation/fissures) and symptoms (vulvovaginal burning, itching, and irritation) as rated using the VSS Scale.
• Patients aged 21 and older must have cervical cancer screening results meeting the following criteria for inclusion at Screening or within the 1 year prior to Screening: negative for intraepithelial lesion or malignancy or clinically insignificant findings not requiring any further surveillance or treatment beyond a repeat cervical cytology test;
• Patients between 21 and 29 years of age must have a cervical cancer screening test (Papanicolaou [Pap] smear) performed at Screening or have a documented Pap smear result within 1 year of Screening which must be available for the assessment by the PI or qualified designee at the Screening Visit; and
• Patients 30 years of age and older must have documented cervical cancer screening tests (Pap smear and high-risk human papillomavirus [HPV]) performed at Screening or have documented results within 1 year of Screening which must be available for the assessment by the PI or qualified designee at the Screening Visit.
• Patients must be suitable candidates for vaginal treatment, able to insert the study drug, and are comfortable undergoing pelvic exams;
• Patients willing and able to provide written informed consent or assent (for those 12 to 17 years of age);
• Patients willing and able to comply with Protocol requirements, instructions, and Protocol-stated restrictions, as determined by the PI;
• Patients willing and able to give authorization for use of protected health information;
• Patients of childbearing potential (as defined in Inclusion Criterion 1) must use 1 of the following contraceptive options described below through Day 28 (Visit 5):
• Copper intrauterine device used continuously and successfully for at least 90 days prior to the first dose of study drug;
• Levonorgestrel-releasing intrauterine system used successfully for at least 90 days prior to the first dose of study drug;
• Progestin implant used successfully for at least 90 days prior to the first dose of study drug;
• Monogamy with a vasectomized male partner (medical assessment of the surgical success of the vasectomy must have occurred at least 6 months prior to the first dose of study drug);
• Abstinence; or
• Use of 1 of the following hormonal methods in combination with 1 of the following barrier methods:
• Hormonal methods
• Barrier methods
• Patients must be willing to avoid tampon or menstrual cup use during the Treatment Period (ie, Day 1 to Day 14); and
• Patients must be willing to abstain from receiving oral intercourse during the Treatment Period (ie, Day 1 to Day 14).

You may not qualify if…

• Patients with known or suspected other active infectious causes of cervicitis, vaginitis, or vulvitis (eg, BV, Chlamydia trachomatis, Neisseria gonorrhoeae, T. vaginalis, or genital lesions consistent with HPV, herpes simplex, syphilis, chancroid, etc) based on the results of clinical assessments, in-clinic microscopic assessments (eg, clue cells or trichomonads detected on saline wet mount), and/or rapid diagnostic tests (RDTs) performed prior to enrollment (eg, OSOM® test, etc);
• Patients who have undergone any vaginal rejuvenation procedure (ie, laser) within 4 weeks prior to Screening or plan to undergo a vaginal rejuvenation procedure prior to completion of the last planned assessment;
• Patients who will undergo evaluation or treatment during the clinical study for abnormal cytology or findings from high-risk HPV testing or Pap test finding;
• Patients diagnosed with BV, determined by meeting 3 of the 4 Amsel's criteria:
• A fishy odor of the vaginal discharge before or after the addition of a drop of 10% KOH (ie, a positive whiff test);
• Homogenous, thin discharge (milk-like consistency) that smoothly coats the vaginal walls;
• At least 20% of epithelial cells are clue cells (eg, vaginal epithelial cells studded with adherent bacteria) on saline wet mount microscopic evaluation of vaginal discharge; or
• pH of vaginal fluid >4.5.
• Patients currently undergoing treatment for or with a history of treatment for cervical, vaginal, or vulvar cancer;
• Patients using any systemic (eg, oral or injectable) corticosteroid treatment during the study or within 30 days prior to Screening;
• Patients using topical steroids applied to the vulvar or vaginal regions during the study or within 7 days prior to Screening;
• Patients using any systemic (eg, oral or injectable) or topical (applied to the vulvar or vaginal regions) antimicrobials including antifungal, antiviral, antibacterial, or anti-trichomonal drugs during the clinical study or within 14 days prior to Screening;
• Patients using any prescription (eg, vaginal estrogen, ospemifene, prasterone) or non-prescription intravaginal or vulvar product (eg, vitamin E gel capsules [vaginal inserts], lubricants, moisturizers, douches, creams, or spermicides) within 7 days prior to Screening and through Day 28 (Visit 5);
• Patients unwilling to refrain from the use of intravaginal products (eg, douches, creams, spermicides, yoni eggs, tampons, menstrual cups, and any other such intravaginal product that, in the opinion of the PI, would be considered exclusionary) during the Treatment Period, inclusive of Day 14;
• Patients with a current immunocompromising condition (ie, HIV, end-stage renal disease);
• Patients using any immunosuppressive medication (included, but not limited to, carbamazepine, cyclosporine, tacrolimus, methotrexate, 6 mercaptopurine, or mycophenolate) or radiation treatment within 3 months prior to Screening or during the clinical study;
• Patients with a history of pelvic radiation treatment;
• Patients with a clinically significant major organ disease, cancer, infection (except acute VVC), or other condition that may affect the clinical assessment of VVC or render the patient a poor study candidate, per the PI's judgment;
• Patients with any comorbid condition that would preclude the safe participation of the patient in the clinical study or would prevent the patient from meeting the clinical study requirements, per the PI's judgment;
• Patients with diabetes mellitus type I, use of insulin (current or anticipated need during the study), or poorly-controlled diabetes mellitus type II, defined as (hemoglobin A1c [(HbA1c]) of 10% or higher result within the prior 6 months) or at Screening;
• Patients with any laboratory abnormality that, in the opinion of the PI, would likely introduce additional risk to the patient or might interfere with data interpretation. The findings noted below are particularly exclusionary:
• Serum alanine aminotransferase ≥2.5 × the upper limit of normal (ULN) of the reference range;
• Serum aspartate aminotransferase ≥2.5 × the ULN of the reference range; or
• Serum total bilirubin ≥2 × the ULN of the reference range, unless the elevation is consistent with Gilbert's syndrome
• Patients with a known history of HIV, hepatitis B, or hepatitis C virus (HCV), or a positive test for HIV antibody, hepatitis B surface antigen, or HCV antibody;

Where it is running

• Alliance for Multispecialty Research - Mobile — Mobile, Alabama, United States
• Applied Research Center of Arkansas Inc. — Little Rock, Arkansas, United States
• Century Research Institute, Inc — Huntington Park, California, United States
• Matrix Clinical Research — Los Angeles, California, United States
• M3 Wake Research - San Diego — San Diego, California, United States
• Integrated Clinical Research LLC — Sherman Oaks, California, United States
• Project 4 Research Inc — Miami, Florida, United States
• Entrust Clinical Research — Miami, Florida, United States
• Felicidad Medical Research, LLC — Miami, Florida, United States
• Better Life Clinical Research, LLC — Tampa, Florida, United States
• Helping Hands Health Center — Tampa, Florida, United States
• One Health Research Clinic Inc. — Johns Creek, Georgia, United States
• Leavitt Clinical Research — Idaho Falls, Idaho, United States
• Clinical Trials Management, LLC - Northshore — Covington, Louisiana, United States
• Praetorian Pharmaceutical Research — Marrero, Louisiana, United States
• Revive Research Institute, Inc. — Dearborn Heights, Michigan, United States
• Cross Creek Medical Clinic, PA — Fayetteville, North Carolina, United States
• Unified Women's Clinical Research - Raleigh — Raleigh, North Carolina, United States
• Unified Women's Clinical Research - Lyndhurst Clinical Research — Winston-Salem, North Carolina, United States
• Complete Health Care for Women — Columbus, Ohio, United States
• Nexgen Research — Lima, Ohio, United States
• Chattanooga Medical Research, Chattanooga — Chattanooga, Tennessee, United States
• Jackson Clinic — Jackson, Tennessee, United States
• TMC Life Research, Inc — Houston, Texas, United States
• SMS Clinical Research, LLC — Mesquite, Texas, United States

Full record on ClinicalTrials.gov

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