Clinical Performance of a Vaginal Pessary (pHyph) in Bacterial Vaginosis

Inclusion Criteria: Adult, post-menarchal, pre-menopausal women aged 18 years or older * Diagnosis of BV according to Amsel's criteria, defined as having at least 3 of the 4 following criteria: 1. Thin, white, yellow, homogenous discharge 2. Clue cells on microscopy (more than 20 percent of epithelial cells) 3. pH of vaginal fluid above 4.5 4. Release of fishy odor "i.e. a positive whiff test" when alkali (10% potassium hydroxide \[KOH\] solution) is added * Having decisional capacity and providing written informed consent * Negative urine pregnancy test at screening * Refrain from using any intravaginal products (i.e., contraceptive creams, gels, foams, sponges, lubricants, or tampons, etc.) during the study period * Refrain from sexual intercourse or use a condom until Day 7 * Signed informed consent and willing and able to comply with all study requirements Exclusion Criteria: Patients with known or apparent signs of other infectious causes of BV (vulvovaginal candidiasis, Trichomonas vaginalis, Neisseria gonorrhoeae, Chlamydia trachomatis, Herpes simplex, or human papillomavirus) at screening * Anticipated menstruation during the treatment period (Day 0 till Day 7) * Patients who are pregnant or breastfeeding * Patients who were treated for BV within the past 14 days * Patients who are currently receiving antibiotic therapy unrelated to BV or have received antibiotic therapy within the past 14 days * Patients who have used pH-modifying vaginal products within the last 14 days * Patients who have received an investigational drug in a clinical investigation within 30 days prior to screening * Known/previous allergy or hypersensitivity to any product constituent * Any medical condition that in the Investigator's judgments would make the patient unsuitable for inclusion