Simpler estrogen application matches vaginal therapy for recurrent UTI prevention

Clinical takeaway: For postmenopausal patients with recurrent urinary tract infections who are using topical vaginal estrogen, periurethral application of estradiol cream appears to be an effective alternative to intravaginal application. Offering patients a choice of application technique may improve comfort and adherence without compromising efficacy.

Recurrent urinary tract infections (UTIs) are common after menopause, and topical vaginal estrogen is recommended to help reduce recurrence. However, some patients find intravaginal application uncomfortable or difficult, which may affect adherence. A randomized trial suggests a simpler periurethral application technique may work just as well.

The single-center TAPER trial randomized 114 postmenopausal participants with laboratory-confirmed recurrent UTIs to receive estradiol cream twice weekly either by intravaginal applicator (1 g) or by periurethral digital application (0.5 g). Participants had experienced a median of three UTIs in the previous year.

At six months, 50.9% of participants using periurethral application and 52.6% using intravaginal application remained UTI-free, meeting the prespecified criterion for noninferiority. Both groups also experienced similar reductions in vaginal pH, consistent with a local estrogen effect.

Patient-reported outcomes, urinary symptoms, sexual function, and time to first UTI were similar between groups. The main difference was tolerability: vaginal itching occurred more often with intravaginal application than with periurethral application (24.0% vs 2.4%). Other adverse effects did not differ between groups.

By showing that a simpler periurethral application is as effective as intravaginal administration, the study gives clinicians greater flexibility to tailor treatment to patient preference, comfort, and physical limitations. These factors may improve long-term adherence to a proven strategy for preventing recurrent UTIs.

Source: Zuo SW, et al. (2026 Jul 27) Obstet Gynecol. Vaginal estrogen application techniques for prevention of urinary tract infection