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Efficacy of combined therapy of mirabegron and vaginal estrogen in overactive bladder

Evaluation of the Combined Efficacy of Mirabegron and Vaginal Estrogen in Treating Overactive Bladder in Postmenopausal Women in randomized clinical trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20230629058615N14
Enrollment
50
Registered
2026-01-15
Start date
2026-03-05
Completion date
Unknown
Last updated
2026-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

?Overactive bladder in menopausal women?. Overactive bladder

Interventions

Intervention 1: ?Intervention group: The intervention group received 50 mg extended-release mirabegron tablets manufactured by Teb Mofid Nikan Pharmaceutical Company (Mirabegral) daily, along with vag

Sponsors

Iran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: ?Menopause and at least 12 months since the last menstruation? ?Urgency to urinate? ?Frequent urination? ?Nocturia? ?Urgency urinary incontinence? ?Presence of overactive bladder symptoms for at least 3 months prior to study entry? ?At least 8 urinations in 24 hours? ?Presence of at least one episode of urgency incontinence in 24 hours? ?Ability to follow and continue treatment for 8 weeks? ?Providing written informed consent to participate in the study?

Exclusion criteria

Exclusion criteria: Unwillingness to use the medications under investigation in this study Concurrent use of medications known to have drug–drug interactions with the study medications. Simultaneous participation in other clinical trials or research studies. Failure or refusal to provide written informed consent for study participation or treatment follow-up.

Design outcomes

Primary

MeasureTime frame
Quality of life assessment. Timepoint: Standard questionnaires (e.g., OAB-q) At baseline, 4 weeks after the start of the study, and 8 weeks after the start of the study. Method of measurement: Standard questionnaires OAB-q.

Secondary

MeasureTime frame
Severity of daytime urinary frequency. Timepoint: At baseline, 4 weeks after the start of the study, and 8 weeks after the start of the study. Method of measurement: OAB-V8 questionnaire.;Severity of discomfort associated with urinary urgency. Timepoint: At baseline, 4 weeks after the start of the study, and 8 weeks after the start of the study. Method of measurement: OAB-V8 questionnaire.;Severity of sudden onset urinary urgency without prior warning. Timepoint: At baseline, 4 weeks after the start of the study, and 8 weeks after the start of the study. Method of measurement: OAB-V8 questionnaire.;Severity of mild urinary incontinence (small-volume urine leakage). Timepoint: At baseline, 4 weeks after the start of the study, and 8 weeks after the start of the study. Method of measurement: OAB-V8 questionnaire.;Severity of nocturnal urinary frequency. Timepoint: At baseline, 4 weeks after the start of the study, and 8 weeks after the start of the study. Method of measurement: OAB-V8 questionnaire.;Severity of nocturnal awakening due to the need to urinate (nocturia). Timepoint: At baseline, 4 weeks after the start of the study, and 8 weeks after the start of the study. Method of measurement: OAB-V8 questionnaire.;Severity of uncontrollable urinary urgency. Timepoint: At baseline, 4 weeks after the start of the study, and 8 weeks after the start of the study. Method of measurement: OAB-V8 questionnaire.;Severity of urinary incontinence associated with severe urgency (urge incontinence). Timepoint: At baseline, 4 weeks after the start of the study, and 8 weeks after the start of the study. Method of measurement: OAB-V8 questionnaire.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAmir Rezazadeh

Iran University of Medical Sciences

rezazadeh.am@iums.ac.ir+98 21 6044 8161

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 7, 2026