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Low-Energy Shock Wave Therapy for Overactive Bladder in Women With Metabolic Syndrome

30. april 2026 oppdatert av: KMUHIRB-F(I)-20230051

A Randomized, Double-Blind, Sham-Controlled Trial of Low-Energy Extracorporeal Shock Wave Therapy for Overactive Bladder in Women With Metabolic Syndrome

Overactive bladder (OAB) is a common condition that causes urinary urgency, frequent urination, and nocturia, which can significantly affect quality of life. Women with metabolic syndrome may have a higher risk of OAB due to vascular and metabolic abnormalities.

This study aims to evaluate the effectiveness and safety of low-energy extracorporeal shock wave therapy (LiESWT), a non-invasive treatment, in women with metabolic syndrome-associated OAB. Participants will be randomly assigned to receive either active LiESWT treatment or a sham (inactive) procedure.

Symptoms and treatment outcomes will be assessed using validated questionnaires, including the Overactive Bladder Symptom Score (OABSS), International Consultation on Incontinence Questionnaire (ICIQ-SF), Urinary Distress Inventory (UDI-6), and Incontinence Impact Questionnaire (IIQ-7), as well as a voiding diary and uroflow measurements.

The results of this study may help determine whether LiESWT is an effective treatment option for improving OAB symptoms in this patient population.

Studieoversikt

Status

Rekruttering

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

Overactive bladder (OAB) is a prevalent urological condition characterized by urinary urgency, frequency, and nocturia, which significantly impairs quality of life. Emerging evidence suggests a strong association between OAB and metabolic syndrome, which is characterized by insulin resistance, hypertension, dyslipidemia, and central obesity. These metabolic abnormalities may contribute to endothelial dysfunction, chronic inflammation, and autonomic dysregulation, potentially affecting bladder function.

Low-energy extracorporeal shock wave therapy (LiESWT) is a novel, non-invasive therapeutic modality that has been shown to promote angiogenesis, improve tissue perfusion, and modulate inflammatory responses. Previous studies have demonstrated its potential benefits in various urological conditions.

This study is designed as a randomized, double-blind, sham-controlled trial to evaluate the efficacy and safety of LiESWT in women with metabolic syndrome-associated OAB. Participants are randomly assigned to receive either LiESWT treatment or a sham procedure.

Clinical outcomes are assessed using validated patient-reported outcome measures, including OABSS, ICIQ-SF, UDI-6, and IIQ-7, along with objective parameters such as uroflowmetry and post-void residual volume. Assessments are performed at baseline and at multiple follow-up time points after treatment.

This study aims to provide clinical evidence on the therapeutic role of LiESWT in improving symptoms and quality of life in this specific patient population.

Studietype

Intervensjonell

Registrering (Antatt)

60

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studer Kontakt Backup

Studiesteder

  • Taiwan
    • Taiwan
      • Kaohsiung, Taiwan, Taiwan, 807
        • Rekruttering
        • Kaohsiung Medical University
        • Ta kontakt med:
        • Ta kontakt med:
        • Underetterforsker:
          • Jiun-Hung Geng, MD

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion:

  • Female participants aged 20 to 75 years
  • Diagnosed with overactive bladder (OAB), defined as urinary frequency (≥8 times/day), nocturia (≥2 times/night), and urgency (≥2 episodes/week) for at least 3 months
  • Diagnosed with metabolic syndrome, defined by the presence of at least three of the following criteria:
  • Waist circumference ≥80 cm
  • Blood pressure ≥130/85 mmHg or receiving antihypertensive treatment
  • Fasting glucose ≥100 mg/dL or receiving treatment for diabetes
  • Triglycerides ≥150 mg/dL or receiving lipid-lowering treatment
  • High-density lipoprotein cholesterol <50 mg/dL
  • No pharmacological or injection treatment for OAB within 3 months prior to enrollment
  • Able to understand and comply with study procedures and questionnaires
  • Willing to provide informed consent

Exclusion:

  • History of kidney stones or bladder stones
  • Urinary tract infection within 3 months prior to enrollment or recurrent urinary tract infections (≥3 episodes)
  • Lower urinary tract surgery within 6 months prior to enrollment
  • Known or suspected malignancy of the urinary tract
  • Significant bladder outlet obstruction
  • Severe coagulopathy, liver failure, or renal failure
  • Prior pelvic malignancy or pelvic radiation therapy
  • Intravesical injection or electrical stimulation therapy within the past year
  • Substance abuse (drug or alcohol) within the past year
  • Chronic pelvic pain due to other causes
  • Inability to complete study questionnaires or procedures

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Dobbelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: LiESWT Group
Participants receive low-energy extracorporeal shock wave therapy (LiESWT) applied to the bladder region.
Enhet: Low-Energy Extracorporeal Shock Wave Therapy (LiESWT)
LiESWT is delivered using a focused shock wave device at an energy flux density of 0.25 mJ/mm², frequency of 3 Hz, and 3,000 pulses per session.
Sham-komparator: Sham Control Group
Participants receive a sham procedure that mimics LiESWT without delivering therapeutic energy.
Enhet: Sham Shock Wave Therapy
The device is applied in the same manner as the active treatment but does not emit therapeutic shock wave energy.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in Overactive Bladder Symptom Score (OABSS)
Tidsramme: Baseline to 24 weeks
The Overactive Bladder Symptom Score (OABSS; range 0-15, with higher scores indicating more severe symptoms) will be used. The primary outcome is the change in OABSS from baseline to 4, 8, 12, 16, 20, 24 weeks after treatment. Lower scores indicate improvement in symptoms.
Baseline to 24 weeks

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in International Consultation on Incontinence Questionnaire-Short Form (ICIQ-SF)
Tidsramme: Baseline to 24 weeks
The International Consultation on Incontinence Questionnaire-Short Form (ICIQ-SF; range 0-21, higher scores indicate worse symptoms).
Baseline to 24 weeks
Change in Urinary Distress Inventory (UDI-6)
Tidsramme: Baseline to 24 weeks
The Urinary Distress Inventory-6 (UDI-6; range 0-100, higher scores indicate greater symptom distress).
Baseline to 24 weeks
Change in maximum urinary flow rate measured by uroflowmetry (Qmax)
Tidsramme: Baseline to 24 weeks
Maximum urinary flow rate (Qmax, mL/s) will be assessed using standard uroflowmetry. Higher values indicate improved urinary flow function.
Baseline to 24 weeks
Change in post-void residual volume measured by bladder ultrasound (PVR)
Tidsramme: Baseline to 24 weeks
Post-void residual (PVR, mL) will be measured using bladder ultrasound immediately after voiding. Lower values indicate improved bladder emptying.
Baseline to 24 weeks
Change in voided volume per micturition assessed by 3-day voiding diary
Tidsramme: Baseline to 24 weeks
Voided volume (mL) will be calculated from a 3-day voiding diary. Higher values indicate improved bladder capacity.
Baseline to 24 weeks
Change in total daily urine volume assessed by 3-day voiding diary
Tidsramme: Baseline to 24 weeks
Total urine volume (mL/day) will be calculated from a 3-day voiding diary.
Baseline to 24 weeks
change in Incontinence Impact Questionnaire short version (IIQ-7)
Tidsramme: Baseline to 24 weeks
The IIQ-7 uses a 0-3 scale to measure how urinary incontinence impacts household chores, physical recreation, entertainment, travel, social activities, emotional health, and feelings of frustration to determine an overall quality-of-life score.
Baseline to 24 weeks

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Incidence of treatment-related adverse events
Tidsramme: Baseline to 24 weeks
Adverse events will be recorded throughout the study period and classified according to severity and relationship to treatment.
Baseline to 24 weeks

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

KMUHIRB-F(I)-20230051

Etterforskere

  • Hovedetterforsker: Yung-Chin Lee, MD,PHD, Kaohsiung Medical University

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

10. februar 2025

Primær fullføring (Antatt)

30. juni 2026

Studiet fullført (Antatt)

30. juni 2026

Datoer for studieregistrering

Først innsendt

23. april 2026

Først innsendt som oppfylte QC-kriteriene

30. april 2026

Først lagt ut (Faktiske)

4. mai 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

4. mai 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

30. april 2026

Sist bekreftet

1. april 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • KMUHIRB-F(I)-20230051
  • KMUH-LiESWT-OAB-2023 (Annen identifikator: Kaohsiung Medical University Hospital)

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

IPD-planbeskrivelse

Data available upon reasonable request

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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