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Venlafaxine Combined With Education and Behavioral Intervention for Bladder Pain Syndrome (VEN-BPS)
A Multicenter, Open-label, Observer-blinded Randomized Controlled Trial Comparing the Efficacy and Safety of Venlafaxine Plus Education and Behavioral Modification Program Versus Education and Behavioral Modification Program Alone in Adults With Interstitial Cystitis/Bladder Pain Syndrome
Studie Overzicht
Toestand
Studietype
Inschrijving (Geschat)
Fase
- Fase 1
Contacten en locaties
Studiecontact
- Naam: Fang Luo FL, doctor
- Telefoonnummer: +8615560392365
- E-mail: Litypacop@163.com
Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Beschrijving
Inclusion Criteria:
Age ≥ 18 years (all genders) Confirmed IC/BPS diagnosis fulfilling AUA 2015 and ESSIC standardized diagnostic criteria, ruled out confounding urologic disorders Predominant lower urinary tract symptoms present for most days in the past 3 months Baseline bladder/pelvic pain and urinary frequency score ≥ 3 points on 0-10 Likert scale within prior 4 weeks
Exclusion Criteria:
Symptomatic urethral stricture Active degenerative/inflammatory neurological disease altering bladder/intestinal function Uncontrolled active autoimmune disease or systemic infection Medical history of pelvic tuberculosis, pelvic radiotherapy or chemotherapy-induced cystitis History of non-cutaneous malignant tumors Current diagnosis of severe psychiatric disorders (major depressive disorder, bipolar disorder, schizophrenia, psychotic disorders) Clinically significant moderate-severe cardiac, pulmonary, hepatic or renal insufficiency Documented hypersensitivity to venlafaxine or other SNRI drugs Concurrent regular use of antibiotics or NSAIDs throughout trial period Pregnancy or breastfeeding state at screening
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
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Ander: Arm 1 Control Arm (n=70)
Intervention Name: Education and Behavioral Modification Program (EBMP) Only Intervention Description: Standardized 12-week behavioral intervention including IC/BPS disease education, bladder irritant dietary restriction guidance, timed bladder training, pelvic floor relaxation training, stress and sleep adjustment guidance.
No additional oral antidepressants, analgesics or NSAIDs permitted throughout trial.
Weekly telephone follow-up for adherence monitoring.
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12-week standardized behavioral intervention without additional oral drugs, including IC/BPS disease education, bladder irritant dietary restriction, timed bladder training, pelvic floor relaxation training and sleep/stress adjustment guidance.
Weekly telephone follow-up to monitor adherence; no antidepressants or analgesics permitted throughout the study period.
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Experimenteel: Arm 2 Experimental Arm (n=70)
Intervention Name: Venlafaxine + Education and Behavioral Modification Program (EBMP) Intervention Description: Full identical EBMP intervention as control group, plus flexible-dose oral venlafaxine for 12 weeks.
Week 1 starting dose: 75mg once daily evening administration; Week3 escalate to 150mg daily if well-tolerated; Week5 maximum titration up to 225mg daily based on individual tolerance and symptom improvement.
Dose down-titration allowed for intolerable adverse events to identify individual maximum tolerated dose (MTD), maintained until week12 endpoint.
No rescue analgesic, NSAID or other antidepressant allowed during study period.
Weekly telephone follow-up to record drug compliance and adverse reactions.
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Oral venlafaxine with flexible dose titration for 12 weeks plus standardized EBMP.
Initial dose 75mg once daily in week 1, escalate to 150mg daily at week 3, maximum up to 225mg daily based on tolerance and symptom improvement.
All participants receive identical disease education, bladder training, dietary guidance and psychological stress management training weekly.
No other antidepressants, NSAIDs or rescue analgesics are allowed during the trial.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Patient Self-reported Global Response Assessment (GRA)
Tijdsspanne: 12 weeks after randomization
|
Binary clinical response endpoint, defined as significant overall improvement in bladder pain and urinary symptoms versus minimal/no improvement, completed by participants at the 12-week treatment endpoint.
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12 weeks after randomization
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Mean Visual Analog Scale (VAS) Bladder Pain Score
Tijdsspanne: Baseline, Week 1, Week2, Week6, Week12
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0-10 Likert scale; higher scores represent more severe bladder/pelvic discomfort.
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Baseline, Week 1, Week2, Week6, Week12
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Pelvic Pain and Urgency/Frequency (PUF) Total Score
Tijdsspanne: Baseline, Week 1, Week2, Week6, Week12
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8-item scale total score ranging 0-40; higher scores indicate worse pelvic pain and lower urinary tract symptoms.
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Baseline, Week 1, Week2, Week6, Week12
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O'Leary-Sant ICSI + ICPI Composite Symptom Score
Tijdsspanne: Baseline, Week 1, Week2, Week6, Week12
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ICSI (0-20) evaluates frequency, nocturia, urgency and pain; ICPI (0-16) measures symptom-related life interference.
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Baseline, Week 1, Week2, Week6, Week12
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Medewerkers en onderzoekers
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
- Urogenitale ziekten
- Mannelijke urogenitale ziekten
- Urologische ziekten
- Vrouwelijke urogenitale ziekten
- Vrouwelijke urogenitale ziekten en zwangerschapscomplicaties
- Ziekten van de urineblaas
- Cystitis
- Cystitis, interstitieel
- Sociaaleconomische factoren
- Bevolkingskenmerken
- Demografie
- Familiekarakteristieken
- Burgerlijke staat
- Educatieve status
- Enkele persoon
Andere studie-ID-nummers
- 2026YJSKTPG
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Beschrijving IPD-plan
Informatie over medicijnen en apparaten, studiedocumenten
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