Bladder Instillations Versus Onabotulinumtoxin A for Treatment of Interstitial Cystitis/Bladder Pain Syndrome

NCT ID: NCT04401176

Last Updated: 2023-10-12

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

58 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-09-15

Study Completion Date

2023-06-01

Brief Summary

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Recognition of interstitial cystitis (IC)/bladder pain syndrome (BPS) is increasing. There is a dire need to develop effective treatment options for these patients as it manifests as more than a physical disease, affecting general and psychological health as well. Existing trials comparing varying bladder instillation formulations have not identified an optimal bladder instillation therapy, however existing studies support combined heparin and alkalinized lidocaine bladder instillation as an affordable and effective treatment for IC/BPS. Additionally, intradetrusor onabotulinumtoxinA injection has been well established for the treatment of overactive bladder (OAB), a constellation of symptoms similar to that of IC/BPS. OnabotulinumtoxinA has now come into the forefront for treatment of OAB due to its efficacy, safety profile, and absence of cognitive effects related to the previous mainstay anticholinergic treatment. While both bladder instillation and onabotulinumtoxinA therapy have been shown to be effective for treatment of IC/BPS, a direct comparison of these treatments has not been performed. We therefore designed a randomized controlled trial to compare the efficacy of heparin with alkalized local anesthetic bladder instillation versus intradetrusor onabotulinumtoxinA injection in treating IC/BPS symptoms.

Detailed Description

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Conditions

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Interstitial Cystitis Bladder Pain Syndrome

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Heparin & Alkalinized Lidocaine Bladder Instillation

Six weekly bladder instillations, each instillation consisting of 40,000 IU Heparin, 200mg lidocaine, 2ml 8.4% sodium bicarbonate, sterile water for a total volume 50 milliliters (mL).

Group Type ACTIVE_COMPARATOR

Heparin & Alkalinized Lidocaine Bladder Instillation

Intervention Type DRUG

Bladder instillation instilled via catheter and to dwell for minimum of 30 minutes prior to spontaneous void

Intradetrusor Onabotulinumtoxin A Injection

100 units onabotulinumtoxinA reconstituted in 10mL of injectable saline, injected in 20 sites with 0.5mL per injection along the posterior wall of the bladder above the trigone.

Group Type ACTIVE_COMPARATOR

Onabotulinum Toxin A

Intervention Type DRUG

Intradetrusor onabotulinumtoxinA injection (0.5mL x 20 sites)

Interventions

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Heparin & Alkalinized Lidocaine Bladder Instillation

Bladder instillation instilled via catheter and to dwell for minimum of 30 minutes prior to spontaneous void

Intervention Type DRUG

Onabotulinum Toxin A

Intradetrusor onabotulinumtoxinA injection (0.5mL x 20 sites)

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Females ≥ 18 years of age
* O'Leary-Sant questionnaire score ≥ 6
* Ability to follow study instructions and complete all required follow-up

Exclusion Criteria

* Contraindications and/or allergies to medications used
* Known alternative diagnosis explaining bladder pain symptoms
* Bladder instillation within the past 3 months
* Intradetrusor onabotulinumtoxinA injection within the past 6 months
* Use of ≥ 400 units of onabotulinumtoxinA in the last 3 months
* Inability or unwillingness to self-catheterize
* Post-void residual \> 200mL
* Concurrent procedural treatment (including hydrodistension, sacral neuromodulation)
* Current use of vaginal pessary/devices
* Untreated symptomatic prolapse \> pelvic organ prolapse quantification system (POP-Q) stage 2
* Females who are pregnant or planning a pregnancy during the study or who think that they may be pregnant at the start of the study and who are unwilling or unable to use a reliable form of contraception during the study
* Inability to speak/read English
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Walter Reed National Military Medical Center

FED

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Walter Reed National Military Medical Center

Bethesda, Maryland, United States

Site Status

Countries

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United States

References

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Provided Documents

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Document Type: Informed Consent Form

View Document

Related Links

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https://www.auanet.org/guidelines/interstitial-cystitis-(ic/bps)-guideline

American Urological Association Interstitial Cystitis Guidelines

Other Identifiers

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EKW_01-2020

Identifier Type: -

Identifier Source: org_study_id

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