Use of Percutaneous Tibial Nerve Stimulation With Solifenacin or Placebo to Treat Refractory Overactive Bladder

B

Bay State Clinical Trials

Status and phase

Terminated
Phase 4

Conditions

Overactive Bladder

Treatments

Other: Placebo
Other: PTNS plus solifenacin

Study type

Interventional

Funder types

Other

Identifiers

NCT01764893
BSU-SOL-001

Details and patient eligibility

About

The null hypothesis for this study is that the combination of solifenacin and Percutaneous Tibial Nerve Stimulation (PTNS) is not different from PTNS alone. However the investigators anticipate a 20% improvement in patients receiving combination therapy as measured by the OAB-q (Overactive Bladder questionnaire) scores.

Enrollment

8 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. 18 years of age or older
  2. history of overactive bladder
  3. history of inadequate response to prior or current treatment with anti- muscarinic medication, or unacceptable side effects from higher dose of anti-muscarinic medication
  4. PTNS-naive
  5. willing to discontinue the use of anti-muscarinic agents for 2 weeks before start of study medication ("washing out")
  6. able to swallow and retain oral medication
  7. able and willing to participate in the full duration of the study
  8. able to read and write (health outcomes questionnaires are self-administered)and understand instructions related to study procedures and give written informed consent
  9. OAB-q (items 1-8) score of 30 or higher

Exclusion criteria

  1. presence of cardiac pacemaker and/or defibrillator
  2. history of urinary retention
  3. history of gastric retention
  4. uncontrolled narrow angle glaucoma
  5. any unstable, serious co-existing medical condition(s) including, but not limited to, myocardial infarction,coronary bypass surgery, unstable angina, cardiac arrhythmias, clinically evident congestive heart failure, or cerebrovascular accident within 3 months prior to Screening visit
  6. abnormal liver function test (greater than 3 times the upper limit of normal for alanine aminotransferase [ALT], aspartate aminotransferase [AST], or alkaline phosphatase [ALP]); or bilirubin > 3 times the upper limit of normal
  7. history of any illness (including psychiatric) that, in the opinion of the investigator, might confound the results of the study or pose additional risk to the subject
  8. known hypersensitivity to solifenacin
  9. participation in any investigational or marketed drug trial within the 30 days prior to the first dose of study drug or any time during the study period
  10. pregnancy or trying to become pregnant
  11. breast-feeding

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

8 participants in 2 patient groups, including a placebo group

PTNS and solifenacin
Active Comparator group
Description:
PTNS bladder neuromodulation weekly for 12 treatments; solifenacin 5 mg capsule daily for 15 weeks
Treatment:
Other: PTNS plus solifenacin
PTNS and placebo
Placebo Comparator group
Description:
PTNS bladder neuromodulation weekly for 12 treatments; placebo 1 capsule daily for 15 weeks
Treatment:
Other: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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