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A randomized, double-blind, placebo-controlled, parallel-group, multi-centre, Phase IIb, study to determine the effect of BXL628 in women with detrusor overactivity - BXL628 effect in OAB

Conditions
Overactive Bladder (OAB)
MedDRA version: 9.1Level: LLTClassification code 10020853Term: Hypertonic bladder
Registration Number
EUCTR2007-001214-16-IT
Lead Sponsor
BIOXELL SPA
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
Female
Target Recruitment
234
Inclusion Criteria

-Women aged 18-75 years

-Patients must have had symptoms of overactive bladder (OAB) for at least 6 months

-Patients must exhibit all of the following symptoms during the three-day diary collecting period prior to start of treatment: frequency at least 8 times per 24 h, urgency at least once per 24 h with or without one episode of urge incontinence in 24h.

-Urodynamically confirmed detrusor overactivity. A urodynamic evaluation dated within 6 months before the enrolment can be considered valid

-Patients on anticholinergic /antispasmodic drugs for the treatment of OAB must discontinue this treatment at visit 1 (at least 14 days prior to visit 2).

-Women of childbearing potential should use two well established contraceptive methods (e.g. contraceptive pill and condom, IUD and condom) or abstain from sexual intercourse

-Patients must be capable of independent toileting

-Ability to fully understand all study procedures and to provide written informed consent to study participation

-Ability to comply with dosing and study visits scheduled for the duration of 1 month
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

-Patients with predominant stress incontinence

-Patients with well established neurological disorder (e.g. Multiple Sclerosis, Parkinson?s disease, Alzheimer disease)

-Patients with pelvic organ prolapse staged III or IV (ICS classification)

-Patients who have undergone urogenital surgery such as hysterectomy less than 6 months prior to visit 1

-Painful bladder syndrome

-Patients with clinically significant bladder outlet obstruction and/or patients with a post void residual volume (PVR) ultrasound result, greater than 100 ml

-Patients with total daily volume greater than 2.8 l of voided urine

-History of acute urinary retention or history of repeated catheterizations due to acute urinary retention within the 3 months prior to visit 1

-Patients who intend to start a bladder training programme while in the study

-Patients with an indwelling catheter and patients practising intermittent self-catheterisation

-Patients who have undergone bladder biopsy or any other minor pelvic surgical intervention less than 30 days prior to visit 1

-Bladder cancer

-Patients with acute or recurrent urinary tract infection (UTI) and/or unexplained haematuria

-Stone in the bladder or urethra and upper tract stone disease causing symptoms

-Evidence of renal insufficiency (creatinine > 1.5 x upper limit of normal)

-Evidence of hepatic disease (total bilirubin > 1.5 x upper limit of normal, or AST or ALT or alkaline phosphatase > 2 x upper limit of normal)

-Patients with other clinically significant systemic diseases that may interfere with participation in this study

-Patients who are abusers of alcohol and/or other drugs

-History of disturbed calcium, phosphorus or magnesium metabolism

-Patients with allergy, hypersensitivity or other medical contraindications to Vitamin D

-Patients taking any of the following at any time during the study: Anticholinergic /antispasmodic drugs for the treatment of OAB; Calcitriol and other vitamin D analogs; Cholestiramine and other bile acid-binding resins; Cardiac glycosides; Drugs containing magnesium; Anticonvulsants; Estrogen treatment (unless started more than 2 months before randomization; estrogen containing oral contraceptives are allowed)

-Patients who have received any investigational drug during the preceding 90 days or 5 times the plasma half-life (if known), whichever is longer, or who have previously participated in this trial

-Patients unable and/or unlikely to comprehend and follow the study procedures and instructions

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Main Objective: To evaluate the effect of BXL628 on the bladder volume at the first involuntary contraction following 4 weeks of treatment;Secondary Objective: To determine the effect of BXL628 on:<br><br>-Symptom severity measured by a three-day micturition diary<br><br>-Urodynamics: uroflowmetry and cystometry parameters (according to urodynamic procedures recommendation)<br><br>-Patient?s perception of bladder condition<br><br>-Safety and tolerability;Primary end point(s): Change from baseline in the bladder volume at the first involuntary contraction following 4 weeks of treatment.
Secondary Outcome Measures
NameTimeMethod
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