Efficacy and Tolerability of DITROPAN® XL (Oxybutynin Chloride) Versus DETROL® LA (Tolterodine Tartrate) in Treatment of Overactive Bladder

2014-08-27 03:46:03 | BioPortfolio


The purpose of this study is to compare the efficacy of DITROPAN® XL (oxybutynin chloride) Extended-Release Tablets and DETROL® LA (tolterodine tartrate extended-release capsules) in the reduction of urge urinary incontinence episodes during a 12-week treatment period in patients with overactive bladder. The secondary objective is to compare the tolerability of DITROPAN® XL (oxybutynin chloride) and DETROL® LA (tolterodine tartrate) during a 12-week treatment period.


The objective of this study is to compare the efficacy and tolerability of DITROPAN® XL 10 mg once-daily and DETROL® LA 4 mg once-daily in the reduction of urge urinary incontinence episodes in female patients with overactive bladder. This is a multicenter, randomized, double-blind, parallel-group study with two active treatments. Screened patients are qualified for the study based on information obtained from seven consecutive 24-hour urinary diaries completed during the Baseline Week, and other eligibility criteria. Qualifying patients receive 12 weeks of treatment with DITROPAN® XL or DETROL® LA, with clinical visits at the end of Weeks 2, 4, 8, and 12. Safety evaluations during the study include the collection of adverse events, laboratory tests including blood chemistry and urinalysis, physical examinations, vital signs (blood pressure and heart rate) and post-void residual urine volume.

Over-encapsulated DITROPAN® XL, 10 mg tablets once-daily by mouth or over-encapsulated DETROL® LA, 4 mg capsules once daily by mouth. The treatment phase of the study runs for 12 weeks.

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment


Urinary Incontinence


oxybutynin chloride




Alza Corporation, DE, USA

Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:46:03-0400

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