Treatment of urgency and urge incontinence with flavoxate in the People's Republic of China.
1987
Abstract Flavoxate is a smooth muscle relaxant widely used to treat urgency and urge incontinence. It has been used in an unblinded, uncontrolled clinical trial in 14 urology departments in universities and major hospitals in the People's Republic of China involving 361 patients with urgency/incontinence of various types. Patients were given 200 mg three times daily, orally, for 2 weeks, although 33 patients received a daily dosage of 1200 mg. Frequency, urgency, dysuria, nocturia and incontinence were assessed and scored clinically prior to and after treatment. Three departments also included urodynamic investigations, e.g. monitoring of the end-residual volume. Results from 336 evaluable patients indicate that 228 (67%) were completely cured of urgency/incontinence symptoms, 66 (20%) were improved and 42 (13%) patients were unchanged. Flavoxate was also effective in 77.4% of patients refractory to previous anti-cholinergic treatment. Treatment did not increase the end-residual volume and adverse events occurred only in four (1.3%) patients, two (0.6%) of which discontinued the therapy. The 1200 mg dose produced a complete cure in 82% of patients and improvement in the remaining 18%, with no side-effects. In conclusion, flavoxate is an effective and well tolerated treatment for urgency/incontinence of various causes.
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