adverse events, adverse drug reactions caused by antimuscarinics and premature treatment termination.
RESULTSAt 16 study centres, 621 children aged 5-14 years with UI due to overactive bladder were enrolled. After anticholinergic treatment (437 propiverine, 184 oxybutynin) continence was achieved in 61.6% and 58.7% of the patients after 186 and 259 days, respectively. There were clinically relevant improvements in voiding frequency across treatment groups. Daily doses of propiverine were markedly below the recommendations (0.54 vs 0.8 mg/kg body weight), daily doses of oxybutynin were according to the recommendations (0.31 vs 0.2-0.4 mg/kg body weight) at treatment initiation. There was a significantly more favourable tolerability to propiverine than oxybutynin for the overall rate of adverse events (3.9% vs 16.3%, odds ratio 4.813), adverse drug reactions caused by propiverine or oxybutynin (2.8% vs 9.2%) and premature treatment termination due to adverse drug reactions (1.6% vs 4.4%).
CONCLUSIONPropiverine and oxybutynin are effective in children with UI due to overactive bladder. Sufficient treatment periods of at least 2, preferably 3-4, months are the crucial factors for a successful treatment. The tolerability profile of propiverine is better than for oxybutynin.
KEYWORDSanticholinergics, children, overactive bladder, oxybutynin, propiverine, urinary incontinence Study Type -Therapy (observational cohort) Level of Evidence 2b
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