Early Oxybutinin Treatment for Boys With Posterior Urethral Valves
Prospective Randomized Clinical Trial of Early Oxybutinin Treatment for Boys With Posterior Urethral Valves
University Hospital, Bordeaux
50 participants
Sep 10, 2020
INTERVENTIONAL
Conditions
Summary
Boys with posterior urethral valves have bladder dysfunction of varying severity. Early treatment of these children with anticholinergics is recommended by some teams, although there have never been any clear studies on the subject. To our knowledge, no comparative study of the evolution of valve bladders with or without treatment has been carried out to date. Anticholinergic treatment, although it may be beneficial in patients with abnormal bladder function, such as the neurologic bladders ( in Spina Bifida) for example, may have side effects and may not be of benefit for this valve population. The evolution of the valves could be spontaneously favorable. This study would be the first randomized clinical trial of early therapeutic drug intervention in the posterior urethral valve population.
Eligibility
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Interventions
The Investigational Medicinal Product of this study is Oxybutynin 1 mg/ml Syrup (see Annex 1 for the Monograph of PMS-Oxybutynin provided by ANSM under the ATU.). It will be administered at the dose of 0.1 mg/kg/twice a day to patients randomized to the study treatment group. The dose will be adapted to the child's weight to the nearest kilogram. The recommended dosage for older children with neurologic bladder is 0.3 to 0.4mg/kg/day, whilst the dosage we will be using is effectively 0.2mg/kg/day. This is because we are taking into account the absence or pharmacological studies of oxybutynin use in children \<1 year of age, as well as their specific liver metabolism. Furthermore, the dose of 0.1mg/kg twice daily is the dose used in children within the same age group in the study by Casey et al, 2012
Locations(1)
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NCT04526353