Effect of oral sodium bicarbonate therapy on renal tubular acidosis in epilepsy patients taking topiramate.
Children on topiramate are at a risk of renal tubular acidosis and subsequent development of renal stones. Sodium bicarbonate has been shown to reduce renal tubular acidosis in other populations. To date, no data exist on the efficacy of correction of renal tubular acidosis in pediatric patients on topiramate. We are proposing to investigate the efficacy of 4 weeks of oral sodium bicarbonate therapy to reduce tubular acidosis in patients on topiramate.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
40
Sodium bicarbonate. See arms.
McMaster Children's Hospital
Hamilton, Ontario, Canada
Changes in measured urine parameters
Spot urine sample will be tested for calcium, creatinine and citrate
Time frame: Baseline, then at 4 weeks
Changes in measured blood parameters.
sodium, potassium, chloride, calcium, magnesium, phosphate, bicarbonate, alkaline phosphatase, urea, creatinine, venous blood gas
Time frame: Baseline, then at 4 weeks
Changes in frequency of seizures.
Changes in seizure entries in seizure diary
Time frame: Baseline, then at 4 weeks
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