Intranasal Ketamine In the Treatment of Pediatric Bipolar Disorder

Separate dosing regimens will be applied depending on the weight of the child. Group A with minimum-maximum weight of 20 kg-40 kg will receive a fixed initial dose of 10 mg ketamine(0.25-0.5mg/kg)and will not exceed a maximum dose of 40 mg ketamine. Group B with minimum - maximum weight of 40.01kg-100kg will get a fixed initial dose of 20 mg ketamine(0.20-0.5mg/kg) and will not exceed a maximum dose of 120mg. ketamine. There will be 4 administrations of the drug at three day intervals. Titration upward will depend upon degree of side effects, improvement from baseline on primary measures, subjective opinion. Doses will be held constant as long as a therapuetic response, as measure of 80% improvement on YBOCS and YMRS, is reached.

Separate dosing regimens will be applied depending on the weight of the child. Group A with minimum-maximum weight of 20 kg-40 kg will receive a fixed initial dose of 0.1cc placebo and not exceed a maximum dose of 0.4cc placebo. Group B with minimum - maximum weight of 40.01kg-100kg will get a fixed initial dose of 0.2cc placebo and will not exceed a maximum dose of 1.2cc. placebo. There will be 4 administrations of the placebo at three day intervals. Titration upward will depend upon degree of side effects, improvement from baseline on primary measures, and subjective opinion. Doses will be held constant as long as a therapuetic response, as a measure of 80% improvement on YBOCS and YMRS, is reached.