Once patients' postoperative pain intensity reaches a moderate-to-severe level, they are randomized to receive intranasal ketamine or placebo. Patients remain in the study unit for 3 hours post administration and assess pain intensity and pain relief throughout the 3 hour postoperative period.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
40
low dose
medium dose
high dose
total pain relief over 0-3 hours following dosing
Time frame: 3 hours
other pain assessments
Time frame: 3 hours
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placebo