Chronic Pain Clinical Trial
Official title:
Low Dose Ketamine Infusion for Comorbid Posttraumatic Stress Disorder and Chronic Pain Patients
The purpose of the study is to investigate the effectiveness of low dose IV ketamine infusion in the treatment of patients with PTSD and comorbid chronic pain. Hypothesis: A single ketamine infusion should be associated with significantly greater reduction in core PTSD symptom levels after the treatment and such an effect is not only due to its analgesic properties but also through unknown mechanism of action that maybe related to NMDA/AMPA receptor modulation.
To date, treatment options (i.e. psychotherapy, antidepressant medications) for patients with PTSD, are relatively few, and considering their limited efficacy, novel therapies have gained interest among researchers and treatment providers alike. Among patients with chronic pain about one third suffer from comorbid PTSD, which further complicates their already challenging pharmacological regimens. Low dose ketamine infusion has shown promise in PTSD, and in treatment of chronic pain, however they have not been studied in comorbid population and under rigorous control conditions. The investigators compared the effects of a single dose of either ketamine (0.5 mg/kg) or ketorolac (15 mg) over a 40-minute of IV infusion in chronic pain patients with and without PTSD, in double blind, randomized study. Measures were collected before, during, 1 day and 7 days after the infusion. ;
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