High-dose ketamine infusion for the treatment of posttraumatic stress disorder in combat veterans. Ross, C., Jain, R., Bonnett, C., & Wolfson, P. Annals of Clinical Psychiatry, 31(4):271-276, [Elsevier], 2019.
High-dose ketamine infusion for the treatment of posttraumatic stress disorder in combat veterans [link]Website  abstract   bibtex   
INTRODUCTION Combat veterans are at high risk for the development of posttraumatic stress disorder (PTSD) and substance use disorders. Ketamine has been shown to be an effective treatment for numerous mental health disorders, although research on its efficacy in combat-related PTSD in veterans is very limited. METHODS The study population consisted of 30 US military veterans with combat-related PTSD. Participants underwent a standard induction series of six 1-hour ketamine infusions with the goal of obtaining a transpersonal dissociative experience. Participants were given a series of self-report questionnaires to assess for changes in symptoms of depression, PTSD, and substance use prior to the first and sixth infusions. RESULTS Symptoms of depression as measured by change in score on the Patient Health Questionnaire decreased significantly from an average of 18.9 to 9.5 (P < .001). Similarly, symptoms of PTSD as measured by change in score on the PSTD Checklist for DSM-5 dropped significantly from an average of 56.2 to 31.3 (P < .001). Self-reported levels of substance use did not significantly decrease during the study period, although the level of use trended down. CONCLUSIONS This observational study suggests that high-dose ketamine infusion therapy, which induced a transpersonal dissociative experience, could be a valuable tool in the treatment of combat-related PTSD. Further study is needed to better elucidate ketamine’s mechanism of action with regards to the treatment of PTSD.
@article{
 title = {High-dose ketamine infusion for the treatment of posttraumatic stress disorder in combat veterans},
 type = {article},
 year = {2019},
 pages = {271-276},
 volume = {31},
 websites = {https://insights.ovid.com/annals-clinical-psychiatry/aclp/2019/11/000/high-dose-ketamine-infusion-treatment/6/00012105},
 publisher = {[Elsevier]},
 id = {329a87d3-bfde-398d-9df4-120ca4a70671},
 created = {2019-11-06T10:43:43.007Z},
 accessed = {2019-11-06},
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 last_modified = {2019-11-06T10:43:43.117Z},
 tags = {CA,Disc:Psychopharmacology},
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 abstract = {INTRODUCTION
Combat veterans are at high risk for the development of posttraumatic stress disorder (PTSD) and substance use disorders. Ketamine has been shown to be an effective treatment for numerous mental health disorders, although research on its efficacy in combat-related PTSD in veterans is very limited.

METHODS 
The study population consisted of 30 US military veterans with combat-related PTSD. Participants underwent a standard induction series of six 1-hour ketamine infusions with the goal of obtaining a transpersonal dissociative experience. Participants were given a series of self-report questionnaires to assess for changes in symptoms of depression, PTSD, and substance use prior to the first and sixth infusions.

RESULTS
Symptoms of depression as measured by change in score on the Patient Health Questionnaire decreased significantly from an average of 18.9 to 9.5 (P < .001). Similarly, symptoms of PTSD as measured by change in score on the PSTD Checklist for DSM-5 dropped significantly from an average of 56.2 to 31.3 (P < .001). Self-reported levels of substance use did not significantly decrease during the study period, although the level of use trended down.

CONCLUSIONS
This observational study suggests that high-dose ketamine infusion therapy, which induced a transpersonal dissociative experience, could be a valuable tool in the treatment of combat-related PTSD. Further study is needed to better elucidate ketamine’s mechanism of action with regards to the treatment of PTSD.},
 bibtype = {article},
 author = {Ross, Cassie and Jain, Rakesh and Bonnett, Carl and Wolfson, Philip},
 journal = {Annals of Clinical Psychiatry},
 number = {4}
}

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