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  Life   Health  15 Dec 2017  Ketamine can significantly reduce suicidal thoughts

Ketamine can significantly reduce suicidal thoughts

ANI
Published : Dec 15, 2017, 1:28 pm IST
Updated : Dec 15, 2017, 1:28 pm IST

Here is what a new study has found.

Representational Image. (Photo: Pixabay)
 Representational Image. (Photo: Pixabay)

Washington: According to a study, ketamine, a drug used to start and maintain anesthesia, can reduce suicidal thoughts in depressed patients.

Researchers at Columbia University Medical Center (CUMC) also found that ketamine's anti-suicidal effects occurred within hours after its administration.

 

"There is a critical window in which depressed patients, who are suicidal, need rapid relief to prevent self-harm," said Michael Grunebaum, who led the study. "Currently available antidepressants can be effective in reducing suicidal thoughts in patients with depression, but they can take weeks to have an effect. Suicidal, depressed patients need treatments that are rapidly effective in reducing suicidal thoughts when they are at highest risk. Currently, there is no such treatment for rapid relief of suicidal thoughts in depressed patients."

Most antidepressant trials have excluded patients with suicidal thoughts and behavior, limiting data on the effectiveness of antidepressants in this population. However, previous studies have shown that low doses of ketamine, an anesthetic drug, causes a rapid reduction in depression symptoms and may be accompanied by a decrease in suicidal thoughts.

 

The 80 depressed adults with clinically significant suicidal thoughts who enrolled in this study were randomly assigned to receive an infusion of low-dose ketamine or midazolam, a sedative. Within 24 hours, the ketamine group had a clinically significant reduction in suicidal thoughts that was greater than with the midazolam group. The improvement in suicidal thoughts and depression in the ketamine group appeared to persist for up to six weeks.

Those in the ketamine group also had greater improvement in overall mood, depression, and fatigue compared with the midazolam group. Ketamine's effect on depression accounted for approximately one-third of its effect on suicidal thoughts, suggesting the treatment has a specific anti-suicidal effect.

 

Side effects, mainly dissociation (feeling spacey) and an increase in blood pressure during the infusion, were mild to moderate and typically resolved within minutes to hours after receiving ketamine.

"This study shows that ketamine offers promise as a rapidly acting treatment for reducing suicidal thoughts in patients with depression," said Dr. Grunebaum. "Additional research to evaluate ketamine's antidepressant and anti-suicidal effects may pave the way for the development of new antidepressant medications that are faster acting and have the potential to help individuals who do not respond to currently available treatments."

The findings were published in the American Journal of Psychiatry.

 

Tags: ketamine, drugs, anesthesia, suicide, depression, mental health, columbia university medical center (cumc)