Newly Identified Effects of N-Acetylcysteine

July 5, 2019 · Posted in Potential Treatments 

NACIn a talk at the 2019 meeting of the International Society for Bipolar Disorders, researcher Michael Berk, who was responsible for some of the initial findings on the effects of the antioxidant N-acetylcysteine (NAC), summarized some of the newer findings about the treatment.

NAC has been found to be effective in bipolar depression and in the treatment of both positive and negative symptoms of schizophrenia. It also helps in the avoidance of cocaine, alcohol, tobacco, and marijuana. It can reduce habitual behaviors such as gambling, obsessive compulsive disorder (OCD), and trichotillomania (compulsive hair-pulling) and irritability and motor stereotypy (repeated movements) in autism.

A 2016 study by researcher Sudie E. Back and colleagues in the Journal of Clinical Psychiatry found that NAC improved symptoms of post-traumatic stress disorder (PTSD) in veterans who also had depression and substance use disorders at a dosage of 2.4 grams/day.

According to Berk, NAC also reduces the incidence of lithium-related renal failure and reduces mitochrondrial toxicity. One study reported that it improved working memory in patients with schizophrenia.

In his talk, Berk also noted that statins offer an interesting new avenue for treatment. Several studies have suggested statins can improve mood or reduce the likelihood of a depressive recurrence. Angiotension-active drugs (inhibitors) have also been reported to decrease the incidence of depression and to improve cognition.

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