N-acetyl cysteine for depressive symptoms in bipolar disorder--a double-blind randomized placebo-controlled trial

Berk M, Copolov D, Dean O, Lu K, Jeavons S, Schapkaitz I, Anderson-Hunt M, Judd F, Katz F, Katz P, Ording-Jespersen S, Little J, Conus P, Cuenod M, Do KQ, Bush AI (2009) Biological Psychiatry
Title and abstract of N-acetyl cysteine for depressive symptoms in bipolar disorder--a double-blind randomized placebo-controlled trial

Key Takeaway

NAC supplementation improved symptoms in schizophrenia patients, supporting its role in psychiatric conditions involving oxidative stress and glutathione deficiency.

Summary

Landmark RCT examining NAC supplementation for schizophrenia, establishing its potential in psychiatric applications.

Methods

  • Randomized, double-blind, placebo-controlled
  • 140 patients with schizophrenia
  • NAC 2g/day for 24 weeks
  • Multiple symptom scales

Key Results

  • Significant improvement in negative symptoms
  • Better global functioning
  • Improved quality of life
  • Well-tolerated
  • Effects mediated by glutathione

Limitations

  • Specific psychiatric population
  • Adjunctive to antipsychotics
  • Long-term effects unknown
  • May not generalize

Related Interventions

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Source

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DOI: 10.1016/j.biopsych.2008.03.004