Meta-Analysis Shows Anti-Inflammatory Treatments Improve Bipolar Depression

November 22, 2016 · Posted in Current Treatments 

anti inflammatory treatments for bipolar depressionIt has been clear for some time that depression and inflammation are linked. This has led researchers to explore a variety of anti-inflammatory agents to treat depression. A meta-analysis of studies examining anti-inflammatory treatments for bipolar depression was published in the journal Bipolar Disorders in 2016.

Researcher Joshua D. Rosenblat and colleagues identified eight randomized controlled trials that met their criteria for anti-inflammatory treatments of bipolar disorder. These treatments included nonsteroidal anti-inflammatory drugs (NSAIDs such as ibuprofen and aspirin), omega-3 fatty acids, the antioxidant N-acetylcysteine, and pioglitazone (used to treat diabetes). Overall, the anti-inflammatory treatments had a moderate and statistically significant antidepressant effects. No serious side effects were reported, and the anti-inflammatory treatments did not cause a switch into mania in any of the participants.

The diversity of the anti-inflammatory treatments reviewed in this meta-analysis limit the extent to which it can be interpreted, but it is clear that more research on anti-inflammatory treatments for bipolar depression is needed. An open question is whether patients with particularly elevated levels of inflammatory markers in their blood would respond better to these anti-inflammatory treatments.


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