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Immune Therapy for Depression

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The chemical mechanism of depression remains controversial. For decades, psychiatrists have been telling us that a deficiency of monoamine neurotransmitters, usually serotonin, causes depression. But what causes that deficiency? And why do different patients have such different responses to antidepressant drugs?

There is another theory in the medical literature. Inflammation is strongly associated with depressive symptoms. It is well known that autoimmune diseases can damage almost any tissue or organ with an excessive inflammatory response to triggers that may or may not be identified. Some researchers report that inflammatory cytokines may be the true chemical imbalance for at least some depressed patients. Thus, anti-inflammatories have potential to be more effective than conventional antidepressants in some or all cases. There are many types of drugs currently used to reduce the immune system's attack on healthy tissue, with varying degrees of success for most autoimmune and inflammatory conditions.

I found three clinical trials currently in progress for immune therapies for depression. Two are dietary supplements and two are prescription drugs:

Vitamin D. This option is immediately available to anyone who wants to try it. Researchers at Loyola University in Maywood, Illinois, are testing dietary supplement capsules containing 50,000 IU of vitamin D once a week for six months to improve metabolic control and treat depressive symptoms in women with type 2 diabetes. Vitamin D has been associated with protection from multiple sclerosis, an autoimmune condition that affects the nervous system.

Omega-3 fatty acids. This is another nutritional option, under investigation by the University of Cincinnati. The dosages are 2.4 g/day and 15 g/day.

Cimicoxib. Affectis Pharmaceuticals is developing this non-steroidal anti-inflammatory drug (NSAID) for the treatment of depression and schizophrenia. It selectively inhibits the action of COX-2. This means it is similar to other drugs such as celecoxib (Celebrex).

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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.


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