Anti-depressants not working, says study

A recent study has found that more than half of older men who use antidepressant medication or psychotherapy are not responding to treatment.

Lead author, Professor Osvaldo Almeida, from the Western Australian Centre for Health and Ageing at The University of Western Australia, said the finding was surprising and alarming.

“This is a big issue, not only because depression causes significant personal suffering and disability, but also because our results show that these men are also more likely to die,” Professor Almeida said.

“We found that older men who were using antidepressants but remained depressed had a substantially higher mortality risk. However, men using antidepressants who were free of depressive symptoms had a similar mortality risk over 10 years as the rest of the population.

“The most plausible explanation for these results is that the increased mortality risk associated with antidepressant use is not due to the medication itself, but to the persistence of depressive symptoms despite treatment. In other words, it is the depression that is contributing to shorten people’s lives.”

Professor Almeida said the study showed more needed to be done to improve the efficacy of current antidepressant treatments.

Depression is a common and disabling condition that affects one in 10 people over the age of 60 years living in the community.

Professor Almeida and his team assessed the health and lifestyle of 5,276 men aged over 68 years who had been living in Perth for more than a decade. Their health status was assessed periodically over the decade.

The study was published in the journal PLoS-One.

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