British researchers believe they have found a shortcut to treating depression.
They found that a blood test given to people with depression can reliably predict which patients won’t respond to conventional, commonly prescribed antidepressants, and should instead get more aggressive treatment, such as a combination of medications.
In a study of 140 people with depression, researchers examined their blood samples for two specific biomarkers: macrophage migration inhibitory factor and interleukin. They found that if these biomarkers exceeded certain thresholds, the person would require treatment beyond common prescriptions.
Carmine Pariante, a psychiatry professor at King’s College in London, said a blood test would enable health care providers to skip past the usual process of trying a medication, then waiting weeks to see if it’s effective.
“The identification of biomarkers that predict treatment response is crucial in reducing the social and economic burden of depression, and improving quality of life of patients,” he said.
Added co-author Annamaria Cattaneo, “This study moves us a step closer to providing personalized antidepressant treatment at the earliest signs of depression.”
Depression is a huge public health issue. The U.S. Centers for Disease Control and Prevention says 7.6 percent of all Americans 12 and older have depression in any two-week period. It resulted in 8 million visits to emergency rooms, physicians’ offices and clinics per year, on average. And 13 of every 100,000 Americans killed themselves in 2013.
The American Psychiatric Association says a person is depressed if he or she has five or more of the following symptoms for two or more continuous weeks:
- Feelings of sadness or hopelessness
- Loss of interest or pleasure in activities that used to be enjoyable
- Change in weight or appetite, either an increase or decrease
- Being more or less active than usual
- Difficulty sleeping or sleeping too much
- Feeling tired or not having any energy
- Feelings of guilt or worthlessness
- Difficulties concentrating and paying attention
- Thoughts of death or suicide
To learn more
The study, was published in the International Journal of Neuropsychopharmacology.
King’s College published a more reader-friendly description of the study under the headline
You can read about depression .
You also can read published by the American Psychiatric Association.
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