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Psychotherapy a Powerful Tool to Fight Depression

Cognitive behavioral therapy worked as well or better than antidepressants, other care at preventing depression or relapse

WebMD News from HealthDay

By Dennis Thompson

HealthDay Reporter

THURSDAY, Sept. 5 (HealthDay News) -- Cognitive behavioral therapy can be a powerful tool for preventing depression, equaling or exceeding the effectiveness of antidepressants and other types of care, according to two new studies.

Follow-up cognitive therapy can be as effective as antidepressant medications in preventing a relapse for patients at high risk for another bout of depression, researchers reported in the first study, which was published online Sept. 4 in the journal JAMA Psychiatry.

Adults coming out of acute depression are less likely to suffer a relapse if they receive an additional eight months of either cognitive therapy or the antidepressant Prozac (fluoxetine) after finishing an initial round of cognitive therapy, the report concluded.

"Everybody did better than they would have if they hadn't had treatment," said study author Robin Jarrett, the Elizabeth H. Penn Professor of Clinical Psychology at the University of Texas Southwestern Medical Center in Dallas. "If you treat a patient with cognitive therapy and they do well, then the patient would have a choice: You could treat them with either fluoxetine or therapy."

In the second study, also published online Sept. 4 in JAMA Psychiatry, researchers from Boston Children's Hospital found that cognitive behavioral therapy did better than usual forms of care in preventing depression in at-risk teens.

Teens who received cognitive-behavioral therapy were significantly less likely to suffer a depressive episode than those who were referred to therapists for usual care, which typically involves either standard therapy or medication, said Dr. William Beardslee, director of Baer Prevention Initiatives at the hospital and the Gardner/Monks Professor of Child Psychiatry at Harvard Medical School.

"People at risk for depression often have a very gloomy sense of the future and will misinterpret communications: I'm being rejected or those people don't like me or what I do makes no difference," Beardslee said. "What one tries to do is show that actions do make a difference, and do that in a gentle, supportive way."

The first study involved 241 adults who had responded well to cognitive therapy but were at high risk of relapse for depression. They received treatment at the University of Texas Southwestern Medical Center and the University of Pittsburgh Medical Center.

Researchers broke the group roughly into thirds. The first two thirds received eight months of continuing treatment, either through additional cognitive therapy or by taking Prozac. The final third received a placebo pill.

The people who received continuing treatment had relapse rates that were half that of the placebo group -- about 18 percent for either cognitive therapy or fluoxetine, compared with 33 percent for placebo pills.

The protective effect, however, wore off after treatment ended. Two and a half years later, all three groups had similar relapse rates, although rates in the placebo group still tended to be slightly higher.

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