Loading...
Randomized trials for anxiety disorders and post-traumatic stress disorder have shown greater effects with more-intensive delivery of cognitive-behavioral therapy (CBT), but none has evaluated the effects of “psychotherapy dose” in depression. In a multicenter, Dutch study, researchers compared improvement with twice- versus once-weekly sessions of CBT or interpersonal therapy (IPT) in 200 adults with depression.
All arms provided 16 sessions, followed by 4 biweekly sessions (treatment durations, 16–24 weeks; 76 therapists). As expected, twice-weekly patients finished treatment faster than weekly patients (113 vs. 170 days) but received the same number of sessions. More weekly than twice-weekly patients dropped out (32 vs. 16). While IPT and…