Duration of relapse prevention after cognitive therapy in residual depression: follow-up of controlled trial |
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Authors: | Paykel E S Scott J Cornwall P L Abbott R Crane C Pope M Johnson A L |
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Affiliation: | Department of Psychiatry, University of Cambridge, UK. esp10@cam.ac.uk |
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Abstract: | BACKGROUND: Although there is good evidence that cognitive therapy (CBT) lessens relapse and recurrence in unipolar depression, the duration of this effect is not known. METHOD: One hundred and fifty-eight subjects, from a randomized controlled trial of CBT plus medication and clinical management versus medication and clinical management alone, were followed 6 years after randomization (4 1/2 years after completion of CBT) and the longitudinal course assessed. RESULTS: Effects in prevention of relapse and recurrence were found to persist, with weakening, and were not fully lost until 3 1/2 years after the end of CBT. Residual symptoms were also lessened. CONCLUSIONS: The effect of CBT in reduction of relapse and recurrence persists for several years. The potential value of subsequent additional CBT some time after cessation should be explored. |
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