Specialised treatment based on cognitive behaviour therapy versus usual care for tinnitus: a randomised controlled trial

R.F.F. Cima, I.H. Maes, M.A. Joore, D.J.W.M. Scheyen, A. el Refaie, D.M. Baguley, L.J.C. Anteunis, G.J.P. van Breukelen, J.W.S. Vlaeyen

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Abstract

Background Up to 21% of adults will develop tinnitus, which is one of the most distressing and debilitating audiological problems. The absence of medical cures and standardised practice can lead to costly and prolonged treatment. We aimed to assess effectiveness of a stepped-care approach, based on cognitive behaviour therapy, compared with usual care in patients with varying tinnitus severity. Methods In this randomised controlled trial, undertaken at the Adelante Department of Audiology and Communication (Hoensbroek, Netherlands), we enrolled previously untreated Dutch speakers (aged >18 years) who had a primary complaint of tinnitus but no health issues precluding participation. An independent research assistant randomly allocated patients by use of a computer-generated allocation sequence in a 1:1 ratio, stratified by tinnitus severity and hearing ability, in block sizes of four to receive specialised care of cognitive behaviour therapy with sound-focused tinnitus retraining therapy or usual care. Patients and assessors were masked to treatment assignment. Primary outcomes were health-related quality of life (assessed by the health utilities index score), tinnitus severity (tinnitus questionnaire score), and tinnitus impairment (tinnitus handicap inventory score), which were assessed before treatment and at 3 months, 8 months, and 12 months after randomisation. We used multilevel mixed regression analyses to assess outcomes in the intention-to-treat population. This study is registered with ClinicalTrials.gov, number NCT00733044. Findings Between September, 2007 and January, 2011, we enrolled and treated 492 (66%) of 741 screened patients. Compared with 247 patients assigned to usual care, 245 patients assigned to specialised care improved in health-related quality of life during a period of 12 months (between-group difference 0.059, 95% CI 0.025 to 0.094; effect size of Cohen's d=0.24; p=0.0009), and had decreased tinnitus severity (-8.062, -10.829 to -5.295; d=0.43; p
Original languageEnglish
Pages (from-to)1951-1959
JournalLancet
Volume379
Issue number9830
DOIs
Publication statusPublished - 1 Jan 2012

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