Randomized controlled trial in primary care

نویسندگان

  • Gerald van Gurp
  • Greg B. Meterissian
  • Laura N. Haiek
  • Jane McCusker
  • François Bellavance
چکیده

OBJECTIVE To compare the change in severity of depressive symptoms and occurrence of side effects in primary care patients treated with St John’s wort (SJW) and sertraline. DESIGN Double-blind, randomized 12-week trial. SETTING Community-based offices of 12 family physicians practising in greater Montreal, Que. PARTICIPANTS Eighty-seven men and women with major depression and an initial score of ≥16 on the Hamilton Rating Scale for Depression (Ham-D). INTERVENTIONS Patients were randomized to treatment with either sertraline (50 to 100 mg/d) or SJW (900 to 1800 mg/d) in a double-blind fashion. Assessment of depression was done at entry and at 2, 4, 8, and 12 weeks using the Ham-D, the Beck Depression Inventory (BDI), and a questionnaire asking about compliance and side effects. MAIN OUTCOME MEASURES Changes from baseline in Ham-D and BDI scores and self-reported side effects. RESULTS There were no important differences in changes in mean Ham-D and BDI scores (using intentionto-treat analysis), with and without adjustment for baseline demographic characteristics, between the two groups at 12 weeks. Significantly more side effects were reported in the sertraline group than in the SJW group at 2 and 4 weeks’ follow up. CONCLUSION The more benign side effects of SJW make it a good first choice for this patient population. RÉSUMÉ OBJECTIF Comparer les changements dans la gravité des symptômes de la dépression et la survenance d’effets secondaires chez des patients en soins de première ligne traités avec du millepertuis et de la sertraline. CONCEPTION Une étude aléatoire à double insu d’une durée de 12 semaines. CONTEXTE Les pratiques établies au niveau de la collectivité de 12 médecins de famille exerçant dans le Grand Montréal, au Québec. PARTICIPANTS Un total de 87 hommes et femmes souffrant de dépression majeure et présentant un score initial de ≥ 16 sur l’échelle de dépression Hamilton (Ham-D). INTERVENTIONS Les patients ont été divisés au hasard pour recevoir soit un traitement à la sertraline (50 à 100mg/j) ou au millepertuis (900 à 1 800mg/j) selon un mode à double insu. L’évaluation de la dépression a été effectuée au début, puis après 2, 4, 8 et 12 semaines, au moyen du Ham-D, de l’inventaire de dépression de Beck (IDB) et d’un questionnaire concernant la conformité à l’ordonnance et les effets secondaires. PRINCIPALES MESURES DES RÉSULTATS Les changements en fonction du point de repère initial dans les scores Ham-D et IDB et les effets secondaires signalés par les intéressés. RÉSULTATS Il n’y avait pas de distinctions importantes dans les changements enregistrés dans les scores moyens Ham-D et IDB (à l’aide d’une analyse du principe de vouloir traiter), avec et sans ajustement pour les caractéristiques démographiques repères entre les deux groupes après 12 semaines. Un nombre considérablement plus élevé d’effets secondaires ont été signalés dans le groupe traité à la sertraline que dans le groupe traité au millepertuis après 2 et 4 semaines de suivi. CONCLUSION Les effets secondaires plus bénins du millepertuis en font un choix privilégié pour cette population de patients. This article has been peer reviewed. Cet article a fait l’objet d’une évaluation externe. Can Fam Physician 2002;48:905-912.

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تاریخ انتشار 2002