Dose patterns among patients using low-dose buprenorphine patches.

OBJECTIVE: The objective of this study was to investigate the dose pattern of low-dose buprenorphine patches among patients in Swedish clinical practice. The clinical experts among the coauthors interpreted the results in relation to possible indications of development of tolerance and/or dependence/addiction. DESIGN AND SETTING: This was a nationwide, observational study using data from the Swedish Prescribed Drug Register. SUBJECTS: Individuals who were dispensed the low-dose buprenorphine patches continuously for more than 24 weeks during July 1, 2005 to February 28, 2011 were included. METHODS: The dose pattern was analyzed as the change in dose over time for each patient: 1) the dose at baseline compared with each of the following 8-week intervals, and 2) the dose at baseline compared with the dose during the patients' last treatment period. RESULTS: The majority of the patients were female (74%), and most were 75 years and older (69%). The median treatment duration was 260 days, and 4% and 1% of patients remained on continuous treatment for 2 and 3 years, respectively. The mean dose was 11 µg/h at baseline, and 15 µg/h during the patients' last treatment period. The average dose increased by 4 µg/h during the patients' entire treatment course. CONCLUSIONS: The average dose increased by 4 µg/h during the patients' treatment course, which lasted on an average of 260 days. From a clinical perspective, the dose increase of 4 µg/h is low and does not suggest dependence/addiction, as also supported by the low proportion of patients remaining on continuous treatment.

Double-blind comparison of sertraline and placebo in stroke patients with minor depression and less severe major depression.

BACKGROUND: Poststroke depression is a frequent condition and important to treat. The aim of this trial was to study the efficacy and tolerability of sertraline. METHOD: In 4 Swedish stroke centers, 123 patients (aged 70.7 +/- 9.9 years) were enrolled during the period September 1998 to January 2001 in a randomized, double-blind, placebo-controlled 26-week trial, at a mean of 128 +/- 97 days (range, 3-375 days) after stroke, if they fulfilled DSM-IV criteria of major depressive episode (N = 76) or minor depressive disorder (N = 47). The primary efficacy variable was a change in depression assessed by the Montgomery-Asberg Depression Rating Scale. The Emotional Distress Scale (EDS) was administered and the occurrence of emotionalism and quality of life (QoL) were assessed, as well as neurologic recovery. Efficacy analyses were intention-to-treat, short-term (week 6) and long-term (week 26). RESULTS: Of the 123 patients, 62 were treated with sertraline (50-100 mg/day) and 61 with placebo. Both groups improved substantially, with no differences between the treatments, either for major depressive episode or minor depressive disorder, or for short- or long-term antidepressant effect and neurologic outcome. EDS revealed a better outcome with sertraline at week 6 (p < .05). At week 26, the improvement in QoL was better in sertraline patients (p < .05) and there was a trend for emotionalism (p = .07). No serious side effects were seen. CONCLUSION: Poststroke depression as measured by a conventional depression rating scale improved over time irrespective of treatment. Positive effects specific to sertraline were identified in emotional distress, emotionalism, and QoL. The study indicates that poststroke emotional reactions comprise depression and other domains susceptible to pharmacologic therapy.