Background and purposeDopamine agonists in Parkinson's disease (PD) are associated with impulse control disorders (ICDs) and other compulsive behaviours (together called ICD behaviours). The frequency of ICD behaviours reported as adverse events (AEs) in long‐term studies of rotigotine transdermal patch in PD was evaluated.MethodsThis was a post hoc analysis of six open‐label extension studies up to 6 years in duration. Analyses included patients treated with rotigotine for at least 6 months and administered the modified Minnesota Impulse Disorders Interview. ICD behaviours reported as AEs were identified and categorized.ResultsFor 786 patients, the mean (±SD) exposure to rotigotine was 49.4 ± 17.6 months. 71 (9.0%) patients reported 106 ICD AEs cumulatively. Occurrence was similar across categories: 2.5% patients reported ‘compulsive sexual behaviour’, 2.3% ‘buying disorder’, 2.0% ‘compulsive gambling’, 1.7% ‘compulsive eating’ and 1.7% ‘punding behaviour’. Examining at 6‐month intervals, the incidence was relatively low during the first 30 months; it was higher over the next 30 months, peaking in the 54–60‐month period. No ICD AEs were serious, and 97% were mild or moderate in intensity. Study discontinuation occurred in seven (9.9%) patients with ICD AEs; these then resolved in five patients. Dose reduction occurred for 23 AEs, with the majority (73.9%) resolving.ConclusionsIn this analysis of >750 patients with PD treated with rotigotine, the frequency of ICD behaviour AEs was 9.0%, with a specific incidence timeline observed. Active surveillance as duration of treatment increases may help early identification and management; once ICD behaviours are present rotigotine dose reduction may be considered.
Gender is known to have an influence on medical treatment and the prescribing and outcome of drug treatment. This has also been suggested for selective serotonin reuptake inhibitors (SSRIs). To examine sex differences in the treatment with the SSRI sertraline in routine treatment of depression, data from a 6-month prospective drug utilization observation study on 3,858 women and 1,594 men were analysed for gender differences. Compared to men, women were more often treated by a general practitioner, were somewhat older, had a later onset of illness, were more likely to suffer from a recurrent rather than a first episode of depression, had been treated for depression before, and showed more anxious and less neurasthenic or retarded syndromes. There was no difference regarding duration of the present episode or severity of illness. The mean prescribed dose of sertraline was marginally lower for females compared to males (45.5 versus 46.5 mg/day) with no difference in the rate of psychoactive concomitant medication (6.76% versus 6.80%). There was no difference in side-effects, treatment termination or treatment response.
Objective:This double-blind, placebo-controlled, interventional trial was conducted to investigate the effects of rotigotine patch on periodic limb movement (PLM)–associated nocturnal systolic blood pressure (SBP) elevations.Methods:Patients with moderate to severe restless legs syndrome (RLS) were randomized to rotigotine (optimal dose [1–3 mg/24 h]) or placebo. Continuous beat-to-beat blood pressure (BP) assessments were performed during polysomnography at baseline and at the end of 4-week maintenance. Primary outcome was change in number of PLM-associated SBP elevations (defined as slope of linear regression ≥2.5 mm Hg/beat-to-beat interval over 5 consecutive heartbeats [≥10 mm Hg]). Additional outcomes were total SBP elevations, PLM-associated and total diastolic BP (DBP) elevations, periodic limb movements index (PLMI), and PLM in sleep arousal index (PLMSAI).Results:Of 81 randomized patients, 66 (37 rotigotine, 29 placebo) were included in efficacy assessments. PLM-associated SBP elevations were significantly reduced with rotigotine vs placebo (least squares mean treatment difference [95% confidence interval (CI)] −160.34 [−213.23 to −107.45]; p < 0.0001). Rotigotine-treated patients also had greater reduction vs placebo in total SBP elevations (−161.13 [−264.47 to −57.79]; p = 0.0028), PLM-associated elevations (−88.45 [−126.12 to −50.78]; p < 0.0001), and total DBP elevations (−93.81 [−168.45 to −19.16]; p = 0.0146), PLMI (−32.77 [−44.73 to −20.80]; p < 0.0001), and PLMSAI (−7.10 [−11.93 to −2.26]; p = 0.0047). Adverse events included nausea (rotigotine 23%; placebo 8%), headache (18% each), nasopharyngitis (18%; 8%), and fatigue (13%; 15%).Conclusions:Further investigation is required to determine whether reductions in nocturnal BP elevations observed with rotigotine might modify cardiovascular risk.Classification of evidence:This study provides Class I evidence that for patients with moderate to severe RLS, rotigotine at optimal dose (1–3 mg/24 h) reduced PLM-associated nocturnal SBP elevations.
Rotigotine was beneficial in improving overall RLS symptom severity (assessed by IRLS) and RLS symptom severity at various times of the day (m-SIT-DS); however, superiority to placebo was not established.
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