Background: Drug therapy is important for controlling symptoms in Parkinson’s disease (PD). However, it often results in complex medication regimens and could easily lead to drug related problems (DRP), suboptimal adherence and reduced treatment efficacy. A structured medication review (SMR) could address these issues and optimize therapy, although little is known about clinical effects in PD patients. Objective: To analyze whether an SMR improves quality of life (QoL) in PD. Methods: In this multicenter randomized controlled trial, half of the 202 PD patients with polypharmacy received a community pharmacist-led SMR. The control group received usual care. Assessments at baseline, and after three and six months comprised six validated questionnaires. Primary outcome was PD specific QoL [(PDQ-39; range 0 (best QoL) – 100 (worst QoL)]. Secondary outcomes were disability score, non-motor symptoms, general health status, and personal care giver’s QoL. Furthermore, DRPs, proposed interventions, and implemented modifications in medication schedules were analyzed. Results: No improvement in QoL was seen six months after an SMR, with a non-significant treatment effect difference of 2.09 (–0.63;4.80) in favor of the control group. No differences were found in secondary outcomes. In total, 260 potential DRPs were identified (2.6 (±1.8) per patient), of which 62% led to drug therapy optimization. Conclusion: In the current setting, a community pharmacist-led SMR did not improve QoL in PD patients, nor improved other pre-specified outcomes.
Objective To describe three cases with neurological symptoms after SARS-CoV-2 vaccination. Methods A case series followed by a review of the literature, describing hypotheses on how neurological symptoms might develop after vaccination. Results The different temporal relationship between the onset or worsening of different neurological symptoms suggests different pathophysiological mechanisms. Progression of post-infectious myoclonus, caused by a previous SARS-CoV-2-infection, shortly after vaccination suggests a renewed auto-immune mediated crossreaction of antibodies to both viral epitopes and central nervous system components. Thunderclap headache after vaccination suggests a similar pathophysiological mechanism to the headache and other flu-like symptoms described after vaccination against other viruses. This might be ascribed to the activation of immunoinflammatory mediators or accompanying fever. Although headache accompanied by encephalopathy and focal neurological deficit might occur as part of a cytokine release syndrome, this is clinically less likely. Conclusions A variety of symptoms, including thunderclap headache, focal deficits and movement disorders, can occur after SARS-CoV-2 vaccination, and an activation or reactivation of the immune system is suggested as most likely cause. However, one should be careful about claiming a direct correlation. It remains important to exclude other causes, such as structural lesions, infections or subarachnoid hemorrhage, and future research is required to understand possible pathophysiological mechanisms and associations with the SARS-CoV-2 vaccine.
BackgroundTreatment of Parkinson's disease (PD) is symptomatic and frequently consists of complicated medication regimes. This negatively influences therapy adherence, resulting in lower benefit of treatment, drug related problems and decreased quality of life (QoL). A potential effective intervention strategy is a structured medication review, executed by community pharmacists. However, little is known about the effects on clinical endpoints like QoL, as well as on feasibility and cost-effectiveness in PD patients.ObjectivesTo assess the effect of a structured medication review on QoL in PD patients. Secondary objectives are measurements of physical disability, activities in daily life, non-motor symptoms, health state, personal carers' QoL and cost-effectiveness. Furthermore, a better insight in the process of performing medication reviews will be obtained from the perspective of community pharmacists.MethodsIn this multicenter randomized controlled trial we aim to enroll 200 PD patients from the outpatient clinic of three Dutch hospitals. Community pharmacists will perform a structured medication review in half of the assigned patients; the other half will receive usual care. Data obtained by use of six validated questionnaires will be collected at baseline and after 3 and 6 months of follow-up. Semi-structured interviews with community pharmacists will be conducted till data saturation has been reached.DiscussionThis trial targets a high-risk patient group for whom optimizing therapy by a structured medication review might be of added value. If effectiveness is proven, this could further promote the implementation of pharmaceutical care in a primary care setting.
Background Complex medication schedules in Parkinson’s disease (PD) result in lower therapy adherence, which contributes to suboptimal therapy and clinical deterioration. Medication reminder systems might improve therapy adherence and subsequently improve symptoms of PD. This randomized controlled study assessed the effect of the electronic medication dispenser Medido on physical disability in PD, as a proxy for changes in therapy adherence.x Methods Eighty-seven patients were randomized into the Medido group or control group. The primary outcome of physical disability was measured by the AMC Linear Disability Scale (ALDS). Secondary outcomes were quality of life (QoL) (PDQ-39), health status (EQ5D-5L, VAS), non-motor symptoms (NMS-Quest), and QoL of the caregiver (PDQ-carer). Measurements were performed at baseline, and after 3 and 6 months follow-up. Results When using the Medido, a non-significant improvement of 3.0 points (95% CI -5.6;11.6) was seen in ALDS. The exploratory subgroup Hoehn & Yahr classification (H&Y) > 2.5 improved significantly on ALDS with 14.7 points (95% CI -28.5;-0.9, p = 0.029 for group x time interaction). QoL deteriorated with 1.0 point in PDQ-39 (p = 0.01 for group x time interaction) in favor of the control group. Non-significant differences were observed for VAS (0.4 points, p = 0.057) and NMS-Quest (1.3 points, p = 0.095) in favor of the Medido group. No changes over time were observed in EQ5D-5L and PDQ-carer. Conclusions Based on these data, no firm conclusion can be drawn, but use of the Medido medication dispenser may result in a clinical improvement of physical disability and seems particularly appropriate for more severe patients. Trial registration NTR3917. Registered 19 March 2013.
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