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Objective: This study aims to identify whether type 2 diabetes mellitus (T2DM) impacts the age of Parkinson's disease (PD) onset. Methods: Consecutive people living with PD (PwP) with 2-4 years of disease duration were included and categorized according to the presence of T2DM. A 2:1 ratio randomization from the non-DM sample was performed. T2DM diagnosis was defined by a positive personal history of T2DM recorded in the medical files or reported by the subject, or the use of a hypoglycemic drug for glycemic control. A clinical assessment including the Movement Disorder Society Unified Parkinson's disease rating scale and the Hoehn and Yahr was performed by a movement disorders specialist. Results: One hundred and twenty-four non-T2DM PwP and 62 PwP with T2DM (PD-DM) were included in the study. No statistically significant differences between groups were found in motor and non-motor scores nor in disease duration. The mean age of the whole sample was 63.4 ± 11.9 years, with a mean PD duration of 3.4 ± 0.8 years. In the PD-DM group, the mean duration of T2DM was 12.4 ± 6.8 years, and T2DM was diagnosed 9.2 ± 6.8 years before the PD onset. The PD-DM group had an older age of PD onset (5.9 ± 1.6 year, p < 0.001). Conclusions: Patients with PD-DM had an older age at PD onset, suggesting a potential T2DM role in delaying the age of disease onset.

Background: Impulse control disorders (ICD) occur frequently in individuals with Parkinson's disease. So far, prevention is the best treatment. Several strategies for its treatment have been suggested, but their frequency of use and benefit have scarcely been explored. Objective: To investigate which strategy is the most commonly used in a real-life setting and its rate of response. Methods: A longitudinal study was conducted. At the baseline evaluation, data on current treatment and ICD status according to QUIP-RS were collected. The treatment strategies were categorized as “no-change”, dopamine agonist (DA) dose lowering, DA removal, DA switch or add-on therapy. At the six-month follow-up visit, the same tools were applied. Results: A total of 132 individuals (58.3% men) were included; 18.2% had at least one ICD at baseline. The therapeutic strategy most used in the ICD group was no-change (37.5%), followed by DA removal (16.7%), DA switch (12.5%) and DA lowering (8.3%). Unexpectedly, in 20.8% of the ICD subjects the DA dose was increased. Overall, nearly 80% of the subjects showed remission of their ICD at follow-up. Conclusions: Regardless of the therapy used, most of the subjects presented remission of their ICD at follow-up Further research with a longer follow-up in a larger sample, with assessment of decision-making processes, is required in order to better understand the efficacy of strategies for ICD treatment.

Background:The prevalence of Parkinson's disease (PD) increases as the population ages. Studies have shown that some cardiometabolic comorbidities could be associated with risk or protection against developing PD. A retrospective case-control study was carried out to analyze the relationship between PD and cardiometabolic comorbidities. Material and methods: Subjects with PD and controls without PD were consecutively recruited. Data on type 2 diabetes mellitus, systemic arterial hypertension (SAH), dyslipidemia and body mass index were collected. Logistic regression analyses were carried out.