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Pharmacy

Pharmacy is an international, scientific, peer-reviewed, and open access journal dealing with pharmacy education and practice, and is published bimonthly online by MDPI. 
The Academy of Pharmaceutical Sciences (APS) is affiliated with Pharmacy and its members receive discounts on the article processing charges.
Indexed in PubMed | Quartile Ranking JCR - Q3 (Pharmacology and Pharmacy)

All Articles (1,679)

Irisin as a Neuroprotective Agent in Parkinson’s Disease: The Role of Physical Exercise in Modulating Dopaminergic Neurons

  • José Garcia de Brito-Neto,
  • Paulo Leonardo de Góis Morais and
  • José Rodolfo Lopes de Paiva Cavalcanti
  • + 3 authors

Exercise-induced myokines have emerged as crucial mediators of the beneficial effects of physical activity on neurodegenerative diseases through complex molecular mechanisms involving oxidative stress reduction, neuroinflammation suppression, and synaptic plasticity enhancement. Among these myokines, irisin, encoded by the FNDC5 gene, has gained significant attention as a potential therapeutic target in neurodegenerative conditions due to its ability to cross the blood–brain barrier and exert pleiotropic neuroprotective effects. This review synthesizes current evidence from both preclinical and clinical studies examining the role of exercise-induced irisin in neurodegeneration, with particular emphasis on translational potential and therapeutic applications. A comprehensive search was conducted across PubMed, Web of Science, Scopus, and EMBASE databases (spanning January 2015 to December 2024) to identify peer-reviewed articles investigating irisin’s neuroprotective mechanisms in neurodegenerative diseases. Ten studies met the inclusion criteria (five rodent/primate model studies and five human clinical investigations), which were analyzed for methodological rigor, intervention protocols, biomarker quantification methods, and reported outcomes. Reviewed studies consistently demonstrated that exercise-induced endogenous irisin elevation correlates with improved cognitive function, reduced neuroinflammatory markers, enhanced synaptic plasticity, and modulation of neurodegenerative pathways, with exogenous irisin administration reproducing several neuroprotective benefits observed with exercise training in animal models. However, substantial heterogeneity exists regarding exercise prescription parameters (intensity, duration, frequency, modality), training-induced irisin quantification methodologies (ELISA versus mass spectrometry), and study designs (ranging from uncontrolled human observations to randomized controlled trials in animal models). Critical appraisal reveals that human studies lack adequate control for confounding variables including baseline physical fitness, comorbidities, concurrent medications, and potential sources of bias, while biochemical studies indicate distinct pharmacokinetics between endogenous training-induced irisin and exogenous bolus dosing, necessitating careful interpretation of therapeutic applicability. The translational potential of irisin as a therapeutic agent or drug target depends on resolving methodological standardization in biomarker measurement, conducting well-designed clinical trials with rigorous control for confounders, and integrating findings from molecular/biochemical studies to elucidate mechanisms linking irisin to disease modification. Future research should prioritize establishing clinical trial frameworks that harmonize exercise prescriptions, employ robust biomarker quantification (mass spectrometry), and stratify participants based on disease stage, comorbidities, and genetic predisposition to clarify irisin’s role as a potential therapeutic intervention in neurodegenerative disease management.

13 January 2026

A—Physical exercise releases irisin. Its levels rise at the start of activity and stay high for 48 h. B—Irisin helps reduce the buildup of α-synuclein in the brain. C—Irisin increases dopamine uptake in the striatum. D—Irisin protects dopaminergic neurons. It lowers apoptosis, oxidative stress, and mitochondrial fragmentation while boosting mitochondrial respiration. E—Irisin promotes biogenesis. This leads to more dopaminergic neurons in the substantia nigra and striatum. F—Irisin helps stem cells move from the bone marrow to damaged brain areas. G—Irisin effects in the brain can ease Parkinson’s disease symptoms. This includes improving motor function, balance, and cognitive ability.

Psychosis is a frequent and disabling non-motor complication of Parkinson’s disease (PD). Clozapine and quetiapine are widely used in the treatment of Parkinson’s disease psychosis (PDP). We conducted an exploratory study to compare patient experiences with physician prescribing practices. Patients with PDP hospitalized at a university center completed semi-structured interviews on perceived efficacy, adverse effects, and daily functioning. Neurologists and geriatricians attending training sessions completed a structured questionnaire on prescribing patterns, attitudes toward clozapine, and perceived treatment burden. Data were analyzed thematically and triangulated across cohorts. Eleven patients (mean age 81 years; nine treated with quetiapine, two with clozapine) were included. Most quetiapine-treated patients reported persistent hallucinations, sedation, dizziness, and reduced autonomy. Fourteen physicians completed the survey and most preferred quetiapine, citing monitoring logistics and agranulocytosis risk as barriers to clozapine. Overall, patient priorities centered on symptom control and independence, whereas physician decisions emphasized feasibility and safety. Facilitating clozapine monitoring and incorporating patient-reported outcomes into routine care may improve patient-centered PDP management.

13 January 2026

Reported effects of quetiapine on hallucinations, quality of life, and side effects among quetiapine-treated patients only. Numbers indicate the number of patients selecting each response option (n = 9). Due to the very small number of clozapine-treated patients (n = 2), quantitative visualization for clozapine was not performed.

Artificial Intelligence (AI) has increasingly contributed to advancements in pharmaceutical practice, particularly by enhancing the pharmacist–patient relationship and improving medication adherence. This quantitative, descriptive, cross-sectional study investigated Eastern Romanian pharmacists’ perception of AI-based applications as effective optimization tools, correlating it with disruptive communication factors. An anonymous and online questionnaire was distributed to community pharmacists, examining sociodemographic characteristics, awareness of disruptive factors, and the perceived usefulness of AI. The sample included 437 respondents: pharmacists (55.6%), mostly female (83.8%), and aged between 25 and 44 (52.6%). Data analysis involved descriptive statistics and independent t-tests. The statistical analysis revealed a significantly positive perception (p < 0.001) of AI on pharmacist–patient communication. Respondents viewed AI as a valuable tool for reducing medication errors and optimizing counseling time, though they maintain a strong emphasis on genuine human interaction. Significant correlations were found between disruptive factors—such as noise and high patient volume—and the quality of communication. Participants also expressed an increased interest in applications like automatic prescription scheduling and the use of chatbots. The study concludes that a balanced implementation of AI technologies is necessary, one that runs parallel with the continuous development of pharmacists’ communication skills. Future research should focus on validating AI’s impact on clinical outcomes and establishing clear ethical guidelines regarding the use of patient data.

9 January 2026

Perception of the involvement of disruptive factors in the pharmacist–patient communication relationship.

Epidemiological Assessment of Benzodiazepine Dependence via Pharmacist-Led EMR Review in Pain and Palliative Care Institution

  • Carlos Eduardo Estrada-De La Rosa,
  • Felipe Alexis Avalos-Salgado and
  • Daniel Osmar Suárez-Rico
  • + 3 authors

Background/Objectives: Benzodiazepines (BZDs) are used routinely in cases requiring sedation for anxiety, insomnia, and procedures that require pain management, and daily use of these agents may extend over several months; therefore, monitoring patients is essential to reduce the risk of developing dependence. However, the high patient volume in pain and palliative-care settings often limits physicians’ ability to both conduct consultations and perform comprehensive evaluations. In this context, the pharmacist plays a key role in supporting patient care by contributing professional activities that enhance patient well-being, such as conducting systematic reviews of electronic medical records. This pharmacist-led EMR assessment enables the identification of benzodiazepine dependence patterns and supports a more robust epidemiological evaluation within the institution. Methods: A descriptive observational study (January 2022–May 2025) using electronic medical records and prescription data was conducted. Consecutive adults with an active BZD prescription and a documented BDEPQ-MX (Benzodiazepine Dependence Questionnaire, Mexican version) were included. Outcomes were BDEPQ-MX categories (No dependence; Pleasurable effects; Perceived need; Dependence) and a binary endpoint was stablished as “any dependence” (either scored in Perceived need or Dependence category) vs. No dependence (either scored as No dependence or Pleasurable effects categories). Group comparisons used χ2, Student’s t, and one-way ANOVA. A logistic regression modeled any dependence; a general linear model (GLM) examined the BDEPQ-MX total score. Results: Of 181 complete cases, BDEPQ-MX categories were No dependence 33.2% (60/181), Pleasurable effects 7.2% (13/181), Perceived need 17.1% (31/181), and Dependence 42.5% (77/181); hence, 59.7% met “any dependence.” Women comprised 67.4% overall. Compared with No dependence, the any-dependence group had higher comorbidity (83.3% vs. 65.8%, p = 0.006) and markedly greater duration of BZD use (months) (22.6 ± 11.5 vs. 5.9 ± 4.9, p < 0.001), with no difference in daily dose (p = 0.6). Benzodiazepine medications shifted toward alprazolam in dependence (38.9% vs. 20.5%, p = 0.009) and away from clonazepam (43.5% vs. 58.9%, p = 0.042). In the adjusted model, the male sex was associated with lower odds of any dependence (aOR 0.29, 95% CI 0.11–0.76; p = 0.013), while the duration of BZD use (per month) increased the odds (aOR 1.32, 1.20–1.45; p < 0.001). In the GLM, the duration showed the largest effect on BDEPQ-MX total (F = 203.26; p < 0.001; partial η2 = 0.545). Conclusions: In this outpatient pain and palliative-care population, benzodiazepine-related dependence phenomena were common: 59.7% of patients met the criteria for dependence based on the pharmacist-led EMR review. The involvement of the pharmacist was essential, as this systematic evaluation would have been difficult to perform within routine medical consultations. The pharmacist’s contribution enabled a detailed epidemiological characterization, revealing that the exposure duration—more than daily dose—was the principal, modifiable correlate of dependence, and that alprazolam was disproportionately represented in the higher-dependence categories. These findings underscore the value of pharmacist-supported surveillance to identify and measure BZD dependance.

7 January 2026

Heatmap of benzodiazepine drug by BDEPQ-MX category. Cells display the percentage of patients within each category receiving alprazolam, clonazepam, or midazolam; rows are normalized to 100% (minor rounding correction applied). Pastel green–yellow–red shading reflects lower-to-higher proportions. Categories: No dependence and Pleasurable effects (n = 73, both categories were unified due to the low sample in the pleasurable effects group), Perceived need (n = 31), Dependence (n = 77).

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Editors: Parastou Donyai
Embedded Pharmacists in Primary Care
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Editors: George E. MacKinnon III, PhD, MS, RPh, Nathan Lamberton, PharmD, BCPS

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Pharmacy - ISSN 2226-4787