Publications by authors named "Omar Kassar"

Objective: This systematic review and meta-analysis evaluates the efficacy of bilateral subthalamic nucleus (STN) deep brain stimulation (DBS) in improving gastric motility in patients with Parkinson's disease (PD).

Materials And Methods: A systematic search was conducted in Scopus, Web of Science, PubMed, and Cochrane CENTRAL until December 15, 2024. Observational studies and clinical trials evaluating DBS effects on gastric motility and gastric emptying in patients with PD were included.

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This article relates to Comment on: is clozapine use a risk of hematological malignancies? Insights from a meta-analysis "Clozapine and Malignancy Risk".

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Background: The hypothesis of immune and inflammatory dysregulation has been supported in the pathogenesis of schizophrenia; this systematic review and meta-analysis aims to evaluate the efficacy and safety of celecoxib, which is a COX-2 inhibitor with anti-inflammatory effects, in the management of schizophrenia.

Methods: A comprehensive search of electronic databases, including PubMed, Scopus, Cochrane, and Web of Science, was performed in February 2025. We included only randomized controlled trials (RCTs) comparing celecoxib alone or as an adjunct to antipsychotics to placebo.

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Objective: This systematic review and meta-analysis aims to evaluate the clinical and radiological outcomes of glibenclamide versus control in acute stroke.

Methods: In accordance with PRISMA guidelines, a comprehensive literature search was conducted to identify relevant studies up to January 15, 2025. Efficacy outcomes included modified Rankin Scale (mRS) score at 3 and 6 months, Barthel Index (BI), midline shift (MLS) at 72-96 hours, serum MMP-9 levels and decompressive craniectomy.

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Purpose: It has been shown that 5-hydroxytryptamine3 (5-HT3) receptors are involved in the pathogenesis of schizophrenia. This systematic review and meta-analysis of randomized clinical trials (RCTs) evaluates the efficacy and safety of ondansetron, a potent 5-HT3 receptor antagonist, as adjunctive treatment for the management of schizophrenia, especially the negative symptoms.

Methods: A comprehensive search of electronic databases, including PubMed, Scopus, Cochrane, and Web of Science, was performed in October 2024.

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Introduction: Gut dysbiosis is one of the environmental factors that might contribute to the development of Parkinson's disease (PD). The potential impact of antimicrobial agents on PD risk, particularly through dysbiosis and neuroinflammation, is an area of ongoing investigation, though findings remain inconsistent.

Methods: This systematic review and meta-analysis aimed to assess the relationship between antimicrobial use and PD risk.

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Novel treatments that act beyond the conventionally targeted monoamine system are urgently needed to provide more effective relief for patients with major depressive disorder. Pentoxifylline (PTX) is a phosphodiesterase inhibitor with potent anti-inflammatory and antioxidant effects, with additional pleiotropic effects. This is the first systematic review and meta-analysis to examine the role of PTX in major depressive disorder.

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