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Clazosentan therapy has been found to be effective in reducing the incidence of vasospasm after aneurismal subarachnoid hemorrhage (aSAH). The objective of this meta-analysis was to determine whether different doses of clazosentan treatment significantly reduced the incidence of delayed ischemic neurological deficits (DINDs) and new cerebral infarction (NCI). We systematically searched PubMed, Embase, Cochrane library and Medline from inception until October, 2015. All randomized controlled trials related to the functions of clazosentan in aSAH were included. Analyses were performed following the method guideline of Cochrane Back Review Group. Four randomized placebo-controlled trials met eligibility criteria and enrolled a total of 2159 patients. The meta-analysis demonstrated a significant decrease in the incidence of DINDs (relative risk, 0.49 and 95% CI, 0.33-0.73) and NCI (relative risk, 0.42 and 95% CI, 0.25-0.71) in patients treated with a high dose of clazosentan (15 mg/h) after aSAH. In addition, a high dose of clazosentan (15 mg/h) had no more effect on the incidence of adverse events than that of a low dose (1-5 mg/h). The results of the present meta-analysis show that a high dose of clazosentan significantly reduced the incidence of the vasospasm-related DINDs and NCI. Further study is required to fully understand the potential usefulness of clazosentan in patients with aSAH.
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http://dx.doi.org/10.1097/MJT.0000000000000432 | DOI Listing |
Purpose: In Armenia, a lower-middle-income country, cancer causes 21% of all deaths, with over half of cases diagnosed at advanced stages. Without universal health insurance, patients rely on out-of-pocket payments or black-market channels for costly immunotherapies, underscoring the need for real-world data to inform equitable policy reforms.
Methods: We conducted a multicenter, retrospective cohort study of patients who received at least one dose of an immune checkpoint inhibitor (ICI) between January 2017 and December 2023 across six Armenian oncology centers.
Chem Biodivers
September 2025
Instituto De Química, Universidade Federal de Mato Grosso Do Sul, Campo Grande, Brazil.
Mezilaurus duckei, a Brazilian endemic tree species found exclusively in the Amazon Rainforest, is primarily exploited for timber in construction. Due to its endangered status, this study aimed to investigate the chemical profile and biological properties of the ethanolic extract and its phases derived from M. duckei leaves.
View Article and Find Full Text PDFCardiovasc Res
September 2025
Center for Cardiovascular Research, Division of Cardiology, Department of Medicine, Washington University in Saint Louis, St. Louis, MO, USA.
Aims: Although the ability of the heart to adapt to environmental stress has been studied extensively, the molecular and cellular mechanisms responsible for cardioprotection are not yet fully understood. In this study, we sought to elucidate these mechanisms for cytoprotection using a model of stress-induced cardiomyopathy.
Methods And Results: We administered Toll-like receptor (TLR) agonists or diluent to wild-type mice and assessed for cardioprotection against injury from a high intraperitoneal dose of isoproterenol (ISO) administered 7 days later.
Pediatr Infect Dis J
September 2025
Division of General Pediatrics, Department of Pediatrics, Gynecology and Obstetrics, Unit of Immunology, Vaccinology, and Rheumatology, Geneva University Hospitals and University of Geneva, Geneva, Switzerland.
Background And Aims: Sickle cell disease (SCD) patients are at a higher risk of pneumococcal invasive diseases. Vaccination is the central strategy for protecting these children, along with penicillin prophylaxis. However, it is unclear how often these children should be revaccinated with pneumococcal vaccines.
View Article and Find Full Text PDFJCI Insight
September 2025
Division of Nephrology, Boston University Chobanian & Avedisian School of Medicine, Boston, United States of America.
Background: Active vitamin D metabolites, including 25-hydroxyvitamin D (25D) and 1,25-dihydroxyvitamin D (1,25D), have potent immunomodulatory effects that attenuate acute kidney injury (AKI) in animal models.
Methods: We conducted a phase 2, randomized, double-blind, multiple-dose, 3-arm clinical trial comparing oral calcifediol (25D), calcitriol (1,25D), and placebo among 150 critically ill adult patients at high-risk of moderate-to-severe AKI. The primary endpoint was a hierarchical composite of death, kidney replacement therapy (KRT), and kidney injury (baseline-adjusted mean change in serum creatinine), each assessed within 7 days following enrollment using a rank-based procedure.