Synthesis and biological evaluation of novel and potent cyclohexylamine-based histamine H3 receptor inverse agonists are described. Compounds in this newly identified series exhibited subnanomolar binding affinities for human receptor and no significant interaction with hERG channel. One derivative (10t) demonstrated enhanced in vivo efficiency and preferential brain distribution, both properties suitable for potential clinical evaluation.
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http://dx.doi.org/10.1016/j.bmcl.2011.06.102 | DOI Listing |
World J Clin Oncol
January 2025
Department of Supportive Oncology, Atrium Health Levine Cancer, Charlotte, NC 28204, United States.
Background: Proton pump inhibitors (PPIs) are widely used, including among cancer patients, to manage gastroesophageal reflux and other gastric acid-related disorders. Recent evidence suggests associations between long-term PPI use and higher risks for various adverse health outcomes, including greater mortality.
Aim: To investigate the association between PPI use and all-cause mortality among cancer patients by a comprehensive analysis after adjustment for various confounders and a robust methodological approach to minimize bias.
Otolaryngol Head Neck Surg
January 2025
Department of Otolaryngology-Head and Neck Surgery, Penn State College of Medicine, Hershey, Pennsylvania, USA.
Objective: The objective of this study is to examine the risk of hypocalcemia after thyroidectomy in patients taking histamine-2 receptor antagonists.
Study Design: Retrospective cohort study.
Setting: Multicenter, single database.
Clin Pharmacol Drug Dev
January 2025
Gilead Sciences, Inc., Foster City, CA, USA.
Lenacapavir is a potent, long-acting HIV-1 capsid inhibitor used in combination with other antiretrovirals to treat HIV-1 infection. The pharmacokinetics of orally administered drugs may be affected by food intake or coadministration of acid-reducing agents (ARA). Two Phase 1 studies were conducted on healthy participants to evaluate the effect of food and the impact of the histamine H-receptor antagonist famotidine in parallel cohorts.
View Article and Find Full Text PDFImmunopharmacol Immunotoxicol
January 2025
Department of Pharmacy, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China.
Objectives: Chitosan is widely used in medicine to regulate immune responses in T cells and dendritic cells. However, research on the regulation of mast cells (MCs) is scarce. Mas-related G-protein-coupled receptor X2 (MRGPRX2) is a key receptor that mediates MC activation.
View Article and Find Full Text PDFBr J Clin Pharmacol
January 2025
College of Pharmacy, Pusan National University, Busan, Republic of Korea.
Aims: We aimed to examine the recent trends in the use of acid suppression therapies, including proton pump inhibitors (PPIs), histamine-2 receptor antagonists (H2RAs) and potassium-competitive acid blockers (P-CABs), in patients undergoing dual antiplatelet therapy (DAPT) as aspirin-clopidogrel following coronary stent implantation in South Korea between 2018 and 2022.
Methods: This observational study analysed data from the Health Insurance Review and Assessment Service (HIRA) on patients who underwent coronary stent implantation and received aspirin-clopidogrel DAPT. Patients who received acid suppression therapy for >60 days during DAPT were included in the analysis.
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