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Pharmacokinetics of remimazolam, midazolam and diazepam in sheep.
Vet Anaesth Analg
December 2024
Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, USA; Kenneth L. Maddy Equine Analytical Chemistry Laboratory, School of Veterinary Medicine, University of California, Davis, CA, USA.
Objective: To model pharmacokinetics of three benzodiazepines and their metabolites in sheep.
Study Design: A nonblinded, prospective, experimental study.
Animals: A group of six adult Hampshire-Suffolk cross-bred sheep (three females, three castrated males), 73 ± 3 kg (mean ± standard deviation).
Programmable Porous Silicon Microparticles for Temporally Staged Drug Delivery in Combination Cancer Immunotherapy.
ACS Appl Mater Interfaces
January 2025
Center for Genomic Integrity, Institute for Basic Science, Ulsan 44919, Republic of Korea.
Combination therapies using checkpoint inhibitors with immunostimulatory agonists have attracted great attention due to their synergistic therapeutic effects for cancer treatment. However, such combination immunotherapies require specific timing of doses to show sufficient antitumor efficacy. Sequential treatment usually requires multiple administrations of the individual drugs at specific time points, thus increasing the complexity of the drug regimen and compromising patient compliance.
View Article and Find Full Text PDFFractional flow reserve (FFR) and index of microcirculatory resistance (IMR) relationship in patients with chronic or stabilized acute coronary syndromes.
Int J Cardiol
January 2025
Center of Excellence in Cardiovascular Sciences, Ospedale Isola Tiberina, Gemelli Isola, Via di Ponte Quattro Capi, 39, 00186 Rome, Italy; Department of Cardiovascular and Pneumological Sciences, Università Cattolica del Sacro Cuore, Largo Agostino Gemelli, 8, 00168 Rome, Italy. Electronic address:
Aims: To investigate the influence of index of microcirculatory resistance (IMR) on fractional flow reserve (FFR) and adenosine-induced hyperemia (ΔPd/Pa-FFR) in patients with chronic (CCS) or stabilized acute coronary syndromes (ACS), utilizing various IMR threshold values.
Methods: Data were extracted from two ongoing Italian registries involving patients with CCS or stabilized ACS who underwent a #FullPhysiology approach [Pd/Pa, FFR, IMR, coronary flow reserve (CFR)] by bolus thermodilution technique in the left anterior descending artery. Correlations between IMR and both FFR and ΔPd/Pa-FFR were analyzed both globally and within three IMR-defined groups: Group 1 (IMR <25), Group 2 (25 ≤ IMR <40), and Group 3 (IMR ≥40).
Assessment of a 6-arylaminobenzamide lead derivative as a potential core scaffold for S1P positron emission tomography radiotracer development.
Bioorg Med Chem
January 2025
University/BHF Centre for Cardiovascular Sciences, University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ UK; Edinburgh Imaging, University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ UK. Electronic address:
Sphingosine-1-phosphate-5 receptors (S1P) are predominantly expressed in oligodendrocytes and as a result have been proposed as an important target in Multiple Sclerosis (MS). Selective S1P radiotracers could enable in vivo positron emission tomography (PET) imaging of oligodendrocytes activity. Here we report the synthesis, radiolabelling and first preclinical evaluation of the pharmacokinetics and binding properties of a lead 6-arylaminobenzamide derivative, 6-(mesitylamino)-2-methoxy-3-methylbenzamide (also named as TEFM180), as a potential core scaffold for development of novel S1P PET radiotracers.
View Article and Find Full Text PDFPharmacokinetic Study of Ginkgolide B in Dog After Intravenous Administration.
Biomed Chromatogr
February 2025
Department of Pharmacy, Xuzhou Central Hospital, Xuzhou, China.
Article Synopsis
- Ginkgolide B (GB), found in Ginkgo biloba, shows promise in treating cognitive declines, but its pharmacokinetics were poorly understood.
- A new LC-MS/MS method allowed for precise measurement of GB in dog plasma, using a liquid-liquid extraction technique.
- The study revealed that GB's pharmacokinetics in dogs are dose-proportional, providing valuable insights for future clinical applications.
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