Paracetamol absorption kinetics show considerable variability in older adults, complicating the development of effective dosing regimens in the advanced-age population. In previous research, sparkling water has been shown to influence absorption-related processes. This study aimed to apply these findings to older adults and investigate the impact of sparkling water on absorption-related variability and early exposure. To this end, fourteen volunteers, with a median age of 72.5, were enrolled in a small-scale, randomised, controlled clinical trial with a cross-over design. A single immediate-release 500 mg paracetamol tablet was administered with sparkling or still water. Venous blood samples were collected regularly over 8 hours and analysed using HPLC-UV. Reduced variability of absorption-related parameters and a trend towards higher early exposure were observed in the sparkling water group, as demonstrated by a 1.6-fold increased AUC, a 2-fold reduced geometric coefficient of variation (GCV) for AUC, and a reduced median [interquartile range] T of 25.0 [20.0-30.0] min compared to 30.0 [25.0-45.0] min. Based on our findings, sparkling water as a real-life dosing condition might improve paracetamol absorption kinetics and early exposure in the advanced-age population.
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http://dx.doi.org/10.1016/j.ijpharm.2024.124482 | DOI Listing |
Isotopes Environ Health Stud
January 2025
Nakdong River Environment Research Center, National Institute of Environmental Research, Daegu, Republic of Korea.
Stable H-O and radiogenic Sr isotopic compositions of bottled water in South Korea were investigated to trace water origins and to elucidate hydrogeochemical water-rock interactions within aquifers. Eighty-one bottled water samples were collected across the country. The δD and δO values, and Sr/Sr ratios and Sr contents of groundwater-sourced bottled water samples were in the ranges of -68 to -40 ‰, -10 to -7 ‰, 0.
View Article and Find Full Text PDFNat Commun
January 2025
School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, China.
Accidental ingestion of lead (Pb)-contaminated soils represents a major route of Pb exposure for both adults and children, and the development of accessible and cost-effective solutions to reduce Pb poisoning is urgently required. Here, we present an effective and straightforward technique, involving the consumption of cola beverages, for the purpose of lowering blood Pb levels following the ingestion of contaminated soils in animal models. This method facilitated the direct passage of Pb in contaminated soil through the digestive system, enhancing its elimination without absorption into systemic circulation.
View Article and Find Full Text PDFEndocrinology
January 2025
Laboratory of Nutritional Biochemistry, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan.
The secretion of glucagon-like peptide-1 (GLP-1) is promoted by various nutrients, and glucose and fructose stimulate GLP-1 secretion via intracellular metabolism. D-Allulose (allulose), a non-metabolizable epimer of D-fructose, is also effective in stimulating GLP-1 secretion, although its underlying mechanism remains unclear. We previously observed intestinal distension after the oral administration of allulose, accompanied by increased GLP-1 secretion in rats, possibly because of the low or slow absorbability of allulose.
View Article and Find Full Text PDFInt Endod J
January 2025
Department of Integrated Clinical Procedures, School of Dentistry, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil.
Aim: This study aimed to evaluate the effects of chronic consumption of two sugar-sweetened carbonated soft drinks - one containing caffeine (Coca-Cola®) and one without (Sprite®) - on the progression of periapical lesions and the levels of pro-inflammatory cytokines in rats.
Methodology: Twelve Wistar rats were divided into three groups (n = 4): Control group, Coca-Cola group and Sprite group. The rats in Coca-Cola and Sprite groups were given ad libitum access to their respective soft drinks for 3 months, while the Control group received filtered water.
Braz Oral Res
January 2025
Universidade de São Paulo - USP, School of Dentistry, Department of Operative Dentistry, São Paulo, SP, Brazil.
The aim of this study was to assess the effect of a chlorhexidine digluconate solution (CHX) applied as an antiproteolytic agent for controlling erosive tooth wear or as part of the adhesive treatment on long-term bond strength to eroded dentin. Dentin specimens were abraded with a 600-grit silicon carbide (SiC) paper for 1 min (sound dentin - S), subsequently treated with 2% CHX for 1 min (with excess removed, followed by a 6-hour rest), and eroded by exposure to Coca-Cola for 5 min, three times a day, for 5 days (CHX-treated and eroded dentin - CHXE), or only eroded (eroded dentin - E). The specimens were acid-etched (15 s), rinsed (30 s), dried (15 s), and rehydrated with 1.
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