Introduction: Heating rather than burning tobacco reduces levels of harmful and potentially harmful constituents, and consumer products using this approach aim to reduce exposure to tobacco toxicants. The Tobacco Heating System (THS) version 2.1 has been enhanced from earlier prototypes with an improved heat control and sensorial experience and thereby user acceptance.
View Article and Find Full Text PDFIntroduction: Tobacco harm reduction aims to provide reduced risk alternatives to adult smokers who would otherwise continue smoking combustible cigarettes (CCs). This randomized, open-label, three-arm, parallel-group, single-center, short-term confinement study aimed to investigate the effects of exposure to selected harmful and potentially harmful constituents (HPHCs) of cigarette smoke in adult smokers who switched to a carbon-heated tobacco product (CHTP) compared with adult smokers who continued to smoke CCs and those who abstained from smoking for 5 days.
Methods: Biomarkers of exposure to HPHCs, including nicotine and urinary excretion of mutagenic material, were measured in 24-hour urine and blood samples in 112 male and female Caucasian smokers switching from CCs to the CHTP ad libitum use.
We performed a cross-sectional, multicentre study in Japan to detect the differences in biomarkers of exposure and cardiovascular biomarkers between smokers and non-smokers. Several clinically relevant cardiovascular biomarkers differed significantly between smokers and non-smokers, including lipid metabolism (high-density lipoprotein cholesterol concentrations - lower in smokers), inflammation (fibrinogen and white blood cell count - both higher in smokers), oxidative stress (8-epi-prostaglandin F2α - higher in smokers) and platelet activation (11-dehydro-thromboxane B2 - higher in smokers) (p ≤ 0.0001).
View Article and Find Full Text PDFRegul Toxicol Pharmacol
November 2012
The potential of a diclofenac-Na Emulgel (diclofenac gel) to alleviate the pain and associated symptoms caused by sunburn has been evaluated versus vehicle. Sunburn was induced on the buttock skin of healthy adult male subjects by irradiation with UVA + UVB rays. Investigational products were applied 6 and 10 h after irradiation, and efficacy was assessed on the basis of spontaneous and provoked pain, erythema, oedema, skin colour and temperature.
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