烟草加热系统使用2年以上后与吸烟相比,潜在危害生物标志物的差异:一个横截面研究
S Michael Ansari1, Patrice Leroy1, Guillaume de La Bourdonnaye1
1PMI R&D, Philip Morris Products S.A, Neuchâtel, Switzerland.
概括
与吸烟相比,切换到烟草加热系统 (THS) 显著改善了健康生物标志物. 吸烟者和前吸烟者表现出类似的健康标志物,这表明可能减少烟草的危害.
科学领域:
- 烟草减少危害的战略
- 潜在危害的生物标志物 (BoPH) 评估.
- 在尼古丁产品使用者中比较健康结果.
背景情况:
- 非燃烧产品正在成为不愿戒烟的吸烟者的烟草危害减轻工具.
- 与香烟烟雾相比,烟草加热系统 (THS) 显著减少了有害成分.
- 之前的研究表明,THS使用者改善了BoPH水平,这表明吸烟相关疾病风险降低.
研究的目的:
- 评估与继续吸烟相比,转换为THS对健康的影响.
- 评估当前吸烟者,THS使用者和前吸烟者之间潜在危害生物标志物 (BoPH) 的差异.
- 提供关于THS使用的长期影响的真实证据.
主要方法:
- 一项涉及982名健康参与者的横截面研究:目前的吸烟者,THS使用者和前吸烟者.
- 对9个关键BoPH的血液和尿液样本进行检测.
- 同一主要终点包括碳氧血球蛋白,一种特定的尼托胺代谢物,白细胞和氧化应激标志物.
主要成果:
- 与目前的吸烟者相比,THS使用者在所有9个评估的BoPH中都表现出统计学上显著的有利差异.
- THS使用者的健康标志物形状与前吸烟者的健康标志物形状非常相似.
- 在多个健康领域观察到BoPH的有利差异,包括心血管和呼吸功能.
结论:
- 在现实环境中,在至少两年内自愿切换到THS,与继续吸烟相比,BoPH的明显改善有关.
- 这些发现支持THS作为成人吸烟者潜在的减少危害的替代方案.
- 这项研究提供了强有力的证据,证明THS使用在减少暴露于吸烟相关毒素方面对健康有有利影响.
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