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Effects of Mindfulness Training on Levels of Cortisol in Cancer Patients

机译：正念训练对癌症患者皮质醇水平的影响

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Objective: The aims of this study were to examine the effects of a mindfulness-based stress reduction (MBSR) training intervention among cancer patients on levels of salivary cortisol, and further to explore if changes in psychological variables mediate intervention effects on cortisol. Methods: Patients with a previous cancer diagnosis (n = 71) were recruited and randomized into an intervention group or a waiting-list control group. The intervention consisted of an 8-week MBSR training course. Results: There were no overall effects of the intervention on cortisol levels at 3-month or 6-month follow-up. However, a significant effect of moderation was found showing a different intervention effect on awakening cortisol among participants with varying baseline level of cortisol. Among those with initial low levels of cortisol, there was an increase from baseline to 3-month follow-up, and among those with initial high levels there was a decreased level of cortisol at 3-month follow-up. There was no association between changes in psychological outcomes and cortisol levels. Conclusions: The results suggest an adjustment of cortisol levels as a result of MBSR. The study gives preliminary support indicating that MBSR can influence the hypothalamic-pituitary-adrenocortical (HPA) axis functioning. The importance of these findings for future research in the field of mindfulness and stress reduction among cancer patients are discussed.
机译：目的：本研究的目的是检验癌症患者中基于正念的压力降低（MBSR）训练干预对唾液皮质醇水平的影响，并进一步探讨心理变量的变化是否介导对皮质醇的干预作用。方法：招募了先前有癌症诊断的患者（n = 71），并随机分为干预组或候补对照组。干预包括为期8周的MBSR培训课程。结果：在3个月或6个月的随访中，干预对皮质醇水平没有总体影响。然而，发现适度的显着效果表明，在基线皮质醇水平不同的参与者中，对唤醒皮质醇的干预效果不同。在最初的皮质醇水平较低的患者中，从基线到3个月的随访时间有所增加，而那些最初的皮质醇水平较高的患者在3个月的随访中皮质醇水平下降。心理结果的变化与皮质醇水平之间没有关联。结论：该结果表明由于MBSR导致皮质醇水平的调节。该研究提供了初步支持，表明MBSR可以影响下丘脑-垂体-肾上腺皮质（HPA）轴的功能。讨论了这些发现对癌症患者正念和减轻压力领域未来研究的重要性。

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