Effects of Neurexan ® in an experimental acute stress setting - An explorative double-blind study in healthy volunteers

Life Sciences
B K DoeringM Schedlowski

Abstract

The objective of this study was to assess the efficacy profile of Nx4 (Neurexan ®) in an acute experimental stress setting. An acute stress reaction is a biopsychological condition arising in response to an event that is individually regarded as emotionally stressful. Medications can mitigate stress perception and stress reactions, but may also have side effects. Sixty-four healthy male and female volunteers participated in this prospective two-arm two-site study following an explorative randomized placebo-controlled double-blind study design. Participants took six tablets of either Nx4 or placebo during a time period of 2.5h before exposure to an acute psychological stressor (Trier Social Stress Test), and were subsequently monitored for 1.5h. Subjective stress ratings as well as cardiovascular and neuroendocrine parameters were analyzed before and after stress exposure. All changes in primary and secondary efficacy parameters corresponded well with the experimental acute stress setting. Nx4 did not affect subjective stress ratings but significantly diminished stress-induced increases in salivary cortisol and plasma adrenaline. Nx4 was as safe as placebo and very well tolerated. The results suggest an attenuated neuroendocrine...Continue Reading

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