OBJECTIVE: The purpose of this double blind placebo controlled study was to examine if specific effects on subjective intoxication and alertness-sleepiness ratings could be demonstrated after consuming alcohol mixed with energy drink (AMED) when compared to consuming alcohol only (AO). METHODS:56 healthy volunteers rated their subjective intoxication on a scale ranging from 0 (sober) to 10 (highly intoxicated) at baseline, breath alcohol concentration (BAC) of 0%, and at BAC 0.08%, 0.05%, and 0.02%. Alertness-sleepiness was assessed with the Karolinska sleepiness scale. Scores of the AMED and AO condition, at each BAC level, were compared. RESULTS:Subjective intoxication for AMED and AO did not differ significantly from each other at any BAC level, except for BAC 0.02%. A significant increase in sleepiness scores was found in the AO condition, whereas scores remained stable in the AMED condition. Sleepiness scores at BAC0.08% and 0.05% were significantly lower after AMED when compared to AO. However, the observed differences between AMED and AO were small and have no clinical relevance. CONCLUSION:Mixing alcohol with energy drink had no overall masking effect on subjective intoxication caused by alcohol, nor had a relevant effect on subjective alertness-sleepiness ratings.
RCT Entities:
OBJECTIVE: The purpose of this double blind placebo controlled study was to examine if specific effects on subjective intoxication and alertness-sleepiness ratings could be demonstrated after consuming alcohol mixed with energy drink (AMED) when compared to consuming alcohol only (AO). METHODS: 56 healthy volunteers rated their subjective intoxication on a scale ranging from 0 (sober) to 10 (highly intoxicated) at baseline, breath alcohol concentration (BAC) of 0%, and at BAC 0.08%, 0.05%, and 0.02%. Alertness-sleepiness was assessed with the Karolinska sleepiness scale. Scores of the AMED and AO condition, at each BAC level, were compared. RESULTS: Subjective intoxication for AMED and AO did not differ significantly from each other at any BAC level, except for BAC 0.02%. A significant increase in sleepiness scores was found in the AO condition, whereas scores remained stable in the AMED condition. Sleepiness scores at BAC0.08% and 0.05% were significantly lower after AMED when compared to AO. However, the observed differences between AMED and AO were small and have no clinical relevance. CONCLUSION: Mixing alcohol with energy drink had no overall masking effect on subjective intoxication caused by alcohol, nor had a relevant effect on subjective alertness-sleepiness ratings.
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