Comparison of Plasma Caffeine Concentration After Oral Consumption of Caffeinated Beverages With Varied Bioactive Compounds in Healthy Volunteers
Abstract
This is a Phase 1, double blind, randomized, controlled, cross-over trial.
The primary outcome is to quantify the incremental area-under-the-concentration-curve (iAUC) for plasma caffeine after oral consumption of caffeinated beverages with various bioactive compounds vs. caffeine alone, in 16 healthy volunteers
Secondary outcomes are caffeine concentration at each time point from pre-dose baseline to 3.5 hrs post-dose, peak caffeine concentration (Cmax), time to maximum caffeine concentration (Tmax) and return to baseline concentration (TBR) for plasma caffeine
Other outcomes are ratings of physiological symptoms and mood, assessed using visual analog scales (VAS).
Polyphenol food frequency questionnaire data at screening will be collected as a possible co-variate.
Conditions: Plasma Caffeine Concentration.
Primary outcome: Incremental area-under-the-concentration-curve (iAUC).
Enrollment: 16 participants.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 16 participants or records.
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