Clinical trials: Alertness
Mental Fatigue, Alertness
Effect of Coffeeberry on Mood and Cognitive Performance
The primary aim of this randomised, double-blind, placebo-controlled, cross-over study is to assess the short-term cognitive effects of two beverages containing 100 and 300 mg coffeeberry extract (obtained from the fruit of the…
- Conditions
- Mental Fatigue, Alertness, Mood, Cognition
- Trial name
- NCT04975802
- Testing
- Coffeeberry, Caffeine
- Where
- United Kingdom
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Fatigue, Mental Alertness
A Study to Evaluate the Effect of EnXtra® and EnXtra® + Caffeine on Mental Alertness and Fatigue in Healthy Individuals
Acute Stage: The present study is a randomized, double-blind, placebo-controlled, single-dose, 4-way, cross-over, study. Approximately not more than 170 individuals will be screened and considering a screening failure rate of…
- Trial name
- NCT06560008
- Testing
- EnXtra® (300 mg) + Caffeine (200 mg)
- Where
- 3 sites in India
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Vedic Lifesciences Pvt. Ltd.
Attention, Memory
A Randomized, Placebo-Controlled, Double-Blind, Crossover Study to Evaluate the Effects of Three Doses of the Dietary Supplement oréVida™ on Alertness, Attention and Concentration in Healthy Men and Women
The purpose of this study is to investigate the effects of the dietary supplement oréVida™ (active ingredient on the basis of a culinary herb)administered twice daily in an acute study on an improvement in vigilance, attention…
- Conditions
- Attention, Memory, Alertness
- Trial name
- NCT01143194
- Testing
- oréVida™
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- dsm-firmenich Switzerland AG
Sleep Deprivation, Sleep Restriction
Acoustic Stimulation During Restricted Sleep After Sleep Deprivation
The purpose of this study is to determine if brief sounds or tones presented within a restricted period of recovery sleep after a period of sleep deprivation will enhance restorative properties and improve performance during a…
- Conditions
- Sleep Deprivation, Sleep Restriction, Acoustic Stimulation, Performance
- Trial name
- NCT05309473
- Testing
- Philips SmartSleep Acoustic Stimulation Device
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Walter Reed Army Institute of Research (WRAIR)
Daytime Cognitive Performance, Sleep
The Impact of Light Intensity in Home Workplaces on Remote Workers' Health
The lockdowns and restrictions associated with the COVID-19 have created a seismic shift in where work is done. Prior to the pandemic, approximately 20% of individuals were working from home while during the pandemic, more than…
- Conditions
- Daytime Cognitive Performance, Sleep, Alertness
- Trial name
- NCT05260801
- Testing
- Bright Lighting
- Volunteers
- healthy volunteers welcome
- Sponsor
- Arizona State University
Theanine, (L)-Isomer
The Effect of the Amino Acid L-Theanine on Alertness and Vigilance
The amino acid l-theanine (the active ingredient in green tea) is considered to have a calming effect without causing sleepiness.
- Trial name
- NCT01851122
- Testing
- L-theanine capsule
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Sleep Duration, Psychomotor Performance
Effect of a Wrist-worn Device That Produces a Small Vibration on Sleep and Performance That Can Occur During and After Night Shift Work
The overarching goal of this research study is to determine "proof of concept" of effect of a non-invasive sleep aid device on sleep and performance during sleep opportunities (naps) that occur during and after simulated night…
- Trial name
- Sleep-Vibe (NCT06665672)
- Testing
- Wrist worn vibro-acoustic device
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Daniel Patterson, PhD, NRP
Alert Fatigue, Health Personnel
Study to Evaluate Efficacy of EnXtra on Accuracy & Reaction Time, Perceived Alertness & Digital Fatigue for Video Gamers
In the present study, Sponsor aim to evaluate the effects of EnXtra® as to improve Accuracy \& Reaction Time, Perceived Alertness \& Digital Fatigue for Video Gamers.
- Trial name
- NCT05586880
- Testing
- Experimental: EnXtra 300 mg/ capsule, Microcrystalline cellulose (MCC) 300mg
- Where
- 2 sites in India
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Vedic Lifesciences Pvt. Ltd.
Cognitive Performance, Attention
Effects of Caffeine on Chess Performance and Cognitive Function in Professional Chess Players
This study will examine whether caffeine improves cognitive and competitive performance in professional chess players during tournament-style games.
- Conditions
- Cognitive Performance, Attention, Reaction Time, Caffeine
- Trial name
- GRANDMASTER (NCT07641335)
- Testing
- Caffeinated Coffee
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- St. Louis University
Abdominal Obesity
Effects of Weight Reduction on Sleep and Alertness in Long-distance Truck and Bus Drivers
The study is a year-long health-behaviour intervention in obese, male truck-drivers to lose weight moderately by 10%, using monthly individual counseling.
- Trial name
- SF-Truck (NCT00893646)
- Testing
- weight loss counseling
- Where
- 3 sites in Finland
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- UKK Institute
Human Sleep and Chronobiology
Benefits and Risks of Artificial Light Exposure: Characterisation of Effects on Alertness, Sleep, Cognitive Performance, Mood and Biological Rhythms
The purpose of this project is to study the influence of light on sleep, wakefulness, EEG activity and cognitive performances.
- Trial name
- LumEnColor (NCT05232383)
- Testing
- polychromatic light, red light, green light
- Where
- France
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Non-visual Effects of Light
Effect of Lighting Supplementation on Daytime Cognition
The aim of the study is to examine the efficacy of supplementing sub-optimal ambient room lighting with a task lamp on working memory and procedural learning.
- Trial name
- NCT04745312
- Testing
- Visible light
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Non-visual Photoreception
Investigating the Effects of Evening Light Exposure on Melatonin Suppression, Alertness and Nocturnal Sleep
The timing and quality of sleep is governed by environmental and physiologic factors. Environmental factors, especially ambient lighting can impact the circadian system and alter the timing and structure of sleep.
- Trial name
- NCT01586039
- Testing
- Visible light
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Sleep, Alertness, Fatigue, Mood, and Performance
Circadian-informed Optimal Bedtime
The goal of this interventional study is to test whether circadian-informed bedtime recommendations can improve sleep, next-day psychomotor vigilance, and subjective well-being among healthy adults.
- Conditions
- Sleep, Alertness, Fatigue, Mood, and Performance, Well-being
- Trial name
- LS4 (NCT07889466)
- Testing
- Optimal Bedtime
- Where
- United States
- Volunteers
- 203 people, healthy volunteers welcome
- Sponsor
- Massachusetts Institute of Technology
Light Flashing
Effect of Different Color Lights on the Internal Clock and Alertness in Humans
The main aim of this study is to investigate the effects of cone-modulated light emitted from a visual display on human circadian physiology and cognitive performance in the evening.
- Trial name
- CONE (NCT05423002)
- Testing
- Flickering light stimuli, Constant light stimuli, Dim light
- Where
- Switzerland
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- University of Basel
Sleep, Sleep Disturbance
Sounds Locked to ElectroEncephalogram Phase For the Acceleration of Sleep Onset Time
This study seeks to test whether auditory stimulation delivered at specific phases of the alpha oscillation (as measured by electroencephalogram) can accelerate sleep onset.
- Trial name
- SLEEPFAST (NCT05743114)
- Testing
- Elemind Neuromodulation (ENMod)
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Elemind Technologies, Inc.