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Caffeine group for Stress

N/A
Waitlist Available
Research Sponsored by Texas State University
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
free from any known cardiovascular or metabolic diseases,
apparently healthy, aged 18-40,
Timeline
Screening 3 weeks
Treatment Varies
Follow Up up to 10 months
Awards & highlights

Study Summary

This trial will look at how caffeine, theanine, and tyrosine may reduce stress in college-aged individuals exposed to a mental stress task.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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You do not have any known heart or metabolism-related conditions.
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You are a healthy person between the ages of 18 and 40.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~up to 10 months
This trial's timeline: 3 weeks for screening, Varies for treatment, and up to 10 months for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
State anxiety inventory
Heart rate
Salivary alpha-Amylases
+2 more
Secondary outcome measures
Stroop challenge number of incorrect
Stroop challenge number of missed responses
Stroop challenge response time
+3 more

Trial Design

4Treatment groups
Experimental Treatment
Placebo Group
Group I: Tyrosine groupExperimental Treatment1 Intervention
2000 mg pure tyrosine powder (Hard Eight Nutrition, LLC, dba, Bulk Supplements, Henderson, Nevada) +8 oz water + 0.5 tsp crystal light will be ingested.
Group II: Theanine groupExperimental Treatment1 Intervention
200mg pure theanine powder (Hard Eight Nutrition, LLC, dba, Bulk Supplements, Henderson, Nevada) + 8 oz water+ 0.55 tsp crystal light will be ingested.
Group III: Caffeine groupExperimental Treatment1 Intervention
Subjects will receive 200 mg of caffeine powder which was obtained from a 200 mg capsule (Hard Eight Nutrition, LLC, dba, Bulk Supplements, Henderson, Nevada). Researchers will break open the capsule and mix with water and 5/8 tsp of crystal light immediately before subjects ingest the randomly assigned treatment.
Group IV: PlaceboPlacebo Group1 Intervention
flavored water (sweetened with crystal light powder, 0.5 tsp) will be provided to subjects without any caffeine powder added.

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Who is running the clinical trial?

C. DillardUNKNOWN
1 Previous Clinical Trials
60 Total Patients Enrolled
M. Hunter MartaindaleUNKNOWN
1 Previous Clinical Trials
60 Total Patients Enrolled
Texas State UniversityLead Sponsor
14 Previous Clinical Trials
1,357 Total Patients Enrolled

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What is the participant count for this clinical investigation?

"Affirmative. According to clinicaltrials.gov, this medical project is open for recruitment with the initial post date on January 25th 2022 and most recent update occurring October 20th 2022. The study aims to recruit 120 patients from a single site."

Answered by AI

Who is eligible to partake in this clinical experiment?

"This clinical trial seeks 120 individuals aged 18 to 40 who are enduring psychological stress and meet the following eligibility criteria: in good health, no cardiovascular or metabolic ailments, without any recent major life events (i.e., birth of a child, abortion, divorce) within 30 days prior."

Answered by AI

Does this clinical trial include enrollment of participants over 35 years old?

"This trial is open to any patients aged between 18 and 40. For younger participants, there are 3 additional studies available; for those over 65, 11 other trials may be suitable."

Answered by AI

Is recruitment still continuing for this research inquiry?

"Affirmative. According to clinicaltrials.gov, this trial was initially posted on January 25th 2022 and has been actively recruiting participants since then. The research team is seeking 120 volunteers from a single site in order to reach their desired sample size."

Answered by AI

What is the desired outcome of this trial?

"The main metric measured in this clinical trial over a 10 month period is salivary secretory IgA. Secondary endpoints include the number of incorrect responses and response time on the Stroop challenge, as well as mental arithmetic calculations such as correct and missed responses with associated timing data collected via e-Prime 2 software (Psychology Software Tools, Inc., Pittsburgh, PA)."

Answered by AI
~34 spots leftby Mar 2025