← Back to Search

Herbal Extract

Gel capsule for Attention Deficit Disorder

N/A
Waitlist Available
Led By Dawn Beckman, MD
Research Sponsored by PepsiCo Global R&D
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be between 18 and 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up change from pre-dose baseline to 60 minutes and 120 minutes post-guayusa consumption compared to placebo
Awards & highlights

Study Summary

This trial is assessing the effects of guayusa on alertness and mental fatigue compared to a placebo, using the COMPASS cognitive task, CDB, and mood, motivation, and energy measures.

Eligible Conditions
  • Attention Deficit Disorder

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~change from pre-dose baseline to 60 minutes and 120 minutes post-guayusa consumption compared to placebo
This trial's timeline: 3 weeks for screening, Varies for treatment, and change from pre-dose baseline to 60 minutes and 120 minutes post-guayusa consumption compared to placebo for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Other outcome measures
Cognitive Testing
Cognitive memory test: Words
Cognitive test RVIP
+5 more

Trial Design

3Treatment groups
Experimental Treatment
Placebo Group
Group I: Active capsule 2: Higher dose guayusa ingredientExperimental Treatment1 Intervention
Oral administration of 300 mg guayusa extract providing 60 mg caffeine
Group II: Active capsule 1: Lower dose guayusa ingredientExperimental Treatment1 Intervention
Oral administration of 175 mg guayusa extract providing 35 mg caffeine
Group III: Placebo capsulePlacebo Group1 Intervention
Oral administration of 0 mg guayusa extract, 0 mg caffeine. Capsule color-matched to actives 1 and 2 to disguise potential differences in color of contents.

Find a Location

Who is running the clinical trial?

PepsiCo Global R&DLead Sponsor
89 Previous Clinical Trials
12,601 Total Patients Enrolled
Dawn Beckman, MDPrincipal InvestigatorMérieux NutriSciences
8 Previous Clinical Trials
425 Total Patients Enrolled

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.
Recent research and studies
clinicaltrials.govStudy
Guayusa: The Effect of an Herbal Extract on Alertness and Mental Fatigue
2022. "Guayusa: The Effect of an Herbal Extract on Alertness and Mental Fatigue". ClinicalTrials.gov. https://clinicaltrials.gov/ct2/show/NCT05530915.
~22 spots leftby Apr 2025
Unbiased ResultsWe believe in providing patients with all the options.
Your Data Stays Your DataWe only share your information with the clinical trials you're trying to access.
Verified Trials OnlyAll of our trials are run by licensed doctors, researchers, and healthcare companies.
Back to top