RecruitingNot ApplicableNCT07189442

L-theanine and Paraxanthine for Cognitive Improvement in Adults With ADHD and ASD

Combining L-theanine and Paraxanthine for Transient Improvement of Cognitive Deficits Among Patients With Attention Deficit Hyperactivity Disorder and Autism Spectrum Disorder: A Series of Translational Pilot Neuroimaging Studies

Sponsor

Texas Tech University Health Sciences Center

Enrollment

24 participants

Start Date

Oct 1, 2025

Study Type

INTERVENTIONAL

Conditions

Attention Deficit Hyperactivity Disorder (ADHD)Autism Spectrum Disorder (ASD)

Summary

This pilot study will test whether combining L-theanine and paraxanthine improves sustained attention, inhibitory control, and overall cognition in adults with ADHD and ASD. Two parallel randomized, single-blinded, repeated-measures crossover trials will be conducted. Participants will complete neuropsychological testing, fMRI scanning, and self-report measures following administration of the L-theanine-paraxanthine combination compared to placebo.

Eligibility

Sex: MALE

Plain Language Summary

Simplified for easier understanding

This clinical trial is studying L-theanine and paraxanthine and Placebo for people with attention deficit hyperactivity disorder (adhd) and autism spectrum disorder (asd). The study is currently recruiting participants at 1 location. People eligible for this study include men.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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