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

> **NCT07189442** · NA · RECRUITING · sponsor: **Texas Tech University Health Sciences Center** · enrollment: 24 (estimated)

## Conditions studied

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

## Interventions

- **DIETARY_SUPPLEMENT:** L-theanine and paraxanthine
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT07189442
- **Lead sponsor:** Texas Tech University Health Sciences Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-10-01
- **Primary completion:** 2026-06-01
- **Final completion:** 2026-06-01
- **Target enrollment:** 24 (ESTIMATED)
- **Last updated:** 2026-02-05

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07189442

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07189442, "L-theanine and Paraxanthine for Cognitive Improvement in Adults With ADHD and ASD". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT07189442. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*