Plain-English translation of NCT07189442 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
This study doesn't follow the usual testing phases — it may be an observational study or a different type of research.
This trial is testing whether L-theanine and paraxanthine — two natural compounds found in tea and coffee — can help adults with attention deficit hyperactivity disorder (ADHD) or autism spectrum disorder (ASD) improve their ability to focus and think clearly. Researchers believe this medication might offer a safer, more affordable alternative to traditional ADHD medications. The study will measure how well the medication works using brain imaging and thinking tests.
Many people with ADHD and autism struggle with focus and impulse control, but standard medications can have side effects and addiction risks. This trial explores whether this treatment — made from affordable, natural ingredients — could help without those concerns.
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You will visit the research center three times. At the first visit, you'll have an MRI brain scan and complete some thinking and attention tests. At your second and third visits (on separate days), you'll swallow a capsule — one will contain the medication being tested, and one will be a placebo (dummy pill) — and then complete more brain imaging and thinking tests while researchers measure how your brain responds. The study team will randomly decide which capsule you receive on each visit so neither you nor the researchers will know which is which.
AI-generated summary from trial data · Jun 2, 2026 · Not medical advice
United States