Legal status by country
Is ARD-101 legal?
Written by Aaron CuhaReviewed Sep 2026
How ARD-101 is classified in the United States, United Kingdom, Australia and Canada, side by side. Each country has its own page with a direct answer, the regulator's approval status and what the classification means in practice.
All four countries, side by side
| Attribute | United States · FDA | United Kingdom · MHRA | Australia · TGA | Canada · Health Canada |
|---|---|---|---|---|
| Status | Not approved | Not approved | Not approved | Not approved |
| Classification | Not approved; research use only | Not licensed | Not approved | Not approved |
| Note | Both phase 3 trials in Prader-Willi syndrome are terminated. Not approved and not available. | None recorded | None recorded | None recorded |
US FDA status: Never approved. Both phase 3 trials in Prader-Willi syndrome carry status TERMINATED on ClinicalTrials.gov.. Reviewed Sep 2026.
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General information current as of Sep 2026, not legal advice. Classifications change; confirm with the regulator or a lawyer for a specific situation. Educational use only. This database summarizes published research. It is not medical advice and contains no dosing protocols or recommendations for personal use. The Longevity Archive has no vendor relationships.