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An ETH-LAD trip with unfavourable consequences: A case report
Johannes Nadler1, Michaela Sommer1,2, Annette Zschiesche2,3
1Poisons Information Center Freiburg, Department of General Pediatrics, Adolescent Medicine and Neonatology, Center for Pediatrics, Faculty of Medicine, Medical Center - University of Freiburg, Freiburg, Germany.
British Journal of Clinical Pharmacology
|August 8, 2026
Summary
This case report details the first confirmed ingestion of ETH-LAD, a novel psychoactive substance. Unlike LSD, ETH-LAD caused severe toxicity and persistent psychosis, necessitating intensive medical care.
Area of Science:
- Forensic Toxicology
- Psychopharmacology
- Emergency Medicine
Background:
- Lysergic acid diethylamide (LSD) analogues are numerous but poorly studied.
- ETH-LAD (6-ethyl-6-nor-lysergic acid diethylamide) is an N-ethyl derivative of LSD.
- Limited systematic investigation exists for many LSD analogues.
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