Adverse analytical finding with trimetazidine after ingesting contaminated melatonin tablets sold in pharmacies… leading to the suspension of the athlete

Clin Chem Lab Med. 2025 Sep 18;64(2):e34-e36. doi: 10.1515/cclm-2025-1185. Print 2026 Jan 29.

Authors

Jean-Claude Alvarez¹, Pascal Kintz², Isabelle Etting¹

Affiliations

¹ Department of Pharmacology and Toxicology, Raymond Poincaré Hospital, GHU AP-HP.Paris-Saclay and Paris-Saclay University, UVSQ, Inserm U-1018, CESP, Team MOODS, Garches, France.
² X-Pertise Consulting, Mittelhausbergen, France.

PMID: 40968009
DOI: 10.1515/cclm-2025-1185

No abstract available

Keywords: adverse analytical finding; doping; hair; melatonin medicine; trimetazidine.

Publication types

Letter