Proposed rule · 2026-13821

Schedules of Controlled Substances: Placement of Tianeptine in Schedule I

The Drug Enforcement Administration proposes placing the substance tianeptine (7-[(3-chloro-6,11-dihydro-6-methyl-5,5- dioxidodibenzo[c,f][1,2]thiazepin-11-yl)amino]heptanoic acid), including its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers whenever the existence of such isomers, esters, ethers, salts, and salts of isomers, esters, and ethers is possible, in schedule I of the Controlled Substances Act. If finalized, this action would impose the regulatory controls and administrative, civil, and criminal sanctions applicable to schedule I controlled substances on persons who handle (manufacture, distribute, reverse distribute, import, export, engage in research, conduct instructional activities or chemical analysis with, or possess) or propose to handle tianeptine.