Dezocine

Dezocine, sold under the brand name Dalgan, is an atypical opioid analgesic which is used in the treatment of pain. It is used by intravenous infusion and intramuscular injection.

Dezocine
Clinical data
Trade namesDalgan
Other namesWY-16225
AHFS/Drugs.comMicromedex Detailed Consumer Information
Routes of
administration
Intravenous infusion, intramuscular injection
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
Pharmacokinetic data
MetabolismHepatic
Elimination half-life2.2 hours
Identifiers
  • (5R,11S,13R)-13-Amino-5-methyl-5,6,7,8,9,10,11,12-octahydro-5,11-methanobenzo[10]annulen-3-ol
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC16H23NO
Molar mass245.366 g·mol−1
3D model (JSmol)
SMILES
  • Oc1ccc2c(c1)[C@@]3(C)CCCCC[C@@H](C2)[C@H]3N
  • InChI=1S/C16H23NO/c1-16-8-4-2-3-5-12(15(16)17)9-11-6-7-13(18)10-14(11)16/h6-7,10,12,15,18H,2-5,8-9,17H2,1H3/t12-,15-,16+/m0/s1 Y
  • Key:VTMVHDZWSFQSQP-VBNZEHGJSA-N Y
 NY (what is this?)  (verify)

Dezocine is an opioid receptor modulator, acting as a partial agonist of the μ- and κ-opioid receptors. It has a similar profile of effects to related opioids acting at the μ-opioid receptor, including analgesia and euphoria. Unlike other opioids acting at the κ-opioid receptor however, dezocine does not produce side effects such as dysphoria or hallucinations at any therapeutically used dose.

Dezocine was first synthesized in 1970. It was introduced for medical use in the United States in 1986 but was not marketed in other countries. Dezocine was discontinued in the United States in 2011 with no official reason given. However, it has become one of the most widely used analgesics in China. In light of the opioid epidemic, dezocine has seen a resurgence in use and interest.

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