Back كارفينتانيل Arabic کارفنتانیل AZB Karfentanil Czech Carfentanyl German Carfentanilo Spanish Karfentanilo Basque کارفنتانیل Persian Karfentaniili Finnish Carfentanil French Carfentanil Italian
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| Trade names | Wildnil |
| Other names | (4-Methoxycarbonyl)fentanyl, R-33799 |
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| Elimination half-life | 7.7 hours |
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| ECHA InfoCard | 100.352.183 |
| Chemical and physical data | |
| Formula | C24H30N2O3 |
| Molar mass | 394.515 g·mol−1 |
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Carfentanil or carfentanyl, sold under the brand name Wildnil, is an extremely potent opioid analgesic used in veterinary medicine to anesthetize large animals such as elephants and rhinoceroses.[1] It is typically administered in this context by tranquilizer dart.[1] Carfentanil has also been used in humans to image opioid receptors.[1] It has additionally been used as a recreational drug, typically by injection, insufflation, or inhalation.[1] Deaths have been reported in association with carfentanil.[1][2]
Effects and side effects of carfentanil in humans are similar to those of other opioids and include euphoria, relaxation, pain relief, pupil constriction, drowsiness, sedation, slowed heart rate, low blood pressure, lowered body temperature, loss of consciousness, and suppression of breathing.[1] The effects of carfentanil, including overdose, can be reversed by the opioid antagonists naloxone and naltrexone, though higher doses than usual may be necessary compared to other opioids.[1][2][3]: 23 Carfentanil is a structural analogue of the synthetic opioid analgesic fentanyl.[4] It acts as an ultrapotent and highly selective agonist of the μ-opioid receptor.[1]
Carfentanil was first synthesized in 1974 by a team of chemists at Janssen Pharmaceuticals which included Paul Janssen.[5] It was introduced into veterinary medicine in 1986.[1] Carfentanil is legally controlled in most jurisdictions.[2]
- ^ a b c d e f g h i Zawilska JB, Kuczyńska K, Kosmal W, Markiewicz K, Adamowicz P (March 2021). "Carfentanil – from an animal anesthetic to a deadly illicit drug". Forensic Science International. 320: 110715. doi:10.1016/j.forsciint.2021.110715. PMID 33581655. S2CID 231918983.
- ^ a b c Cite error: The named reference
pmid29367860was invoked but never defined (see the help page). - ^ "Report on the risk assessment of methyl 1-(2-phenylethyl)-4-[phenyl(propanoyl) amino]piperidine-4-carboxylate in the framework of the Council Decision on new psychoactive substances" (PDF). European Monitoring Centre for Drugs and Drug Addiction. 8 July 2018.
- ^ "Fentanyl drug profile". EMCDDA.
- ^ Stanley TH, Egan TD, Van Aken H (February 2008). "A tribute to Dr. Paul A. J. Janssen: entrepreneur extraordinaire, innovative scientist, and significant contributor to anesthesiology". Anesthesia and Analgesia. 106 (2): 451–62, table of contents. doi:10.1213/ane.0b013e3181605add. PMID 18227300. S2CID 20490363.