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Trade names | Equagesic |
Other names | Zactane |
Routes of administration | Oral |
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ECHA InfoCard | 100.000.917 |
Chemical and physical data | |
Formula | C16H23NO2 |
Molar mass | 261.365 g·mol−1 |
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Ethoheptazine[1] (trade name Zactane) is an opioid analgesic from the phenazepane family. It was invented in the 1950s[2] and is a ring expanded analogue of pethidine.[3]
Ethoheptazine produces similar effects to other opioids, including analgesia, sedation, dizziness and nausea.[4] It was sold by itself as Zactane, and is still available as a combination product with acetylsalicylic acid and meprobamate as Equagesic, which is used for the treatment of conditions where both pain and anxiety are present.[5] It was also investigated for use as an antitussive.[6]
It is no longer prescribed, as it is no longer FDA approved, and not available for United States' Pharmacy Processing. Revocation of FDA Approved Medications Status stems from a combination of efficacy vs. toxicity, and the more-varied and historically safer Benzodiazepines Class. Only reversal of the FDA's decision, allows removing the drug from the CSD. Ethoheptazine is not listed as a controlled substance under the Controlled Substances Act, 1970 in the United States.[7] The controlled status (Schedule IV) of Equagesic was due to the meprobamate content.[8][7] Regulation elsewhere varies.