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alfaxalone, alphaxalone

one of the two pregnanediones in Saffan, the steroidal anesthetic used widely in cats. Called also steroid I.
References in periodicals archive ?
After intramuscular sedation (Ketamine/Ketasol-100[R] and Midazolam/ Dormicum[R]) anesthesia was induced with intravenous administration of alfaxalone (Alfaxan[R]); after endotracheal intubation anesthesia was maintained with sevoflurane (Sevoflurane[R]) a popliteal nerve block (lidocaine 2%/Xylocaine 2%) as well as fentanyl (Fentanyl[R]) CRI ensured perioperative analgesia.
Used since the 1970s as an avian anesthetic, the neurosteroid alfaxalone has been reformulated to avoid side effects from its castor oil excipient.