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Drug Names(s): OX51
Description: OX51 is a reformulation of alfentanil for the treatment and prevention of acute intense pain episodes in opioid-tolerant and opioid-naïve patients treated in the hospital setting. Alfentanil is a potent but short-acting synthetic opioid analgesic drug, used for anaesthesia in surgery. It is an analogue of fentanyl with around 1/4 the potency of fentanyl and around 1/3 of the duration of action, but with an onset of effects 4x faster than fentanyl. It is an OP3 mu-agonist. To date, no one has yet made alfentanil available in an oral tablet formulation.
Deal Structure: Orexo owns all commercial rights to OX51 globally.
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