Brorphine

Common card · No. 364651

Brorphine is a piperidine-based opioid analgesic compound. Brorphine was originally described in a 2018 paper investigating functionally biased opioid compounds, with the intention of finding safer analgesics that produce less respiratory depression than typical opioids. Brorphine was originally reported to be highly biased, with an EC50 of 4.8nM for GTPγS binding and 182nM for β-arrestin recruitment, however a more recent study found no significant bias for any of the compounds tested, including brorphine. Its safety profile in any animal model has never been established. In a study involving human lymphoblastoid TK6 cells looking at the possible mutagenic effect of several orphine analogues, brophine was shown to have a marked cytostatic effect but no mutagenic properties. Despite the lack of safety information on the compound, brorphine has been sold as a designer drug since mid-2019, initially being identified in the US Midwest, though it has since been found in 2020 in Belgium. It...

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