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dc.contributor.authorKiguchi, Norikazu
dc.contributor.authorDing, Huiping
dc.contributor.authorCami-Kobeci, Gerta
dc.contributor.authorSukhtankar, Devki D.
dc.contributor.authorCzoty, Paul W.
dc.contributor.authorDeLoid, Heather B.
dc.contributor.authorHsu, Fang-Chi
dc.contributor.authorToll, Lawrence
dc.contributor.authorHusbands, Stephen M.
dc.contributor.authorKo, Mei-Chuan
dc.contributor.illustrator
dc.date.accessioned2020-11-26T12:11:19Z
dc.date.available2020-11-26T00:00:00Z
dc.date.available2020-11-26T12:11:19Z
dc.date.issued2019-03-01
dc.identifier.citationKiguchi N, Ding H, Cami-Kobeci G, Sukhtankar DD, Czoty PW, DeLoid HB, Hsu FC, Toll L, Husbands SM, Ko MC (2019) 'BU10038 as a safe opioid analgesic with fewer side-effects after systemic and intrathecal administration in primates', British Journal of Anaesthesia, 122 (6), pp.e146-e156.en_US
dc.identifier.issn0007-0912
dc.identifier.pmid30916003
dc.identifier.doi10.1016/j.bja.2018.10.065
dc.identifier.urihttp://hdl.handle.net/10547/624677
dc.description.abstractBackground: The marked increase in mis-use of prescription opioids has greatly affected our society. One potential solution is to develop improved analgesics which have agonist action at both mu opioid peptide (MOP) and nociceptin/orphanin FQ peptide (NOP) receptors. BU10038 is a recently identified bifunctional MOP/NOP partial agonist. The aim of this study was to determine the functional profile of systemic or spinal delivery of BU10038 in primates after acute and chronic administration. Methods: A series of behavioural and physiological assays have been established specifically to reflect the therapeutic (analgesia) and side-effects (abuse potential, respiratory depression, itch, physical dependence, and tolerance) of opioid analgesics in rhesus monkeys. Results: After systemic administration, BU10038 (0.001–0.01 mg kg−1) dose-dependently produced long-lasting antinociceptive and antihypersensitive effects. Unlike the MOP agonist oxycodone, BU10038 lacked reinforcing effects (i.e. little or no abuse liability), and BU10038 did not compromise the physiological functions of primates including respiration, cardiovascular activities, and body temperature at antinociceptive doses and a 10–30-fold higher dose (0.01–0.1 mg kg−1). After intrathecal administration, BU10038 (3 μg) exerted morphine-comparable antinociception and antihypersensitivity without itch scratching responses. Unlike morphine, BU10038 did not cause the development of physical dependence and tolerance after repeated and chronic administration. Conclusions: These in vivo findings demonstrate the translational potential of bifunctional MOP/NOP receptor agonists such as BU10038 as a safe, non-addictive analgesic with fewer side-effects in primates. This study strongly supports that bifunctional MOP/NOP agonists may provide improved analgesics and an alternative solution for the ongoing prescription opioid crisis.en_US
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.relation.urlhttps://www.bjanaesthesia.org.uk/article/S0007-0912(19)30048-0/fulltexten_US
dc.relation.urlhttps://www.sciencedirect.com/science/article/pii/S0007091219300480
dc.rightsGreen - can archive pre-print and post-print or publisher's version/PDF
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectanalgesicsen_US
dc.subjectrhesus macaqueen_US
dc.subjectopiate addictionen_US
dc.subjectrespirationen_US
dc.subjectopioiden_US
dc.subjectopioid-related disordersen_US
dc.subjectSubject Categories::B200 Pharmacology, Toxicology and Pharmacyen_US
dc.titleBU10038 as a safe opioid analgesic with fewer side-effects after systemic and intrathecal administration in primatesen_US
dc.typeArticleen_US
dc.contributor.departmentWake Forest Universityen_US
dc.contributor.departmentWakayama Medical Universityen_US
dc.contributor.departmentUniversity of Bathen_US
dc.contributor.departmentWake Forest Baptist Medical Centeren_US
dc.contributor.departmentFlorida Atlantic Universityen_US
dc.contributor.departmentW.G. Hefner Veterans Affairs Medical Centeren_US
dc.identifier.journalBritish Journal of Anaesthesiaen_US
dc.date.updated2020-11-26T11:43:58Z
dc.description.notefull text from https://researchportal.bath.ac.uk/en/publications/bu10038-as-a-safe-opioid-analgesic-with-fewer-side-effects-after-


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