Five Slides in Five Minutes -The Very Basics of Naloxone ...€¦ · -Naltrexone-full opioid...
Transcript of Five Slides in Five Minutes -The Very Basics of Naloxone ...€¦ · -Naltrexone-full opioid...
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Five Slides in Five Minutes -The Very Basics of Naloxone, Naltrexone, Suboxone, and Methadone.
June 5, 2018
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Introduction:
-Opioid Receptor – true characterization did not begin until 1970s
-mu – classic “morphine” receptor, general analgesia,
respiratory suppression, euphoria, slows gut, pro-nausea, relaxes heart and muscles, lowers blood pressure, site of dependence
-kappa – spinal analgesia, dysphoria, psychomimetic,
site of dependence, plays role in mood/motivation/
addiction, “An Anti-Reward, Dysphoric System”
-delta – appears to be analgesic and hedonic, may be anti-
impulsive and anti-addictive, likely pro-convulsive
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-Naloxone
-full opioid antagonist (can cause WD)
-derived from oxymorphone
-preferential effect at mu receptor
-available IV, IM, SQ, intranasal (also effective via endotracheal, sublingual, intralingual, submental routes)
-onset is 1-5 minutes (depending on prep), and lasts 30 to 60 minutes
-is the “-oxone” in Suboxone
-ACUTE REVERSAL
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-Naloxone (these slides don’t count)
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-Naloxone (these slides don’t count)
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-Naltrexone
-full opioid antagonist (can cause WD)
-also derived from oxymorphone
-preferential effect at mu receptor, but kappa appears to be important
-available PO, IM
-CHRONIC CRAVINGS/BLOCKADE. OPIOIDS AS WELL AS ALCOHOL.
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-Naltrexone (these slides don’t count)
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-Naltrexone (these slides don’t count)
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-Buprenorphine
-opioid partial agonist at mu and kappa, antagonist at delta (can cause WD)
-derived from opioid alkaloid thebaine
-preferential effect at mu receptor
-available sublingual, SQ, and implantable rods
-reduces cravings, restores social function, k/d may explain other helpful effects
-DETOX OR OPIOID MAINTENANCE.
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-Buprenorphine (these slides don’t count)
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-Buprenorphine (these slides don’t count)
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-Methadone
-opioid full agonist mostly at mu, and NMDA receptor antagonist
-synthetic opioid, synthesized in 1930s, approved in US in 1940s
-available PO tablet, melt, or liquid
-reduces cravings, restores social function, NMDA may explain other helpful effects
-DETOX OR OPIOID MAINTENANCE.
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- Methadone (these slides don’t count)
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- Methadone (these slides don’t count)
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Disclosures:
Alkermes Speaker Bureau
Neurocrine Biosciences/Evidera ReKinect Investigator
Neurocrine Biosciences/Evidera ReKinect Advisory Board Member
Owner, Medical Director HC&T
Owner, Medical Director EMW
Medical Director ImCal HSA
Medical Director Premier Rehab Services of SWLA
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Patrick C Hayes, M.D.
ImCAL HSA
4105 Kirkman Street
Lake Charles, LA 70601
337-475-8022
Elite Medical Wellness/HC&T
2802 Hodges Street – 540 Alamo Street,
Lake Charles, LA 70601
337-419-1973
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