Update in Toxicology 2013 K2, Spice, Bath Salts, & the New Designer Drugs William Hurley, MD FACEP Harborview Medical Center Washington Poison Center – hurleyw@uw.edu – hurley@wapc.org – (800) 222-1222 – (800) 709-0911 Update in Toxicology 2013 Goal – Increase knowledge in management of the poisoned patient Objectives – Describe manifestations & management of the stimulant syndrome – List new designer drugs, their mechanisms, & their sources Designer Drugs Tox Update 2012 Designer Drugs Designer Drugs Poisoning Case A 20 year-old female is found agitated & confused by family in her dormitory room. She has no significant past medical history, but the family suspects she has been “experimenting” with alcohol & marijuana since starting school. She is agitated & aggressively ordering care providers to leave her exam room. Family explains this is not like her at all. She is tachycardic, hypertensive, hot, & diaphoretic – (P 128, BP 180/110) How would you manage this encounter? Designer Drugs 20 Year Old Female Anxious & Agitated Initial Evaluation ? Designer Drugs 20 Year Old Female Anxious & Agitated Mental Status A– B– C– D– E– Designer Drugs 20 Year Old Female Anxious & Agitated Mental Status A – Open & Protected ? B – Ventilating & Oxygenating ? C – Rhythm, Perfusion ? D - Disability / Seizures Decontamination, Dextrose ? E – Exposure, Elimination ? Poison Center 1-800-222-1222 Designer Drugs Initial Management Airway Breathing Circulation WA Poison Center 1-800-222-1222 1-800-709-0911 – 80% of poisonings Disability/Decontamination – 90% of poisonings Exposure/Elimination – Antidotes – 100% of poisonings Designer Drugs 20 Year Old Female Anxious & Agitated Agitated, responding to loud verbal A – Open with intact gag reflex B - RR 20-24 / minute, clear lungs C - Tachycardic (Sinus - 130’s) Hypertensive (180/110) D - No Seizure, Glucose 108 Decontamination? E – Elimination? Designer Drugs Poisoning Management ABCDE Safety Net – IV, Monitors (ECG & O2) Focused History – What, when, why, what has been done? – What else is available? Focused Physical Examination – Toxicologic Syndrome? Designer Drugs Toxicologic Syndromes Asphyxiant Cholinergic Anticholinergic Cyclic Antidepressant Opiod Sedative Stimulant Hallucinogenic Serotonergic Hepatotoxic Heavy Metal Irritant gas Caustic Salicylates Toxic Alcohols Hydrocarbons Calcium antagonists Designer Drugs Poisoning Management Physical Examination – Toxicologic Syndrome Designer Drugs Poisoning Management Physical Examination – Toxicologic Syndrome – Vital Signs – Mental Status confused, stimulated, depressed – Pupils; small or large, reactive or not – Mucus membranes; color, moisture – Respiratory rate & depth, bronchospasm, pulmonary edema – Gastrointestinal Tract; hyper- or hypoactive – Skin; color, temperature, moisture Designer Drugs Poisoning Case A 20 year-old female “crazy” Tachycardic, hypertensive, warm, & wet – (P 130, BP 185/110) Synthetic marijuana? Designer Drugs Poisoning Case A 20 year-old female “crazy” Tachycardic, hypertensive, warm, & wet – (P 130, BP 185/110) Synthetic marijuana? Toxicologic Syndrome? Designer Drugs Physical Examination Stimulant Syndrome Vital Signs Mental Status Pupils Mucus membranes Respiratory Gastrointestinal Skin T, P, R, BP Seizures Dilated & reactive Moist Rate, depth Motility Pink, warm, moist Designer Drugs Spice Case Roomate produces packets of incense purchased at a local “head shop.” Designer Drugs Designer Drugs Spice Case A 20 year-old female “crazy” Begins screaming & struggling – Attempting IV – Has 3 minute seizure Management? Designer Drugs Stimulant Agents - ? Designer Drugs Stimulant Agents Cocaine Amphetamines – Methamphetamine, Ecstasy, methylphenidate, phentermine Decongestants – Ephedrine, Pseudo-ephedrine Beta Stimulators – Albuterol, caffeine, theophylline Withdrawal States – EtOH, benzodizepine, GHB Designer Drugs Designer Drugs Cannabinoids Cannabinoids Spice products - Europe in 2004 “Herbal smoking blend” “Not for Human Consumption” Synthetic agents, created to simulate effects of cannabis CNS cannabinoid receptors Derived from cathinones (“Khat”) Designer Drugs Cannabinoids Sold in small packets Variety of names – K2, Spice Gold, Spice Diamond, Spice Silver, Spice of Life Retail U. S. $25-$40 Designer Drugs Plant & Herbal Blends Marketed as incense Desire for ‘legal high’ Ability to avoid detection on drugsof-abuse testing (THC) Designer Drugs What’s up with the Eye? Designer Drugs What’s up with the Eye? Wide-open-eye imprint Allusion to ‘‘Dune’’ Fictional drug ‘‘Melange’’ Called ‘‘the spice” Excessive use caused blue sclera Designer Drugs Cannabinoids Heterogeneous structured compounds – Agonize endogenous cannabinoid receptors – Include phytocannabinoids derived from Cannabis sativa (delta 9-THC) – Endogenous cannabinoids – Synthetics Designer Drugs Synthetic Cannabinoids Synthesized 1960s at Hebrew University (HU) – HU-210 Pfizer 1970s; Cyclohexylphenol series J W Huffman (JWH) 80s – JWH-018, JWH-073, JWH-200 Designer Drugs Cannabinoids Signs & Symptoms Tachycardia Hypertension Hyperthermia Anxiety Seizures Paranoia & hallucinations Designer Drugs European Experience Within weeks of regulatory control Non-prohibited cannabinoids found in products Structures heterogeneous – No THC rxn Designer Drugs Synthetic Cannabinoids 2010 JWH – 250 13% JWH – 73 11% U.S. DEA, Office of Diversion Control U.S. DEA Activity March, 2011 Temporary Schedule I – unsafe, highly abused, no medical usage Five synthetic cannabinoids – JWH-018, JWH-073, JWH-200 – CP-47,497 & Cannabicyclohexanol – HU-210 all ready Schedule I Designer Drugs Synthetic Cannabinoids 2011 JWH – 250 12% AM-2201 29% JWH – 210 9% JWH-122 12% JWH-18 14% U.S. DEA, Office of Diversion Control Synthetic Drug Abuse Prevention Act of 2012 Signed into law July 9, 2012 Adds certain classes of synthetic cannabinoids & two substituted cathinones—mephedrone and MDPV— to the federal controlled substances act. Designer Drugs Designer Drugs Stimulant Agents Cocaine Amphetamines Decongestants Beta Stimulators Withdrawal States Cannabinoids – JWH-018, JWH-073, JWH-200 – CP-47,497, Cannabicyclohexanol – HU-210 Designer Drugs Stimulant Agents Mechanisms of Action - ? Designer Drugs Stimulant Agents Mechanisms of Action Stimulant Agents Mechanisms of Action Central inhibition of catecholamine reuptake – Epinephrine, norepinephrine Peripheral stimulation of alpha & beta receptors Additional effects (nuances) – Na channel / local anesthetic (cocaine) – Serotonin reuptake inhibition (MDMA) Designer Drugs Designer Drugs Stimulant Toxicity Clinical Management - ? Designer Drugs Stimulant Toxicity Clinical Management Central inhibition of catecholamine reuptake – Benzodiazepines (GABA receptor agonists) 0.1-0.2 mg/kg Diazepam IV (5-10 mg) 0.05 mg/kg Lorazepam or Midazolam IV or IM (2-5 mg) Repeat every 5-10 minutes for seizures, every 10 minutes until calm – Neuroleptics (monitor the QT interval) 2-5 mg IM or slow IV Haloperidol or Droperidol Designer Drugs Stimulant Toxicity Management Peripheral stimulation of alpha & beta receptors – Benzodiazepines (cardiac receptors) – Vasodilators; phentolamine, nitroprusside – Cardiac monitoring Additional effects – Benzodiazepines – Hydration, Cooling, Neuromuscular paralysis Designer Drugs Spice Case A 20 year-old female “crazy” Tachycardic, hypertensive, warm, & wet – (P 140, BP 185/110) Diazepam 5 mg IV X 2 Temp 104.4o – Urine reddish brown – IV ½ NS with 2 amps NaHCO3 Designer Drugs Spice Case CT head negative Urine Tox negative Admitted ICU – Continuous EEG monitoring Awakens next morning – – – – Admits binge of “Spice” Peak CPK 14,000 No renal failure Discharged home intact day #3 Designer Drugs Smoking ‘Bath Salts’ 26 y.o. male – agitated & confused 3 day binge – Smoking ‘Bolivian Bath Salts’ Roomate found him face-down on floor Designer Drugs 26 Year Old Male Agitated & Confused Management? Designer Drugs Initial Management Airway Breathing Circulation WA Poison Center 1-800-222-1222 1-800-709-0911 – 80% of poisonings Disability/Decontamination – 90% of poisonings Exposure/Elimination – Antidotes – 100% of poisonings Designer Drugs 26 Year Old Male Agitated & Confused Agitated, responding to loud verbal A – Open with intact gag reflex B - RR 28 / minute, clear lungs C - Tachycardic (Sinus - 130’s) Hypertensive (160/100) D - No Seizure, Glucose 120 Decontamination? E – Elimination? Designer Drugs ‘Bath Salts’ Case Agitated, responds to loud verbal stimuli No trauma Pupils 6 mm P 130 BP 160/100 Diaphoretic & Hot Designer Drugs Physical Examination Stimulant Syndrome Vital Signs Mental Status Pupils Mucus membranes Respiratory Gastrointestinal Skin T, P, R, BP Seizures Dilated & reactive Moist Rate, depth Motility Pink, warm, moist Designer Drugs “Bath Salts” “White Ice, Ocean Snow, Lunar Wave, Purple Wave, Ivory Wave, Ivory Soft, Vanilla Sky, Bliss” $20 packets from convenience stores, truck stops & via Internet Designer Drugs “Bath Salts” - Compounds Very similar to amphetamines Side effects largely the same we see with amphetamines in large dose – Jeffrey Baldwin, University of Nebraska Medical Center Typically snorted, smoked, injected Can be mixed with water as a beverage Designer Drugs Snorting & Smoking Bath Salts Designer Drugs “Bath Salts” - Contents Mephedrone MDPV (3,4-methylenedioxypyrovalerone) Designer Drugs Mephedrone - Europe Cathinone derivative Marketed as ‘plant feeder’ ‘not for human consumption’ Potentially addictive & Increasingly popular legal substitute for cocaine & ecstasy Designer Drugs MDPV – 3,4 methylendioxypyrovalerone Epinephrine & Norepinephrine re-uptake inhibitor Designer Drugs MDPV – 3,4 methylendioxypyrovalerone Epinephrine & Norepinephrine re-uptake inhibitor Beta ketone ‘research chemical’ Intake (Dose 5-15 mg); – Oral (capsule, ‘bombing,’ beverage) – Rectal, Insufflation, Smoking, IV – Onset 1 hr, Peak 1.5 hr, Duration 3-12 hrs Designer Drugs MDPV Toxicity -? Designer Drugs “Bath Salts” Toxicity 35 patients, Michigan ED’s Agitation - 23 patients (66%) Tachycardia - 22 (63%) Delusions/hallucinations - 14 (40%) 17 patients hospitalized, 1 DOA – MDPV Identified MMWR / May 20, 2011 / Vol. 60 / No. 19 Designer Drugs ‘Bath Salts’ Case Agitated for 18 hours at hospital Tachycardia resolves with IV benzos & fluids Temp 104.1 Urine (+) benzos only CK Peak 6500 Designer Drugs Cannabinoids & Bath Salts 2010 - 2011 Olives TD, et al. Bath salts: the ivory wave of trouble. West J Emerg Med. 2012 Feb;13(1):58-62. Designer Drugs “Bath Salts” - Banned DEA Temporary Schedule I (Oct 2011) – Up to 12 months for permanent Louisiana, Florida, North Dakota, WA – New York, Kentucky, Mississippi - Pending PC calls fell with Louisiana ban – Now ordering by Internet – Shipping to Mississippi Executive Health February 04, 2011 Designer Drugs Stimulant Agents Cocaine Amphetamines Decongestants Beta Stimulators Withdrawal States Cannabinoids ‘Bath Salts’ – Mephedrone – MDPV Designer Drugs New “Rave” (2 C agents) Minneapolis, MN 17 March 2011 – Eleven hospitalized (16-21 y.o.) – 2 critical, 1 dead Konawa, OK 7 May 2011 – Seven hospitalized (19-20 y.o.) – 2 critical, 1 dead 2,5-dimethoxy-4-ethyl-phenethylamine Designer Drugs 2, 5, I-NBOMe Deaths Erowid.org (Extracts) March 2012 – Adult male South Australia – 2C-I-NBOMe & 2C-B-NBOMe (MVC) June 2012 – 17 & 18 yo males MN – Mixed 25i with chocolate candy July 2012 - 25 yo female, NC – 25i pills, died >12 hours after ingestion Designer Drugs 2011 2 Ci Blotter Paper Designer Drugs Designer Drugs 2 C-I Designer Drugs Phenethylamines Chemical Name Street Name 3,4,5-trimethoxyMescaline phenethylamine 2C-E 2,5-dimethoxy-4-ethylEuropa phenethylamine 2C-B 2,5-dimethoxy-4-bromo- Bees, Bromo, Bromo mescaline, phenethylamine Nexus, Spectrum, Toonies, Venus 2C-I 2,5-dimethoxy-4-iodoN-Bomb phenethylamine 2C-T7 2,5-dimethoxy-4Blue Mystic, Vanilla Aroma propylthio-phenethylamine Designer Drugs Phenethylamines Agonist/antagonist 5-HT receptor – Hallucinations – Over-stimulation & agitation (amphetamines) Multiple forms – Tablets, capsules, powder for insufflation Kinetics – Onset 20 min, peak 2 hrs, duration 6-12 hrs Designer Drugs Designer Drugs Phenethylamines Clinical Effects – Hallucinations, agitation, seizures – Hyperthermia, tachycardia, hypertension, tachypnea – Extreme/rapid cycling emotions – Mydriasis, flushing, diaphoresis – Nausea, vomiting, – Facial dystonia (teeth grinding, grimacing) – Rhabdomyolysis Designer Drugs Phenethylamines (cont) – Insufflation - immediate pain nasal mucosa – Law enforcement officers Phenethylamine laboratories Mucous membrane & respiratory symptoms Designer Drugs Phenethylamines Legal control – 2C-B & 2C-T7 – Schedule I – 2C-E & 2C-I - not scheduled controlled substance analogs “Bad trips” ?alleviated by SSRIs? – Not studied nor recommended Designer Drugs Stimulant Agents Cocaine Amphetamines Decongestants Beta Stimulators Withdrawal States Cannabinoids ‘Bath Salts’ Phenethylamines – 2 CE & 2 CI Designer Drugs Stimulant Agents Mechanisms of Action Central inhibition of catecholamine reuptake – Epinephrine, norepinephrine Peripheral stimulation of alpha & beta receptors Additional effects (nuances) – Na channel / local anesthetic (cocaine) – Serotonin reuptake inhibition (MDMA) Designer Drugs Poisoning Management ABCDE – Poison Center (1-800-222-1222) Safety Net – IV, Monitors (ECG & O2) Focused History – What, when, why, what has been done? – What else is available? Focused Physical Examination – Toxicologic Syndrome? Laboratory Studies? Designer Drugs Bath Salts and Stimulants Designer Drugs Expanded, Urine Test (8756U) – Methamphetamine, Amphetamine, O-Desmethyltramadol – MDMA, MDEA, MDA, DOM – Mephedrone, MDPV, Pyrovalerone,, Ethylone, Flephedrone, Buphedrone, Methedrone, Methylone, Cathinone, Methcathinone – 2C-B 2C-C 2C-E 2C-H 2C-I 2C-N 2C-P 2C-T-2 2C-T-7 Synthetic Cannabinoid Metabolites Screen Expanded, Urine (Forensic) Test (9562U) – AM-2201, JWH-018, JWH-019, JWH-073, JWH-081, JWH-122, JWH-210, JWH-250, & RCS-4 metabolites Tox Update 2012 Stimulant Toxicity - Key Points Central & Peripheral catecholamine surge – Characteristic clinical toxicological syndrome Specific agents – Cocaine, amphetamines, decongestants, cannabinoids, Mephedrone, MDPV, phenethylamines – Often unavailable for decontamination & detection – Treat the patient, not the agent Importance - reduce severity of poisoning (avoid complications) – Benzodiazepines & Hyperthermia prevention Designer Drugs “Spice” References – Gunderson EW, et al. "Spice" and "K2" herbal highs: a case series and systematic review of the clinical effects and biopsychosocial implications of synthetic cannabinoid use in humans. Am J Addict. 2012 Jul-Aug;21(4):320-6. – Simmons JR, et al. Intoxication from smoking "spice”. Ann Emerg Med. 2011 Feb;57(2):187-8. – Vardakou I, et al. Spice drugs as a new trend: mode of action, identification & legislation. Toxicol Lett 2010 Sep 1;197(3):157-62. – Schneir AB, et al. "Spice" Girls: Synthetic Cannabinoid Intoxication. J Emerg Med 2010 Dec 15. Designer Drugs “Bath Salts” - References o Borek HA, et al. Hyperthermia and multiorgan failure after abuse of "bath salts" containing 3,4-methylenedioxypyrovalerone. Ann Emerg Med. 2012 Jul;60(1):103-5. o Prosser JM, Nelson LS. The toxicology of bath salts: a review of synthetic cathinones. J Med Toxicol. 2012 Mar;8(1):33-42. o Murray BL, et al. Death following recreational use of designer drug "bath salts" containing 3,4-Methylenedioxypyrovalerone (MDPV). J Med Toxicol. 2012 Mar;8(1):69-75. o Kasick DP, et al. "Bath salt" ingestion leading to severe intoxication delirium: two cases and a brief review of the emergence of mephedrone use. Am J Drug Alc Abuse. 2012 Mar;38(2):176-80. o Emergency department visits after use of a drug sold as "bath salts"--Michigan, November 13, 2010-March 31, 2011. MMWR 2011 May 20;60(19):624-7. o Psychonaut WebMapping Research Group, Mephedrone Report, Institute of Psychiatry, King's College London, London, UK (2009). Designer Drugs Update in Toxicology 2013 Goal – Increase knowledge in management of the poisoned patient Objectives – Describe manifestations & management of the stimulant syndrome – List new designer drugs, their mechanisms, & their sources Designer Drugs Update in Toxicology 2013 K2, Spice, Bath Salts, & the New Designer Drugs William Hurley, MD FACEP Harborview Medical Center Washington Poison Center – hurleyw@uw.edu – hurley@wapc.org – (800) 222-1222 – (800) 709-0911