1) Development and implementation of intranasal naloxone opioid overdose response protocol at a homeless health clinic.

Dahlem CH, Horstman MJ, Williams BC.

J Am Assoc Nurse Pract. 2015 Mar 26. doi: 10.1002/2327-6924.12249. [Epub ahead of print]

Comments: Naloxone programs have been providing kits to settings where homeless people receive services for many years. This is a description of a program at a homeless health clinic.

2) Quantification of morphine, morphine 6-glucuronide, buprenorphine, and the enantiomers of methadone by enantioselective mass spectrometric chromatography in whole blood.

Christoffersen DJ, Brasch-Andersen C, Thomsen JL, Worm-Leonhard M, Damkier P, Brøsen K.

Forensic Sci Med Pathol. 2015 Jun;11(2):193-201. doi: 10.1007/s12024-015-9673-9. Epub 2015 Mar 24.

Comments: It’s been awhile since we had a forensics paper here. I think this is a novel method of identifying enantiomers.

3) A Comparison of Liver Disease Mortality With HIV and Overdose Mortality Among Georgia Prisoners and Releasees: A 2-Decade Cohort Study of Prisoners Incarcerated in 1991.

Spaulding AC, Sharma A, Messina LC, Zlotorzynska M, Miller L, Binswanger IA.

Am J Public Health. 2015 May;105(5):e51-7. doi: 10.2105/AJPH.2014.302546. Epub 2015 Mar 19.

Comments: Stunningly low rate of drug overdose mortality in this cohort of prisoners in Georgia. This is one of the first times I’ve seen a paper on opioid overdose find radically different results in a different setting. I can’t access for details.

4) A Review of Opioid Overdose Prevention and Naloxone Prescribing: Implications for Translating Community Programming Into Clinical Practice.

Mueller SR, Walley AY, Calcaterra SL, Glanz JM, Binswanger IA.

Subst Abus. 2015 Mar 16:1-14. [Epub ahead of print]

Comments: A review toward the end of using community distribution data to build clinical care naloxone prescription.

5) Long-term course of opioid addiction.

Hser YI, Evans E, Grella C, Ling W, Anglin D.

Harv Rev Psychiatry. 2015 Mar-Apr;23(2):76-89. doi: 10.1097/HRP.0000000000000052.

Comments: This is a systematic review of long-term studies of opioid users. Among many fascinating data reported, the length of time not using a drug of choice increases the likelihood of continuing to not use that drug. This seems obvious to many, but I don’t believe it’s been documented before. Good read for anyone looking to understand some of the longitudinal outcome data.

6) Medication-assisted treatment of opioid use disorder: review of the evidence and future directions.

Connery HS.

Harv Rev Psychiatry. 2015 Mar-Apr;23(2):63-75. doi: 10.1097/HRP.0000000000000075.

Comments: Nice review of treatment options for opioids. Strong evidence for methadone and buprenorphine. Weak evidence of naltrexone therapies – with oral increasing mortality and early but favorable evidence for injectable naltrexone.

7) The impact of chronic pain on opioid addiction treatment: a systematic review protocol.

Dennis BB, Bawor M, Paul J, Varenbut M, Daiter J, Plater C, Pare G, Marsh DC, Worster A, Desai D, Thabane L, Samaan Z.

Syst Rev. 2015 Apr 16;4(1):49. doi: 10.1186/s13643-015-0042-2.

Comments: A paper describing a planned paper. Hmm.

8) Acute fatal posthypoxic leukoencephalopathy following benzodiazepine overdose: a case report and review of the literature.

Aljarallah S, Al-Hussain F.

BMC Neurol. 2015 Apr 30;15(1):69. doi: 10.1186/s12883-015-0320-6.

Comments: Usually we see this after opioid overdose. Interesting.

9) Functional mu opioid receptor polymorphism (OPRM1 A¹¹⁸ G) associated with heroinuse outcomes in Caucasian males: A pilot study.

Woodcock EA, Lundahl LH, Burmeister M, Greenwald MK.

Am J Addict. 2015 Apr 24. doi: 10.1111/ajad.12187. [Epub ahead of print]

Comments: The 118G allele was once associated with better responsiveness to naltrexone for alcohol dependence. Interesting now to see it associated with more troubling heroin use patterns. Can’t access full article for details.

10) Comparative Usability Study of a Novel Auto-Injector and an Intranasal System for Naloxone Delivery.

Edwards ET, Edwards ES, Davis E, Mulcare M, Wiklund M, Kelley G.

Pain Ther. 2015 Apr 25. [Epub ahead of print]

Comments: The naloxone autoinjector is easier to use than the jerry-rigged intranasal device.

11) Disparity in Naloxone Administration by Emergency Medical Service Providers and the Burden of Drug Overdose in US Rural Communities.

Faul M, Dailey MW, Sugerman DE, Sasser SM, Levy B, Paulozzi LJ.

Am J Public Health. 2015 Apr 23:e1-e7. [Epub ahead of print]

Comments: Basic life support-trained EMTs generally don’t administer naloxone – and they deal with most overdoses in rural areas.

12) HIV prevention and treatment strategies can help address the overdose crisis.

Walley AY.

Prev Med. 2015 Apr 18. pii: S0091-7435(15)00109-7. doi: 10.1016/j.ypmed.2015.04.004. [Epub ahead of print]

Comments: Yup.

13) Rates of Opioid Dispensing and Overdose After Introduction of Abuse-Deterrent Extended-Release Oxycodone and Withdrawal of Propoxyphene.

Larochelle MR, Zhang F, Ross-Degnan D, Wharam JF.

JAMA Intern Med. 2015 Apr 20. doi: 10.1001/jamainternmed.2015.0914. [Epub ahead of print]

Comments: Being that I’m not a pharmaceutical company, my interest is in the welfare of people regardless of what they are putting into their bodies. Oxycodone, morphine, methadone, hydromorphone, oxymorphone, or heroin. The clear uptick in heroin use and heroin (as well as overall opioid) overdose mortality began when we started using injection-deterrent formulations (the formulations only address injection – not other potentially problematic use patterns).

14) Paramedic supplied “take home” naloxone: a randomised feasibility study.

Moore C, Lloyd G, Oretti R, Russell I, Snooks H.

Emerg Med J. 2015 May;32(5):421-2. doi: 10.1136/emermed-2015-204877.3.

Comments: Great idea. I believe the naloxone program in Inverness, Scotland, first inspired this idea by following up with overdose patients in the month after a paramedic reversal.

15) Implementing buprenorphine in addiction treatment: payer and provider perspectives in Ohio.

Molfenter T, Sherbeck C, Zehner M, Quanbeck A, McCarty D, Kim JS, Starr S.

Subst Abuse Treat Prev Policy. 2015 Mar 28;10(1):13. doi: 10.1186/s13011-015-0009-2.

Comments: Unfortunately there are multiple barriers. Physician availability, reimbursement, etc.

16) Prescription opioid abuse: Problems and responses.

Compton WM, Boyle M, Wargo E.

Prev Med. 2015 Apr 11. pii: S0091-7435(15)00103-6. doi: 10.1016/j.ypmed.2015.04.003. [Epub ahead of print]

Comments: Review of prescription opioid use problems and responses, including agonist treatment and naloxone.

17) Reducing the harm of opioid overdose with the safe use of naloxone : a pharmacologic review.

Kim HK, Nelson LS.

Expert Opin Drug Saf. 2015 Apr 12:1-10. [Epub ahead of print]

Comments: Naloxone is safe. Don’t use massive doses or people go into severe withdrawal. Lay programs generally use 0.4mg intramuscular. The intranasal 2mg dose has some variability, but is probably equivalent to 0.3-0.4mg intramuscular for many people.

18) Lessons learned from the expansion of naloxone access in Massachusetts and North Carolina.

Davis CS, Walley AY, Bridger CM.

J Law Med Ethics. 2015 Mar;43 Suppl 1:19-22. doi: 10.1111/jlme.12208.

Comments: Laws aren’t enough. Providers need education and the formulations are problematic.

19) Naloxone’s basic benefit. Why the overdose-reversal drug is worth expanding beyond just ALS providers.

Furlano E.

EMS World. 2014 Oct;43(10):28-30, 32-4. No abstract available.

Comments: Basic life support-trained providers should have naloxone.

20) Predictors of participant engagement and naloxone utilization in a community-based naloxone distribution program.

Rowe C, Santos GM, Vittinghoff E, Wheeler E, Davidson P, Coffin PO.

Addiction. 2015 Apr 27. doi: 10.1111/add.12961. [Epub ahead of print]

Comments: Among recipients of take-home naloxone, those most likely to report using it to reverse an overdose are active drug users themselves. This emphasizes the top priority of getting naloxone into the hands of drug users.

21) Causes of death in a cohort treated for opioid dependence between 1985 and 2005.

Degenhardt L, Larney S, Randall D, Burns L, Hall W.

Addiction. 2014 Jan;109(1):90-9. doi: 10.1111/add.12337. Epub 2013 Oct 9.

Comments: Another stellar longitudinal paper. Overdose is of course the driver of mortality, but major organ disease-related mortality becomes a close competitor after age 45. Suicide is common, accounting for 10-15% of mortality. Another must read.

26) Lethality of Opioid Overdose in a Community Cohort of Young Heroin Users.

Espelt A, Barrio G, Álamo-Junquera D, Bravo MJ, Sarasa-Renedo A, Vallejo F, Molist G, Brugal MT.

Eur Addict Res. 2015 May 28;21(6):300-306. [Epub ahead of print]

Comments: Authors of this study from Madrid and Barcelona come to a similar conclusion as some older papers on heroin overdose – that approximately 4% are fatal. Of note, these are young heroin users, which implies events that are more likely to be witnessed. Mortality is likely higher among older users, who are more likely to be socially isolated, leading to an overall estimated mortality of approximately 10%.

27) Dynamic model of nonmedical opioid use trajectories and potential policy interventions.

Wakeland W, Nielsen A, Geissert P.

Am J Drug Alcohol Abuse. 2015 May 18:1-11. [Epub ahead of print]

Comments: I can’t access. I believe this was also presented as a poster at CPDD this year.

28) Fentanyls: Are we missing the signs? Highly potent and on the rise in Europe.

Mounteney J, Giraudon I, Denissov G, Griffiths P.

Int J Drug Policy. 2015 Apr 17. pii: S0955-3959(15)00097-3. doi: 10.1016/j.drugpo.2015.04.003. [Epub ahead of print]

Comments: Ugh. Fentanyl is scary because it is dosed in micrograms – which is really hard to do safely, especially in an illicit market.

29) Trends and characteristics of heroin overdoses in Wisconsin, 2003-2012.

Meiman J, Tomasallo C, Paulozzi L.

Drug Alcohol Depend. 2015 Jul 1;152:177-184. doi: 10.1016/j.drugalcdep.2015.04.002. Epub 2015 Apr 18.

Comments: Most states/localities saw a stark inflection point in heroin overdose events after 2010; that inflection seems less pronounced in this study.

30) Overdose prevention in injecting opioid users: the role of substance abuse treatment and training programs.

Sarasa-Renedo A, Espelt A, Folch C, Vecino C, Majó X, Castellano Y, Casabona J, Brugal MT; Redan Study Group.

Gac Sanit. 2014 Mar-Apr;28(2):146-54. doi: 10.1016/j.gaceta.2013.10.012. Epub 2014 Jan 10.

Comments: Study out of Barcelona looking at predictors of less overdose prevention knowledge.

31) Griffith Edwards, the Addiction Research Unit and research on the criminal justice system.

Farrell M, Marsden J, Strang J.

Addiction. 2015 Jul;110 Suppl 2:54-8. doi: 10.1111/add.12910.

Comments: Review of Griffith Edwards’s work in the 1960s and 1970s addressing the transition from correctional to community settings. Important prelude to what’s been done over the past 20 years and what we hope will be achieved in the years to come.

32) Death matters: understanding heroin/opiate overdose risk and testing potential to prevent deaths.

Strang J.

Addiction. 2015 Jul;110 Suppl 2:27-35. doi: 10.1111/add.12904.

Comments: Let’s move on to implementation science?

33) Reversal of overdose on fentanyl being illicitly sold as heroin with naloxone nasal spray: A case report.

Fareed A, Buchanan-Cummings AM, Crampton K, Grant A, Drexler K.

Am J Addict. 2015 Jun 3. doi: 10.1111/ajad.12230. [Epub ahead of print]

Comments: Report out of the Veterans’ Administration, which is admirably taking on overdose prevention.

34) Methadone continuation versus forced withdrawal on incarceration in a combined US prison and jail: a randomised, open-label trial.

Rich JD, McKenzie M, Larney S, Wong JB, Tran L, Clarke J, Noska A, Reddy M, Zaller N.

Lancet. 2015 May 28. pii: S0140-6736(14)62338-2. doi: 10.1016/S0140-6736(14)62338-2. [Epub ahead of print]

Comments: With respect to the excellent investigators, are we really living in a world where this kind of study is either needed or permitted? “Usual care” as forced withdrawal of a life-saving medication is … leaving me speechless.

35) The relative risk of fatal poisoning by methadone or buprenorphine within the wider population of England and Wales.

Marteau D, McDonald R, Patel K.

BMJ Open. 2015 May 29;5(5):e007629. doi: 10.1136/bmjopen-2015-007629.

Comments: Buprenorphine is six times safer than methadone with regard to risk of drug overdose death. This is, of course, observational, and does not take into account differing characteristics of opioid dependent persons that may drive them to one treatment or another. Methadone is an invaluable tool for a large proportion of individuals in need.

36) Distribution of naloxone for overdose prevention to chronic pain patients.

Coe MA, Walsh SL.

Prev Med. 2015 May 27. pii: S0091-7435(15)00175-9. doi: 10.1016/j.ypmed.2015.05.016. [Epub ahead of print]

Comments: Commentary on the concept of co-prescribing naloxone to pain patients on opioids.

37) Responding to illicit drug use in family practice.

Robertson JR, Robertson AR.

Curr Opin Psychiatry. 2015 Jul;28(4):286-91. doi: 10.1097/YCO.0000000000000174.

Comments: Review of substance use issues affecting family practice providers.

38) Reducing opioid analgesic deaths in america: what health providers can do.

Agarin T, Trescot AM, Agarin A, Lesanics D, Decastro C.

Pain Physician. 2015 May-Jun;18(3):E307-22.

Comments: Nobody knows yet.

39) Opioid education and nasal naloxone rescue kits in the emergency department.

Dwyer K, Walley AY, Langlois BK, Mitchell PM, Nelson KP, Cromwell J, Bernstein E.

West J Emerg Med. 2015 May;16(3):381-284. doi: 10.5811/westjem.2015.2.24909. Epub 2015 Apr 1.

Comments: Nice initial observational study of naloxone from emergency departments. Low response rate.

40) Buprenorphine treatment for narcotic addiction: not without risks.

Sansone RA, Sansone LA.

Innov Clin Neurosci. 2015 Mar-Apr;12(3-4):32-6.

Comments: Buprenorphine is hard to overdose on in the absence of sedatives such as benzodiazepines. There is diversion, but largely to individuals already dependent on opioids who are seeking to stave off withdrawal or often self-detox. It’s about time we moved on to more sophisticated diversion research, which differentiated the type of prescription drug diversion most people have engaged in – like sharing your leftover amoxicillin or hydrocortisone cream – and more dangerous forms.

41) Coherent long-term treatment approaches-superior in the treatment of opioid dependence.

Clausen T.

Addiction. 2015 Jun;110(6):1006-7. doi: 10.1111/add.12922. No abstract available.

Comments: Nice commentary on the role and importance of agonist medications in treating opioid use disorder.

42) Economic impact of a novel naloxone autoinjector on third-party payers.

Weiss RC, Bazalo GR, Thomson H, Edwards E.

Manag Care. 2015 Feb;24(2):41-8.

Comments: I can no longer claim to have the only mathematical model of opioid overdose! This is a model from the payer perspective. Funded and co-authored by the manufacturers of the naloxone autoinjector.

43) Take home naloxone for Ireland.

Bury G.

Ir Med J. 2015 Mar;108(3):70. No abstract available.

Comments: can’t access.

44) [The message from heroin overdoses].

Pap Á, Hegedűs K.

Orv Hetil. 2015 Mar 1;156(9):352-7. doi: 10.1556/OH.2015.30091. Review. Hungarian.

Comments: Review of overdose / prevention in Hungary.

45) Out-of-hospital mortality among patients receiving methadone for noncancer pain.

Ray WA, Chung CP, Murray KT, Cooper WO, Hall K, Stein CM.

JAMA Intern Med. 2015 Mar;175(3):420-7. doi: 10.1001/jamainternmed.2014.6294.

Comments: More on the potential hazards of methadone when used for chronic noncancer pain. I remain mixed on these data. There is a mechanistic argument that methadone is more risky, but at the same time it is generally prescribed to lower income patients with less optimal insurance that doesn’t cover the more expensive long-acting opioid formulations. It’s hard to convincingly disentangle the risks of the population from the risks of the drug.

46) Increased densities of nitric oxide synthase expressing neurons in the temporal cortex and the hypothalamic paraventricular nucleus of polytoxicomanic heroinoverdose victims: possible implications for heroin neurotoxicity.

Bernstein HG, Trübner K, Krebs P, Dobrowolny H, Bielau H, Steiner J, Bogerts B.

Acta Histochem. 2014 Jan;116(1):182-90. doi: 10.1016/j.acthis.2013.07.006. Epub 2013 Aug 13.

Comments: Interesting. Not sure what to make of this one.

1. Patterns and correlates of non-fatal heroin overdose at 11-year follow-up: Findings from the Australian Treatment Outcome Study.

Darke S, Marel C, Mills KL, Ross J, Slade T, Burns L, Teesson M.

Drug Alcohol Depend. 2014 Sep 16. [Epub ahead of print]

Comment: This study (the ATOS) and the team of investigators have produced some of the most powerful and useful data in substance use research. Once again they have delved into heroin overdose by following treatment patients 11 years out. At least 10.2% of the cohort had died by that time and an additional 9.4% were unaccounted for. Among the 70.1% interviewed, 67.5% had overdosed, 24.4% had experienced five or more overdoses (again suggesting that there are “overdosers” out there who are at very elevated risk of the event). In the past year before the follow-up visit, 4.9% had overdosed (11.8% of those who had used heroin in that period), 95.2% of whom had overdosed previously. Those who overdosed were more likely to report higher levels of non-heroin opiate use, as well as benzodiazepine, cocaine, and methamphetamine use.

2. A new naloxone auto-injection device to treat opioid overdose.

Simonson W.

Geriatr Nurs. 2014 Sep-Oct;35(5):381-2.

Comment: A review of the role of take-home naloxone in the form of the new autoinjector.

3. Increases in heroin overdose deaths – 28 States, 2010 to 2012.

Rudd RA, Paulozzi LJ, Bauer MJ, Burleson RW, Carlson RE, Dao D, Davis JW, Dudek J, Eichler BA, Fernandes JC, Fondario A, Gabella B, Hume B, Huntamer T, Kariisa M, Largo TW, Miles J, Newmyer A, Nitcheva D, Perez BE, Proescholdbell SK, Sabel JC, Skiba J, Slavova S, Stone K, Tharp JM, Wendling T, Wright D, Zehner AM.

MMWR Morb Mortal Wkly Rep. 2014 Oct 3;63(39):849-54.

Comment: This report demonstrates declining prescription opioid deaths (-6.6%), but heroin deaths increased so much (+101.7%) that the data actually demonstrate an overall increase in opioid overdose mortality from 2010 to 2012 (+4.3%). There is disagreement as to what is driving the increase in heroin use and overdose. Is it an inevitable consequence of increased availability of opioids? Or is it the result of growing restrictions on access to those opioids? Clearly there are elements of both, leaving us with conflicting duties when it comes to managing those already reliant upon prescription opioids. Western medical ethics is clear on this point: our patient is the person we treat, who may have been harmed by the very same prescribing behavior we are now trying to change and who may be further harmed by those changes. If we truly believe that this epidemic is “iatrogenic” (i.e. caused by medical care, akin to a surgeon leaving scissors in an abdomen), then we have to be extremely cautious and thoughtful in fixing the problem and we can never abandon the patient.

4. Working together: Expanding the availability of naloxone for peer administration to prevent opioid overdose deaths in the Australian Capital Territory and beyond.

Lenton S, Dietze P, Olsen A, Wiggins N, McDonald D, Fowlie C.

Drug Alcohol Rev. 2014 Oct 1. doi: 10.1111/dar.12198. [Epub ahead of print]

Comment: It’s taken an incredibly long time for take-home naloxone to reach Australia, especially given how innovative that country has been with respect to managing drug policy and overdose.

5. Responding to opioid overdose in Rhode Island: where the medical community has gone and where we need to go.

Green TC, Bratberg J, Dauria EF, Rich JD.

R I Med J (2013). 2014 Oct 1;97(10):29-33.

Comment: The first of three articles in this post from Rhode Island, US, which has been facing a surge in opioid overdose deaths and has been responding with expanded naloxone treatment availability. This and the next two articles are free at:http://rimed.org/rimedicaljournal-2014-10.asp.

6. Emergency department naloxone distribution: a rhode island department of health, recovery community, and emergency department partnership to reduce opioid overdosedeaths.

Samuels E.

R I Med J (2013). 2014 Oct 1;97(10):38-9.

Comment: A brief summary of an ED-based naloxone prescription program in Rhode Island, US. I like the emerging use of the term “naloxone rescue kit.”

7. The rhode island community responds to opioid overdose deaths.

Bowman S, Engelman A, Koziol J, Mahoney L, Maxwell C, McKenzie M.

R I Med J (2013). 2014 Oct 1;97(10):34-7.

Comment: A third article on the response in Rhode Island.

8. Emergency hospitalizations for unsupervised prescription medication ingestions by young children.

Lovegrove MC, Mathew J, Hampp C, Governale L, Wysowski DK, Budnitz DS.

Pediatrics. 2014 Oct;134(4):e1009-16. doi: 10.1542/peds.2014-0840. Epub 2014 Sep 15.

Comment: From 2007-2011 in the US, there were 9,490 hospitalizations among children <6 years of age, 17.6% of which involved opioids. Interestingly, buprenorphine was the most frequent opioid. There are some limitations to this study, including the absence of non-oral ingestions and the lack of narrative detail for the cases.

9. Emergency Medical Services NaloxoneAccess: A National Systematic Legal Review.

Davis CS, Southwell JK, Niehaus VR, Walley AY, Dailey MW.

Acad Emerg Med. 2014 Oct;21(10):1173-1177.

Comment: Most states don’t allow basic life support-trained emergency medical responders to administer naloxone.

10. Supply of buprenorphine waivered physicians: The influence of state policies.

Stein BD, Gordon AJ, Dick AW, Burns RM, Pacula RL, Farmer CM, Leslie DL, Sorbero M.

J Subst Abuse Treat. 2014 Aug 2.

Comment: 43% of US counties have no buprenorphine treatment providers. Hello?

11. Fatal Methadone Toxicity: Potential Role of CYP3A4 Genetic Polymorphism.

Richards-Waugh LL, Primerano DA, Dementieva Y, Kraner JC, Rankin GO.

J Anal Toxicol. 2014 Oct;38(8):541-7.

Comment: There’s much to be learned about risks for opioid overdose mortality. This study evaluated the role of CYP450 isoform known as CYP3A4, involved in hepatic metabolism. Some people are slow metabolizers – single nucleotide polymorphisms (aka common “mutations”) rs2242480 and rs2740574 were more common in methadone-only deaths but not in methadone+benzodiazepine deaths, suggesting that these genetic variations may play a role in overdose risk.

12. Prescription histories and dose strengths associated with overdose deaths.

Hirsch A, Proescholdbell SK, Bronson W, Dasgupta N.

Pain Med. 2014 Jul;15(7):1187-95.

Comment: The majority of prescription opioid overdose decedents had filled a prescription for that opioid within 60 days of their death. This has to be an argument for co-prescribing naloxone.

13. Patterns of DrugUse, Risky Behavior, and Health Status Among Persons Who Inject Drugs Living in San Diego, California: A Latent Class Analysis.

Roth AM, Armenta RA, Wagner KD, Roesch SC, Bluthenthal RN, Cuevas-Mota J, Garfein RS.

Subst Use Misuse. 2014 Oct 14. [Epub ahead of print]

Comment: Opioid overdose and HCV appear to be associated in this analysis. This is an interesting area of work. We are quickly learning that people who witness overdoses – and thus people most likely to use naloxone to reverse an overdose – are very high risk persons themselves. This makes logical sense but can make interpreting risk data among naloxone recipients quite challenging.

14. Prognostic factors in acute methadone toxicity: a 5-year study.

Aghabiklooei A, Edalatparvar M, Zamani N, Mostafazadeh B.

J Toxicol. 2014;2014:341826. doi: 10.1155/2014/341826. Epub 2014 Aug 12.

Comment: Fascinating study out of Iran. Methadone overdose cases ultimately died from renal failure related to rhabdomyolysis. This likely means that overdose cases were “down” for a while, where the pressure of their bodies on the ground/floor resulted in muscle breakdown, causing release of muscle metabolites that damaged the kidneys. Although they were revived (at least somewhat), the kidney damage from that downtime was ultimately fatal.

15. A systematic review and meta-analysis of naltrexone implants for the treatment of opioid dependence.

Larney S, Gowing L, Mattick RP, Farrell M, Hall W, Degenhardt L.

Drug Alcohol Rev. 2014 Mar;33(2):115-28. doi: 10.1111/dar.12095. Epub 2013 Dec 3. Review.

Comment: Authors contend that long-acting naltrexone formulations for opioid dependence should be limited to clinical trials only. The depot injection of naltrexone was approved in the US for this indication in 2012 based on a study conducted in Russia. While oral naltrexone clearly should not be used for opioid dependence – as there is a very high overdose death rate after discontinuation of treatment – the long-acting formulations may overcome that by allowing for a slower “tapering” off of the medication when treatment is discontinued. There are several studies in process or planning in the US which should provide more useful data to guide us on the safety of this therapy.

16. Reducing drug related deaths: a pre-implementation assessment of knowledge, barriers and enablers for naloxone distribution through general practice.

Matheson C, Pflanz-Sinclair C, Aucott L, Wilson P, Watson R, Malloy S, Dickie E, McAuley A.

BMC Fam Pract. 2014 Jan 15;15:12. doi: 10.1186/1471-2296-15-12.

Comment: A survey of primary care providers in Scotland (with a fairly low response rate of 55% that biases the results) found limited awareness of the concept of prescribing naloxone.

17. A quantitative and qualitative evaluation of the British Columbia Take Home Naloxoneprogram.

Oluwajenyo Banjo MPHc, Tzemis D, Al-Qutub D, Amlani A, Kesselring S, Buxton JA.

CMAJ Open. 2014 Jul 22;2(3):E153-61. doi: 10.9778/cmajo.20140008. eCollection 2014 Jul.

Comment: In the first 20 months, take-home naloxone in British Columbia opened in 40 sites, trained 1,318 participants, distributed 836 kits and reported 85 reversed overdose events. They ran into issues with finding providers willing to prescribe, recruiting some high-risk populations (like pain patients), and getting convincing participants it was safe to call emergency medical services.

18. Prescription opioid misuse in the United States and the United Kingdom: Cautionary lessons.

Weisberg DF, Becker WC, Fiellin DA, Stannard C.

Int J Drug Policy. 2014 Jul 30.

Comment: An interesting comparison of the US and UK in opioid prescribing and the risks for resultant opioid use disorder and overdose epidemics. Authors suggest that limited use of benzodiazepines and ready access to methadone may be helping to buffer the UK from the effects of opioid prescribing seen in the US.

19. Characteristics of mexican and mexican american adolescents in treatment for “cheese” heroin use.

Walker R, Maxwell JC, Adinoff B, Carmody T, Coton CE, Tirado CF.

J Ethn Subst Abuse. 2014;13(3):258-72. doi: 10.1080/15332640.2014.883582.

Comment: 74% of Hispanic adolescents in treatment for “cheese heroin” dependence reported a prior overdose (70% of females, 80% of males).

20. Urban overdose hotspots: a 12-month prospective study in Dublin ambulance services.

Klimas J, O’Reilly M, Egan M, Tobin H, Bury G.

Am J Emerg Med. 2014 Jul 31.

Comment: Ambulances in Dublin Ireland attended 469 opioid overdoses, 2.8% of which were fatal and 26% of which were among persons who had been attended to for at least one prior overdose. These are useful data for understanding the epidemiology of EMS-attended overdose cases.

21 and 22. Pitfalls of intranasal naloxone

Zuckerman M, Weisberg SN, Boyer EW.

Prehosp Emerg Care. 2014 Oct-Dec;18(4):550-4

Intranasal Naloxone for Opioid Overdose Reversal.

Davis CS, Banta-Green CJ, Coffin P, Dailey MW, Walley AY.

Prehosp Emerg Care. 2014 Aug 25. [Epub ahead of print].

Comment: The lead article is a case report of an overdose that didn’t respond to initial paramedic-administered intranasal naloxone and an unrelated opinion piece critiquing both intranasal and take-home naloxone. There are randomized trials of intranasal naloxone and high-quality observational studies of take-home naloxone that are useful in this discussion – this article constitutes neither. The response letter pointing out these and other concerns has an entire page of disclosures because the lead article authors and journal editor determined that federal research funding is a conflict of interest. The disclosures are worth a read.

23. High risk and little knowledge: Overdose experiences and knowledge among young adult nonmedical prescription opioid users.

Frank D, Mateu-Gelabert P, Guarino H, Bennett A, Wendel T, Jessell L, Teper A.

Int J Drug Policy. 2014 Jul 31.

Comment: Qualitative interviews among young prescription opioid users in New York City identified substantial experiences with personal and witnessed overdose and little to no connection with the networks and services that provide overdose prevention services.

24. Wasted, overdosed, or beyond saving – To act or not to act? Heroin users’ views, assessments, and responses to witnessed overdoses in Malmö, Sweden.

Richert T.

Int J Drug Policy. 2014 Jul 21.

Comment: Qualitative interviews with heroin users in Sweden identifies concerns with responding to overdose (in a setting without naloxone access) including police harassment and not wanting to disturb a high.

25. Quality Assessment of Acute Inpatient Pain Management in an Academic Health Center.

Lin RJ, Reid MC, Chused AE, Evans AT.

Am J Hosp Palliat Care. 2014 Aug 8. pii: 1049909114546545. [Epub ahead of print]

Comment: Authors reviewed pain management in a New York City hospital. Over 6 months, they found 5 cases of naloxone administration for an in-hospital opioid overdose related to prescribed opioids.

26. Assessing Pediatric and Young Adult Substance Use Through Analysis of Prehospital Data.

Seaman EL, Levy MJ, Lee Jenkins J, Godar CC, Seaman KG.

Prehosp Disaster Med. 2014 Aug 4:1-5. [Epub ahead of print]

Comment: Younger adolescents use prescription drugs, older adolescents use illicit drugs.

27. Time for universal provision of take-home naloxone.

Crocker-Buque T, Lovitt C.

Lancet. 2014 Jul 26;384(9940):308. doi: 10.1016/S0140-6736(14)61240-X. No abstract available.

Comment: A letter calling for lay naloxone in the UK.

28. Naloxone auto-injector gains FDA approval.

Knopf A.

Behav Healthc. 2014 May-Jun;34(3):48-9. No abstract available.

Comment: Unable to access.

29. A multifactorial intervention for hospital opioid management.

Akce M, Suneja A, Genord C, Singal B, Hopper JA.

J Opioid Manag. 2014 Sep-Oct;10(5):337-44. doi: 10.5055/jom.2014.0223.

Comment: Can’t access full article. An educational intervention among hospital residents had no impact on pain. Naloxone use was an outcome but is not reported in the abstract.

30. Swift recovery of severe acute hypoxemic respiratory failure under non-invasive ventilation.

Pichot C, Petitjeans F, Ghignone M, Quintin L.

Anaesthesiol Intensive Ther. 2014 Oct 27. doi: 10.5603/AIT.a2014.0053. [Epub ahead of print]

Comment: Interesting successful case report of non-invasive ventilation in an opioid overdose with severe respiratory failure.

31. Safety studies of post-surgical buprenorphinetherapy for mice.

Traul KA, Romero JB, Brayton C, DeTolla L, Forbes-McBean N, Halquist MS, Karnes HT, Sarabia-Estrada R, Tomlinson MJ, Tyler BM, Ye X, Zadnik P, Guarnieri M.

Lab Anim. 2014 Oct 10. pii: 0023677214554216. [Epub ahead of print]

Comment: Can’t access full article. The abstract is confusing to me, but it appears to involve efforts to improve analgesia for lab mice through use of buprenorphine. Unlike human studies, investigators here conducted intentional overdoses.

32. Body packing: a review of general background, clinical and imaging aspects.

Berger FH, Nieboer KH, Goh GS, Pinto A, Scaglione M.

Radiol Med. 2014 Oct 10. [Epub ahead of print]

Comment: Lots of badness can result from this.