Friday, November 2, 2018

Opioidsand Methamphetamine: a tale of two crises

The unchecked acceleration of opioid-related deaths in the USA is, by many measures, the worst of times. Prescriptions peaked in 2012 at more than 255 million (81·3 per 100 persons), then subsequently declined by about 15%. Yet the rate of opioid-related deaths has continued to rise. In the grim ranking of overdose deaths, illegally manufactured fentanyl and analogues have made the most drastic gains, claiming over 20 100 Americans in 2016. Deaths from natural and semisynthetic opioids, such as oxycodone and morphine, remain exceedingly high (14 400). But while the opioid crisis has exploded, the lull in the methamphetamine epidemic has quietly and swiftly reversed course, now accounting for 11% of the total number of overdose deaths.
The sheer number of opioid-related deaths has dominated the national conversation. However, that focus could distract from the larger issues of use and overdose across classes of drugs. The methamphetamine and opioid crises were previously considered distinct and affecting different populations. But in states including Wisconsin and Oregon, new patterns suggest they are beginning to overlap as increasing numbers of people use both drugs. Methamphetamine and opioid use are destructive and associated with loss of productivity, deleterious effects on families, and siphon substantial resources for intervention and treatment. They are also multifactorial epidemics urged on by underlying conflicts among health-care, law enforcement, industry, and government policies. There are several strong connections between the methamphetamine and opioid crises that have only recently come under scrutiny—namely costs, control, and consequences.
In 2005, at the peak of the methamphetamine epidemic, the economic burden was placed as high as US$48·3 billion. In comparison, a February, 2018 analysis by the health research firm Altarum estimated the opioid crisis in the USA has cost in excess of $1 trillion, with an estimated price tag of $115 billion for 2017 alone. Individual and private sector costs are enormous, but these are not trivial numbers in the scope of the federal budget. The Trump administration's 2019 total proposed budget for Health and Human Services is only $68·4 billion, although it is reportedly seeking to expand opioid funding by $13 billion for prevention and treatment. Many experts have suggested that it is too little, too late. Although, the epidemic was declared a national emergency in October, 2017, the President's Commission on opioids has led to little more than calls for a border wall to impede suppliers and has largely been derided for failing to meaningfully include drug policy experts.
Previous control efforts with methamphetamine have relevant policy implications for opioids. In 2012, over the protests of pharmaceutical companies, Congress authorised the Drug Enforcement Agency to limit over-the-counter sales of decongestants containing pseudoephedrine used to synthesise methamphetamine. Availability was dampened for a few years, but cheap, high-quality methamphetamine produced in Mexico has now flooded the market. US Customs and Border Protection have reported a massive increase in methamphetamine seizures and use nationally has risen to about 4%. The shift in public health priorities to opioids has left the methamphetamine market to flourish and primed for resurgence.
Access to opioids is notably more varied, reaching users via prescription and illicit routes. Fentanyl, for example, is produced for legal uses, but weak manufacturing regulations in China have led to illicit exporting. Ramping up US border control in the absence of other prevention and treatment options is a myopic strategy that is unlikely to do much beyond shifting the geolocation of suppliers. Pharmaceutical companies must also be held accountable for the reprehensible and strategic part that they have played in the crisis. In addition to actively promoting misinformation to physicians, evidence, detailed in a February, 2018 Senate report, shows major financial inducements to advocacy groups to promulgate “opioid-friendly messaging”. Most states have now introduced legislation limiting opioid prescriptions, but well funded and powerful lobbying efforts have left drug makers untouched.
As local public health authorities, emergency rooms, and first responders reel from the strain of the thousands of premature deaths caused by opioids, the outlook might be more dire than anticipated as a second methamphetamine wave begins. The co-use of methamphetamine and opioids increases the probable uptick in injection drug use and transmission of HIV, especially in the regions of the USA where public health resources are severely taxed. Without considering the consequences of past efforts and with limited bandwidth and funding pledged to provide intervention and treatment, these crises will merge, and the winter of despair will rage on.
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