Is This Methadone’s Moment?

Methadone has been shown to be highly effective for opioid use disorder (OUD). So why is it still so difficult to prescribe in the United States and is that about to change?

A recent study from Canada adds to the growing body of evidence supporting methadone’s effectiveness in treating OUD and bolsters efforts to expand access in the United States by removing restrictive barriers.

This paper included more than 30,000 patients with OUD and showed those on methadone were almost 60% significantly less likely to stop treatment at 24 months than their peers assigned to buprenorphine/naloxone (adjusted hazard ratio [aHR], 1.58), with no difference in mortality risk (aHR, 0.57).

“In Canada, unlike the US, methadone and buprenorphine/naloxone are both available in office-based settings. Methadone really outperforms buprenorphine/naloxone in being able to retain people in treatment, which is our main goal and comes with a host of benefits,” Bohdan Nosyk, PhD, with Simon Fraser University in Burnaby, British Columbia, Canada, who worked on the study, told Medscape Medical News.

In addition, a recent systematic review and meta-analysis of relevant research involving more than 1 million patients with OUD also showed better treatment retention with methadone than with buprenorphine.

During the COVID-19 pandemic, relaxed methadone regulations, that included take-home medications, did not lead to an increase in overdoses. Instead, these changes improved treatment retention and patient experiences, highlighting the potential benefits of further deregulation.

‘Atrocious’ Outdated Policies

However, despite methadone’s proven efficacy and safety for OUD, it remains vastly underutilized due to outdated US policies restricting its use to opioid treatment programs (OTPs).

“It’s absolutely atrocious that methadone policies have not kept up with the evidence. If you look at other countries that have expanded their access to methadone, their overdose rates have fallen dramatically,” Leslie Suen, MD, with the University of California San Francisco and co-author of a recent JAMA Viewpoint on this topic, told Medscape Medical News.

“Methadone is a very good medication that’s been shown over and over to be very effective and safe,” Alan Leshner, PhD, past director of the National Institute on Drug Abuse, told Medscape Medical News.

“There is no reason why it couldn’t be administered through pharmacies or through physicians’ offices as long as it’s done in a controlled and careful way,” said Leshner.

Leshner chaired the committee that produced the report 2019 — Medications for Opioid Use Disorder Save Lives.

“We learned during COVID that increasing the amount of take-home methadone and increasing access does not lead to an increase in deaths or an increase in overdose, so it’s hard to find a reason not to do it,” he said.

Change Finally on the Horizon?

Several recent and proposed policy changes could revolutionize methadone delivery in the United States.

In March 2022, in response to the pandemic, the Drug Enforcement Administration (DEA) allowed hospitals to dispense up to a 3-day supply of methadone (known as the 72-hour rule) to bridge care transitions without needing OTPs.

In April 2024, the Substance Abuse and Mental Health Services Administration and DEA codified many methadone and buprenorphine delivery flexibilities granted temporarily during the pandemic, including increased use of telehealth assessments and earlier access to take-home methadone doses.

Another contemporary policy change is expansion of the Americans with Disabilities Act mandating that patients taking medications for OUD, such as methadone, be able to continue treatment when transitioning to settings such as hospitals, jails, and skilled nursing facilities.

At the state level, California Governor Gavin Newsom recently signed a bill, effective immediately, that expands access to methadone treatment in his state.

On the horizon at the federal level is the Modernizing Opioid Treatment Access Act (MOTAA) — the bipartisan and bicameral bill introduced by Sens. Markey and Rand Paul (R-KY), along with Reps. Donald Norcross (NJ-01) and Don Bacon, (NE-02) — that would allow methadone to be prescribed by addiction specialists and dispensed in community pharmacies.

An Ethical Imperative

“With only about 2000 OTP clinics clustered in urban areas, less than 25% of people who are diagnosed with opioid use disorder are actually able to access methadone,” Caty Simon, with the National Survivors Union, Greensboro, North Carolina, and co-author of the JAMA Viewpoint, told Medscape Medical News.

While MOTAA represents a major step forward, limiting methadone prescribing to addiction specialists may not fully address the treatment gap, particularly in rural and underserved areas, Simon said.

To optimize methadone’s potential, she’d like to see further expansion of prescribing privileges to general healthcare providers.

“As someone with lived and living experience of opioid use and treatment, and somebody who works nationally and locally in organizations of people impacted by drug use, I know people in my area right now — marginalized people of color — who would have much better chances of survival if they were able to access methadone. If MOTAA passed tomorrow, we could save so many lives. There is an ethical imperative to pass it,” Simon told Medscape Medical News.

Leshner said he is “always very concerned about access, particularly for underserved populations, poor people, people living in rural areas. If you can access the medications you need, you’re in big trouble.”

Is this methadone’s moment? “I’m a little optimistic, but I haven’t seen the progress I would like to see,” Leshner said.