Research Letter

Trends in Injecting Methamphetamine and Opioids Among People Who Inject Drugs in the US

JAMA 10.1001/jama.2025.20347

November 26, 2025 at 11:00 AM EST

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This study examines trends in injecting methamphetamine and opioids among people who inject drugs entering drug treatment in the US.

Corresponding Authors: Eshan U. Patel, PhD, MPH, Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, 615 N Wolfe St, Room E6533, Baltimore, MD 21205 (epatel6@jhmi.edu); Aaron A. R. Tobian, MD, PhD, Department of Pathology, School of Medicine, Johns Hopkins University, 600 N Wolfe St, Carnegie Room 437, Baltimore, MD 21287 (atobian1@jhmi.edu).

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