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Read: Billions From Opioid Settlements Are Finally Arriving. Here’s How the Money Can Be Spent Wisely.

Evidence Base

Billions From Opioid Settlements Are Finally Arriving. Here’s How the Money Can Be Spent Wisely.

September 29, 2026

Featured Experts: Rosalie Liccardo Pacula, PhD, Seema (Choksy) Pessar, MPP

Read: Fentanyl Purity and Overdose Decline: A Reexamination of Geographic Trends

Journal Article

Fentanyl Purity and Overdose Decline: A Reexamination of Geographic Trends

September 16, 2026

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: Black Overdose Deaths Have Surged. Geography Helps Explain Why.

News

Black Overdose Deaths Have Surged. Geography Helps Explain Why.

September 2, 2025

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: Using Policy and Innovation to Improve Life-Saving Access to Naloxone

Journal Article

Using Policy and Innovation to Improve Life-Saving Access to Naloxone

November 4, 2024

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: Association of Daily Doses of Buprenorphine With Urgent Health Care Utilization

Journal Article

Association of Daily Doses of Buprenorphine With Urgent Health Care Utilization

September 25, 2024

Featured Experts: Sarah Axeen, PhD, Rosalie Liccardo Pacula, PhD

Read: As Overdose Epidemic Shifts, Higher Doses of Addiction Treatment May Benefit Patients Long Term

News

As Overdose Epidemic Shifts, Higher Doses of Addiction Treatment May Benefit Patients Long Term

September 25, 2024

Read: The Impact of Medicaid Institutions for Mental Disease Exclusion Waivers on the Availability of Substance Abuse Treatment Services and the Varying Effect by Ownership Type

Journal Article

The Impact of Medicaid Institutions for Mental Disease Exclusion Waivers on the Availability of Substance Abuse Treatment Services and the Varying Effect by Ownership Type

July 5, 2024

Featured Experts: John Romley, PhD, Rosalie Liccardo Pacula, PhD

Read: America’s Opioid Ecosystem: How Leveraging System Interactions Can Help Curb Addiction, Overdose, and Other Harms

Journal Article

America’s Opioid Ecosystem: How Leveraging System Interactions Can Help Curb Addiction, Overdose, and Other Harms

September 15, 2023

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: Investigating the Complexity of Naloxone Distribution: Which Policies Matter for Pharmacies and Potential Recipients

Journal Article

Investigating the Complexity of Naloxone Distribution: Which Policies Matter for Pharmacies and Potential Recipients

April 29, 2023

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: Interrupted Time Series Analysis: Patient Characteristics and Rates of Opioid-Use-Disorder-Related Emergency Department Visits in the Los Angeles County Public Hospital System during COVID-19

Journal Article

Interrupted Time Series Analysis: Patient Characteristics and Rates of Opioid-Use-Disorder-Related Emergency Department Visits in the Los Angeles County Public Hospital System during COVID-19

March 29, 2023

Featured Experts: Sarah Axeen, PhD

Read: During the Height of the Opioid Epidemic, the Out-of-Pocket Price of Naloxone Increased by Over 500%

Evidence Base

During the Height of the Opioid Epidemic, the Out-of-Pocket Price of Naloxone Increased by Over 500%

October 17, 2022

Featured Experts: Rosalie Liccardo Pacula, PhD

Journal Article

Trends in Out-of-Pocket Costs for Naloxone by Drug Brand and Payer in the US, 2010-2018

August 19, 2022

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: Spatial and Temporal Trends in the Diagnosis of Opioid-Related Problems in Commercially-Insured Adolescents and Young Adults

Journal Article

Spatial and Temporal Trends in the Diagnosis of Opioid-Related Problems in Commercially-Insured Adolescents and Young Adults

August 12, 2022

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: Comparison of Hospital Claims and Poison Center Data to Evaluate Health Impact of Opioids, Cannabis and Synthetic Cannabinoids

Journal Article

Comparison of Hospital Claims and Poison Center Data to Evaluate Health Impact of Opioids, Cannabis and Synthetic Cannabinoids

January 17, 2022

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: New USC Schaeffer Research Maps State and Federal Responses to the Opioid Crisis During the COVID-19 Pandemic

News

New USC Schaeffer Research Maps State and Federal Responses to the Opioid Crisis During the COVID-19 Pandemic

November 19, 2021

Read: Assessment of State and Federal Health Policies for Opioid Use Disorder Treatment During the COVID-19 Pandemic and Beyond

Journal Article

Assessment of State and Federal Health Policies for Opioid Use Disorder Treatment During the COVID-19 Pandemic and Beyond

November 19, 2021

Featured Experts: Seema (Choksy) Pessar, MPP, Rosalie Liccardo Pacula, PhD

Read: Flipping the Script: The Effects of Opioid Prescription Monitoring on Specialty-Specific Provider Behavior

Journal Article

Flipping the Script: The Effects of Opioid Prescription Monitoring on Specialty-Specific Provider Behavior

November 14, 2021

Featured Experts: Alberto Ortega, PhD

Read: Claims-Based Measures of Prescription Opioid Utilization: A Practical Guide for Researchers

Journal Article

Claims-Based Measures of Prescription Opioid Utilization: A Practical Guide for Researchers

September 22, 2021

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: The Effect of State Policies on Rates of High-Risk Prescribing of an Initial Opioid Analgesic

Journal Article

The Effect of State Policies on Rates of High-Risk Prescribing of an Initial Opioid Analgesic

June 28, 2021

Featured Experts: Rosalie Liccardo Pacula, PhD

Read: COVID-19 and Addiction: 20 Pressing Questions Answered

Evidence Base

COVID-19 and Addiction: 20 Pressing Questions Answered

July 30, 2020

Featured Experts: Rosalie Liccardo Pacula, PhD