Conference Roundup: CPDD 2026

Effects of Incarceration on SUD Outcomes

• Sean Murphy, PhD, Weill Cornell Medical College, CHERISH Co-director, Chair
• When: 10:00 AM–11:00 AM, Effects of Incarceration on SUD Outcomes

Strategies to Reduce Overdose Mortality Among People With Opioid Use Disorder Incarcerated in Connecticut: An Allocative Efficiency Analysis

• Scott Braithwaite, PhD, NYU Grossman School of Medicine, CHERISH Research Affiliate, Co-author
• When: 10:00 AM–11:00 AM, Effects of Incarceration on SUD Outcomes

Beyond Incarceration: Exploring the Economic Costs of Criminal Legal Activity

• Sean Murphy, PhD, Weill Cornell Medical College, CHERISH Co-director, Presenter
• Ali Jalali, PhD, Weill Cornell Medicine, CHERISH Methodology Core Co-director, Co-author
• Kathryn McCollister, PhD, University of Miami Miller School of Medicine, CHERISH Methodology Core Director, Co-author
• Michael Dennis, PhD, Chestnut Health Systems, CHERISH Research Affiliate, Co-author
• When: 10:00 AM–11:00 AM, Effects of Incarceration on SUD Outcomes

Mini Symposium: Machine-Learning Approaches to Overdose Risk Prediction — Implementation Challenges and Lessons Learned

• Brandon Marshall, PhD, Brown University School of Public Health, Research Affiliate, Chair
• When: 10:00 AM–11:00 AM, Mini Symposium: Machine-Learning Approaches to Overdose Risk Prediction

A Re-Aim Implementation Evaluation of Community Naloxone Distribution Strategies in the Massachusetts Healing Communities Study

• Alexander Walley, MD, MSc, Boston Medical Center, CHERISH investigator, Co-author
• Jeffrey Samet, MD, MPH, MA, Boston Medical Center, Advisory Board Member, Co-author
• When: 2:15 PM–3:15 PM, Just Do It — Methods for Naloxone Distribution

Impact of Telehealth Use on Buprenorphine Treatment Episode Duration in the United States

• Mohammad Jalali, PhD, MSc, Harvard Medical School, CHERISH Research Affiliate, Co-author
• When: 2:15 PM–3:15 PM, One Call, That’s All! Telehealth Advances in SUD Treatment

Poster Session I

Do Social Support and Quality of Life Predict Harm Reduction Behavior Adoption During Opioid Overdose Spikes?

• Thomas Stopka, PhD, MHS, Tufts University School of Medicine, CHERISH Research Affiliate, Co-author

Barriers and Facilitators to Implementation of Cocaine and Methamphetamine-Specific Post-Overdose Services Among Post-Overdose Programs in Massachusetts: An Explanatory Sequential Mixed Methods Approach

• Alexander Walley, MD, MSc, Boston Medical Center, CHERISH investigator, Co-author

Universal Opt-Out HCV Testing and Treatment on Entry in California State Prisons

• Ziping Ye, MS, PhD, Stanford University School of Medicine, 2025-2026 CHERISH pilot grant recipient, Presenter
• Joshua Salomon, PhD, Stanford University School of Medicine, CHERISH Research Affiliate, Co-author

Advancing Equity in Carceral Settings: Jail Staff Perspectives on Racial and Ethnic Inequity in Carceral Medication for Opioid Use Disorder Treatment

• Thomas Stopka, PhD, MHS, Tufts University School of Medicine, CHERISH Research Affiliate, Co-author

Identifying Digital Interventional Targets to Help the Helpers: Dynamic Changes in Perceived Stress and Emotion Regulation Predicted Nicotine Use in the Daily Lives of Emergency Medical Service Clinicians

• Lisa Marsch, PhD, Dartmouth College, Advisory Board Member, Co-author

Maternal Perceptions of PrEP: A Qualitative Sub-Study of Women Using Substances at Risk for HIV

• Jennifer Brown, PhD, Purdue University, CHERISH Research Affiliate, Co-author

Impact of Oregon’s Measure 110 on the Availability of Medications for Opioid Use Disorder Prescribers and Opioid Treatment Programs

• Tami Mark, PhD, MBA, RTI International, CHERISH Research Affiliate, Co-author

Substance Use and Emotional Regulation Among Patients in Remission From Opioid Use Disorder in Primary Care

• Alexander Walley, MD, MSc, Boston Medical Center, CHERISH investigator, Co-author

Are Medicaid Payment and Billing Policies Aligned With Updated Federal Regulations for Methadone? A Policy Synthesis

• Allison Ju-Chen Hu, PhD, Tulane University Celia Scott Weatherhead School of Public Health and Tropical Medicine, CHERISH Research Affiliate, Co-author
• Shashi Kapadia, MD, MS, Weill Cornell Medicine, CHERISH Research Affiliate, Co-author
• Yuhua Bao, PhD, Weill Cornell Medicine, CHERISH Pilot Grant, Training & Mentoring Core Director, Co-author

Effects of Involuntary Civil Commitment for Opioid Use Disorder Treatment Among Recent Overdose Survivors in Massachusetts, 2015–2022

• Benjamin Bovell-Ammon, MD, MPH, Baystate Medical Center, 2024-2025 CHERISH pilot grant recipient, Presenter
• Alexander Walley, MD, MSc, Boston Medical Center, CHERISH investigator, Co-author
• Peter Friedmann, MD, MPH, FASAM, FACP, UMass Chan Medical School, CHERISH Research Affiliate, Co-author

Profiles of Barriers to Seeking Substance Use Treatment: Associations With Reported Substance Use, Substance Use Treatment, and Demographic Variables

• Jennifer Brown, PhD, Purdue University, CHERISH Research Affiliate, Co-author

A Pilot RCT of a Patient Choice Navigation Intervention to Improve HIV and SUD Prevention and Treatment for Criminal Legal-Involved People who Use Drugs

• Adati Tarfa, PhD, PharmD, Yale University, 2024-2025 CHERISH pilot grant recipient, Presenter

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Pain and Opioids: Integrated Treatment in Veterans (POSITIVE) Study

• Katie Witkiewitz, PhD, University of New Mexico, Advisory Board Member, Speaker
• When: 8:00 AM–9:30 AM, Invited Symposium: NIDA-Supported SUD Therapeutics Development Research

Provider- and Patient-Perceived Benefits and Concerns About the Use of Artificial Intelligence in Healthcare Settings for People Who Use Drugs

• Brandon Marshall, PhD, Brown University School of Public Health, Research Affiliate, Co-author
• When: 10:00 AM–11:00 AM, Positive Prompting — Use of AI in SUD Treatment

Characterizing “Dabbing” as a Novel, Dominant Route of Fentanyl Administration in Southern California

• Chelsea Shover, PhD, University of California, Los Angeles, CHERISH Research Affiliate, Co-author
• When: 2:15 PM–3:15 PM, Stranger Than Sasquatch — Emerging Trends in SUD Science

Geographic and Demographic Inequities in MOUD Initiation Among Medicaid Beneficiaries

• Babasoji Oyemakinde, PhD, Weill Cornell Medicine, 2025–2026 CHERISH Pilot Grant Recipient, Presenter
• Ali Jalali, PhD, Weill Cornell Medicine, CHERISH Methodology Core Co-director, Co-author
• Sean Murphy, PhD, Weill Cornell Medical College, CHERISH Co-director, Co-author
• When: 3:45 PM–4:45 PM, Medicaid, Medican! Harnessing Medicaid Data to Improve Outcomes

Multi-Method Assessment of Xylazine Exposure Among People Who Inject Drugs in Lowell, Massachusetts, 2025

• Thomas Stopka, PhD, MHS, Tufts University School of Medicine, CHERISH Research Affiliate, Co-author
• When: 3:45 PM–4:45 PM, ___ in the Punchbowl — Update on Adulterants in the Illicit Drug Supply

Poster Session II

Trajectory Analysis of Buprenorphine Treatment Episodes Based on Daily Buprenorphine Dosage and Associated Characteristics

• Benjamin Linas, MD, MPH, Boston Medical Center, CHERISH Population Data & Modeling Core Director, Co-author
• Jeffrey Samet, MD, MPH, MA, Boston Medical Center, Advisory Board Member, Co-author

Characterization of Engagement With a Mobile Health Application for Managing Substance Use and HIV

• Marlon Mundt, PhD, University of Wisconsin School of Medicine and Public Health, CHERISH Research Affiliate, Co-author

Is Stigma Associated With How Providers Prioritized Medical Conditions During the COVID-19 Pandemic? An Analysis of Data From a National Survey

• Daniel Feaster, PhD, MS, University of Miami Miller School of Medicine, CHERISH Research Affiliate, Co-author
• Harold Pollack, PhD, MPP, University of Chicago, CHERISH Research Affiliate, Co-author

Satisfaction, Usability, and Engagement With the Healthy Women Digital Intervention for Women in Treatment for Opioid Use Disorder

• Lisa Marsch, PhD, Dartmouth College, Advisory Board Member, Co-author

Changes in Prevalence of Substance Use Disorder Diagnosis After Partial Drug Decriminalization in Oregon

• Tami Mark, PhD, MBA, RTI International, CHERISH Research Affiliate, Co-author

Online Recruitment of People Who Inject Drugs for Online-Based Surveys: Lessons From the HOME Study

• Hamer Villamizar, MA, Weill Cornell Medicine, CHERISH Staff, Presenter
• Czarina Behrends, PhD, MPH, Weill Cornell Medicine, CHERISH Research Affiliate, Co-author

Contingency Management at Scale: A Re-Aim Evaluation of the First Two Years of California’s Recovery Incentives Program for the Treatment of Stimulant Use Disorder

• Brittany Bass, PhD, UCLA Integrated Substance Abuse Programs, CHERISH Research Affiliate, Co-author

Harm Reduction Access and Willingness to Use Mail-Based Harm Reduction Services Among Women Who Inject Drugs in the U.S.

• Hamer Villamizar, MA, Weill Cornell Medicine, CHERISH Staff, Presenter
• Czarina Behrends, PhD, MPH, Weill Cornell Medicine, CHERISH Research Affiliate, Co-author

Do Criminal Legal Perspectives About the Factors Driving Crime Map Onto Data From People Who Use Drugs? A Multi-Source, Multi-Method Analysis of Qualitative and Quantitative Data in Appalachian Kentucky

• Javier Cepeda, PhD, MPH, Johns Hopkins Bloomberg School of Public Health, CHERISH Research Affiliate, Presenter

Drug-Related Overdose and All-Cause Mortality After Jail Release in Colorado During 2015–2023

• Joshua Barocas, MD, University of Colorado Anschutz Medical Campus, CHERISH Research Affiliate, Co-author

The Effect of Cannabis Legalization on Youth Cannabis Use: Evidence on the Importance of Enforcing Retailer Compliance

• Catherine Maclean, PhD, George Mason University, CHERISH Research Affiliate, Co-author

Stressful and Traumatic Life Events Across Key Demographics Among Overdose Responders Who Use Drugs in Reno, Nevada

• Annick Bórquez, PhD, University of California, San Diego, CHERISH Research Affiliate, Co-author

Co-Designing Data Dissemination Products to Improve Substance Use Services and Outcomes Using Data-Driven Decision-Making: A Novel Implementation Strategy and Rapid Qualitative Analysis

• Erika Crable, PhD, MPH, University of California, Los Angeles, CHERISH Research Affiliate, Co-author

Long-Acting Buprenorphine vs. Naltrexone Opioid Treatments in CJS-Involved Adults (EXIT CJS): A Randomized Controlled Multisite Trial

• Lisa Marsch, PhD, Dartmouth College, Advisory Board Member, Co-author

Mapping Microcosting Data to Evaluate Scalability, Transportability, Generalizability, and Sustainability: A Conceptual Framework for SUD Interventions

• Kathryn McCollister, PhD, University of Miami Miller School of Medicine, CHERISH Methodology Core Director , Presenter
• Andria Eisman, PhD, MPH, MS, Wayne State University, CHERISH Research Affiliate, Co-author
• Linda Sprague Martinez, PhD, UConn Health, CHERISH investigator, Co-author
• Sean Murphy, PhD, Weill Cornell Medical College, CHERISH Co-director, Co-author

Digital Health Tracking and Personalized Feedback Preferences Among Young Adults With and Without Alcohol or Cannabis Use Disorder

• Katie Witkiewitz, PhD, University of New Mexico, Advisory Board Member, Co-author

County- And State-Level Variation in Spending Effectiveness for Opioid Use Disorder in the United States, 2010–2019

• Bulat Idrisov, MD, MSc, University of Washington, 2023-2024 CHERISH pilot grant recipient, Presenter

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Symposium: Overdose Prevention Centers and Other Harm Reduction Services in Latin American Cities — An Update on Novel Developments and Challenges

• Annick Bórquez, PhD, University of California, San Diego, CHERISH Research Affiliate, Co-Chair
• Noa Krawczyk, PhD, NYU Grossman School of Medicine, CHERISH Research Affiliate, Chair
• When: 8:00 AM–9:30 AM, Symposium: Overdose Prevention Centers in Latin American Cities

Estimated Impact on Overdose Deaths and Costs of Medicaid Changes in the One Big Beautiful Bill Act

• Benjamin Linas, MD, MPH, Boston Medical Center, CHERISH Population Data & Modeling Core Director, Co-author
• Hana Zwick, MSc, Boston Medical Center, CHERISH Staff, Co-author
• Jocelyn Vititow, BS, Boston Medical Center, CHERISH Staff, Co-author
• When: 10:00 AM–11:00 AM, Crystal Balls But Make It Nerdy — Simulation and Modelling Methods to Predict Opioid Use

A Framework to Determine Naloxone Saturation With Simulation Modeling and Cost-Effectiveness Methods

• Zongbo Li, PhD, Standford University School of Medicine, 2025-2026 CHERISH pilot grant recipient, Presenter
• Alexander Walley, MD, MSc, Boston Medical Center, CHERISH investigator, Co-author
• Brandon Marshall, PhD, Brown University School of Public Health, CHERISH Research Affiliate, Co-author
• Bruce Schackman, PhD, MBA, Weill Cornell Medicine, CHERISH Director, Co-author
• Czarina Behrends, PhD, MPH, Weill Cornell Medicine, CHERISH Research Affiliate, Co-author
• Xiao Zang, PhD, University of Minnesota, CHERISH Research Affiliate, Co-author
• When: 10:00 AM–11:00 AM, Crystal Balls But Make It Nerdy — Simulation and Modelling Methods to Predict Opioid Use

Heal D2A Modeling and Economic Resource Center (MERC): Semi-Structured Interviews to Support Opioid Intervention Decision-Making

• Benjamin Linas, MD, MPH, Boston Medical Center, CHERISH Population Data & Modeling Core Director, Co-author
• Caroline Savitzky, MSW, Boston Medical Center, CHERISH Staff, Co-author
• Dimitri Baptiste, MS, Boston Medical Center, CHERISH Staff, Co-author
• Hana Zwick, MSc, Boston Medical Center, CHERISH Staff, Co-author
• Jocelyn Vititow, BS, Boston Medical Center, CHERISH Staff, Co-author
• Stavroula Chrysanthopoulou, PhD, Brown University School of Public Health, CHERISH Research Affiliate, Co-author
• When: 10:00 AM–11:00 AM, Crystal Balls But Make It Nerdy — Simulation and Modelling Methods to Predict Opioid Use

In With the New — Innovations in Methadone Treatment

• Michael Dennis, PhD, Chestnut Health Systems, CHERISH Research Affiliate, Co-Chair
• When: 3:45 PM – 4:45 PM, In With the New — Innovations in Methadone Treatment

Uptake of Take-Home Dosing of Methadone Among Medicaid Patients: A Multi-State Analysis of 2020–2021 National Medicaid Data

• Yuhua Bao, PhD, Weill Cornell Medicine, CHERISH Pilot Grant, Training & Mentoring Core Director, Presenter
• Shashi Kapadia, MD, MS, Weill Cornell Medicine, CHERISH Research Affiliate, Co-author
• When: 3:45 PM–4:45 PM, In With the New — Innovations in Methadone Treatment

Using Remote Monitoring With Sonara mHealth to Increase Take-Home Methadone Dosing and Reduce Illicit Drug Use for Long-Term Opioid Treatment Program Clients: A Mixed Methods Clinical Trial

• Michael Dennis, PhD, Chestnut Health Systems, CHERISH Research Affiliate, Presenter
• When: 3:45 PM–4:45 PM, In With the New — Innovations in Methadone Treatment

Poster Session III

Not All Lived Experience Is Created Equal: Lived Experience Heterogeneity, Racial-Ethnic Bias, and Drug-Induced Homicide Law Support

• Susan Busch, PhD, Yale School of Public Health, CHERISH Research Affiliate, Co-author

Participant Perceptions of a Peer-Led Motivational Interviewing Intervention to Promote Drug Checking

• Annick Bórquez, PhD, University of California, San Diego, CHERISH Research Affiliate, Co-author

Development, Acceptability, and Usability of the Humor and Addiction Recovery (HA!) App With Adults in Early Recovery From Addiction

• Lisa Marsch, PhD, Dartmouth College, Advisory Board Member, Co-author

Experiences of a Community Advisory Board With Substance Use Simulation Modeling

• Benjamin Linas, MD, MPH, Boston Medical Center, CHERISH Population Data & Modeling Core Director, Co-author
• Caroline Savitzky, MSW, Boston Medical Center, CHERISH Staff, Co-author
• Hana Zwick, MSc, Boston Medical Center, CHERISH Staff, Co-author
• Jocelyn Vititow, BS, Boston Medical Center, CHERISH Staff, Co-author

Returning to Communities to Close the Feedback Loop on Community Approaches to End the Opioid Overdose Crisis in the Massachusetts Healing Communities Study (HCS)

• Jeffrey Samet, MD, MPH, MA, Boston Medical Center, Advisory Board Member, Presenter

“We Were Focused So Long on Opioids That Stimulants Have Always Been Under the Rug”: Adapting Post-Overdose Outreach for Cocaine and Methamphetamine-Involved Events

• Alexander Walley, MD, MSc, Boston Medical Center, CHERISH investigator, Co-author

Provider Substance Use History Associated With Attitudes and Clinical Practices Toward Patients With Substance Use Disorder

• Daniel Feaster, PhD, MS, University of Miami Miller School of Medicine, CHERISH Research Affiliate, Co-author
• Harold Pollack, PhD, MPP, University of Chicago, CHERISH Research Affiliate, Co-author

Social Norms of Recreational Cannabis Use After Its Decriminalization in Georgia: A Qualitative Study

• Jeffrey Samet, MD, MPH, MA, Boston Medical Center, Advisory Board Member, Co-author

Perspectives of Clinicians on Drug Testing in Opioid Use Disorder Care

• Brendan Saloner, PhD, Brown University School of Public Health, CHERISH Research Affiliate, Co-author

Hepatitis C Attitudes and Practices Among US Addiction Medicine Physicians

• Shashi Kapadia, MD, MS, Weill Cornell Medicine, CHERISH Research Affiliate, Co-author

Medicaid Enrollees With Injection Drug-Related Endocarditis: Medications for Opioid Use Disorder and Association With Mortality

• Shashi Kapadia, MD, MS, Weill Cornell Medicine, CHERISH Research Affiliate, Presenter
• Fiona Gispen, MD, MS, Weill Cornell Medicine, 2024-2025 CHERISH pilot grant recipient, Co-author
• Yuhua Bao, PhD, Weill Cornell Medicine, CHERISH Pilot Grant, Training & Mentoring Core Director, Co-author

Homelessness and Polysubstance Use Among Pregnant Women: Comparing Opioid-Only, Opioid–Methamphetamine, and Other Opioid Co-Use Patterns

• Sugy Choi, MS, PhD, NYU Grossman School of Medicine, CHERISH Research Affiliate, Presenter

Recovery Capital Outcomes Associated With an Access to Recovery Program

• Madison Ashworth, PhD, Fletcher Group, Inc., CHERISH Research Affiliate, Presenter

Transitions in Housing Status and Associations With Substance Use Behaviors in a Cohort of People Who Use Drugs in San Diego, California

• Annick Bórquez, PhD, University of California, San Diego, CHERISH Research Affiliate, Co-author
• Joshua Barocas, MD, University of Colorado Anschutz Medical Campus, CHERISH Research Affiliate, Co-author
• Natasha Martin, DPhil, University of California, San Diego, CHERISH Research Affiliate, Co-author

Triangulating Data Sources From a Phase 1 Feasibility and Acceptability Study of a Pharmacist-Integrated Collaborative Model for the Treatment of Opioid Use Disorder (PrIMO, CTN-0116) to Refine Implementation

• Lisa Marsch, PhD, Dartmouth College, Advisory Board Member, Co-author

Evaluating Stakeholder Perspectives on Implementation and Sustainment of a Community-Pharmacy-Based Prescription Drug Monitoring Program Opioid Risk Assessment/Intervention Tool

• Jennifer Brown, PhD, Purdue University, CHERISH Research Affiliate, Co-author
• Lisa Marsch, PhD, Dartmouth College, Advisory Board Member, Co-author

An Emulated Trial of Initiating Sublingual Buprenorphine-Naloxone Versus Extended-Release Buprenorphine for Opioid Use Disorder

• Alexander Walley, MD, MSc, Boston Medical Center, CHERISH investigator, Co-author
• Benjamin Bovell-Ammon, MD, MPH, Baystate Medical Center, 2024-2025 CHERISH pilot grant recipient, Co-author

What Does It Cost to Bring Care to the Community? A Micro-Costing Analysis of a Mobile Retail Pharmacy

• Adati Tarfa, PhD, PharmD, Yale University, 2024-2025 CHERISH pilot grant recipient, Presenter
• Czarina Behrends, PhD, MPH, Weill Cornell Medicine, CHERISH Research Affiliate, Co-author

Recent Homelessness and High Frequency Emergency Department Use Among People Who Inject Drugs in Baltimore, Maryland

• Javier Cepeda, PhD, MPH, Johns Hopkins Bloomberg School of Public Health, CHERISH Research Affiliate, Co-author

Linking Justice-Involved Individuals With Opioid Use Disorder to Primary Care Post-Release: Costs to Implement Transitions Clinic Network Post-Incarceration Addiction Treatment, Healthcare, and Social Support (TCN PATHS)

• Kathryn McCollister, PhD, University of Miami Miller School of Medicine, CHERISH Methodology Core Director, Co-author

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Drivers of Engagement and Connections to Care at the Nation’s First State-Sanctioned Overdose Prevention Center: A Qualitative Study

• Brandon Marshall, PhD, Brown University School of Public Health, CHERISH Research Affiliate, Co-author
• When: 10:00 AM–11:00 AM, Making Sense of It All — Harnessing Qualitative Data

Stigma as a Barrier to Implementing a Paired Peer Recovery Coach and Case Manager Intervention for People Who Use Drugs With Criminal Legal System Involvement: Qualitative Findings From the Reducing Opioid Mortality in Illinois Study

• Harold Pollack, PhD, MPP, University of Chicago, CHERISH Research Affiliate, Co-author
• When: 10:00 AM–11:00 AM, Making Sense of It All — Harnessing Qualitative Data

Non-Abstinent Endpoints in Alcohol Use Disorder Clinical Trials

• Katie Witkiewitz, PhD, University of New Mexico, Advisory Board Member, Speaker
• When: 11:15 AM–12:45 PM, Invited Symposium: Non-Abstinence Endpoints in Substance Use