Approved Data Requests

PCODR strives to support transparency of research conducted using data accessed from the repository. PCODR provides a summary of each approved request to access data that includes:

the name of the approved user
the name of the data being accessed
the purpose of the research
an annual summary of all findings (including negative findings)

Approved Project PI	Data Requested	Research Title	Date RDUA* Signed	Application	Project Status	Findings Summary
Claire Snyder	PRO-TECT: Electronic Patient Reporting of Symptoms During Outpatient Cancer Treatment, United States, 2017-2022 (PCODR 39449)	Using AI/ML to Improve the Equity, Effectiveness, and Actionability of ePRO Symptom Monitoring: Secondary Data Analysis	09/24/2025	Project 58269	Active
William Becker	Veterans’ Pain Care Organizational Improvement Comparative Effectiveness (VOICE) Study, United States, 2017-2022 (PCODR 38893)	Exploring Associations Between Pain Outcomes, Care Models, and Patient Characteristics Using the VOICE Study Data	09/10/2025	Project 57681	Active
Sharmala Thuraisingam	Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA), United States, 2016-2020 (PCODR 38541)	Development of Two Prediction Models to Personalise Treatment Decisions for Patients with Acute Appendicitis	08/19/2025	Project 57639	Active
Opal Ousley	Comparing Two Ways to Manage Symptoms for Patients Who Have Chronic Migraine and Frequent Medication Use (The MOTS Trial), United States, 2017-2020 (PCODR 38546)	Studying the Impacts of Migraines on Anxiety and Depression	05/22/2025	Project 54797	Active
Zoran Bursac	Comparing Two Ways to Manage Symptoms for Patients Who Have Chronic Migraine and Frequent Medication Use (The MOTS Trial), United States, 2017-2020 (PCODR 38546)	Longitudinal Analysis of Factors Influencing Anxiety and Depression in Chronic Migraine Patients: A Study using MOTS Trial	04/03/2025	Project 50849	Active
Patrick Guziewicz	HERO Registry: Creating and Using a Community Registry to Understand the Experiences of Healthcare Workers and Their Communities during COVID-19, United States, 2020-2022 (PCODR 39153)	Burnout, Social Support, and the Stress Process Among Healthcare Workers During the COVID-19 Pandemic	04/01/2025	Project 56365	Active
Long Nguyen	Open Label, Randomized, Multicenter, Comparative Effectiveness Trial of Specific Carbohydrate and Mediterranean Diets to Induce Remission in Patients with Crohn’s Disease (DINE-CD), United States, 2017-2020 (PCODR 38590)	Meta-analysis of the Gut Microbiome in Inflammatory Bowel Disease	03/31/2025	Project 55539	Active
Fan Li	Aspirin Dosing: A Patient-Centric Trial Assessing Benefits and Long-term Effectiveness (ADAPTABLE), United States, 2015-2020 (PCODR 38609)	Multiply robust estimation for causal survival analysis with treatment noncompliance	03/18/2025	Project 55875	Active
Rosalba Radice	Aspirin Dosing: A Patient-Centric Trial Assessing Benefits and Long-term Effectiveness (ADAPTABLE), United States, 2015-2020 (PCODR 38609)	Causal Survival Analysis with Treatment Noncompliance Using a Semiparametric Transformation Survival Model	03/05/2025	Project 55805	Completed
Marc Buyse	Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA), United States, 2016-2020 (PCODR 38541)	Generalized pairwise comparisons to estimate the benefit risk of using antibiotics over Appendectomy for Appendicitis	01/27/2025	Project 45557	Active
James Haws	Study to Promote Innovation in Rural Integrated Telepsychiatry (SPIRIT), Arkansas, Michigan, and Washington, 2016-2020 (PCODR 38542)	Differential item functioning and measurement invariance of the PCL-5	08/05/2024 (last extended on 08/01/2025)	Project 45991	Completed	Annual Report
James McAuley	Targeted Interventions to Prevent Chronic Low Back Pain in High Risk Patients: A Multi-Site Pragmatic Randomized Controlled Trial (TARGET Trial), 4 U.S. cities, 2016-2019 (PCODR 38145)	Transportability of Analgesic Medicines for Low Back Pain	07/13/2023 (last extended on 07/30/2025)	Project 42183	Active	Annual Report

*RDUA stands for Restricted Data Use Agreement. Access to the data expires one year from the date the Restricted Data Use Agreement was signed by the Institutional Representative. Six-month extensions are granted on a case-by-case basis. Summer Program Workshop temporary RDUAs only provide access for the duration of the workshop.

PCODR Workshops

Title	Study	Instructors	Year	Workshop Name
Comparing the Effectiveness of behavioral Interventions fro Chronic Pain and Opioid Use	Integrated Health Services to Reduce Opioid Use While Managing Chronic Pain (INSPIRE Trial), North Carolina and Tennessee, 2019-2023 (ICPSR 39271)	Lauren A. McCormack, UNC Gillings School of Global Public Health Laura K. Wagner, RTI International	2026	PCODR Summer Program Workshop
Overview and Data Analysis Examples of the Comprehensive Post-Acute Stroke Services Study (COMPASS), a Pragmatic Trial of Post-Stroke Transitional Care Attendees	Comprehensive Post-Acute Stroke Services (COMPASS) Study, North Carolina, 2016-2018 (PCODR 38185)	Sara Jones Berkeley, UNC Gillings School of Global Public Health Pamela Duncan, Wake Forest University; Baptist Medical Center	2025	PCODR Summer Program Workshop
Accessing/Using Clinical Trial Data from PCODR & Other Data Sources: Highlighting the COMBINE Study Attendees	Comparative Effectiveness of Anti-TNF in Combination with Low Dose Methotrexate vs Anti-TNF Monotherapy in Pediatrics Crohn’s Disease (COMBINE), United States, 2015-2022 (PCODR 38680)	Michael Kappleman, University of North Carolina Jeremy Adler, University of Michigan Sara Britt, University of Michigan	2024	PCODR Summer Program Workshop
Overview and Data Analysis Examples of the Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA) Randomized Clinical Trial Attendees	Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA), United States, 2016-2020 (PCODR 38541)	Sarah Monsell, University of Washington	2023	PCODR Summer Program Workshop