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  • Sunday, Aug 24th
    10:30 AM - 10:45 AM ET
    1G-01 - Performance of Different Methods to Handle Multicollinearity for Propensity Score Matching: A Monte Carlo Simulation Study
    Presenting Author: Michael, Chun-Yuan Cheng – National Cheng Kung University
    Co-Author: Chris, Tzu-Ting Su, PharmD – Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
    Co-Author: Edward Chia-Cheng Lai, PhD – Population Health Data Center, National Cheng Kung University
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Sunday, Aug 24th
    10:45 AM - 11:00 AM ET
    1G-02 - Improving confounding control by statin utilization prior to follow-up for 1-year mortality in US older adults – proof of concept
    Presenting Author: Tiansheng Wang, PharmD, PhD – Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
    Co-Author: Virginia Pate – University of North Carolina at chapel hill
    Co-Author: Keturah Faurot – Department of Physical Medicine and Rehabilitation, School of Medicine, University of North Carolina at Chapel Hill
    Co-Author: Emilie D. Duchesneau, PhD – Department of Epidemiology and Prevention, Division of Public Health Sciences, Wake Forest University School of Medicine
    Co-Author: Robert Glynn – Brigham and Women's Hospital
    Co-Author: Dae Hyun Kim, MD, ScD – Harvard Medical School
    Co-Author: Jennifer L. Lund, PhD, MSPH – Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
    Co-Author: Til Stürmer, MD, PhD – Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Sunday, Aug 24th
    11:00 AM - 11:15 AM ET
    1G-03 - Empirical Validation of Negative Control Outcomes for Detecting Residual Confounding in Pharmacoepidemiology: A Real-World Data Application
    Presenting Author: Jeong-eun Park – University of Maryland School of Pharmacy
    Co-Author: Susan dosReis, PhD – University of Maryland School of Pharmacy
    Co-Author: Wendy Camelo Castillo, MD, MSc, PhD – University of Maryland School of Pharmacy
    Co-Author: Xu Shi – University of Michigan
    Co-Author: Martijn Schuemie, PhD – Global Epidemiology, Johnson & Johnson
    Co-Author: Fang Tian – Office of Surveillance and Epidemiology, Center for Drug Evaluation and Research, U.S. Food and Drug Administration
    Co-Author: Wei Hua – United States Food and Drug Administration
    Co-Author: Yong Ma – Office of Biostatistics, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, MD
    Co-Author: Zafar Zafari, MS, PhD – University of Maryland School of Pharmacy
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Sunday, Aug 24th
    11:15 AM - 11:30 AM ET
    1G-04 - The Relationship Between Sample Size and Standardized Mean Differences for Variable Selection: a Simulation Study
    Presenting Author: Karen Diepstra – University of North Carolina at Chapel Hill
    Co-Author: Paul N. Zivich – University of North Carolina at Chapel Hill
    Co-Author: Daniel Westreich – University of North Carolina at Chapel Hill
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Sunday, Aug 24th
    3:45 PM - 4:00 PM ET
    2F-02 - Performances of the Deep Learning Approach to Nonparametric Propensity Score Estimation with Optimized Covariate Balance in Small Samples
    Presenting Author: Hoa Le – Daiichi Sankyo Co.
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Sunday, Aug 24th
    4:00 PM - 4:15 PM ET
    2C-03 - Use of Proximal Causal Inference to Address Unmeasured Confounding in Target Trial Emulation: Empirical Example on Influenza Vaccination and Stroke
    Presenting Author: Jinxin Guo – Key Laboratory of Epidemiology of Major Diseases, Ministry of Education/Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
    Co-Author: Tiansheng Wang, PharmD, PhD – Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
    Co-Author: Zhike Liu – Key Laboratory of Epidemiology of Major Diseases, Ministry of Education/Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
    Co-Author: Siyan Zhan, PhD, MD – School of Public Health, Peking University
    Co-Author: Yang Xu – Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University, Beijing, China
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Sunday, Aug 24th
    4:45 PM - 5:00 PM ET
    2F-06 - Differentiating Between Uncontrolled Confounding and Heterogenous Treatment Effects in Individualized Treatment Effect Prediction Models Using Machine Learning: Leveraging Negative Controls
    Presenting Author: Gerard Portela, PhD – Brigham and Women's Hospital/Harvard Medical School
    Co-Author: Robert Glynn – Brigham and Women's Hospital
    Co-Author: Sebastian Schneeweiss, MD, ScD – Brigham and Women's Hospital and Harvard Medical School
    Co-Author: Rishi Desai, MS, PhD – Harvard Medical School
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Monday, Aug 25th
    8:45 AM - 8:50 AM ET
    3C-05 - Impact of the lookback period, age and gender on the estimation of the incidence of diabetes and heart failure on medico-administrative databases – FIREFLY study
    Co-Author: Clémentine Vabre, PharmD – Heva
    Co-Author: Nassia Naïmi – Heva
    Co-Author: Jérôme Fernandez – CH Cote Basque
    Co-Author: Juliette Longin – Perle Expertise
    Co-Author: Antoine Neuraz – Stane
    Co-Author: Cécile Gineste – Heva
    Co-Author: Nicolas Pages – Heva
    Presenting Author: Fanny Raguideau, PharmD – Heva
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Monday, Aug 25th
    4:15 PM - 4:30 PM ET
    4G-01 - The Value of the Pattern of Change in ATT and ATU After Trimming When Interpreting Trimmed Estimates: An Example Comparing New Users of SSRIs and SNRIs
    Presenting Author: Michael Webster-Clark – Wake Forest University
    Co-Author: Gwen Aubrac, MscPH – McGill University
    Co-Author: Robert W. Platt, PhD – Centre for Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital, Montreal, Quebec, Canada
    Co-Author: Robert Glynn – Brigham and Women's Hospital
    Co-Author: Til Stürmer, MD, PhD – Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Monday, Aug 25th
    4:30 PM - 4:45 PM ET
    4G-02 - Application of the high-dimensional propensity score on medico administrative databases: an example in assessing comparative mortality in COPD patients on triple therapy.
    Co-Author: Arnaud Panes – Heva
    Co-Author: Japheth Baloumba-Nzamba – Heva
    Co-Author: Cécile Gineste – Heva
    Co-Author: Baptiste Pitel – Heva
    Co-Author: Nada Assi – Heva
    Presenting Author: Fanny Raguideau, PharmD – Heva
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Monday, Aug 25th
    5:00 PM - 5:15 PM ET
    4G-04 - Temporal High Dimensional Propensity Score (thdPS): A Novel Approach to Improve Confounding Control by Incorporating Temporality to High Dimensional variables
    Presenting Author: Tiansheng Wang, PharmD, PhD – Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
    Co-Author: Virginia Pate – University of North Carolina at chapel hill
    Co-Author: Richie Wyss – Brigham and Women’s Hospital
    Co-Author: Til Stürmer, MD, PhD – Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Monday, Aug 25th
    5:15 PM - 5:30 PM ET
    4G-05 - Assessing U-Comparability of Negative Controls Using Proxy Variables for Unmeasured Confounders: A Simulation Study
    Presenting Author: Jeong-eun Park – University of Maryland School of Pharmacy
    Co-Author: Susan dosReis, PhD – University of Maryland School of Pharmacy
    Co-Author: Wendy Camelo Castillo, MD, MSc, PhD – University of Maryland School of Pharmacy
    Co-Author: Xu Shi – University of Michigan
    Co-Author: Martijn Schuemie, PhD – Global Epidemiology, Johnson & Johnson
    Co-Author: Fang Tian – Office of Surveillance and Epidemiology, Center for Drug Evaluation and Research, U.S. Food and Drug Administration
    Co-Author: Yong Ma – Office of Biostatistics, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, MD
    Co-Author: Wei Hua – United States Food and Drug Administration
    Co-Author: Zafar Zafari, MS, PhD – University of Maryland School of Pharmacy
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Monday, Aug 25th
    5:30 PM - 5:45 PM ET
    4G-06 - Quantifying selection bias due to hospital pressures in pharmacoepidemiological studies of COVID-19
    Presenting Author: Marleen Bokern – London School of Hygiene and Tropical Medicine
    Co-Author: Christopher T. Rentsch, PhD, FISPE – London School of Hygiene & Tropical Medicine
    Co-Author: Anna Schultze – London School of Hygiene and Tropical Medicine
    Co-Author: Ian Douglas – London School of Hygiene and Tropical Medicine
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Tuesday, Aug 26th
    9:30 AM - 9:45 AM ET
    5B-05 - The Dangers of Stabilizing Censoring Weights
    Presenting Author: Michael Webster-Clark – Wake Forest University
    Co-Author: Gwen Aubrac, MscPH – McGill University
    Co-Author: Alexander Breskin – Regeneron Pharmaceuticals, Inc.
    Co-Author: Robert W. Platt, PhD – Centre for Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital, Montreal, Quebec, Canada
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Tuesday, Aug 26th
    9:45 AM - 10:00 AM ET
    5B-06 - Comparing Intention-to-Treat and As-Treated Analyses with Informative Censoring Bias Adjustment in Observational Data
    Presenting Author: Gwen Aubrac, MscPH – McGill University
    Co-Author: Robert W. Platt, PhD – Centre for Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital, Montreal, Quebec, Canada
    Co-Author: Michael Webster-Clark – Wake Forest University
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Tuesday, Aug 26th
    2:15 PM - 2:30 PM ET
    6F-04 - Bias Due to Interval Censored Outcomes in a Study of Flare Risk after Hydroxychloroquine Taper/Cessation in Systemic Lupus Erythematosus
    Presenting Author: Rima Kaddoura – McGill University
    Co-Author: Sasha Bernatsky – Centre for Outcomes Research and Evaluation, The Research Institute of the McGill University Health Centre
    Co-Author: Celline C. Almeida-Brasil – Centre for Outcomes Research and Evaluation (CORE), The Research Institute of the McGill University Health Centre
    Co-Author: John G. Hanly – Rheumatology, Dalhousie University
    Co-Author: Murray Urowitz – Schroeder Arthritis Institute, Krembil Research Institute, Center for Prognosis Studies in the Rheumatic Diseases, Toronto Western Hospital, University of Toronto
    Co-Author: Ann E. Clarke – Division of Rheumatology, Cumming School of Medicine, University of Calgary
    Co-Author: Guillermo Ruiz-Irastorza – Autoimmune Diseases Research Unit, Biocruces Bizkaia Health Research Institute
    Co-Author: Caroline Gordon – Rheumatology Research Group, University of Birmingham
    Co-Author: Rosalind Ramsey-Goldman – Medicine/Rheumatology, Northwestern University
    Co-Author: Michelle A. Petri – Division of Rheumatology, Johns Hopkins University School of Medicine
    Co-Author: Ellen M. Ginzler – Medicine/Rheumatology, SUNY Downstate Medical Center
    Co-Author: Daniel J. Wallace – Cedars-Sinai/David Geffen School of Medicine at UCLA, Cedars-Sinai Medical Center
    Co-Author: Sang-Cheol Bae – Rheumatology, Hanyang University Institute for Rheumatology and Hanyang University Institute of Bioscience and Biotechnology
    Co-Author: Juanita Romero-Diaz – Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
    Co-Author: Mary-Anne Dooley – Rheumatology, The University of North Carolina at Chapel Hill
    Co-Author: Christine Peschken – Rheumatology, University of Manitoba
    Co-Author: David Isenberg – Medicine (Rheumatology), University College London
    Co-Author: Susan Manzi – Allegheny Singer Research Institute, Allegheny Health Network
    Co-Author: Søren Jacobsen – Copenhagen Lupus and Vasculitis Clinic, Copenhagen University Hospital Center for Rheumatology and Spine Diseases
    Co-Author: S Sam Lim – School of Medicine, Emory University
    Co-Author: Ola Nived – Department of Clinical Science, Rheumatology, Lund University Faculty of Medicine
    Co-Author: Andreas Jönsen – Department of Clinical Science, Rheumatology, Lund University Faculty of Medicine
    Co-Author: Diane L. Kamen – Medicine, Medical University of South Carolina
    Co-Author: Cynthia Aranow – Autoimmune and Musculoskeletal Disease, Feinstein Institute for Medical Research Fertility Research Laboratory
    Co-Author: Jorge Sánchez-Guerrero – Center for Prognosis Studies in the Rheumatic Diseases, Toronto Western Hospital
    Co-Author: Dafna D. Gladman – Center for Prognosis Studies in the Rheumatic Diseases, Toronto Western Hospital
    Co-Author: Paul R. Fortin – Medicine-Rheumatology, Universite Laval
    Co-Author: Graciela S. Alarcon – Medicine, Division of Clinical Immunology and Rheumatology, The University of Alabama at Birmingham
    Co-Author: Joan T. Merrill – Arthritis & Clinical Immunology Program, Oklahoma Medical Research Foundation
    Co-Author: Kenneth Kalunian – Division of Rheumatology, Allergy and Immunology, University of California San Diego
    Co-Author: Manuel Ramos-Casals – Department of Autoimmune Diseases, Hospital Clínic, Universitat de Barcelona
    Co-Author: Asad Zoma – Lanarkshire Centre for Rheumatology, Hairmyres Hospital
    Co-Author: Anca D. Askanase – Rheumatology, Columbia University Medical Center
    Co-Author: Munther Khamashta – Rayne Institute, St Thomas Hospital
    Co-Author: Ian N. Bruce – Arc Epidemiology Unit, The University of Manchester
    Co-Author: Murat Inanc – Internal Medicine Rheumatology, Istanbul University
    Co-Author: Luck Lukusa – Centre for Outcomes Research and Evaluation (CORE), Research Institute of the McGill University Health Centre
    Co-Author: Michal Abrahamowicz – Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine and Health Sciences, McGill University
    Methods in Pharmacoepidemiology / Confounding/Bias
  • Tuesday, Aug 26th
    2:45 PM - 3:00 PM ET
    6F-06 - A Case Study Examining Ranolazine and Seizure Risk to Compare Potential Bias when Using Self-Controlled Study Designs
    Presenting Author: Earl Morris, Pharm.D., M.P.H., Ph.D. – University of Florida
    Co-Author: Chien-Yu Tseng, PharmD – University of Florida College of Pharmacy, Gainesville, FL
    Co-Author: Efe Eworuke – IQVIA
    Methods in Pharmacoepidemiology / Confounding/Bias