Publications by authors named "Charles Leonard"

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High-Throughput Screening Using the Self-Controlled Tree-Based Scan Statistic to Identify Medications Associated With Hospitalization for Severe Acute Liver Injury.
Vincent Lo Re, Craig W Newcomb, Dean M Carbonari, Charles E Leonard, Christopher T Rentsch

Pharmacoepidemiol Drug Saf· December 2025

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Trends in Psychotropic Medication Use, Polypharmacy, and Potential Major Drug-Drug Interactions Among US Youth.
Lin-Chieh Meng, Charles E Leonard, Molly Candon, David S Mandell, Sean Hennessy

J Am Acad Child Adolesc Psychiatry· December 2025

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Trends in Methadone Use for Pain and Opioid Use Disorder Among Medicaid Enrollees.
Yu-Chia Sam Hsu, Ashish P Thakrar, Charles E Leonard, Margaret Lowenstein, Colleen M Brensinger

JAMA Health Forum· November 2025

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Identifying observable medication use time in administrative databases: A tutorial using nursing home residents.
Daniel A Harris, Adam D'Amico, Hemalkumar B Mehta, Lori A Daiello, Sarah D Berry, Charles E Leonard

Am J Epidemiol· October 2025

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Prevalence and Duration of Potential Drug-Drug Interactions Among US Nursing Home Residents, 2018-2020.
Laura A Reich, Lori A Daiello, Sarah D Berry, Adam M D'Amico, Douglas P Kiel, Charles E Leonard

J Am Geriatr Soc· October 2025

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Training a Smoking Status Probabilistic Model Using Cotinine Levels in a Large Claims Database.
Dominique Medaglio, Charles E Leonard, Alisa J Stephens Shields, Robert A Schnoll, Robert Gross

Nicotine Tob Res· October 2025

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The impact of opioid use associated with curative-intent cancer surgery on safe opioid prescribing practice among veterans: An observational study.
Marilyn M Schapira, Sumedha Chhatre, Patience M Dow, Charles E Leonard, Peter Groeneveld

Cancer· September 2025

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Effect of exogenous testosterone on cardiovascular, cerebrovascular, and thromboembolic adverse events: Results of three complementary research designs.
Tat-Thang Vo, Samrat Roy, Ting Ye, Askhan Erterfaie, Thanh Phuong Pham Nguyen, Charles E Leonard

Am J Epidemiol· May 2025

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Concomitant Use of Oral Anticoagulants With Oral Dipeptidyl Peptidase-4 Inhibitors and Serious Bleeding Events.
Thanh Phuong Pham Nguyen, Charles E Leonard, Colleen M Brensinger, Warren B Bilker, Sophie P Chung

Clin Pharmacol Ther· April 2025

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Grace periods and exposure misclassification in self-controlled case-series studies of drug-drug interactions.
Hanxi Zhang, Warren B Bilker, Charles E Leonard, Sean Hennessy, Todd A Miano

Am J Epidemiol· March 2025

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Effect of glucagon-like peptide-1 receptor agonists on vascular risk factors among adults with type 2 diabetes and established atherosclerotic cardiovascular disease.
Aaron King, Xi Tan, Neil Dhopeshwarkar, Rhonda Bohn, Katherine Dea, Charles E Leonard

Am J Prev Cardiol· March 2025

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Risk of Opioid Overdose Associated with Concomitant Use of Methadone and Statins.
Cheng Chen, Todd A Miano, Colleen M Brensinger, Charles E Leonard, Warren B Bilker

Clin Pharmacol Ther· February 2025

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Evaluating the Real-World Safety of Icosapent Ethyl Versus Omega-3 Polyunsaturated Fatty Acid in Nationwide US Veterans Cohort: Examining Atrial Fibrillation and Bleeding Endpoints.
Tanvi Patil, Michael Gregory, Natalie Savona, Nabil Jarmukli, Charles E Leonard

Clin Drug Investig· February 2025

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Psychotropic Medication Use in Children and Youth with Autism Enrolled in Medicaid.
Jessica E Rast, Sha Tao, Whitney Schott, Lindsay L Shea, Edward S Brodkin, Charles E Leonard

J Autism Dev Disord· January 2025

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Evaluation of Drug-Drug Interactions in Pharmacoepidemiologic Research.
Cheng Chen, Thanh Phuong Pham Nguyen, John E Hughes, Sean Hennessy, Charles E Leonard

Pharmacoepidemiol Drug Saf· January 2025

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Association between fine particulate matter and eczema: A cross-sectional study of the All of Us Research Program and the Center for Air, Climate, and Energy Solutions.
Gloria F Chen, Erica Hwang, Charles E Leonard, Jeffrey M Cohen

PLoS One· November 2024

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Recent trends in GLP-1 RA and SGLT2i use among people with type 2 diabetes and atherosclerotic cardiovascular disease in the USA.
Aaron King, Xi Tan, Neil Dhopeshwarkar, Rhonda Bohn, Katherine Dea, Charles E Leonard

BMJ Open Diabetes Res Care· October 2024

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Do relationships between ambient temperature and serious adverse health outcomes vary among users of different antidiabetes drugs? A retrospective cohort study of US Medicaid beneficiaries with type 2 diabetes.
Charles E Leonard, Kacie Bogar, Colleen M Brensinger, Warren B Bilker, Michelle L Bell

BMJ Open· October 2024

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Thinking Three-Dimensionally: A Self- and Externally-Controlled Approach to Screening for Drug-Drug-Drug Interactions Among High-Risk Populations.
Emily K Acton, Sean Hennessy, Michael A Gelfand, Charles E Leonard, Warren B Bilker

Clin Pharmacol Ther· August 2024

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Direct-Acting Oral Anticoagulants and Antiseizure Medications for Atrial Fibrillation and Epilepsy and Risk of Thromboembolic Events.
Emily K Acton, Sean Hennessy, Michael A Gelfand, Charles E Leonard, Warren B Bilker

JAMA Neurol· August 2024

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Comparative Risk of Injury with Concurrent Use of Opioids and Skeletal Muscle Relaxants.
Cheng Chen, Sean Hennessy, Colleen M Brensinger, Todd A Miano, Warren B Bilker, Charles E Leonard

Clin Pharmacol Ther· July 2024

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Combining Super Learner with high-dimensional propensity score to improve confounding adjustment: A real-world application in chronic lymphocytic leukemia.
Neil Dhopeshwarkar, Wei Yang, Sean Hennessy, Joanna M Rhodes, Adam Cuker, Charles E Leonard

Pharmacoepidemiol Drug Saf· January 2024

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Comparative safety of antimuscarinics versus mirabegron for overactive bladder in Parkinson disease.
Danielle S Abraham, Thanh Phuong Pham Nguyen, Craig W Newcomb, Shelly L Gray, Sean Hennessy, Charles E Leonard

Parkinsonism Relat Disord· October 2023

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Off-brand: A 6-year study of medication brand and generic name usage in a multifacility academic healthcare system.
Jackson Steinkamp, Todd E H Hecht, Sean Hennessy, Charles E Leonard, Di Shu

J Hosp Med· September 2023

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Outcomes in infants with unprovoked venous thromboembolism: A retrospective cohort study.
Hilary Whitworth, Lauren A Beslow, Rebecca A Hubbard, Charles E Leonard, Rebecca Scobell

Res Pract Thromb Haemost· May 2023

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