Publications by authors named "Hemalkumar B Mehta"

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Weight Changes From Glucagon-Like Peptide-1 Receptor Agonist Use and Discontinuation: A Retrospective Cohort Study.
G Caleb Alexander, Yizhen Xu, Xuya Xiao, Sydney V Lewis, Scott Zeger, Hemalkumar B Mehta

Obesity (Silver Spring)· November 2025

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HIV Infection and Long COVID: A RECOVER Program, Electronic Health Record-Based Cohort Study.
Kellie L Hawkins, Dima Dandachi, Zoe Verzani, M Daniel Brannock, Colby Lewis, Hemalkumar B Mehta

Clin Infect Dis· October 2025

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Use of Glucagon-Like Peptide-1 Agonists Among Individuals Undergoing Bariatric Surgery in the US.
Minji Kim, Michael A Schweitzer, Ji Soo Kim, G Caleb Alexander, Hemalkumar B Mehta

JAMA Surg· October 2025

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Addressing Missingness in Predictive Models That Use Electronic Health Record Data.
Shanshan Lin, Rolf H H Groenwold, Hemalkumar B Mehta, Ji Soo Kim, Jodi B Segal

Ann Intern Med· October 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

Am J Epidemiol· October 2025

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Association Between Metformin Use and Mortality Among Individuals With Non-Small Cell Lung Cancer Receiving Immune Checkpoint Inhibitors: A Retrospective Cohort Study.
Xinyi Sun, James Heyward, Joseph C Murray, G Caleb Alexander, Hemalkumar B Mehta

J Immunother· September 2025

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Racial and Ethnic Disparities in Cancer Mortality and Mediating Effects of Sociodemographic, Clinicopathologic, and Treatment Factors.
Olajumoke A Olateju, Hassan E Arekemase, Hemalkumar B Mehta, Ahizechukwu C Eke, Chan Shen

J Racial Ethn Health Disparities· September 2025

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Comparative safety and effectiveness of apixaban and rivaroxaban for treatment of cancer-associated venous thromboembolism: A retrospective cohort study.
Jingjing Sun, Hemalkumar B Mehta, Jodi B Segal, G Caleb Alexander

PLoS Med· September 2025

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Harm-Benefit Balance of Immune Checkpoint Inhibitors in Non-Small Cell Lung Cancer.
James Heyward, Catherine R Lesko, Joseph C Murray, Hemalkumar B Mehta, Jodi B Segal

JAMA Oncol· July 2025

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The authors reply.
Asad E Patanwala, Xuya Xiao, Thomas E Hills, Alisa M Higgins, Colin J McArthur, Hemalkumar B Mehta

Crit Care Med· June 2025

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US Public Health Gains from Improved Treatment of Hypercholesterolemia: A Simulation Study of NHANES Adults Treated to Guideline-Directed Therapy.
G Caleb Alexander, Jill Curran, Alejandro Victores, Hemalkumar B Mehta, Shanshan Lin

J Gen Intern Med· June 2025

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Comparative Effectiveness of Albumin vs No Albumin on Renal Replacement Therapy and Mortality in Patients With Septic Shock and Renal Impairment.
Asad E Patanwala, Alexander H Flannery, Hemalkumar B Mehta, Thomas E Hills, Colin J McArthur

Chest· April 2025

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Exploring the association between intention and action in deprescribing.
Hemalkumar B Mehta, Vishaldeep K Sekhon, Emily Reeve, Orla C Sheehan, Cynthia M Boyd

J Am Geriatr Soc· April 2025

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Validation of Immune-Related Adverse Event (irAE) Case Definitions in a Real-World Lung Cancer Population.
James S Heyward, Jodi B Segal, Hemalkumar B Mehta, Joseph C Murray

Pharmacoepidemiol Drug Saf· February 2025

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Comparative Effectiveness of Baricitinib Versus Tocilizumab in Hospitalized Patients With COVID-19: A Retrospective Cohort Study of the National Covid Collaborative.
Asad E Patanwala, Xuya Xiao, Thomas E Hills, Alisa M Higgins, Colin J McArthur, Hemalkumar B Mehta

Crit Care Med· January 2025

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Hospital-Level Variation in COVID-19 Treatment Among Hospitalized Adults in the United States: A Retrospective Cohort Study.
G Caleb Alexander, Brian T Garibaldi, Huijun An, Kathleen M Andersen, Matthew L Robinson, Hemalkumar B Mehta

Med Care· January 2025

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Effect of nirmatrelvir/ritonavir (Paxlovid) on hospitalization among adults with COVID-19: An electronic health record-based target trial emulation from N3C.
Abhishek Bhatia, Alexander J Preiss, Xuya Xiao, M Daniel Brannock, G Caleb Alexander, Hemalkumar B Mehta

PLoS Med· January 2025

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Comparative Effectiveness and Safety of Direct Oral Anticoagulants vs Warfarin among Nursing Home Residents with Atrial Fibrillation: A Retrospective Cohort Study.
Hemalkumar B Mehta, Xuya Xiao, Huijun An, G Caleb Alexander

J Am Med Dir Assoc· December 2024

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Managing Drug-Drug Interactions-So Many Drugs, So Little Evidence.
Hemalkumar B Mehta, G Caleb Alexander

JAMA Netw Open· September 2024

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Nirmatrelvir/Ritonavir (Paxlovid) Use Among Individuals at Risk of Severe COVID-19: An Analysis of the National COVID Cohort Collaborative (N3C).
Xuya Xiao, G Caleb Alexander, Hemalkumar B Mehta

Pharmacoepidemiol Drug Saf· August 2024

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Deprescribing medications among patients with multiple prescribers: A socioecological model.
Armando Silva Almodóvar, Michelle S Keller, Jiha Lee, Hemalkumar B Mehta, Veena Manja

J Am Geriatr Soc· March 2024

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Risk of Major Bleeding Associated with Concomitant Direct-Acting Oral Anticoagulant and Clopidogrel Use: A Retrospective Cohort Study.
Y Joseph Hwang, Hsien-Yen Chang, Thomas Metkus, Kathleen M Andersen, Sonal Singh, Hemalkumar B Mehta

Drug Saf· March 2024

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Association of cancer diagnosis with disability status among older survivors of colorectal cancer: a population-based retrospective cohort study.
Shiming Zhang, Lin-Na Chou, Michael D Swartz, Hemalkumar B Mehta, James S Goodwin

Front Oncol· March 2024

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Potential drug-drug interactions among U.S. adults treated with nirmatrelvir/ritonavir: A cross-sectional study of the National Covid Cohort Collaborative (N3C).
Xuya Xiao, Hemalkumar B Mehta, Jill Curran, Brian T Garibaldi, G Caleb Alexander

Pharmacotherapy· December 2023

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Risk factors associated with post-acute sequelae of SARS-CoV-2: an N3C and NIH RECOVER study.
Elaine L Hill, Hemalkumar B Mehta, Suchetha Sharma, Klint Mane, Sharad Kumar Singh

BMC Public Health· October 2023

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