Benjamin Chastek
Optum (United States)(US)
Publications by Year
Research Areas
Inflammatory Bowel Disease, Microscopic Colitis, Biosimilars and Bioanalytical Methods, Rheumatoid Arthritis Research and Therapies, Economic and Financial Impacts of Cancer
Most-Cited Works
- → Health Care Costs for Patients With Cancer at the End of Life(2012)254 cited
- → Economic Burden of Illness Among Patients with Severe Asthma in a Managed Care Setting(2016)123 cited
- → Medical chart validation of an algorithm for identifying multiple sclerosis relapse in healthcare claims(2010)102 cited
- → Estimating the Incidence and Prevalence of Juvenile-Onset Recurrent Respiratory Papillomatosis in Publicly and Privately Insured Claims Databases in the United States(2014)62 cited
- → Racial and ethnic disparity in clinical outcomes among patients with confirmed COVID-19 infection in a large US electronic health record database(2021)51 cited
- → Osteoporotic fracture trends in a population of US managed care enrollees from 2007 to 2017(2020)50 cited
- → Treatment Patterns Among Patients with Psoriatic Arthritis Treated with a Biologic in the United States: Descriptive Analyses from an Administrative Claims Database(2018)44 cited
- → A Retrospective Cohort Study Comparing Utilization and Costs of Biologic Therapies and JAK Inhibitor Therapy Across Four Common Inflammatory Indications in Adult US Managed Care Patients(2016)39 cited
- → Cost and Effectiveness of Biologics for Rheumatoid Arthritis in a Commercially Insured Population(2015)36 cited
- → Treatment Persistence and Healthcare Costs Among Patients with Rheumatoid Arthritis Changing Biologics in the USA(2017)35 cited