Faculty & Staff bios

JaeJin An, PhD

Assistant Professor

College of Pharmacy

E-Mail: jan@westernu.edu

Phone: 8778


Ph.D. 2011
University of Southern California, Los Angeles, CA

B.Pharm. 2003
Ewha Woman’s University, South Korea

Research Interest

Her research interests include Comparative Effectiveness, Medication Utilization, Medication Adherence, Pharmacoeconometrics, Health Outcomes, and Comorbidity Management.

Research Grant

Principle Investigator, “Unmet Anticoagulation Needs Among Non-Valvular Atrial Fibrillation Patients Managed within an Integrated Healthcare Delivery System”, Bristol-Myers Squibb, 2012-2015
Principle Investigator, “Diabetes Retinal Screening in a Managed Care Setting”, Genentech, 2013-2014
Principle Investigator, “Cardiovascular Risk in Patients with Rheumatoid Arthritis in a Managed Care Setting”, Bristol-Myers Squibb, 2012-2014
Co-Investigator, “Cardiovascular and Prostatic Safety of Testosterone Therapy in Aging Males”, National Institute of Aging, R01 Program, 2012-2014
Co-Investigator, “Impact of medication therapy discontinuation on glycemic control and health care utilization in patients with diabetes”, Merck, 2013-2014


An J, Lang D, Fang N, et al. Time in Therapeutic Range ≥55% versus <55% on Warfarin Therapy Outcomes in Non-Valvular Atrial Fibrillation Patients. J Am Coll Cardiol. 2014;63(12_S):.  doi:10.1016/S0735-1097(14)60359-4

An J, Nichol MB. Multiple Medication Adherence and its Effect on Clinical Outcomes Among Patients With Comorbid Type 2 Diabetes and Hypertension. Med Care. 2013 Oct;51(10):879-87.

Nichol MB, Wu J, An JJ, et al. Budget Impact Analysis of New Prostate-Specific Antigen Assay and Index for Prostate Cancer Detection. Prostate Cancer and Prostatic Diseases. 2011;14:253-261.

Zeng F, An JJ, Scully R, et al. The Impact of Value-Based Benefit Design on Adherence to Diabetes Medications: A Propensity Score-Weighted Difference in Difference Evaluation. Value in Health. 2010;13:846-852