Dr. O'Brien is on Doximity
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Office
Chinaberry Dr
Lafayette Hill, PA 19444
Education & Training
- University of Pennsylvania Health SystemFellowship, Pulmonary Disease and Critical Care Medicine, 1995 - 1998
- University of Pennsylvania Health SystemResidency, Internal Medicine, 1991 - 1994
- Uconn School Of MedicineClass of 1991
Certifications & Licensure
- PA State Medical License 1993 - 2024
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012
Publications & Presentations
PubMed
- 7 citationsEfficacy of budesonide/formoterol pressurized metered-dose inhaler versus budesonide pressurized metered-dose inhaler alone in Hispanic adults and adolescents with ast...James Zangrilli, Lyndon E. Mansfield, Tom Uryniak, C.D. O'Brien
Annals of Allergy, Asthma & Immunology. 2011-09-01 - 166 citationsInvolvement of human PECAM-1 in angiogenesis and in vitro endothelial cell migrationGaoyuan Cao, Christopher D. O'Brien, Zhao Zhou, Samuel M. Sanders, Jordan N. Greenbaum
American Journal of Physiology. Cell Physiology. 2002-05-01 - 52 citationsPECAM-1–dependent neutrophil transmigration is independent of monolayer PECAM-1 signaling or localizationChristopher D. O'Brien, Poay Lim, Jing Sun, Steven M. Albelda
Blood. 2003-04-01
Journal Articles
- Model‐Based Investigation of Inadequate Efficacy of Tesnatilimab, an Anti–Natural Killer Group 2 Member D Monoclonal Antibody, in Moderately to Severely Active Crohn D...Jie Zhou PhD, Yan Xu MD, PhD, FCP, Yang Chen PhD, Jie Shao PhD, Yaming Su PhD, Zhenhua Xu MD, PhD, FCP, Honghui Zhou PhD, FCP, FAAPS, Christopher O'Brien PhD, MD, The Journal of Clinical Pharmacology, 5/17/2023
- Ustekinumab as Induction and Maintenance Therapy for Ulcerative ColitisBruce E. Sands, M.D. https://orcid.org/0000-0001-5762-5042, William J. Sandborn, M.D., Remo Panaccione, M.D., Christopher D. O’Brien, M.D., Ph.D., Hongyan Zhang, Ph.D...., NEJM, 9/25/2019
Grant Support
- Mechanisms Of PECAM-1 Signaling In Endothelial CellsNational Heart, Lung, And Blood Institute2000–2002
Professional Memberships
- Fellow
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