Chronic Rhinosinusitis

Longitudinal, multi-source, curated datasets, offering rapid access to deep clinical data, insights and outcomes in Chronic Rhinosinusitis (CRS).

Research-Grade RWD in CRS

Unmet Need

Chronic rhinosinusitis with nasal polyps is a condition that can cause numerous, frustrating symptoms, from sinus pain and nose stuffiness to loss of smell. Nasal polyps are growths in the nose or sinuses. Treatment includes nasal or oral medications, biologic injections, and surgery. However, these polyps could grow back.


CRS patients with deep clinical data longitudinally followed by specialists with mean follow-up of 8.3 years (100% with linked EMR & claims).

*Counts complete through Q2 2024

3.7 million+*

CRS patients in the OM1 Real-World Data Cloud that can be used for modeling, analysis, and other research purposes

A Closer Look at the Chronic Rhinosinusitis Network

3.5 million Chronic Rhinosinusitis patients in the OM1 Real-World Data Cloud

Peer-Reviewed Journal

Gliklich R, Castro M, Leavy MB, Press VG, Barochia A, Carroll CL, Harris J, Rittner SS, Freishtat R, Panettieri RA Jr, Mosnaim GS. Harmonized Outcome Measures for Use in Asthma Patient Registries and Clinical Practice. The Journal of Allergy and Clinical Immunology. 2019; pii: S0091-6749(19)30342-2. DOI: 10.1016/j.jaci.2019.02.025.


White paper

Gliklich RE, Leavy MB, Li F. Standardized Library of Asthma Outcome Measures. Research White Paper. (Prepared by L&M Policy Research, LLC under Contract No. 290-2014-00004-C.) AHRQ Publication No. 19-EHC004-EF. Rockville, MD: Agency for Healthcare Research and Quality; April 2019.

Award-Winning Research Team

Our team of award-winning researchers have authored hundreds publications, including scientific posters, articles in peer-reviewed journals, white papers, and books.

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