Since joining Optum in 1992, Valery Walker’s research has spanned numerous therapeutic areas and types of projects. She specializes in observational primary data collection studies linking administrative claims data to patient surveys and/or chart reviews.
Walker has experience in disease management programs, burden of illness studies, cross sectional and prospective observational “real world” studies, pragmatic trials, retrospective chart reviews, administrative claims and electronic health record (EHR) analysis.
Her therapeutic areas cover work in osteoporosis, schizophrenia, depression, wound management, rheumatoid arthritis, fungal infections, osteoarthritis, gout, chronic obstructive pulmonary disease, diabetic macular edema, constipation and atopic dermatitis.
Walker received her MSc from the Department of Clinical Epidemiology and Biostatistics at McMaster University, with a focus on the design, measurement and evaluation of health care research. She has published over 25 manuscripts in peer-reviewed journals.
Harris SB, Mohammedi K, Bertolini M, White J, Walker V, Zhou FL, Anderson JE, Seufert J. Patient perspectives and experiences with basal insulin titration in type 2 diabetes in the United States: A cross-sectional survey. Diabetes Obes Metab. 2023;1‐5. doi:10. 1111/dom.14973
Brakenridge SC, Wilfret DA, Maislin G, Andrade KE, Walker V, May AK, Dankner WM, Bulger EM. Resolution of organ dysfunction as a predictor of long-term survival in necrotizing soft tissue infections: Analysis of the AB103 Clinical Composite Endpoint Study in Necrotizing Soft Tissue Infections trial and a retrospective claims database-linked chart study. J Trauma Acute Care Surg. 2021;91(2):384-392. DOI: 10.1097/TA.0000000000003183
Wei W, Ghorayeb E, Andria ML, Walker V, Schnitzer J, Kennedy M, Chen Z, Belland A, White J, Silverberg JI. A real-world study evaluating adeQUacy of Existing Systemic Treatments for patients with moderate-to-severe Atopic Dermatitis (AD-QUEST): Baseline treatment patterns and unmet needs assessment. Ann Allergy Asthma Immunol. 2019;123(4):381-388.
Strange C, Walker V, DePietro M, Tong J, Kurlander J, Carlyle M, Millette L, Wittbrodt E. Patient-reported outcomes of dual bronchodilator fixed-dose combination versus bronchodilator monotherapy in individuals with COPD. Int J Chron Obstruct Pulmon Dis. 2019:14;1377-1388.
Walker V, Patel H, Kurlander JL, Essoi B, Yang J, Mahableshwarkar AR, Samp JC, Akhras KS. Association between cognitive function and health care costs 3 months and 6 months after initiating antidepressant medication for depressive disorders. J Manag Care Spec Pharm. 2015 Sep;21(9):742-52.
Khanna PP, Shiozawa A, Walker V, Bancroft T, Essoi B, Akhras KS, Khanna D. Health-related quality of life and treatment satisfaction in patients with gout disease: results from a cross-sectional study in a managed care setting. Patient Prefer Adherence. 2015 Jul;9:971-81.
HEOR, Health Economics Outcomes Research, Health Economics, PDC, Primary Data Collection, Algorithm development