iNPHORM Publications & Disseminations

Ratzki-Leewing A. Aging in the face of diabetes: Severe hypoglycemia in older adults. Canadian Diabetes & Endocrinology Today. 2024; In press.

Ratzki-Leewing A, Black JE, Kahkoska AR, Ryan BL, Zou GY, Klar N, Timcevska K, Harris SB. Severe (level 3) hypoglycaemia in a real-world cohort of adults with type 1 or 2 diabetes mellitus (iNPHORM, United States). Diabetes Obes Metab, 2023; 25(12):3736-3747. doi:10.1111/dom.15268

Ratzki-Leewing A, Black JE, Ryan BL, Zou GY, Klar N, Webster-Bogaert S, Timcevska K, Harris S. Development and validation of a real-world model to predict one-year, recurrent Level 3 (severe) hypoglycaemia risk in adults with diabetes (the iNPHORM study, United States). Diabetes Obes Metab, 2023; 25(10):2910-2927. doi:10.1111/dom.15186

Black JE, Harris SB, Ryan BL, Zou GY, Ratzki-Leewing A. Real-world effects of second-generation versus earlier intermediate/basal insulin analogues on rates of hypoglycemia in adults with type 1 and 2 diabetes (iNPHORM, US). Diabetes Ther. 2023; 4(8):1299-1317. doi: 10.1007/s13300-023-01423-3.

Ratzki-Leewing, A, Black, JE, Ryan, BL, Harris, SB. Real-world risk factors of confirmed or probable COVID-19 in Americans with diabetes: A prospective, community-based study (iNPHORM). Endocrinol Diab Metab. May 29, 2022; 00:e342. PMID: 35644866. doi: 10.1002/edm2.342

Alexandria Ratzki-Leewing, Bridget L. Ryan, Guangyong Zou, Susan Webster-Bogaert, Jason E. Black, Kathryn Stirling, Kristina Timcevska, Nadia Khan, John D. Buchenberger, Joseph W. Dickens JW, Stewart B. Harris "Predicting real-world hypoglycemia risk in American adults with type 1 or 2 diabetes mellitus prescribed insulin and/or secretagogues: Protocol for a prospective, 12-wave internet-based panel survey with email support" Submitted to Journal of Medical Internet Research September 20, 2021 accepted January 6, 2022 JMIR Res Protoc. 2022 Jan 6. doi: 10.2196/33726. Online ahead of print https://pubmed.ncbi.nlm.nih.gov/35025756/ Print version February 11, 2022 https://www.researchprotocols.org/2022/2/e33726/

Ratzki-Leewing AA, Ryan BL, Buchenberger JD, Dickens JW, Black JE,Harris SB. DC21-0128 - "The COVID-19 hinterland: surveilling the self-reported impacts of the pandemic on diabetes management in the USA (cross-sectional results of the iNPHORM study). BMJ Open. 2021 Sep 2;11(9):e049782. doi: 10.1136/bmjopen-2021-049782. https://www.nbi.nlm.nih.gov/pubmed/34475174

Harris S, Ratzki-Leewing A, Poon Y, Rabasa-Lhoret R. FRONTIER – FReeStyle Libre use in ONtario among patients with Type 2 diabetes mellitus in the IC/ES database – Evidence from Real-world Practice: patients aged ≥66 years on GLP1 RA and/or oral therapies. Oral Presentation at The 60th Annual Meeting of the European Association for the Study of Diabetes. Madrid, ES. Sept 10th-13th, 2024. EASD Media Centre

Harris S, Rabasa-Lhoret R, Ratzki-Leewing A, Poon Y. FRONTIER—Flash Glucose Monitoring System Use in Ontario among Patients with DM in the ICES Database—Evidence from Real-World Practice. Diabetes, 2024; 73(Supplement_1):1923-LB. Poster Presentation at The American Diabetes Association’s 84th Scientific Sessions. Orlando, FL. Jun 21st-24th, 2024. doi: https://doi.org/10.2337/db24-1923-LB

Ratzki-Leewing A, Black J, Kahkoska A, Ryan B, Harris S. Real-world estimates of severe hypoglycaemia and associated healthcare utilisation in the US: prospective, longitudinal results of the iNPHORM study. Diabetologia. 2022; 65(Suppl 1):1-469.  https://link.springer.com/article/10.1007/s00125-022-05755-w

Alexandria Ratzki-Leewing, Stewart B. Harris, Jason E. Black, Guangyong Zou, Susan Webster-Bogaert, Bridget L. Ryan; 371-P: Predicting Real-World Nonsevere Hypoglycemia in Americans with Diabetes (iNPHORM). Diabetes 1 June 2022; 71 (Supplement_1): 371–P. https://doi.org/10.2337/db22-371-P

Alexandria Ratzki-Leewing, Stewart B. Harris, Jason E. Black, Guangyong Zou, Susan Webster-Bogaert, Bridget L. Ryan; 372-P: Predicting Real-World Severe Hypoglycemia in Americans with Diabetes (iNPHORM). Diabetes 1 June 2022; 71 (Supplement_1): 372–P. https://doi.org/10.2337/db22-372-P

Ratzki-Leewing A, Harris S, Zou GY, Ryan B; A tool not a treatment: the effect of long-term continuous /flash glucose monitoring on real-world hypoglycemia rates (iNPHORM study); Diabetes Technology & Therapeutics. Apr 2022. A-1-A-237. http://doi.org/10.1089/dia.2022.2525.

A.Ratzki-Leewing, S. Harris, S. Webster-Bogaert, G. Zou, B.L. Ryan; Real-world severe hypoglycemia incidence across Canada and the United States; Accepted for Oral Poster International Diabetes Federation Virtual Congress 2021 Diabetes Research and Clinical Practice publication reference in progress

Ratzki-Leewing A, Harris S, Black JE, Khan N, Timcevska K, Ryan BL, Zou GY; COVID-19 Impact on diabetes management (iNPHORM, USA); Can J Diabetes, Volume 45, ISSUE 7, SUPPLEMENT, S3, November 01, 2021 DOI: https://doi.org/10.1016/j.jcjd.2021.09.012

Ratzki-Leewing A, Harris S, Black JE, Ryan BL, Zou GY; How COVID-19 has impacted diabetes management in the United States (iNPHORM study); Diabetologia. 2021 64(Suppl.1): S362 https://doi.org/10.1007/s00125-021-05519-y This abstract was selected by EASD for media press release

Alexandria Ratzki-Leewing, Jason E. Black, Bridget L. Ryan, Guangyong Zou, Stewart B. Harris, London, ON, Canada. Why Some Americans Use Healthcare Following Severe Hypoglycemia, And Why Some Do Not: Baseline Results Of The iNPHORM Study. Diabetes 2021 Jun;70(Supplement 1) 347-P https://doi.org/10.2337/db21-347-P

Ratzki-Leewing A, Harris S, Black J, Stirling K, Zou G, Ryan B. Second-generation basal insulin analogues: first-choice in reducing real-world severe hypoglycemia (baseline results of the iNPHORM study, USA) Diabetes Technology & Therapeutics Vol 23, Supplement 2, 2021 pg A-89 to A-90. http://doi.org/10.1089/dia.2021.2525.abstracts

Ratzki-Leewing A, Harris S, Ryan, B Zou G. Real-world estimates of severe hypoglycemia and associated healthcare utilization in the US: baseline results of the iNPHORM study. Diabetes Technology & Therapeutics Vol 23, Supplement 2, 2021 pg A-140 http://doi.org/10.1089/dia.2021.2525.

Ratzki-Leewing A, Harris SB, Zou G, Ryan BL. Real-world estimates of severe hypoglycaemia and associated healthcare utilisation in the US: baseline results of the iNPHORM study Diabetologia. 2020.63(Suppl.1):750P, S363 https://doi.org/10.1007/s00125-020-05221-5

Ratzki-Leewing A, Ryan BL, Zou GY, Au NH, Webster-Bogaert S, Harris S. Investigating novel predictions of hypoglycemia occurrence using real-world models (iNPHORM Study): a study protocol. Morressier. (2019). https://doi.org/10.26226/MORRESSIER.5DC53540EA541D6CA8493F87