G. Todd Alonso, MD
Associate Professor, Pediatrics-Barbara Davis Center

Professional Titles

• Associate Professor
• Medical Director

Recognition & Awards

• Member, Alpha Omega Alpha Honor Society (2005)
  The University of Texas Houston Medical School

Teaching

Publications

• Birkebaek NH, Kamrath C, Grimsmann JM, Aakesson K, Cherubini V, Dovc K, de Beaufort C, Alonso GT, Gregory JW, White M, Skrivarhaug T, Sumnik Z, Jefferies C, Hörtenhuber T, Haynes A, De Bock M, Svensson J, Warner JT, Gani O, Gesuita R, Schiaffini R, Hanas R, Rewers A, Eckert AJ, Holl RW, Cinek O. Impact of the COVID-19 pandemic on long-term trends in the prevalence of diabetic ketoacidosis at diagnosis of paediatric type 1 diabetes: an international multicentre study based on data from 13 national diabetes registries. Lancet Diabetes Endocrinol. 2022 Oct 3. [Epub ahead of print] PubMed PMID: 36202118
• Mann EA, Rompicherla S, Gallagher MP, Alonso GT, Fogel NR, Simmons J, Wood JR, Wong JC, Noor N, Gomez P, Daniels M, Ebekozien O. Comorbidities increase COVID-19 hospitalization in young people with type 1 diabetes. Pediatr Diabetes. 2022 Nov;23(7):968-975. PubMed PMID: 36054578
• Lavik AR, Ebekozien O, Noor N, Alonso GT, Polsky S, Blackman SM, Chen J, Corathers SD, Demeterco-Berggren C, Gallagher MP, Greenfield M, Garrity A, Rompicherla S, Rapaport R, Yayah Jones NH. Trends in Type 1 Diabetic Ketoacidosis During COVID-19 Surges at 7 US Centers: Highest Burden on non-Hispanic Black Patients. J Clin Endocrinol Metab. 2022 Jun 16;107(7):1948-1955. PubMed PMID: 35380700
• Sawyer A, Sobczak M, Forlenza GP, Alonso GT. Glycemic Control in Relation to Technology Use in a Single-Center Cohort of Children with Type 1 Diabetes. Diabetes Technol Ther. 2022 Jun;24(6):409-415. PubMed PMID: 35099306
• Champakanath A, Akturk HK, Alonso GT, Snell-Bergeon JK, Shah VN. Continuous Glucose Monitoring Initiation Within First Year of Type 1 Diabetes Diagnosis Is Associated With Improved Glycemic Outcomes: 7-Year Follow-Up Study. Diabetes Care. 2022 Mar 1;45(3):750-753. PubMed PMID: 35018417
• Cobry EC, Reznick-Lipina T, Pyle L, Slover R, Thomas JF, Alonso GT, Wadwa RP. Diabetes Technology Use in Remote Pediatric Patients with Type 1 Diabetes Using Clinic-to-Clinic Telemedicine. Diabetes Technol Ther. 2022 Jan;24(1):67-74. PubMed PMID: 34524007
• Demeterco-Berggren C, Ebekozien O, Rompicherla S, Jacobsen L, Accacha S, Gallagher MP, Todd Alonso G, Seyoum B, Vendrame F, Haw JS, Basina M, Levy CJ, Maahs DM. Age and Hospitalization Risk in People With Type 1 Diabetes and COVID-19: Data From the T1D Exchange Surveillance Study. J Clin Endocrinol Metab. 2022 Jan 18;107(2):410-418. PubMed PMID: 34581790
• Addison J, Razzaghi H, Bailey C, Dickinson K, Corathers SD, Hartley DM, et al. Testing an Automated Approach to Identify Variation in Outcomes among Children with Type 1 Diabetes across Multiple Sites. Pediatric Quality & Safety. 2022 Oct;7(5):e602.
• Demeterco-Berggren C, Ebekozien O, Rompicherla S, Jacobsen L, Accacha S, Gallagher MP, Alonso GT, Seyoum B, Vendrame F, Haw S, Basina M, Levy CJ, Maahs DM. Age and Hospitalization Risk in People with Type 1 Diabetes and COVID-19: Data from the T1D Exchange Surveillance Study. J Clin Endocrinol Metab. 2021 Sep 28. [Epub ahead of print] PubMed PMID: 34581790
• Cobry E, Reznick-Lipina T, Pyle L, Slover RJ, Thomas JF, Alonso GT, Wadwa RP. Diabetes Technology Use in Remote Pediatric Patients with Type 1 Diabetes Using Clinic-to-Clinic Telemedicine. Diabetes Technol Ther. 2021 Sep 15. [Epub ahead of print] PubMed PMID: 34524007
• Lyons SK, Ebekozien O, Garrity A, Buckingham D, Odugbesan O, Thomas S, Rioles N, Gallagher K, Sonabend RY, Lorincz I, Alonso GT, Kamboj MK, Lee JM. Increasing Insulin Pump Use Among 12- to 26-Year-Olds With Type 1 Diabetes: Results From the T1D Exchange Quality Improvement Collaborative. Clin Diabetes. 2021 Jul;39(3):272-277. PubMed PMID: 34421202
• Prahalad P, Ebekozien O, Alonso GT, Clements M, Corathers S, DeSalvo D, Desimone M, Lee JM, Lorincz I, McDonough R, Majidi S, Odugbesan O, Obrynba K, Rioles N, Kamboj M, Jones NY, Maahs DM. Multi-Clinic Quality Improvement Initiative Increases Continuous Glucose Monitoring Use Among Adolescents and Young Adults With Type 1 Diabetes. Clin Diabetes. 2021 Jul;39(3):264-271. PubMed PMID: 34421201
• Ginnard OZB, Alonso GT, Corathers SD, Demeterco-Berggren C, Golden LH, Miyazaki BT, Nelson G, Ospelt E, Ebekozien O, Lee JM, Obrynba KS, DeSalvo DJ. Quality Improvement in Diabetes Care: A Review of Initiatives and Outcomes in the T1D Exchange Quality Improvement Collaborative. Clin Diabetes. 2021 Jul;39(3):256-263. PubMed PMID: 34421200
• Danne T, Lanzinger S, de Bock M, Rhodes ET, Alonso GT, Barat P, Elhenawy Y, Kershaw M, Saboo B, Scharf Pinto M, Chobot A, Dovc K. A Worldwide Perspective on COVID-19 and Diabetes Management in 22,820 Children from the SWEET Project: Diabetic Ketoacidosis Rates Increase and Glycemic Control Is Maintained. Diabetes Technol Ther. 2021 Sep;23(9):632-641. PubMed PMID: 34086503
• Maahs DM, Alonso GT, Gallagher MP, Ebekozien O. Comment on Gregory et al. COVID-19 Severity Is Tripled in the Diabetes Community: A Prospective Analysis of the Pandemic's Impact in Type 1 and Type 2 Diabetes. Diabetes Care 2021;44:526-532. Diabetes Care. 2021 May;44(5):e102. PubMed PMID: 33972320
• Alonso GT, Ebekozien O, Gallagher MP, Rompicherla S, Lyons SK, Choudhary A, Majidi S, Pinnaro CT, Balachandar S, Gangat M, Curda Roberts AJ, Marks BE, Creo A, Sanchez J, Seeherunvong T, Jimenez-Vega J, Patel NS, Wood JR, Gabriel L, Sumpter KM, Wilkes M, Rapaport R, Cymbaluk A, Wong JC, Sanda S, Albanese-O'neill A. Diabetic ketoacidosis drives COVID-19 related hospitalizations in children with type 1 diabetes. J Diabetes. 2021 Aug;13(8):681-687. PubMed PMID: 33855813
• Lee JM, Carlson E, Albanese-O'Neill A, Demeterco-Berggren C, Corathers SD, Vendrame F, Weinstock RS, Prahalad P, Alonso GT, Kamboj M, DeSalvo DJ, Malik FS, Izquierdo R, Ebekozien O. Adoption of Telemedicine for Type 1 Diabetes Care During the COVID-19 Pandemic. Diabetes Technol Ther. 2021 Sep;23(9):642-651. PubMed PMID: 33851873
• Alonso GT, Murphy C, Pyle L, Thomas S, Ohman-Hanson R, Rewers A. Increased Prevalence of Diabetic Ketoacidosis Among Colorado Children at Diagnosis of Type 1 Diabetes During the COVID-19 Pandemic Lockdown Resolves After Reopening. Diabetes Technol Ther. 2021 Sep;23(9):663-664. PubMed PMID: 33835859
• Ebekozien O, Agarwal S, Noor N, Albanese-O'Neill A, Wong JC, Seeherunvong T, Sanchez J, DeSalvo D, Lyons SK, Majidi S, Wood JR, Acharya R, Aleppo G, Sumpter KM, Cymbaluk A, Shah NA, Van Name M, Cruz-Aviles L, Alonso GT, Gallagher MP, Sanda S, Feuer AJ, Cossen K, Rioles N, Jones NY, Kamboj MK, Hirsch IB. Inequities in Diabetic Ketoacidosis Among Patients With Type 1 Diabetes and COVID-19: Data From 52 US Clinical Centers. J Clin Endocrinol Metab. 2021 Mar 25;106(4):e1755-e1762. PubMed PMID: 33410917
• Beliard K, Ebekozien O, Demeterco-Berggren C, Alonso GT, Gallagher MP, Clements M, Rapaport R. Increased DKA at presentation among newly diagnosed type 1 diabetes patients with or without COVID-19: Data from a multi-site surveillance registry. J Diabetes. 2021 Mar;13(3):270-272. PubMed PMID: 33283979
• Alonso GT, Fink K, Maffeis C, Jannet S, Sari KV, Elizabeth D, Przemyslawa JC, Yash P, Carmel S. Variation in nutrition education practices in SWEET pediatric diabetes centers-an international comparison. Pediatr Diabetes. 2021 Mar;22(2):215-220. PubMed PMID: 33220017
• Saiyed M, Hasnani D, Alonso GT, Richmond E, Besançon S, Cotterill A, Ngwu U, Mazza C, Rottembourg D, Lanzinger S. Worldwide differences in childhood type 1 diabetes: The SWEET experience. Pediatr Diabetes. 2021 Mar;22(2):207-214. PubMed PMID: 33038056
• Saiyed M, Hasnani D, Alonso GT, Richmond E, Besançon S, Andrew C, Ngwu U, Mazza C, Rottenbourg D, Lanzinger S. Worldwide differences in Childhood Type 1 Diabetes: The SWEET experience. Pediatr Diabetes. 2020 Oct 10. [Epub ahead of print] PubMed PMID: 33038056
• Alonso GT, Corathers S, Shah A, Clements M, Kamboj M, Sonabend R, DeSalvo D, Mehta S, Cabrera A, Rioles N, Ohmer A, Mehta R, Lee J. Erratum. Establishment of the T1D Exchange Quality Improvement Collaborative (T1DX-QI). Clinical Diabetes 2020;38:141-151 (DOI: 10.2337/cd19-0032). Clin Diabetes. 2020 Jul;38(3):322. PubMed PMID: 32694883
• Ebekozien OA, Noor N, Gallagher MP, Alonso GT. Type 1 Diabetes and COVID-19: Preliminary Findings From a Multicenter Surveillance Study in the U.S. Diabetes Care. 2020 Aug;43(8):e83-e85. PubMed PMID: 32503837
• Alonso GT, Corathers S, Shah A, Clements M, Kamboj M, Sonabend R, DeSalvo D, Mehta S, Cabrera A, Rioles N, Ohmer A, Mehta R, Lee J. Establishment of the T1D Exchange Quality Improvement Collaborative (T1DX-QI). Clin Diabetes. 2020 Apr;38(2):141-151. PubMed PMID: 32327886
• Alonso GT, Coakley A, Pyle L, Manseau K, Thomas S, Rewers A. Diabetic Ketoacidosis at Diagnosis of Type 1 Diabetes in Colorado Children, 2010-2017. Diabetes Care. 2020 Jan;43(1):117-121. PubMed PMID: 31601639
• Berget C, Thomas SE, Messer LH, Thivener K, Slover RH, Wadwa RP, Alonso GT. A Clinical Training Program for Hybrid Closed Loop Therapy in a Pediatric Diabetes Clinic. J Diabetes Sci Technol. 2020 Mar;14(2):290-296. PubMed PMID: 30862242
• Alonso GT, Corathers S, Shah A, Clements M, Kamboj M, Sonabend R, DeSalvo D, Mehta S, Cabrera A, Rioles N, Ohmer A, Mehta R, Lee J. Erratum. Establishment of the T1D Exchange Quality Improvement Collaborative (T1DX-QI). Clinical Diabetes 2020;38:141-151 (DOI: 10.2337/cd19-0032). Clin Diabetes. 2020 Jul;38(3):322. PubMed PMID: 32694883
• Ebekozien OA, Noor N, Gallagher MP, Alonso GT. Type 1 Diabetes and COVID-19: Preliminary Findings From a Multicenter Surveillance Study in the U.S. Diabetes Care. 2020 Aug;43(8):e83-e85. PubMed PMID: 32503837
• Alonso GT, Corathers S, Shah A, Clements M, Kamboj M, Sonabend R, DeSalvo D, Mehta S, Cabrera A, Rioles N, Ohmer A, Mehta R, Lee J. Establishment of the T1D Exchange Quality Improvement Collaborative (T1DX-QI). Clin Diabetes. 2020 Apr;38(2):141-151. PubMed PMID: 32327886
• Alonso GT, Coakley A, Pyle L, Manseau K, Thomas S, Rewers A. Diabetic Ketoacidosis at Diagnosis of Type 1 Diabetes in Colorado Children, 2010-2017. Diabetes Care. 2020 Jan;43(1):117-121. PubMed PMID: 31601639
• Berget C, Thomas SE, Messer LH, Thivener K, Slover RH, Wadwa RP, Alonso GT. A Clinical Training Program for Hybrid Closed Loop Therapy in a Pediatric Diabetes Clinic. J Diabetes Sci Technol. 2020 Mar;14(2):290-296. PubMed PMID: 30862242
• Alonso GT, Coakley A, Pyle L, Manseau K, Thomas S, Rewers A. Diabetic Ketoacidosis at Diagnosis of Type 1 Diabetes in Colorado Children, 2010-2017. Diabetes Care. 2019 Oct 10. [Epub ahead of print] PubMed PMID: 31601639
• Muñoz C, Floreen A, Garey C, Karlya T, Jelley D, Alonso GT, McAuliffe-Fogarty A. Misdiagnosis and Diabetic Ketoacidosis at Diagnosis of Type 1 Diabetes: Patient and Caregiver Perspectives. Clin Diabetes. 2019 Jul;37(3):276-281. PubMed PMID: 31371859
• Berget C, Thomas SE, Messer LH, Thivener K, Slover RH, Wadwa RP, Alonso GT. A Clinical Training Program for Hybrid Closed Loop Therapy in a Pediatric Diabetes Clinic. J Diabetes Sci Technol. 2019 Mar 12;:1932296819835183. [Epub ahead of print] PubMed PMID: 30862242
• Mulinacci G, Alonso GT, Snell-Bergeon JK, Shah VN. Glycemic Outcomes with Early Initiation of Continuous Glucose Monitoring System in Recently Diagnosed Patients with Type 1 Diabetes. Diabetes Technol Ther. 2019 Jan;21(1):6-10. PubMed PMID: 30575413
• Muñoz C, Floreen A, Garey C, Karlya T, Jelley D, Alonso GT, McAuliffe-Fogarty A. Misdiagnosis and Diabetic Ketoacidosis at Diagnosis of Type 1 Diabetes: Patient and Caregiver Perspectives. Clin Diabetes. 2019 Jul;37(3):276-281. PubMed PMID: 31371859
• Mulinacci G, Alonso GT, Snell-Bergeon JK, Shah VN. Glycemic Outcomes with Early Initiation of Continuous Glucose Monitoring System in Recently Diagnosed Patients with Type 1 Diabetes. Diabetes Technol Ther. 2019 Jan;21(1):6-10. PubMed PMID: 30575413
• Maffeis C, Birkebaek NH, Konstantinova M, Schwandt A, Vazeou A, Casteels K, Jali S, Limbert C, Pundziute-Lycka A, Toth-Heyn P, de Beaufort C, Sumnik Z, Cherubini V, Svensson J, Pacaud D, Kanaka-Gantenbein C, Shalitin S, Bratina N, Hanas R, Alonso GT, Poran L, Pereira AL, Marigliano M. Prevalence of underweight, overweight, and obesity in children and adolescents with type 1 diabetes: Data from the international SWEET registry. Pediatr Diabetes. 2018 Nov;19(7):1211-1220. PubMed PMID: 30033651
• Alonso GT, Hink R, De Georgeo MR, Vidal K, Thomas S, Swaschnig D, Spiegel G, Owen S, Thurston J, Pyle L, Slover R. Improving the Insulin Pump Initiation Process for Pediatric Patients with Type 1 Diabetes through Application of Lean Quality Improvement Methods. Perm J. 2018 Jul 12;22. PubMed PMID: 30005730
• Maffeis C, Birkebaek NH, Konstantinova M, Schwandt A, Vazeou A, Casteels K, Jali S, Limbert C, Pundziute-Lycka A, Toth-Heyn P, de Beaufort C, Sumnik Z, Cherubini V, Svensson J, Pacaud D, Kanaka-Gantenbein C, Shalitin S, Bratina N, Hanas R, Alonso GT, Poran L, Pereira AL, Marigliano M. Prevalence of underweight, overweight, and obesity in children and adolescents with type 1 diabetes: Data from the international SWEET registry. Pediatr Diabetes. 2018 Nov;19(7):1211-1220. PubMed PMID: 30033651
• Alonso GT, Rabon S, White PC. Weight gain after treatment of Graves' disease in children. Clin Endocrinol (Oxf). 2018 Jan;88(1):66-70. PubMed PMID: 29023978
• Alonso GT, Hink R, De Georgeo MR, Vidal K, Thomas S, Swaschnig D, Spiegel G, Owen S, Thurston J, Pyle L, Slover R. Improving the Insulin Pump Initiation Process for Pediatric Patients with Type 1 Diabetes through Application of Lean Quality Improvement Methods. Perm J. 2018;22:17-147. PubMed PMID: 30005730
• Alonso GT, Rabon S, White PC. Weight gain after treatment of Graves' disease in children. Clin Endocrinol (Oxf). 2018 Jan;88(1):66-70. PubMed PMID: 29023978
• Baldelli L, Flitter B, Pyle L, Maahs DM, Klingensmith G, Slover R, Alonso GT. A survey of youth with new onset type 1 diabetes: Opportunities to reduce diabetic ketoacidosis. Pediatr Diabetes. 2017 Nov;18(7):547-552. PubMed PMID: 27726268
• Alonso GT, Rabon S, White PC. Weight gain after treatment of Graves' disease in children. Clin Endocrinol (Oxf). 2017 Oct 12. [Epub ahead of print] PubMed PMID: 29023978
• Alonso GT, Pyle L, Frohnert B. Change in hemoglobin A1c one year following the 2014 American Diabetes Association guideline update. Diabetes Res Clin Pract. 2017 Jul;129:169-172. PubMed PMID: 28528078
• Davis SM, Maddux AB, Alonso GT, Okada CR, Mourani PM, Maahs DM. Profound hypokalemia associated with severe diabetic ketoacidosis. Pediatr Diabetes. 2016 Feb;17(1):61-5. PubMed PMID: 25430801
• Poppy A, Retamal-Munoz C, Cree-Green M, Wood C, Davis S, Clements SA, Majidi S, Steck AK, Alonso GT, Chambers C, Rewers A. Reduction of Insulin Related Preventable Severe Hypoglycemic Events in Hospitalized Children. Pediatrics. 2016 Jul;138(1). PubMed PMID: 27317577
• Frohnert BI, Alonso GT. Challenges in Delivering Smaller Doses of Insulin. Diabetes Technol Ther. 2015 Sep;17(9):597-9. PubMed PMID: 26317878

Professional Memberships

• American Academy of Pediatrics (AAP), FAAP
• American Diabetes Association, Member
• International Society for Pediatric and Adolescent Diabetes (ISPAD), Member