Greg Forlenza, MD
Assistant Professor, Pediatrics-Barbara Davis Center

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Medical School:
  • MD, University of Florida College of Medicine (2007)
Graduate School :
  • MCR, University of Minnesota - Twin City (2015)
Undergraduate School:
  • BS, Georgia Institute of Technology (2003)
Residency:
  • University of Florida Program, Pediatrics (2010)
Fellowships:
  • University of Minnesota Program, Pediatric Endocrinology (2015)
Languages: English
Department: Pediatrics-Barbara Davis Center

Professional Titles

  • Assistant Professor, Pediatrics-Barbara Davis Center
  • Assistant Professor

Recognition & Awards

  • Gold Award, University of Minnesota, (2015)
    Hostetter Award for Most Outstanding Research by a Fellow – University of Minnesota Research Conference
  • Outstanding Resident Teacher, University of Florida, (2010)
    Most Outstanding Resident Teacher in Pediatrics
Research interests for Patients:
Type 1 Diabetes, Diabetes Technology

Teaching

  • Assistant Professor (2015)
    School of Medicine, Pediatrics
    Pediatric Endocrinology and Diabetes

Publications

  • Wood MA, Shulman DI, Forlenza GP, Bode BW, Pinhas-Hamiel O, Buckingham BA, Kaiserman KB, Liljenquist DR, Bailey TS, Shin J, Huang S, Chen X, Cordero TL, Lee SW, Kaufman FR. In-Clinic Evaluation of the MiniMed 670G System "Suspend Before Low" Feature in Children with Type 1 Diabetes. Diabetes Technol Ther. 2018 Nov;20(11):731-737. PubMed PMID: 30299976
  • Forlenza GP, Messer LH, Berget C, Wadwa RP, Driscoll KA. Biopsychosocial Factors Associated With Satisfaction and Sustained Use of Artificial Pancreas Technology and Its Components: a Call to the Technology Field. Curr Diab Rep. 2018 Sep 26;18(11):114. PubMed PMID: 30259309
  • Forlenza GP, Li Z, Buckingham BA, Pinsker JE, Cengiz E, Wadwa RP, Ekhlaspour L, Church MM, Weinzimer SA, Jost E, Marcal T, Andre C, Carria L, Swanson V, Lum JW, Kollman C, Woodall W, Beck RW. Predictive Low-Glucose Suspend Reduces Hypoglycemia in Adults, Adolescents, and Children With Type 1 Diabetes in an At-Home Randomized Crossover Study: Results of the PROLOG Trial. Diabetes Care. 2018 Oct;41(10):2155-2161. PubMed PMID: 30089663
  • Buckingham BA, Christiansen MP, Forlenza GP, Wadwa RP, Peyser TA, Lee JB, O'Connor J, Dassau E, Huyett LM, Layne JE, Ly TT. Performance of the Omnipod Personalized Model Predictive Control Algorithm with Meal Bolus Challenges in Adults with Type 1 Diabetes. Diabetes Technol Ther. 2018 Sep;20(9):585-595. PubMed PMID: 30070928
  • Sherr JL, Tauschmann M, Battelino T, de Bock M, Forlenza G, Roman R, Hood KK, Maahs DM. ISPAD Clinical Practice Consensus Guidelines 2018: Diabetes technologies. Pediatr Diabetes. 2018 Oct;19 Suppl 27:302-325. PubMed PMID: 30039513
  • Messer LH, Berget C, Beatson C, Polsky S, Forlenza GP. Preserving Skin Integrity with Chronic Device Use in Diabetes. Diabetes Technol Ther. 2018 Jun;20(S2):S254-S264. PubMed PMID: 29916740
  • Forlenza GP, Cameron FM, Ly TT, Lam D, Howsmon DP, Baysal N, Kulina G, Messer L, Clinton P, Levister C, Patek SD, Levy CJ, Wadwa RP, Maahs DM, Bequette BW, Buckingham BA. Fully Closed-Loop Multiple Model Probabilistic Predictive Controller Artificial Pancreas Performance in Adolescents and Adults in a Supervised Hotel Setting. Diabetes Technol Ther. 2018 May;20(5):335-343. PubMed PMID: 29658779
  • Forlenza GP. Ongoing Debate About Models for Artificial Pancreas Systems and In Silico Studies. Diabetes Technol Ther. 2018 Mar;20(3):174-176. PubMed PMID: 29565720
  • Buckingham BA, Forlenza GP, Pinsker JE, Christiansen MP, Wadwa RP, Schneider J, Peyser TA, Dassau E, Lee JB, O'Connor J, Layne JE, Ly TT. Safety and Feasibility of the OmniPod Hybrid Closed-Loop System in Adult, Adolescent, and Pediatric Patients with Type 1 Diabetes Using a Personalized Model Predictive Control Algorithm. Diabetes Technol Ther. 2018 Apr;20(4):257-262. PubMed PMID: 29431513
  • Howsmon DP, Baysal N, Buckingham BA, Forlenza GP, Ly TT, Maahs DM, Marcal T, Towers L, Mauritzen E, Deshpande S, Huyett LM, Pinsker JE, Gondhalekar R, Doyle FJ 3rd, Dassau E, Hahn J, Bequette BW. Real-Time Detection of Infusion Site Failures in a Closed-Loop Artificial Pancreas. J Diabetes Sci Technol. 2018 May;12(3):599-607. PubMed PMID: 29390915
  • Forlenza GP, Raghinaru D, Cameron F, Wayne Bequette B, Peter Chase H, Paul Wadwa R, Maahs DM, Jost E, Ly TT, Wilson DM, Norlander L, Ekhlaspour L, Min H, Clinton P, Njeru N, Lum JW, Kollman C, Beck RW, Buckingham BA. Predictive hyperglycemia and hypoglycemia minimization: In-home double-blind randomized controlled evaluation in children and young adolescents. Pediatr Diabetes. 2017 Nov 20. [Epub ahead of print] PubMed PMID: 29159870
  • Forlenza GP, Deshpande S, Ly TT, Howsmon DP, Cameron F, Baysal N, Mauritzen E, Marcal T, Towers L, Bequette BW, Huyett LM, Pinsker JE, Gondhalekar R, Doyle FJ 3rd, Maahs DM, Buckingham BA, Dassau E. Erratum. Application of Zone Model Predictive Control Artificial Pancreas During Extended Use of Infusion Set and Sensor: A Randomized Crossover-Controlled Home-Use Trial. Diabetes Care 2017;40:1096-1102. Diabetes Care. 2017 Nov;40(11):1606. PubMed PMID: 28887408
  • Breton MD, Cherñavvsky DR, Forlenza GP, DeBoer MD, Robic J, Wadwa RP, Messer LH, Kovatchev BP, Maahs DM. Closed Loop Control During Intense Prolonged Outdoor Exercise in Adolescents With Type 1 Diabetes: The Artificial Pancreas Ski Study. Diabetes Care. 2017 Aug 30. [Epub ahead of print] PubMed PMID: 28855239
  • Cameron FM, Ly TT, Buckingham BA, Maahs DM, Forlenza GP, Levy CJ, Lam D, Clinton P, Messer LH, Westfall E, Levister C, Xie YY, Baysal N, Howsmon D, Patek SD, Bequette BW. Closed-Loop Control Without Meal Announcement in Type 1 Diabetes. Diabetes Technol Ther. 2017 Sep;19(9):527-532. PubMed PMID: 28767276
  • Forlenza GP. Relevance of Bolus Calculators in Current Hybrid Closed Loop Systems. Diabetes Technol Ther. 2017 Jul;19(7):400-401. PubMed PMID: 28686041
  • Messer LH, Forlenza GP, Wadwa RP, Weinzimer SA, Sherr JL, Hood KK, Buckingham BA, Slover RH, Maahs DM. The dawn of automated insulin delivery: A new clinical framework to conceptualize insulin administration. Pediatr Diabetes. 2017 Jun 27. [Epub ahead of print] PubMed PMID: 28656656
  • Forlenza GP, Argento NB, Laffel LM. Practical Considerations on the Use of Continuous Glucose Monitoring in Pediatrics and Older Adults and Nonadjunctive Use. Diabetes Technol Ther. 2017 Jun;19(S3):S13-S20. PubMed PMID: 28585878
  • Forlenza GP, Deshpande S, Ly TT, Howsmon DP, Cameron F, Baysal N, Mauritzen E, Marcal T, Towers L, Bequette BW, Huyett LM, Pinsker JE, Gondhalekar R, Doyle FJ 3rd, Maahs DM, Buckingham BA, Dassau E. Application of Zone Model Predictive Control Artificial Pancreas During Extended Use of Infusion Set and Sensor: A Randomized Crossover-Controlled Home-Use Trial. Diabetes Care. 2017 Aug;40(8):1096-1102. PubMed PMID: 28584075
  • Beisang D, Forlenza GP, Luquette M, Sarafoglou K. Sporadic Insulinoma Presenting as Early Morning Night Terrors. Pediatrics. 2017 Jun;139(6). PubMed PMID: 28562256
  • Ohman-Hanson RA, Forlenza GP. Artificial Pancreas in Young Children. Diabetes Technol Ther. 2017 May;19(5):277-279. PubMed PMID: 28520531
  • Zhong VW, Crandell JL, Shay CM, Gordon-Larsen P, Cole SR, Juhaeri J, Kahkoska AR, Maahs DM, Seid M, Forlenza GP, Mayer-Davis EJ. Dietary intake and risk of non-severe hypoglycemia in adolescents with type 1 diabetes. J Diabetes Complications. 2017 Aug;31(8):1340-1347. PubMed PMID: 28476567
  • Huyett LM, Ly TT, Forlenza GP, Reuschel-DiVirgilio S, Messer LH, Wadwa RP, Gondhalekar R, Doyle FJ 3rd, Pinsker JE, Maahs DM, Buckingham BA, Dassau E. Outpatient Closed-Loop Control with Unannounced Moderate Exercise in Adolescents Using Zone Model Predictive Control. Diabetes Technol Ther. 2017 Jun;19(6):331-339. PubMed PMID: 28459617
  • Forlenza GP. Insulin Infusion Sets and Continuous Glucose Monitoring Sensors: Where the Artificial Pancreas Meets the Patient. Diabetes Technol Ther. 2017 Apr;19(4):206-208. PubMed PMID: 28418732
  • Bellin MD, Forlenza GP, Majumder K, Berger M, Freeman ML, Beilman GJ, Dunn TB, Pruett TL, Murati M, Wilhelm JJ, Cook M, Sutherland DE, Schwarzenberg SJ, Chinnakotla S. Total Pancreatectomy With Islet Autotransplantation Resolves Pain in Young Children With Severe Chronic Pancreatitis. J Pediatr Gastroenterol Nutr. 2017 Mar;64(3):440-445. PubMed PMID: 28231072
  • Sarafoglou K, Forlenza GP, Yaw Addo O, Kyllo J, Lteif A, Hindmarsh PC, Petryk A, Gonzalez-Bolanos MT, Miller BS, Thomas W. Obesity in children with congenital adrenal hyperplasia in the Minnesota cohort: importance of adjusting body mass index for height-age. Clin Endocrinol (Oxf). 2017 May;86(5):708-716. PubMed PMID: 28199739
  • Spaic T, Driscoll M, Raghinaru D, Buckingham BA, Wilson DM, Clinton P, Chase HP, Maahs DM, Forlenza GP, Jost E, Hramiak I, Paul T, Bequette BW, Cameron F, Beck RW, Kollman C, Lum JW, Ly TT. Predictive Hyperglycemia and Hypoglycemia Minimization: In-Home Evaluation of Safety, Feasibility, and Efficacy in Overnight Glucose Control in Type 1 Diabetes. Diabetes Care. 2017 Mar;40(3):359-366. PubMed PMID: 28100606
  • Howsmon DP, Cameron F, Baysal N, Ly TT, Forlenza GP, Maahs DM, Buckingham BA, Hahn J, Bequette BW. Continuous Glucose Monitoring Enables the Detection of Losses in Infusion Set Actuation (LISAs). Sensors (Basel). 2017 Jan 15;17(1). PubMed PMID: 28098839
  • Karlin AW, Ly TT, Pyle L, Forlenza GP, Messer L, Wadwa RP, DeSalvo DJ, Payne SL, Hanes S, Clinton P, Maahs DM, Buckingham B. Duration of Infusion Set Survival in Lipohypertrophy Versus Nonlipohypertrophied Tissue in Patients with Type 1 Diabetes. Diabetes Technol Ther. 2016 Jul;18(7):429-35. PubMed PMID: 27227290
  • Forlenza GP, Nathan BM, Moran A, Dunn TB, Beilman GJ, Pruett TL, Kovatchev BP, Bellin MD. Accuracy of Continuous Glucose Monitoring in Patients After Total Pancreatectomy with Islet Autotransplantation. Diabetes Technol Ther. 2016 Aug;18(8):455-63. PubMed PMID: 27105121
  • Forlenza GP, Nathan BM, Moran AM, Dunn TB, Beilman GJ, Pruett TL, Bellin MD. Successful Application of Closed-Loop Artificial Pancreas Therapy After Islet Autotransplantation. Am J Transplant. 2015 Nov 20. [Epub ahead of print] PubMed PMID: 26588810
  • Forlenza GP, Buckingham B, Maahs DM. Progress in Diabetes Technology: Developments in Insulin Pumps, Continuous Glucose Monitors, and Progress towards the Artificial Pancreas. J Pediatr. 2015 Nov 4. [Epub ahead of print] PubMed PMID: 26547403
  • Forlenza GP, Nathan BM, Moran AM, Dunn TB, Beilman GJ, Pruett TL, Bellin MD. Successful Application of Closed-Loop Artificial Pancreas Therapy After Islet Autotransplantation. Am J Transplant. 2015 Nov 20. [Epub ahead of print] PubMed PMID: 26588810
  • Forlenza GP, Buckingham B, Maahs DM. Progress in Diabetes Technology: Developments in Insulin Pumps, Continuous Glucose Monitors, and Progress towards the Artificial Pancreas. J Pediatr. 2015 Nov 4. [Epub ahead of print] PubMed PMID: 26547403
  • Forlenza GP, Calhoun A, Beckman KB, Halvorsen T, Hamdoun E, Zierhut H, Sarafoglou K, Polgreen LE, Miller BS, Nathan B, Petryk A. Next generation sequencing in endocrine practice. Mol Genet Metab. 2015 Jun-Jul;115(2-3):61-71. PubMed PMID: 25958132
  • Forlenza GP, Sankaranarayanan S, Maahs DM. Refining the closed loop in the data age: research-to-practice transitions in diabetes technology. Diabetes Technol Ther. 2015 May;17(5):304-6. PubMed PMID: 25844981
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Professional Memberships

  • American Academy of Pediatrics, Member
  • Pediatric Endocrine Society, Member
  • The Endocrine Society, Member
  • American Diabetes Association, Member
  • The Society for Pediatric Research, Member

Practice Locations

Endocrinology/Diabetes/Metabolism - Anschutz
1635 Aurora Ct
6th Floor
Aurora, CO 80045
720-848-2650

Barbara Davis Center for Childhood Diabetes - Specialty Clinic
1775 Aurora Ct
Aurora, CO 80045
303-724-2323

Hospital Affiliation
  • Children's Hospital Colorado
  • University of Colorado Hospital
Center Affiliations

Specialty Information

Specialties
  • Pediatrics, Board Certification (2010)
  • Pediatric Endocrinology (2015)
Conditions & Treatments
  • Endocrine System (Hormones)
  • Child and Teen Health - Juvenile Diabetes
  • Child and Teen Health
Clinical Interest for Patients
Type 1 Diabetes, Diabetes Technology

Volunteer Activities
Diabetes Camps

Public Speaking
Yes

General Information

Medical Schools:
  • MD, University of Florida College of Medicine (2007)
Graduate Schools:
  • MCR, University of Minnesota - Twin City (2015)
Undergraduate Schools:
  • BS, Georgia Institute of Technology (2003)
Residency Programs:
  • University of Florida Program, Pediatrics (2010)
Fellowships:
  • University of Minnesota Program, Pediatric Endocrinology (2015)
Download CV
Languages: English
Department: Pediatrics-Barbara Davis Center
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