Halis Akturk, MD
Assistant Professor, Pediatrics-Barbara Davis Center

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Medical School:
  • MD, Istanbul University, School of Medicine , Turkey (2007)
Internship:
  • Cleveland Clinic (2013)
Residency:
  • Creighton University Program, Internal Medicine (2014)
Fellowships:
  • College of Medicine, Mayo Clinic Program, Endocrinology, Diabetes and Metabolism (2016)
Languages: English, Turkish
Department: Pediatrics-Barbara Davis Center

Professional Titles

  • Assistant Professor of Medicine

Research Interests

Type 1 Diabetes Mellitus, Insulin pumps, Continuous glucose monitoring, artificial pancreas, hybrid closed-loop systems, effect of marijuana on type 1 diabetes, immune checkpoint( PD1/PDL1 inhibitor) induced type 1 diabetes

Publications

  • Akturk HK, Vigers T, Forlenza GP, Champakanath A, Pyle L. Comparison of cgmanalysis, a free, open-source continuous glucose monitoring (CGM) data management and analysis software to commercially available CGM platforms: Data standardization for diabetes technology research. Diabetes Technol Ther. 2021 Sep 15. [Epub ahead of print] PubMed PMID: 34524001
  • Garg SK, Liljenquist D, Bode B, Christiansen MP, Bailey TS, Brazg RL, Denham DS, Chang AR, Akturk HK, Dehennis A, Tweden KS, Kaufman FR. Evaluation of Accuracy and Safety of the Next-Generation Up to 180-Day Long-Term Implantable Eversense Continuous Glucose Monitoring System: The PROMISE Study. Diabetes Technol Ther. 2021 Sep 9. [Epub ahead of print] PubMed PMID: 34515521
  • Akturk HK, Snell-Bergeon J, Pyle L, Fivekiller E, Garg S, Cobry E. Accuracy of a breath ketone analyzer to detect ketosis in adults and children with type 1 diabetes. J Diabetes Complications. 2021 Nov;35(11):108030. PubMed PMID: 34481712
  • Akturk HK, Shah VN. Gastric Emptying Abnormalities in Diabetes Mellitus. N Engl J Med. 2021 Aug 5;385(6):575-576. PubMed PMID: 34347967
  • Shah VN, Akturk HK, Joseph H, Schneider N, Snell-Bergeon JK. A randomized controlled trial of transition from insulin pump to multiple daily injections using insulin degludec. Diabetes Obes Metab. 2021 Aug;23(8):1936-1941. PubMed PMID: 34180122
  • Akturk HK, Agarwal S, Hoffecker L, Shah VN. Inequity in Racial-Ethnic Representation in Randomized Controlled Trials of Diabetes Technologies in Type 1 Diabetes: Critical Need for New Standards. Diabetes Care. 2021 Jun;44(6):e121-e123. PubMed PMID: 34016613
  • Berget C, Akturk HK, Messer LH, Vigers T, Pyle L, Snell-Bergeon J, Driscoll KA, Forlenza GP. Real-world performance of hybrid closed loop in youth, young adults, adults and older adults with type 1 diabetes: Identifying a clinical target for hybrid closed-loop use. Diabetes Obes Metab. 2021 Sep;23(9):2048-2057. PubMed PMID: 34010499
  • Akturk HK. Locating Hormone-Releasing Contraceptive Implants Using Near-Infrared Light. Obstet Gynecol. 2021 Mar 1;137(3):443-444. PubMed PMID: 33543901
  • Acciaroli G, Welsh JB, Akturk HK. Mitigation of Rebound Hyperglycemia With Real-Time Continuous Glucose Monitoring Data and Predictive Alerts. J Diabetes Sci Technol. 2021 Jan 5;:1932296820982584. [Epub ahead of print] PubMed PMID: 33401946
  • Akturk HK, Dowd R, Shankar K, Derdzinski M. Real-World Evidence and Glycemic Improvement Using Dexcom G6 Features. Diabetes Technol Ther. 2021 Mar;23(S1):S21-S26. PubMed PMID: 33434439
  • Akturk HK, Snell-Bergeon JK, Shah VN. Continuous Glucose Monitor with Siri Integration Improves Glycemic Control in Legally Blind Patients with Diabetes. Diabetes Technol Ther. 2021 Jan;23(1):81-83. PubMed PMID: 32758007
  • Akturk HK, Michels AW. Immune Checkpoint Inhibitor-Induced Type 1 Diabetes: An Underestimated Risk. Mayo Clin Proc. 2020 Mar;95(3):614-615. PubMed PMID: 32138890
  • Akturk HK, Michels AW. Adverse events associated with immune checkpoint inhibitors: a new era in autoimmune diabetes. Curr Opin Endocrinol Diabetes Obes. 2020 Aug;27(4):187-193. PubMed PMID: 32618630
  • Akturk HK, Snell-Bergeon JK, Shah VN. Continuous Glucose Monitor with Siri Integration Improves Glycemic Control in Legally Blind Patients with Diabetes. Diabetes Technol Ther. 2020 Jul 30. [Epub ahead of print] PubMed PMID: 32758007
  • Akturk HK, Michels AW. Adverse events associated with immune checkpoint inhibitors: a new era in autoimmune diabetes. Curr Opin Endocrinol Diabetes Obes. 2020 Aug;27(4):187-193. PubMed PMID: 32618630
  • Barnard-Kelly KD, Naranjo D, Majidi S, Akturk HK, Breton M, Courtet P, Olié E, Lal RA, Johnson N, Atkinson M, Renard E. An Intolerable Burden: Suicide, Intended Self-Injury and Diabetes. Can J Diabetes. 2020 Aug;44(6):541-544. PubMed PMID: 32305294
  • Akturk HK, Michels AW. Immune Checkpoint Inhibitor-Induced Type 1 Diabetes: An Underestimated Risk. Mayo Clin Proc. 2020 Mar;95(3):614-615. PubMed PMID: 32138890
  • Akturk HK, Brackett S. A Novel and Easy Method to Locate and Remove First Approved Long-Term Implantable Glucose Sensors. Diabetes Technol Ther. 2020 Jul;22(7):538-540. PubMed PMID: 32031415
  • Barnard-Kelly KD, Naranjo D, Majidi S, Akturk HK, Breton M, Courtet P, Olié E, Lal RA, Johnson N, Renard E. Suicide and Self-inflicted Injury in Diabetes: A Balancing Act. J Diabetes Sci Technol. 2020 Nov;14(6):1010-1016. PubMed PMID: 31801353
  • Akturk HK, Giordano D, Champakanath A, Brackett S, Garg S, Snell-Bergeon J. Long-term real-life glycaemic outcomes with a hybrid closed-loop system compared with sensor-augmented pump therapy in patients with type 1 diabetes. Diabetes Obes Metab. 2020 Apr;22(4):583-589. PubMed PMID: 31789447
  • Polsky S, Akturk HK. Case series of a hybrid closed-loop system used in pregnancies in clinical practice. Diabetes Metab Res Rev. 2020 Mar;36(3):e3248. PubMed PMID: 31758630
  • Kinney GL, Akturk HK, Taylor DD, Foster NC, Shah VN. Cannabis Use Is Associated With Increased Risk for Diabetic Ketoacidosis in Adults With Type 1 Diabetes: Findings From the T1D Exchange Clinic Registry. Diabetes Care. 2020 Jan;43(1):247-249. PubMed PMID: 31628116
  • Akturk HK, Michels AW. Adverse events associated with immune checkpoint inhibitors: a new era in autoimmune diabetes. Curr Opin Endocrinol Diabetes Obes. 2020 Aug;27(4):187-193. PubMed PMID: 32618630
  • Barnard-Kelly KD, Naranjo D, Majidi S, Akturk HK, Breton M, Courtet P, Olié E, Lal RA, Johnson N, Atkinson M, Renard E. An Intolerable Burden: Suicide, Intended Self-Injury and Diabetes. Can J Diabetes. 2020 Aug;44(6):541-544. PubMed PMID: 32305294
  • Akturk HK, Michels AW. Immune Checkpoint Inhibitor-Induced Type 1 Diabetes: An Underestimated Risk. Mayo Clin Proc. 2020 Mar;95(3):614-615. PubMed PMID: 32138890
  • Akturk HK, Brackett S. A Novel and Easy Method to Locate and Remove First Approved Long-Term Implantable Glucose Sensors. Diabetes Technol Ther. 2020 Jul;22(7):538-540. PubMed PMID: 32031415
  • Polsky S, Akturk HK. Case series of a hybrid closed-loop system used in pregnancies in clinical practice. Diabetes Metab Res Rev. 2020 Mar;36(3):e3248. PubMed PMID: 31758630
  • Akturk HK, Giordano D, Champakanath A, Brackett S, Garg S, Snell-Bergeon J. Long-term real-life glycaemic outcomes with a hybrid closed-loop system compared with sensor-augmented pump therapy in patients with type 1 diabetes. Diabetes Obes Metab. 2020 Apr;22(4):583-589. PubMed PMID: 31789447
  • Barnard-Kelly KD, Naranjo D, Majidi S, Akturk HK, Breton M, Courtet P, Olié E, Lal RA, Johnson N, Renard E. Suicide and Self-inflicted Injury in Diabetes: A Balancing Act. J Diabetes Sci Technol. 2020 Nov;14(6):1010-1016. PubMed PMID: 31801353
  • Kinney GL, Akturk HK, Taylor DD, Foster NC, Shah VN. Cannabis Use Is Associated With Increased Risk for Diabetic Ketoacidosis in Adults With Type 1 Diabetes: Findings From the T1D Exchange Clinic Registry. Diabetes Care. 2020 Jan;43(1):247-249. PubMed PMID: 31628116
  • Barnard-Kelly KD, Naranjo D, Majidi S, Akturk HK, Breton M, Courtet P, Olié E, Lal RA, Johnson N, Renard E. Suicide and Self-inflicted Injury in Diabetes: A Balancing Act. J Diabetes Sci Technol. 2019 Dec 4;:1932296819891136. [Epub ahead of print] PubMed PMID: 31801353
  • Akturk HK, Giordano D, Champakanath A, Brackett S, Garg S, Snell-Bergeon J. Long-term Real-life Glycemic Outcomes with Hybrid Closed-Loop System when Compared with Sensor-Augmented Pump Therapy in Patients with Type 1 Diabetes. Diabetes Obes Metab. 2019 Dec 2. [Epub ahead of print] PubMed PMID: 31789447
  • Polsky S, Akturk HK. Case series of a hybrid closed-loop system used in pregnancies in clinical practice. Diabetes Metab Res Rev. 2019 Nov 22;:e3248. [Epub ahead of print] PubMed PMID: 31758630
  • Kinney GL, Akturk HK, Taylor DD, Foster NC, Shah VN. Cannabis Use Is Associated With Increased Risk for Diabetic Ketoacidosis in Adults With Type 1 Diabetes: Findings From the T1D Exchange Clinic Registry. Diabetes Care. 2019 Oct 18. [Epub ahead of print] PubMed PMID: 31628116
  • Kaur H, Schneider N, Pyle L, Campbell K, Akturk HK, Shah VN. Efficacy of Hybrid Closed-Loop System in Adults with Type 1 Diabetes and Gastroparesis. Diabetes Technol Ther. 2019 Dec;21(12):736-739. PubMed PMID: 31347928
  • Akturk HK, Kahramangil D, Sarwal A, Hoffecker L, Murad MH, Michels AW. Immune checkpoint inhibitor-induced Type 1 diabetes: a systematic review and meta-analysis. Diabet Med. 2019 Sep;36(9):1075-1081. PubMed PMID: 31199005
  • Akturk HK, Michels AW. Adverse Events Associated With Immune Checkpoint Inhibitors. JAMA. 2019 Mar 26;321(12):1219. PubMed PMID: 30912828
  • Akturk HK, Garg S. Technological advances shaping diabetes care. Curr Opin Endocrinol Diabetes Obes. 2019 Apr;26(2):84-89. PubMed PMID: 30720477
  • Akturk HK, Taylor DD, Camsari UM, Rewers A, Kinney GL, Shah VN. Association Between Cannabis Use and Risk for Diabetic Ketoacidosis in Adults With Type 1 Diabetes. JAMA Intern Med. 2019 Jan 1;179(1):115-118. PubMed PMID: 30398521
  • Akturk HK, Taylor DD, Camsari UM, Rewers A, Kinney GL, Shah VN. Association Between Cannabis Use and Risk for Diabetic Ketoacidosis in Adults With Type 1 Diabetes. JAMA Intern Med. 2018 Nov 5. [Epub ahead of print] PubMed PMID: 30398521
  • Akturk HK, Snell-Bergeon JK, Rewers A, Klaff LJ, Bode BW, Peters AL, Bailey TS, Garg SK. Improved Postprandial Glucose with Inhaled Technosphere Insulin Compared with Insulin Aspart in Patients with Type 1 Diabetes on Multiple Daily Injections: The STAT Study. Diabetes Technol Ther. 2018 Oct;20(10):639-647. PubMed PMID: 30207748
  • Akturk HK, Alkanani A, Zhao Z, Yu L, Michels AW. PD-1 Inhibitor Immune-Related Adverse Events in Patients With Preexisting Endocrine Autoimmunity. J Clin Endocrinol Metab. 2018 Oct 1;103(10):3589-3592. PubMed PMID: 30124874
  • Prete A, Yan Q, Al-Tarrah K, Akturk HK, Prokop LJ, Alahdab F, Foster MA, Lord JM, Karavitaki N, Wass JA, Murad MH, Arlt W, Bancos I. The cortisol stress response induced by surgery: A systematic review and meta-analysis. Clin Endocrinol (Oxf). 2018 Nov;89(5):554-567. PubMed PMID: 30047158
  • Akturk HK, Rewers A, Joseph H, Schneider N, Garg SK. Possible Ways to Improve Postprandial Glucose Control in Type 1 Diabetes. Diabetes Technol Ther. 2018 Jun;20(S2):S224-S232. PubMed PMID: 29916737
  • Garg SK, Akturk HK. A New Era in Continuous Glucose Monitoring: Food and Drug Administration Creates a New Category of Factory-Calibrated Nonadjunctive, Interoperable Class II Medical Devices. Diabetes Technol Ther. 2018 Jun;20(6):391-394. PubMed PMID: 29901411
  • Garg SK, Rewers AH, Akturk HK. Ever-Increasing Insulin-Requiring Patients Globally. Diabetes Technol Ther. 2018 Jun;20(S2):S21-S24. PubMed PMID: 29873518
  • Akturk HK, Rewers A, Garg SK. SGLT inhibition: a possible adjunctive treatment for type 1 diabetes. Curr Opin Endocrinol Diabetes Obes. 2018 Aug;25(4):246-250. PubMed PMID: 29794497
  • Zaied AA, Akturk HK, Joseph RW, Lee AS. New-onset insulin-dependent diabetes due to nivolumab. Endocrinol Diabetes Metab Case Rep. 2018;2018. PubMed PMID: 29623210
  • Akturk HK, Michels AW. Adverse Events Associated with Immune Checkpoint Blockade. N Engl J Med. 2018 Mar 22;378(12):1163-4. PubMed PMID: 29565519
  • Akturk HK. Management of Type 1 diabetes should be different from Type 2 diabetes at hospital admission. Diabet Med. 2018 Jun;35(6):824. PubMed PMID: 29505160
  • Akturk HK, Chindris AM, Hines JM, Singh RJ, Bernet VJ. Over-the-Counter "Adrenal Support" Supplements Contain Thyroid and Steroid-Based Adrenal Hormones. Mayo Clin Proc. 2018 Mar;93(3):284-290. PubMed PMID: 29502560
  • Oktay AA, Akturk HK, Esenboga K, Javed F, Polin NM, Jahangir E. Pathophysiology and Prevention of Heart Disease in Diabetes Mellitus. Curr Probl Cardiol. 2018 Mar;43(3):68-110. PubMed PMID: 29471918
  • Garg SK, Rewers AH, Akturk HK. New Medications for the Treatment of Diabetes. Diabetes Technol Ther. 2018 Feb;20(S1):S139-S153. PubMed PMID: 29437472
  • Akturk HK, Shah VN. Severe Hypoglycemia in Adults With Type 1 Diabetes After Switching to Insulin Degludec. J Diabetes Sci Technol. 2018 May;12(3):733-734. PubMed PMID: 29183157
  • Polsky S, Akturk HK. Alcohol Consumption, Diabetes Risk, and Cardiovascular Disease Within Diabetes. Curr Diab Rep. 2017 Nov 4;17(12):136. PubMed PMID: 29103170
  • Garg SK, Akturk HK. The Future of Continuous Glucose Monitoring. Diabetes Technol Ther. 2017 Jun;19(S3):S1-S2. PubMed PMID: 28585872
  • Garg SK, Shah VN, Akturk HK, Beatson C, Snell-Bergeon JK. Role of Mobile Technology to Improve Diabetes Care in Adults with Type 1 Diabetes: The Remote-T1D Study iBGStar(®) in Type 1 Diabetes Management. Diabetes Ther. 2017 Aug;8(4):811-819. PubMed PMID: 28555339
  • Garg SK, Akturk HK. Flash Glucose Monitoring: The Future Is Here. Diabetes Technol Ther. 2017 May;19(S2):S1-S3. PubMed PMID: 28541133
  • Akturk HK, Nippoldt TB. Implications and Interpretations of Differences in Age-Adjusted Testosterone Levels-Reply. JAMA Intern Med. 2017 May 1;177(5):744. PubMed PMID: 28460107
  • Akturk HK, Sotello D, Ameri A, Abuzaid AS, Rivas AM, Vashisht P. Toxoplasma Infection in an Immunocompetent Host: Possible Risk of Living with Multiple Cats. Cureus. 2017 Mar 19;9(3):e1103. PubMed PMID: 28435763
  • Akturk HK, Smallridge R, Casler J. Rapidly Enlarging Thyroid Mass in a Patient With History of Multiple Cancers. JAMA Oncol. 2017 Jun 1;3(6):853-854. PubMed PMID: 28253395
  • Garg S. Rewers A. Akturk HK. New Medications for the Treatment of Diabetes. ATTD Annual Book
  • Akturk HK, Yasa S. Previously unreported abnormalities in Wolfram Syndrome Type 2. Pediatr Endocrinol Diabetes Metab. 2017;23(2):107-110. PubMed PMID: 29073294
  • Akturk HK, Shah VN. Severe Hypoglycemia in Adults With Type 1 Diabetes After Switching to Insulin Degludec. J Diabetes Sci Technol. 2017 Nov 1;:1932296817742922. [Epub ahead of print] PubMed PMID: 29183157
  • Akturk HK, Nippoldt TB. Low Testosterone in Men Should Be a Sign Rather Than a Number to Increase: A Teachable Moment. JAMA Intern Med. 2016 Dec 1;176(12):1743-1744. PubMed PMID: 27723882
  • Oktay AA, Akturk HK, Jahangir E. Diabetes mellitus and hypertension: a dual threat. Curr Opin Cardiol. 2016 Jul;31(4):402-9. PubMed PMID: 27070651
  • Oktay AA, Aktürk HK, Paul TK, O’Keefe JH, Ventura HO, Koch CA, Lavie CJ. Diabetes, Cardiomyopathy, and Heart Failure. . 2000. PubMed PMID: 32776639
  • Oktay AA, Aktürk HK, Paul TK, O’Keefe JH, Ventura HO, Koch CA, Lavie CJ. Diabetes, Cardiomyopathy, and Heart Failure. . 2000. PubMed PMID: 32776639
  • Differentiating diabetic ketoacidosis and hyperglycemic ketosis due to cannabis hyperemesis syndrome in adults with type 1 diabetes
  • Early diabetes technology adaption improves glycemic control-7 year follow up study
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Practice Locations

Barbara Davis Center for Diabetes Adult Clinic - CU Anschutz Medical Campus
1775 Aurora Ct
Suite A140
Aurora, CO 80045
303-724-6755

Hospital Affiliation
  • University of Colorado Hospital
Center Affiliations

Specialty Information

Specialties
  • Endocrinology, Diabetes and Metabolism, Board Certification
  • Internal Medicine, Board Certification (2014)
Conditions & Treatments
  • Endocrine System (Hormones) - Adult Type 1 Diabetes
  • Endocrine System (Hormones)
  • Endocrine System (Hormones) - Adult Type 2 Diabetes

General Information

Medical Schools:
  • MD, Istanbul University, School of Medicine , Turkey (2007)
Internships:
  • Cleveland Clinic (2013)
Residency Programs:
  • Creighton University Program, Internal Medicine (2014)
Fellowships:
  • College of Medicine, Mayo Clinic Program, Endocrinology, Diabetes and Metabolism (2016)
Languages: English, Turkish
Department: Pediatrics-Barbara Davis Center
Contact Us
CU Anschutz
Fitzsimons Building

13001 East 17th Place
Campus Box C290
Aurora, CO 80045

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