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Advanced Insulin Therapy: Achieving Better PPG Control in T1DM and T2DM
Moderator Stephen Atkin, MBBS, MD, PhD Professor of Medicine Weill Cornell Medicine - Qatar Education City, Qatar Foundation Doha, Qatar T1DM = type 1 diabetes mellitus T2DM = type 2 diabetes mellitus
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Faculty Thomas R. Pieber, MD Eric Renard, MD, PhD Tim Heise, MD
Professor of Medicine Chair, Department of Internal Medicine Chair, Division of Endocrinology and Diabetology Medical University of Graz Graz, Austria Eric Renard, MD, PhD Head, Department of Endocrinology, Diabetes, and Nutrition University Hospital of Montpellier Montpellier, France Tim Heise, MD Lead Scientist Science and Administration Profil Institute for Metabolic Research Neuss, Germany
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Introduction/Overview
Elevated PPG in both T1DM and T2DM has been associated with poor glycemic control as well as a number of cardiometabolic risk factors and comorbidities Rapid-acting insulins are useful in the treatment of PPG, but their onset of action is slow and PD/PK profiles may not correspond to physiologic insulin secretion Ultra-fast-acting prandial insulins address these short-comings, with the added benefit of more flexible dosing Clinical trial data suggest ultra-fast-acting prandial insulins can better control PPG and reduce HbA1c, with safety comparable to current prandial insulins HbA1c = glycated hemoglobin PPG = postprandial glucose PD = pharmacodynamic PK = pharmacokinetic
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Case Study Patient characteristics
Male; diabetes duration 10 years Age: 62 years BMI: 30 kg/m2 HbA1c: 8.2% FPG: 6.8 mmol/L (120 mg/dL) PPG: 10.5 mmol/L (189 mg/dL) eGFR: 66 Treatment: Metformin Basal insulin 30 units in the evening How should we advance treatment for this patient? BMI = body mass index FPG = fasting plasma glucose eGFR = estimated glomerular filtration rate
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PPG, HbA1c, and Risk Factor Exacerbation
Elevated PPG has been associated with poor HbA1c control and other risk factors, for example: Exacerbation of insulin resistance Diabetes disease progression (increased PPG drives an increase in HbA1c) CV disease Recent data from a meta-analysis suggest that PPG has a stronger correlation with HbA1c than FPG CV = cardiovascular Ketema L, et al. Arch Pub Health. 2015;73:43.
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Impact of Postprandial Hyperglycemia
Associated with: Microvascular complications[a,b] CV events[c] CV and all-cause mortality[c,d] Can affect mood and cognitive function[e] San Luigi Gonzaga Diabetes Study: 14-Year Follow-Up of 505 Patients With T2DM[c] Outcome HR (95% CI) P Value CV events 1.45 (1.06, 1.99) .021 All-cause mortality 1.85 (1.31, 2.61) .001 Postprandial hyperglycemia was a significant predictor of CV events and mortality Medscape slide OUS CI = confidence interval HR = hazard ratio a. Shichiri M, et al. Diabetes Care. 2000;23:B21-B29; b. UKPDS Group. Lancet. 1998;352: ; c. Cavalot F, et al. Diabetes Care. 2011;34: ; d. DECODE Study Group. Arch Intern Med. 2001;161: ; e. Sommerfield AJ, et al. Diabetes Care. 2004;27:
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Major Mechanisms Linking Elevated PPG to Diabetes Complications
Hyperglycemia[a,b] Elevated PPG[a,b] Oxidative Stress[a,b] Vascular Inflammation[a,b] Endothelial Dysfunction[a,b] Diabetic Complications[a,b] a. Ceriello A, et al. Rev Endocr Metab Disord. 2016;17: b. de Vries MA, et al. Adv Exp Med Biol. 2014;824:
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When Should Glycemic Treatment Focus on PPG?
When does PPG become a concern? When the FPG is at goal and HbA1c remains elevated When large differences appear between bedtime and morning/AM ("BeAM" factor) When there are large glucose drops overnight or between meals When there is increased variability of FPG values Yacoub T. Postgrad Med. 2017;14:1-10.
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Recommended Targets for PPG
PPG Target (1-2 hours post meal) ADA/EASD[a,b] < 10 mmol/L < 180 mg/dL AACE[c] < 7.8 mmol/L < 140 mg/dL IDF[d] < 9.0 mmol/L < 160 mg/dL International Diabetes Federation. Guideline for Management of Postmeal Glucose in Diabetes. Available at: Accessed September 18, 2017. AACE = American Association of Clinical Endocrinologists ADA = American Diabetes Association EASD = European Association for the Study of Diabetes IDF = International Diabetes Federation a. Inzucchi SE, et al. Diabetologia. 2015;58: ; b. ADA Guidelines. Diabetes Care. 2017;40:S48-S56; c. Garber AJ, et al. Endocr Pract. 2017;23; ; d. IDF website. Management of Postmeal Glucose.
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Strategies for Treating PPG: Type 1 and Type 2 Diabetes
CGM: increasing patient awareness of PPG spikes post meal Improving the matching of bolus insulin dose to meal size Appropriate injection time; too many patients are still injecting after the meal, not before Addition of other compounds; eg, GLP-1 receptor agonists, or SGLT2 inhibitors Application of ultra-fast-acting prandial insulins CGM = continuous glucose monitoring GLP-1 = glucagon-like peptide-1 SGLT2 = sodium-glucose co-transporter-2
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Case Study (cont) Patient characteristics
Male; diabetes duration 10 years Age: 62 years BMI: 30 kg/m2 HbA1c: 8.2% FPG: 6.8 mmol/L (120 mg/dL) PPG: 10.5 mmol/L (189 mg/dL) eGFR: 66 Treatment: Metformin Basal insulin 30 units in the evening How should we advance treatment for this patient?
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Flat basal insulin profile
Insulin Replacement Therapy Aims to Recreate the Normal Blood Insulin Profile 0800 1200 1600 2000 2400 10 20 30 40 50 0400 Time, h Serum Insulin, mU/L Flat basal insulin profile Breakfast Lunch Dinner Mealtime (prandial) insulin excursions Rapid rise; short duration Medscape slide OUS Kruszynska YT, et al. Diabetologia. 1987;30:16-21. INTERNAL USE ONLY
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PK Profile of Insulin Replacement Therapy (Schematic Representation)
Time, h 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 Rapid (aspart, lispro, glulisine, insulin human)[a] Short (regular U-100) [a] Mixed short/intermediate (regular U-500) [a] Intermediate (NPH) [a] Long (detemir) [a] Long (U-100 glargine) [a] Glargine U-300[a] Plasma Insulin Levels Ultra-long (degludec U-100 & U-200)[b] Medscape slide OUS a. Hirsh IB. N Engl J Med. 2005;352: ; b. Haahr H, et al. Clin Pharmacokinet. 2014;53:
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Insulin Action (At Mealtime)*
Ultra-Fast-Acting Insulin: Approaching a More Exact Physiological Insulin Profile First-generation rapid-acting insulins had improved action profile vs RHI Ultra-fast-acting insulins: Better approach physiological insulin secretion in T1DM Replace early insulin secretion in T2DM Have a better profile for pump therapy Rapid-acting insulin Time, h Insulin Action (At Mealtime)* From the normal pancreas 'Faster-acting' insulin RHI RHI = regular human insulin *Schematic representation. Home PD. Diabetes Obes Metab. 2015;17: 14
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Adocia: BioChaperone® Technology
Insulin, Growth factors, mAbs… BioChaperone-Protein Complex Protein CE: shortened ref; added registered symbol to BioChaperone; added mAb abbreviation mAb = monoclonal antibody Adocia BioChaperone. Available at: Accessed 12/18/17. Adocia website. BioChaperone®.
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994-P/994 - Ultra-Fast-Acting Lispro (BCLIS) vs Insulin Lispro: Blood Glucose and PK Parameters
LS Means P value BCLIS vs LIS All Days Parameter Treatment Days 1- 2 Days 13-14 Blood glucose parameters BG_0-2h (mg*h/dL) BCLIS 47.7 39.7 43.6 .0041 LIS 50.3 62.0* 56.1 BGmax (mg/dL) 51 .0107 56 61 59 PK parameters AUCLIS_0-2h (pg*h/mL) 4434 4548 4520 <.0001 3872 3965 3946 BG = blood glucose AUC = area under the curve AUCLIS = area under the curve lispro LS = least squares LIS = lispro BCLIS = BioChaperone® lispro *indicates a significant difference within treatment between days 1-2 and days Heise T, et al. ADA Abstract 994.
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Faster-Acting Insulin Aspart: A New Formulation of Insulin Aspart
Thr Lys Asp Tyr Phe Gly Arg Glu Cys Val Leu Ala His Ser Gln Asn Ile A1 A21 B1 B30 B28 SS Nicotinamide: absorption modifier L-Arginine: added for stability Insulin aspart: reduced strength of the insulin dimer leading to fast absorption[a] Faster-acting insulin aspart is a new formulation of insulin aspart, which contains 2 excipients, nicotinamide and arginine[b] Nicotinamide acts as an absorption modifier; arginine acts as a stabilizing agent Both ingredients are "generally recognized as safe" by the FDA The excipients result in a stable formulation and faster initial absorption after SC injection Abbreviations: FDA = United States Food and Drug Administration SC = subcutaneous a. Brange J, et al. Diabetes Care. 1990;13: b. Heise T, et al. Diabetes Obes Metab. 2015;17: Figure courtesy of Tim Heise, MD.
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Faster-Acting Insulin Apart Pooled Analysis: Onset and Offset of Insulin Exposure
Ratio (95% CI) Cmax (pmol/L) 1.04 (1.00, 1.08) AUCIAsp, 0-12h (pmol·h/L) 1.01 (0.98, 1.04) AUCIAsp, 2-12h (pmol·h/L) 0.89 (0.85, 0.93)* Treatment Difference (95% CI) t50%Cmax (min) -9.5 (-10.7, -8.3)* tlate50%Cmax (min) -12.2 (-17.9, -6.5)* Faster aspart Insulin aspart 50 100 150 200 250 300 Insulin aspart serum conc. (pmol/L) 1 2 3 4 Time (h) 5 6 7 8 –10/–12 min Cmax = peak serum concentration AUCIAsp = area under the curve insulin aspart t50%Cmax = time to 50% peak serum concentration tlate50%Cmax = time to late 50% peak serum concentration IAsp = insulin aspart CSII = continuous subcutaneous insulin infusion *statistically significant. (Faster-acting insulin aspart is approved in the US, Canada, EU, Australia [CSII only in the EU].) Reproduced from Heise T, et al. Clin Pharmacokinet. 2017;56:
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Faster-Acting Insulin Aspart Pooled Analysis: Early Exposure
Faster aspart/IAsp Ratio (95% CI) AUCIAsp, 0-15min 3.83 (3.41, 4.29)* AUCIAsp, 0-30min 2.01 (1.87, 2.17)* AUCIAsp, 0-1h 1.32 (1.26, 1.39)* AUCIAsp, 0-1.5h 1.16 (1.12, 1.21)* AUCIAsp, 0-2h 1.10 (1.06, 1.14)* Favors insulin aspart Favors faster aspart *statistically significant; all P values were <.001 Heise T, et al. Clin Pharmacokinet. 2017;56:
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Treatment difference (95% CI)
Faster-Acting Insulin Aspart Pooled Analysis: Onset and Offset of Insulin Action Ultra-fast-acting aspart has a 4.9 min earlier peak than standard aspart. Faster aspart Insulin aspart GIR (mg/(kg·min)) 2 4 6 8 1 3 5 7 Time (h) –10/–14 min Ratio (95% CI) GIRmax (mg/kg·min) 1.01 (0.96, 1.05) AUCGIR, 0-12h (mg/kg) 0.98 (0.94, 1.03) Treatment difference (95% CI) t50%GIRmax (min) -9.5 (-12.5, -6.4)* tlate50%GIRmax (min) -14.3 (-22.1, -6.5)* GIR = glucose infusion rate GIRmax = maximum glucose infusion rate t50%GIRmax = time to half maximum glucose infusion rate tlate50%GIRmax = time to late half maximum glucose infusion rate *statistically significant (Faster-acting insulin aspart is approved in the US, Canada, EU, Australia [CSII only in the EU].) Reproduced from Heise T, et al. Clin Pharmacokinet. 2017;56:
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Faster-Acting Insulin Aspart in Insulin Pumps: PK Results
Cmax [1.03; 1.19] 26 min Faster aspart Endpoint Treatment Difference (min; 95% CI) tEarly50%Cmax -11.8 (-14.4, -9.2) tmax -25.7 (-34.3, -17.1) tLate50%Cmax -35.4 (-47.0, -23.8)* 12 min 35 min AUCIAsp,0-6h [0.90; 1.05] Tmax = time to maximum insulin aspart concentration tEarly50%Cmax = time to early 50% peak serum concentration * All P values were <.001. Faster-acting insulin aspart is approved in the US, Canada, EU, Australia (CSII only in the EU). Heise T, et al. Diabetes Obes Metab 2017;19: © 2016 The Authors. Diabetes, Obesity and Metabolism published by John Wiley & Sons Ltd.
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Faster-Acting Insulin Aspart in Insulin Pumps: Improved 2-Hour PPG (CGM)
IG Increment, mmol/L P <.001 P = .004 P = .015 All Meals After Breakfast Faster aspart Insulin aspart IG = interstitial glucose Graphs show LS mean values Bode BW, et al. Diabetes Technol Ther. 2017;19:25-33.
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Patients With T1DM Who May Be Candidates for Ultra-Fast-Acting Insulins
Patients who may fail to follow the recommendation to inject bolus insulin before the meal Patients with irregular eating habits who may want to use post meal dosing of faster aspart Patients who experience hypoglycemia following a meal when injecting rapid-acting insulin analogs before the meal
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Onset® 1: Study Design Double-blind Faster aspart (mealtime) + detemir
Insulin aspart + insulin detemir Faster aspart (mealtime) + detemir Insulin aspart (mealtime) + detemir Faster aspart (post meal) + detemir n = 381 n = 380 n = 382 Run-in Randomization (1:1:1) End of treatment Partial DBL Additional treatment period 8 weeks 26 weeks FU Patients with T1DM on basal-bolus treatment: T1DM ≥ 12 months Male or female ≥ 18 years Basal-bolus insulin ≥ 12 months Insulin detemir or insulin glargine ≥ 4 months HbA1c 7.0% to 9.5% (53 to 80 mmol/mol) BMI ≤ 35.0 kg/m2 Medscape slide OUS DBL = database lock FU = follow-up Russell-Jones D, et al. Diabetes Care. 2017;40: The primary endpoint was change from baseline in HbA1c after 26 weeks of treatment
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Onset® 1: Postprandial Plasma Glucose (Test Meal)
Week 26 2-h ETDŦ: –0.67 mmol/L [95% CI: –1.29; –0.04] –12.0 mg/dL [95% CI: –23.3; –0.7] 1-h ETD*: –1.18 mmol/L [95% CI: –1.65; –0.71] –21.2 mg/dL [95% CI –29.7; –12.8] Faster-acting insulin aspart significantly reduced HbA1c vs standard aspart (P =.0003) *P <.001; ŦP = .0375 American Diabetes Association Russell-Jones D, et al. Diabetes Care. 2017;40: Copyright and all rights reserved. Material from this publication has been used with the permission of American Diabetes Association.
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Onset® 1: Severe and Confirmed Hypoglycemia
Faster aspart (meal-time) Insulin aspart (meal-time) Faster aspart (post-meal) NS = not significant Estimated Ratio 95% CI Faster aspart (meal-time)/ Insulin aspart (meal-time) 1.01 0.88, 1.15 Faster aspart (post-meal)/ 0.92 0.81, 1.06 Russell-Jones D, et al. Diabetes Care. 2017;40:
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Patients With T2DM Who May Be Candidates for Ultra-Fast-Acting Insulins
Patients with cognitive disturbances, and/or unsure how much the patient will eat at a meal Patients who habitually forget to inject prandial insulins pre-meal CE: added Patients to first bullet
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Onset® 2: Study Design Basal insulin dose optimization
Bolus intensification Faster aspart + insulin glargine U100 + metformin Patients with T2DM on basal insulin and metformin ± other OADs Insulin glargine U100 + metformin n = 345 Insulin aspart + insulin glargine U100 + metformin n = 344 8 weeks 26 weeks 1 week/30 days Medscape slide OUS Abbreviations: OAD = oral antidiabetic drug Run-in Randomization (1:1) Follow-up End of treatment Randomization criteria: HbA1c 7.0% to 9.5% (53 to 80 mmol/mol), using HbA1c measured at visit 9 (week-1). Bowering K, et al. Diabetes Care. 2017;40:
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Onset® 2: Postprandial Plasma Glucose (Test Meal)
Week 26 1-h ETD:* −0.59 mmol/L [95% CI: −1.09; −0.09] −10.6 mg/dL [95% CI: −19.6; −1.7] 2-h ETD:† −0.36 mmol/L [95% CI: −0.81; 0.08] −6.6 mg/dL [95% CI: −14.5; 1.4] HbA1c was reduced by -1.38% with faster-acting insulin aspart and by -1.36% with standard aspart *P =.0198; †confirmatory secondary endpoint, not statistically significant. American Diabetes Association Bowering K, et al. Diabetes Care. 2017;40: Copyright and all rights reserved. Material from this publication has been used with the permission of American Diabetes Association.
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Onset® 2: Treatment-Emergent Hypoglycemia
No Difference in Rates of Severe or BG-Confirmed Hypoglycemia* Faster aspart (meal-time) Insulin aspart (meal-time) Estimated Ratio 95% CI Faster aspart/ insulin aspart 1.09 0.88, 1.36 Medscape slide: OUS No differences in hypoglycemia rates or body weight No differences in safety data *BG-confirmed hypoglycemia: plasma glucose value < 56 mg/dL (3.1 mmol/L) Bowering K, et al. Diabetes Care. 2017;40:
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Patient Satisfaction With New Ultra-Fast-Acting Prandial Insulins
Greater control of PPG even in patients who use the insulin post meal (not recommended) No increased risk for hypoglycemia; physicians can more securely intensify therapy, if needed More consistent insulin level increase and action, leading to more consistent PPG control Potential for reducing treatment burden Likelihood for quality of life improvements
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Summary and Conclusions
PPG in T1DM and T2DM is sometimes difficult to treat and, uncontrolled, has been associated with disease exacerbation and increased CV risk First-generation rapid-acting (prandial) insulins have been helpful in controlling PPG, but only at best approximate normal mealtime insulin profiles New, ultra-fast-acting prandial insulins more exactly match mealtime insulin physiology, and thus may more effectively control PPG, with safety comparable to that of currently available prandial insulins
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Abbreviations AACE = American Association of Clinical Endocrinologists ADA = American Diabetes Association AUC = area under the curve AUCLIS = area under the curve lispro AUCIAsp = area under the curve insulin aspart BCLIS = BioChaperone® lispro BG = blood glucose BMI = body mass index CGM = continuous glucose monitoring CI = confidence interval Cmax = peak serum concentration CSII = continuous subcutaneous insulin infusion CV = cardiovascular DBL = database lock DPP-4 = dipeptidyl peptidase-4 EASD = European Association for the Study of Diabetes eGFR = estimated glomerular filtration rate ETD = estimated treatment difference
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Abbreviations (cont) FDA = United States Food and Drug Administration FPG = fasting plasma glucose FU = follow-up GIR = glucose infusion rate GIRmax = maximum glucose infusion rate GLP-1 = glucagon-like peptide-1 HbA1c = glycated hemoglobin HR = hazard ratio IAsp = insulin aspart IG = interstitial glucose IDF = International Diabetes Federation LIS = lispro LS = least squares mAb = monoclonal antibody NS = not significant OAD = oral antidiabetic drug PD = pharmacodynamic PK = pharmacokinetic
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Abbreviations (cont) PPG = postprandial glucose RHI = regular human insulin SC = subcutaneous SGLT2 = sodium-glucose co-transporter-2 t50%Cmax = time to 50% peak serum concentration t50%GIRmax = time to 50% maximum glucose infusion rate tearly50%Cmax = time to early 50% peak serum concentration tlate50%Cmax = time to late 50% peak serum concentration tlate50%GIRmax = time to late 50% maximum glucose infusion rate Tmax = time to maximum IAsp concentration T1DM = type 1 diabetes mellitus T2DM = type 2 diabetes mellitus
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