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1) Evaluate the mechanisms linking diabetes, heart failure, and cardiovascular disease.
2) Examine the evolution of T2D drug development and factors leading to the requirement to evaluate cardiovascular safety for glucose lowering therapies.
3) Appraise new and emerging CVOT data for glucose lowering therapies and compare available CVOT data within the T2D therapeutic classes.
4) Compare and contrast CVOT data with updated guideline recommendations and discuss management and prevention strategies in patients with HF and/or CVD.
5) Using a case-based approach, explore unanswered questions and clinical challenges in applying CVOT data to real-world patient care.
6) Recognize opportunities for cardiologists to collaborate with endocrinologists, primary care providers, and other members of the healthcare team to improve outcomes for patients with T2D, HF, and CVD.
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Disclaimer
Special Thanks!
• Supported through an independent educational grant from AstraZeneca.
• Presented by Creative Educational Concepts, Inc. (CEC).
Faculty
Marc S. Sabatine, MD, MPHChairman, TIMI Study GroupLewis Dexter, MD Distinguished Chair in Cardiovascular MedicineProfessor, Harvard Medical SchoolBoston, Massachusetts
Disclosures: Consultant for Amgen, AstraZeneca, and Bristol-Myers Squibb.
Adrian F. Hernandez, MD, MHSVice Dean for Clinical ResearchDuke University School of MedicineProfessor of Medicine, CardiologyDuke Clinical Research InstituteDurham, North Carolina
Disclosures: Receives research funding from the American Heart Association (AHA), AstraZeneca, GlaxoSmithKline, Merck & Co., Luitpold; National Heart, Lung, and Blood Institute (NHLBI), Novartis, Patient-Centered Outcomes Research Institute (PCORI), Verily. Consultant for AstraZeneca, Bayer, Boston Scientific, Boehringer-Ingelheim, Merck & Co., Novartis, Pfizer, Inc.
Faculty
Silvio E. Inzucchi, MDProfessor of MedicineClinical Chief, Section of EndocrinologyYale University, School of MedicineMedical Director, Yale Diabetes CenterYale-New Haven HospitalNew Haven, Connecticut
Disclosures: Consultant for AstraZeneca, Boehringer Ingelheim, Eisai, Novo Nordisk, andSanofi/Lexicon. Receives other financial/material support from Intarcia.
Faculty
BEYOND GLYCEMIC CONTROL
Examining the Link Between Diabetes and CV Disease
Silvio E. Inzucchi, MDSection of EndocrinologyYale School of MedicineNew Haven, Connecticut
Beyond Glucose: Diabetes and CVD Link
† 2° outcome
1. DM and CVD: Epidemiology and mechanisms
2. Impact of glucose lowering and CV outcomes
3. Current landscape of T2D therapies
4. Regulatory mandates
Diabetes and CV Disease
Emergent Risk Factor Collaboration. Lancet. 2010.
N: 698,782
• Diabetes confers about a two-fold excess risk for coronary heart disease
• Analysis based on 530,083 participants from102 prospective studies
• HR adjusted for age, smoking status, BMI, systolic BP, sex and trial arm
Association between HbA1c and Complications in the UKPDS
0
10
20
30
40
50
60
Myocardial Infarction Microvasccular Disease
5.5%
6.5%
7.5%
8.5%
9.5%
10.5%
HbA1c
Stratton IM, et al. BMJ. 2000.
Ad
just
ed In
cid
ence
per
10
00
pat
ien
t-ye
ars
Epidemiological Analysis
Proposed Links between DM and ASCVD
Libby P, Plutzky J. Circulation. 2002.
Gilbert RE, Krum H. Lancet 2015.
DM, Prevalence of HF and Association with HbA1c
Marwick TH, et al. J Am Coll Cardiol. 2018.
Diabetic Heart FailureInteractions of Systemic, Myocardial, and Cellular Manifestations
Diabetes
Impaired glucose handling insulin
resistance
Oxidative Stress
Inflammation Hypertension
Atherosclerosis
Autonomic Dysfunction
Fibrosis↓ Perfusion
CAD
Hypertrophy Apoptosis
∆ Glucose Utilization∆ Fatty Acid Utilization∆ EC Coupling↓ Mitochondrial Function
Diastolic Dysfunction Systolic Dysfunction
Diabetic Heart Failure
↓ Compliance
CardiomyocytesMyocardium
Systemic
Beyond Glucose: Diabetes and CVD Link
† 2° outcome
1. DM and CVD: Epidemiology and mechanisms
2. Impact of glucose lowering and CV outcomes
3. Current landscape of T2D therapies
4. Regulatory mandates
Adapted from Bergenstal RM, et al. Am J Med. 2010; Duckworth W, et al. N Engl J Med. 2009; Gerstein HC, et al. N Engl J Med.2008; Hayward RA, et al. N Engl J Med. 2015; Holman RR. N Engl J Med. 2008; Nathan DM, et al. N Engl J Med. 1993;
Nathan DM, et al. N Engl J Med. 2005; Orchard TJ, et al. JAMA. 2015; Patel A, et al. N Engl J Med. 2008; UKPDS Group. Lancet. 1998; Zoungas S, et al. N Engl J Med. 2014.
Impact of Intensive Glucose-Lowering Therapy in DM Summary of Major RCTs
Study Microvasc CVD Mortality
DCCT(A1c 7.2 vs. 9.1%) ➔ ➔
UKPDS 33(A1c 7.0 vs. 7.9%) ➔ ➔
ACCORD(A1c 6.4% vs. 7.5%) ➔
ADVANCE(A1c 6.3% vs. 7.0%) ➔ ➔
VADT (A1c 6.9% vs. 8.4%) ➔ ➔
Study Microvasc CVD Mortality
DCCT(A1c 7.2 vs. 9.1%) ➔ ➔
UKPDS 33(A1c 7.0 vs. 7.9%) ➔ ➔
ACCORD(A1c 6.4% vs. 7.5%) ➔
ADVANCE(A1c 6.3% vs. 7.0%) ➔ ➔
VADT (A1c 6.9% vs. 8.4%) ➔ ➔
➔
➔
➔
➔
➔
Initial Randomized Trial
Long Term Follow-up
*Major CV events defined as CV death or non-fatal stroke or non-fatal myocardial infarction
More Intensive Glycemic Control Has Modest Effect on ASCVD and None on HF Outcomes
Turnbull FM, et al. Diabetologia. 2009.
Trials
Number of events(annual event rate, %) ∆HbA1c
(%)HR
(95% CI)Overall HR
(95% CI)More intensive Less intensive
Major cardiovascular events*
ACCORD 352 (2.11) 371 (2.29) -1.01
ADVANCE 557 (2.15) 590 (2.28) -0.72
UKPDS 169 (1.30) 87 (1.60) -0.66
VADT 116 (2.68) 128 (2.98) -1.16
Overall 1194 1176 -0.88 0.91 (0.84, 0.99)
Stroke
Overall 378 370 -0.88 0.96 (0.83, 1.10)
Myocardial infarction
Overall 730 745 -0.88 0.85 (0.76, 0.94)
Hospitalised/fatal heart failure
Overall 459 446 -0.88 1.00 (0.86, 1.16)
0.5 1 2
Favours more intensive
Favours less intensive
The Puzzles of Diabetesand Its Complications
Glucose Smoking BP
Genetics Inflammation Obesity
Insulin Resistance
Age Lipids
MACROvascular Complications
Genetics Glucose BP
MICROvascular Complications
Fruchart JC. Circulation. 2004; Yau JW, et al. Diabetes Care. 2012; MJ Fowler. Clin Diabetes. 2008.
Beyond Glucose: Diabetes and CVD Link
† 2° outcome
1. DM and CVD: Epidemiology and mechanisms
2. Impact of glucose lowering and CV outcomes
3. Current landscape of T2D therapies
4. Regulatory mandates
Adapted from Inzucchi SE, Sherwin RS. Cecil Medicine. 2011.
Multiple Pathophysiological Defects in T2D+
-
-
peripheralglucose uptake
hepatic glucose production
pancreatic insulinsecretion
pancreatic glucagonsecretion
gutcarbohydratedelivery &absorption
incretineffect
HYPERGLYCEMIA?
renal glucose excretion
Pathophysiologic Progression of T2D(and Its Vascular Complications)
Adapted from Ramlo-Halsted BA, et al. Clin Diabetes.2000.
Re
lati
ve f
un
ctio
n
Time (years)
β-cell failure
0
50
100
150
200
250
–10 –5 0 5 10 15 20 25 30
IFGIGTOBESITY
Glu
cose
(m
g/d
L)
DM diagnosis
50
100
150
200
250
300
350
MICROVASCULAR COMPLICATIONS
MACROVASCULAR COMPLICATIONS
UNCONTROLLED HYPERGLYCEMIAT2D
Adapted from Inzucchi SE, Sherwin RS. Cecil Medicine. 2011.
Multiple Pathophysiologically-Based Therapies for T2D
+
-
-
peripheralglucose uptake
hepatic glucose production
pancreatic insulinsecretion
pancreatic glucagonsecretion
gutcarbohydratedelivery &absorption
incretineffect
HYPERGLYCEMIA?
TZDsMetformin
DPP-4 inhibitors
GLP-1 Ragonists
SUs
Insulin
renal glucose excretion
SGLT2 inhibitors
A G I s
Glinides
Amylinmimetics
DA agonists
Bile acidsequestrants
Adapted from Inzucchi SE, Sherwin RS. Cecil Medicine. 2011.
+
-
-
peripheralglucose uptake
hepatic glucose production
pancreatic insulinsecretion
pancreatic glucagonsecretion
gutcarbohydratedelivery &absorption
incretineffect
HYPERGLYCEMIA?
TZDsMetformin
DPP-4 inhibitors
GLP-1 Ragonists
SUs
Insulin
renal glucose excretion
SGLT2 inhibitors
Major Pathophysiologically-Based Therapies for T2D
“insulin
providers”
“incretin
enhancers”
“insulin
sensitisers”
“glucose
excreter”
SUs
Insulin
DPP-4
inhibitors
GLP-1 R
agonists
TZDsMetformin
SGLT2
inhibitors
Oral Class Mechanism Advantages Disadvantages Cost
Metformin • Activates AMP-kinase / mGMP (?other)• Hepatic glucose production
• Extensive experience• No hypoglycemia• Weight neutral• ? CVD
• Gastrointestinal• Lactic acidosis• B-12 deficiency• Contraindications
Low
Sulfonyl-ureasGlimepirideGlipizideGlyburide
• Closes KATP channels• Insulin secretion
• Extensive experience• Microvascular risk
• Hypoglycemia• Weight• Low durability• ? Blunts ischemic preconditioning• Uncertain CV safety
Low
TZDsPioglitazoneRosiglitazone
• PPAR-g activator• Insulin sensitivity
• No hypoglycemia• Durability• TGs*• HDL-C • ? ASCVD events*
• Weight • Edema/Heart Failure• Bone fractures• LDL-C†
• ? Bladder cancer• ? Macular edema
Low
Inzucchi SE, et al. Diabetes Care. 2015; Davies MJ, et al. Diabetes Care. 2018.
* Pioglitazone † RosiglitazoneProperties of glucose-lowering agents (before CVOTs)
*Canagliflozin
Oral Class Mechanism Advantages Disadvantages Cost
DPP-4InhibitorsSitagliptinSaxagliptinAlogliptinLinagliptin
• Inhibits DPP-4• Increases incretin(GLP-1, GIP) levels
• No hypoglycemia• Well-tolerated
• Angioedema / urticaria• ? Pancreatitis• ? Arthralgia• ? Bullous pemphigoid
High
SGLT2inhibitorsCanagliflozinDapagliflozinEmpagliflozinErtugliflozin
• Inhibits SGLT2 in proximal nephron• Increases glucosuria
• No hypoglycemia• Weight• BP• TGs• HDL-C• Albuminuria• Effective at all stages of disease
• GU infections• DKA (rare)• Polyuria• UTI• Volume depletion• Cr (transient)• ? AKI• LDL-C • ↑risk for fractures*• ↑risk for amputation*• Fournier's gangrene (rare)
High
Properties of glucose-lowering agents (before CVOTs)
Inzucchi SE, et al. Diabetes Care. 2015; Davies MJ, et al. Diabetes Care. 2018.
Normal Physiology of Renal Glucose Homeostasis
SGLT2 SGLT1
Proximal tubule
S1
GlomerulusDistal tubule
Glucosefiltration
Minimalglucose
excretion
S3
Collecting duct
90%
10%Glucose
reabsorption
Loop of Henle
Adapted from Wright EM. Am J Physiol Renal Physiol. 2001; Lee YJ, et al. Kidney Int Suppl. 2007; Han S. Diabetes. 2008.
SGLT2 SGLT1
Proximal tubule
S1
GlomerulusDistal tubule
Glucosefiltration
Increasedglucose
excretion
S3
Collecting duct
90%
10%Glucose
reabsorption
Loop of Henle- 70-80 g/day
( - 280-320 kcal/day)
SGLT2 inhibitor
SGLT2 Inhibition ReducesRenal Glucose Reabsorption
Adapted from Wright EM. Am J Physiol Renal Physiol. 2001; Lee YJ, et al. Kidney Int Suppl. 2007; Han S. Diabetes. 2008.
InjectableClass
Mechanism Advantages Disadvantages Cost
GLP-1-R agonistsExenatideLiraglutideAlbiglutideDulaglitudeLixisenatideSemaglutide
• Activates GLP-1 R• Insulin• Glucagon• Gastric emptying• Satiety
• Weight• No hypoglycemia• PP glucose• CV risk factors
• Gastrointestinal• Injectable• Heart rate• ? Pancreatitis• ? Medullary cancer (mice only)• Training required
High
InsulinDegludecGlargineDetemirNPHRegularLisproAspartGlulisine
• Activates insulin receptor• Myriad
• Universally effective• Unlimited efficacy• Microvascular risk
• Hypoglycemia• Weight gain• Injectable• ? Mitogenicity• Patient reluctance• Training required
Varies
Properties of glucose-lowering agents (before CVOTs)Inzucchi SE, et al. Diabetes Care. 2015; Davies MJ, et al. Diabetes Care. 2018.
The Enteroinsular Axis
Gut Insulin(GLP-1,GIP)
Glucagon(GLP-1)
Nutrient signals
Hormonal signals• GLP-1• GIP
Neural signals
Adapted from Creutzfeldt W. Diabetologia. 1979; Kieffer T, et al. Endocr Rev. 1999; Nauck MA, et al. Diabetologia. 1993.
β cells
DPP-4 Inhibitor
α cells
+ Delays gastric emptying+ Decreases appetite (CNS)
Previous 2015 ADA-EASD Position Statement Management of Hyperglycemia in T2D
Anti-hyperglycemic TherapyGlycemic Targets
• HbA1c <7.0% (mean PG 150–160 mg/dL)
• Pre-prandial PG <130 mg/dL
• Post-prandial PG <180 mg/dL
• Individualization is key
• Tighter targets (6.0%–6.5%)—younger, healthier
• Looser targets (7.5%–8.0%+)—older, comorbidities, hypoglycemia prone, etc.
• Avoidance of hypoglycemia
PG = plasma glucose Inzucchi SE, et al. Diabetes Care. 2015; Inzucchi SE, et al. Diabetologia.2015.
† 2° outcome
Beyond GlucoseDM and CVD Link
1. DM and CVD: Epidemiology and mechanisms2. Impact of glucose lowering and CV outcomes3. Current landscape of T2D therapies4. Regulatory mandates
Class Potential CV Benefit* Potential CV Concern
Insulin •Anti-inflammatory•Hypoglycemia•Weight gain•? Mitogenicity
SU’s —•Hypoglycemia•Weight gain• ischemic preconditioning
Metformin • LDL-C• CRP
•Lactic acidosis in advanced HF
TZD’s• Insulin• TG, HDL-C• CRP•Direct vascular effects (PPAR-g)
•Salt/fluid retention•Weight gain• LDL-C
DPP-4 i’s •? Indirect cardiac effects (via GLP-1)•? Direct vascular effects
—
GLP-1 RA’s•Weight loss• BP• TG•? Direct cardiac effects
• Heart rate
SGLT2-i’s•Weight loss• BP• albuminuria• uric acid
•Hypovolemia• LDL
Effects of DM Meds on the CV System
*beyond glucose-lowering Lathief S, Inzucchi SE. Trends Cardiovasc Med. 2016.
Heart Attack Risk Seen in Drug for Diabetes
Tuesday, May 22, 2007
Courtesy of Darren McGuire, MD UT Southwestern, 2015; https://www.fda.gov/downloads/Drugs/Guidances/ucm071627.pdf.
“…sponsors should demonstrate that the therapy will not result in an unacceptable increase in cardiovascular risk.”
• Meta-analysis strategy using Phase 2/3 data
• Blinded central adjudication of CVD events
• Inclusion of high-risk subjects: advanced CVD, elderly, CKD
• Minimum exposure of 2 years in large CVOT
• Approximately 15,000 pt-yrs
1.0
Hazard Ratio
1.81.3
Pre-marketing AnalysesUpper CL of 95% CI <1.8For a HR=1.0 ➔ ≈122 events
Post-marketing AnalysesUpper CL of 95% CI <1.3For a HR=1.0 ➔ ≈611 events
Classes Generic Names A1c Impact on CVD
InsulinDegludec, Glargine, Detemir, NPH, Regular, Lispro, Aspart, Glulisine
No limit
SU’sGlyburide, Glipizide, Glimepiride
1%–1.5%
MetforminMetformin
1%–1.5%
TZD’sRosiglitazone, Pioglitazone
1%–1.5%
DPP-4 i’sSitagliptin, Saxagliptin, Alogliptin, Linagliptin
0.5%–1%
GLP-1 RA’sExenatide, Liraglutide, Albiglutide, Dulaglutide, Lixisenatide
1%–1.5%
SGLT2-i’sCanagliflozin, Dapagliflozin, Empagliflozin, Ertugliflozin
0.5%–1%
DM Meds and CV Outcomes Pre-FDA Guidance
*small studies; low-risk populations; MI only † 2° outcome
PRE
POST
FDA GUIDANCE
Classes Generic Names A1c Impact on MACE
InsulinDegludec, Glargine, Detemir, NPH, Regular, Lispro, Aspart, Glulisine
No limit ➔
SU’sGlyburide, Glipizide, Glimepiride
1%–1.5% ➔
MetforminMetformin
1%–1.5% *
TZD’sRosiglitazone, Pioglitazone
1%–1.5% ➔ – †
DPP-4 i’sSitagliptin, Saxagliptin, Alogliptin, Linagliptin
0.5%–1% ?
GLP-1 RA’sExenatide, Liraglutide, Albiglutide, Dulaglutide, Lixisenatide
1%–1.5% ?
SGLT2-i’sCanagliflozin, Dapagliflozin, Empagliflozin, Ertugliflozin
0.5%–1% ?*small studies; low-risk populations; MI only † 2° outcome
DM Meds and CV Outcomes Pre-FDA Guidance
Classes Generic Names A1c Impact on HF
InsulinDegludec, Glargine, Detemir, NPH, Regular, Lispro, Aspart, Glulisine
No limit ➔
SU’sGlyburide, Glipizide, Glimepiride
1%–1.5% ➔
MetforminMetformin
1%–1.5% ➔
TZD’sRosiglitazone, Pioglitazone
1%–1.5%
DPP-4 i’sSitagliptin, Saxagliptin, Alogliptin, Linagliptin
0.5%–1% ?
GLP-1 RA’sExenatide, Liraglutide, Albiglutide, Dulaglutide, Lixisenatide
1%–1.5% ?
SGLT2-i’sCanagliflozin, Dapagliflozin, Empagliflozin, Ertugliflozin
0.5%–1% ?
DM Meds and CV Outcomes Pre-FDA Guidance
1. People with diabetes are at increased risk for ASCVD and HF.
2. However, correcting diabetes’ major metabolic defect—hyperglycemia—has had little effect on reducing these complications.
3. Glucose-lowering medications could pose potential benefits and/or potential risks to the CV system.
4. Until recently the impact of older drugs themselves (i.e., beyond glucose-lowering) on actual CV outcomes in T2D patients has been either neutral or inconsistently demonstrated.
5. In 2008, the FDA provided guidance to industry to conduct large CV outcome trials in order ensure that new diabetes therapies would at least safe for the heart.
6. Over the past 3 years, we have seen important new results from these trials….
Summary
DECIPHERING CARDIOVASCULAR OUTCOME
TRIALS FOR DIABETES THERAPIES
How Do CVOTs Compare?
Marc S. Sabatine, MD, MPHChairman, TIMI Study Group
Lewis Dexter, MD, Distinguished Chair in Cardiovascular Medicine, BWHProfessor of Medicine, HMS
Disclosures
• Consultant for Amgen, AstraZeneca, and Bristol-Myers Squibb
HR (95% CI) HR (95% CI) P value
SAVOR-TIMI 53 1.00 (0.89, 1.12) 0.99
EXAMINE 0.96 (n/a, 1.16) 0.32*
TECOS 0.99 (0.89, 1.11) 0.84
CARMELINA 1.02 (0.89, 1.17) 0.7398
0.5 1.0 2.0
Favors DPP-4 inhibitor Favors placebo
3P-MACE
HR (95% CI) HR (95% CI) P value
1.27 (1.07, 1.51) 0.007
1.19 (0.89, 1.59) 0.24
1.00 (0.83, 1.20) >0.99
0.90 (0.74, 1.08) 0.2635
Hospitalization for Heart Failure
DPP4 Inhibitors CVOTs• SAVOR-TIMI 53 (saxagliptin)
• 16,492 patients w/CVD or multiple risk factors
• EXAMINE (alogliptin)• 5380 patients w/ACS
Scirica BM, et al. N Engl J Med. 2013; White WB, et al. N Engl J Med. 2013; Zannad F, et al. Lancet. 2015; Green JB, et al. N Engl J Med. 2015; McGuire DK, JAMA Cardiol. 2016; Rosenstock J, et al. Cardiovasc Diabetol. 2018; Rosenstock J, et al. Oral Presentation EASD 2018.
• TECOS (sitagliptin)• 14,671 patients w/CVD
• CARMELINA (linagliptin)• 7003 patients w/CVD and/or kidney disease
*One-sided P-value 0.5 1.0 2.0
Favors DPP-4 inhibitor Favors placebo
GLP-1 Receptor Agonist CVOTs
Drug Trial N Pts w/ASCVD Follow-up
Lixisenatide ELIXA 6068100%
(post-ACS)2.1 yrs
Liraglutide LEADER 9340 81% 3.8 yrs
Semaglutide SUSTAIN-6 3297 59% 2.1 yrs
Exenatide EXSCEL 14,752 73% 3.2 yrs
AlbiglutideHARMONY Outcomes
9463 100% 1.6 yrs
Dulaglutide REWIND 9901 31% ~6.5 yrs
Pfeffer MA, et al. N Engl J Med. 2015; Marso SP, et al; LEADER Trial Investigators. N Engl J Med. 2016; Marso SP, et al; SUSTAIN-6 Investigators. N Engl J Med. 2016; Holman RR, et al. N Engl J Med. 2017.Hernandez AF, et al. Lancet. 2018; Gerstein HC, et al. Diabetes Obes Metab. 2018; www.clinicaltrials.gov.
ELIXA
CV
Dea
th, M
I, S
tro
ke, H
osp
. fo
r U
A(%
of
Pati
ents
)
MonthsPfeffer MA, et al. N Engl J Med. 2015.
Hazard ratio, 1.02 (95% CI, 0.89-1.17)
Lixisenatide
Placebo
Non-ACS GLP-1 RA CVOTsC
V D
eat
h, M
I, S
tro
ke(%
of
pat
ien
ts)
Years
EXSCEL
Marso SP, et al; LEADER Trial Investigators. N Engl J Med. 2016; Marso SP, et al; SUSTAIN-6 Investigators. N Engl J Med. 2016; Holman RR, et al. N Engl J Med. 2017.Hernandez AF, et al. Lancet. 2018.
CV
De
ath
, MI,
Str
oke
(% o
f p
atie
nts
)
LEADER SUSTAIN-6
Months Weeks
HARMONYOutcomes
Months
Summary of GLP-1 RA CVOT Results
Drug TrialRelative Risk Reduction
MACE CV Death MI Stroke HHF
Liraglutide LEADER 13% 22% 14% 14% 13%
Semaglutide SUSTAIN-6 26% 2% 26% 39% 11% ↑
Exenatide EXSCEL 9% 12% 3% 15% 6%
AlbiglutideHARMONY Outcomes
22% 7% 25% 14% ~25%
Overall, ~15% relative risk reduction in MACE
Marso SP, et al; LEADER Trial Investigators. N Engl J Med. 2016; Marso SP, et al; SUSTAIN-6 Investigators. N Engl J Med. 2016; Holman RR, et al. N Engl J Med. 2017.Hernandez AF, et al. Lancet. 2018.
SGLT2 SGLT1
Proximal tubule
S1
GlomerulusDistal tubule
Glucosefiltration
Increasedglucose
excretion
S3
Collecting duct
90%
10%Glucose
reabsorption
Loop of Henle- 70-80 g/day
( - 280-320 kcal/day)
SGLT2 inhibitor
SGLT2 Inhibition ReducesRenal Glucose Reabsorption
Adapted from Wright EM. Am J Physiol Renal Physiol. 2001; Lee YJ, et al. Kidney Int Suppl. 2007; Han S. Diabetes. 2008.
EMPA-REG OutcomePrimary MACE Outcome
Zinman B, et al. N Engl J Med. 2015.
Month
HR: 0.86 (95.02% CI: 0.74-0.99)P=0.04 for superiority
0 6 12 18 24 30 36 42 48
20
15
10
5
0
Pat
ien
ts W
ith
an
Eve
nt
(%)
Empagliflozin
Placebo
CV Death, MI, or Stroken=7020 patients, all with CVD
CV Death, MI and StrokePatients with event/analysedEmpagliflozin Placebo HR (95% CI) p-value
3-point MACE 490/4687 282/2333 0.86 (0.74, 0.99) 0.0382
CV death 172/4687 137/2333 0.62 (0.49, 0.77) <0.0001
Non-fatal MI 213/4687 121/2333 0.87 (0.70, 1.09) 0.2189
Non-fatal stroke 150/4687 60/2333 1.24 (0.92, 1.67) 0.1638
0.25 0.50 1.00 2.00
Favours empagliflozin Favours placebo
Empagliflozin and CV Outcomesn=7020 Patients with T2D and CVD
Zinman B, et al. N Engl J Med. 2015.
EMPA-REG OutcomeCV Death/Hospitalization for Heart Failure
Month
n=7020 Patients with T2D and CVD
Placebo
Empagliflozin
HR: 0.66 (95% CI: 0.55-0.79)P<0.001
0 6 12 18 24 30 36 42 48
15
10
5
0
Pat
ien
ts W
ith
an
Eve
nt
(%)
Zinman B, et al. N Engl J Med. 2015; Fitchett D, et al. Eur Heart J. 2016.
5.7%
8.5%
No. of patients
Empagliflozin
Placebo 2333 2271 2226 2173 1932 1424 1202 775 1684687 4614 4523 4427 3988 2950 2487 1634 395
CANVAS Primary MACE Outcome
No. ofpatients
Placebo
Canagliflozin
2 3 4
Hazard ratio 0.86 (95% CI, 0.75-0.97) P<0.0001 for noninferiorityP=0.0158 for superiority
Placebo
Canagliflozin
Intent-to-treat analysis
5 61
20
18
16
14
12
10
8
6
4
2
00
Pat
ien
tsw
ith
ane
ven
t(%
)
4347 4153 2942 1240 1187 1120 789
5795 5566 4343 2555 2460 2363 1661Neal B, et al. N Engl J Med. 2017.
CV Death, Nonfatal MI, or Nonfatal Stroke
Years since randomization
Pat
ien
tsw
ith
anev
ent
(%)
No. ofpatientsPlacebo
Canagliflozin
4347 4202 3015 1281 1242 1184 831
5795 5655 4442 2647 2577 2503 1782
CANVASCV Death or Hospitalization for Heart Failure
Neal B, et al. N Engl J Med. 2017; Rådholm K, et al. Circulation. 2018.
2 3 4
Hazard ratio 0.78 (95% CI, 0.67-0.91)P=0.002
Intent-to-treat analysis
Years since randomization
0 1 5 6
20
18
16
14
12
10
8
6
4
2
0
Placebo
Canagliflozin
CANVASSecondary (66%) vs Primary (33%) Prevention
Mahaffey KW, et al. Circulation.2018.
DAPAGLIFLOZIN10 mg DAILY
PLACEBO
DURATIONEVENT DRIVEN≥1390 MACE
Median follow-up4.2 years
RANDOMIZE 1:1DOUBLE BLIND
All other DM Rx per treating MD
Wiviott SD, et al. Abstract 19485. Presented at AHA Scientific Sessions 2018; Wiviott SD, et al. N Engl J Med. 2018.
17,160 with Type 2 DMEstablished CV Disease (6974) or
Multiple Risk Factors (10186)
Follow-up visits In Person Q 6 mo/ telephone Q 3 mo
Primary EndpointsSafety: MACE (CV Death/MI/Ischemic Stroke)
Dual Efficacy: CV Death/HHF, MACE
DECLARE-TIMI 58Trial Design
HHF=hospitalization for heart failure
Full Trial CohortN=17,160
Age, yrs, Mean (SD) 64 (7)
Female Sex (%) 37
BMI, Mean (SD) 32 (6)
Duration of T2DM, yrs, Median (IQR) 11 (6, 16)
HbA1c (%), Mean (SD) 8.3 (1.2)
eGFR (CKD-EPI), Mean (SD) 85 (16)
Region (%): North America 32
Europe 44
Latin America 11
Asia Pacific 13
Established CV Disease (%) 41
History of Heart Failure (%) 10
DECLARE-TIMI 58Baseline Characteristics
P=NS for all between treatment arm comparisons
Wiviott SD, et al. Abstract 19485. Presented at AHA Scientific Sessions 2018; Wiviott SD, et al. N Engl J Med. 2018.
DECLARE TIMI-58Primary Endpoints
MACECV Death/HHF
DapagliflozinPlacebo
8.8% vs 9.4%HR 0.93 (0.84-1.03)P(Noninferiority) <0.001P(Superiority) 0.17
4.9% vs 5.8%HR 0.83 (0.73-0.95)P(Superiority) 0.005
HHF=hospitalization for heart failureWiviott SD, et al. Abstract 19485. Presented at AHA Scientific Sessions 2018; Wiviott SD, et al. N Engl J Med. 2018.
DECLARE-TIMI 58Secondary Endpoints
Renal Composite Endpoint 40%↓ eGFR, ESRD, Renal or CV death
4.3% vs. 5.6%HR 0.76 (0.67-0.87)P<0.001
All-Cause Mortality
6.2% vs 6.6%HR 0.93 (0.82-1.04)P=0.20
Wiviott SD, et al. Abstract 19485. Presented at AHA Scientific Sessions 2018; Wiviott SD, et al. N Engl J Med. 2018.
DECLARE TIMI-58Endpoints and Components
Dapagliflozin Placebo
*P for superiority, **P for non-inferiority
Wiviott SD, et al. Abstract 19485. Presented at AHA Scientific Sessions 2018; Wiviott SD, et al. N Engl J Med. 2018.
EMPA-REG OUTCOME CANVAS Program DECLARE-TIMI 58
Median Follow-Up Time (yrs) 3.1 2.4 4.2
Trial participants (n) 7020 10142 17160
Age (mean) 63.1 63.3 63.9
Female Sex 2004 (28.5%) 3633 (35.8%) 6422 (37.4%)
Established ASCVD 7020 (100%) 6656 (66%) 6974 (41%)
History of Heart Failure 706 (10.1%) 1461 (14.4%) 1724 (10.0%)
eGFR <60 ml/min/1.73 m2 1819 (25.9%) 2039 (20.1%) 1265 (7.4%)
Baseline Characteristics
Zinman B, et al. N Engl J Med. 2015; Neal B, et al. N Engl J Med. 2017; Wiviott SD, et al. N Engl J Med. 2018; Zelniker TA, et al. Lancet. 2018.
Meta-Analysis of CVOTsMACE by Presence of ASCVD
Test for Subgroup Differences P=0.05
Hazard RatioZelniker TA, et al. Lancet. 2018.
Meta-Analysis of CVOTsCV Death/HHF by Presence of ASCVD
Test for Subgroup Differences P=0.41
CV Death/HHF
Hazard RatioZelniker TA, et al. Lancet. 2018.
Meta-Analysis of CVOTsCV Death/HHF by History of Heart Failure
Test for Subgroup Differences P=0.51
CV Death/HHF
Hazard Ratio Zelniker TA, et al. Lancet. 2018.
Meta-Analysis of CVOTsCV Death/HHF by Baseline eGFR
P-trend 0.007Hazard Ratio Zelniker TA, et al. Lancet. 2018.
Adrian F. Hernandez, MD, MHSVice Dean for Clinical Research
Duke University School of MedicineProfessor of Medicine, Cardiology
Duke Clinical Research InstituteDurham, North Carolina
FROM CLINICAL TRIALS TO CLINICAL PRACTICE
Applying CVOT Data to Real-World Patient Care
Disclosures
• Research funding: American Heart Association (AHA), AstraZeneca; GlaxoSmithKline; Merck & Co.; Luitpold; National Heart, Lung, and Blood Institute (NHLBI); Novartis; Patient-Centered Outcomes Research Institute (PCORI); Verily• Consultant: AstraZeneca; Bayer; Boston Scientific;
Boehringer-Ingelheim; Merck & Co.; Novartis; Pfizer, Inc.
Should we aim to improve population health?
Should we take 17 years to translate evidence into
practice?
† 2° outcome
Evidence into Practice
1. Bending the population health curve2. Quality chasm3. Implementation strategies4. Following evidence into practice
† 2° outcome
Evidence into Practice
1. Bending the population health curve2. Quality chasm3. Implementation strategies4. Following evidence into practice
0
100
200
300
400
500
600
700
2015 2040
Globally, 415 million people are living with diabetes.
Type 2 Diabetes is Increasingly Prevalent
+55%
http://diabetesatlas.org/resources/2017-atlas.html.
By 2040, people with diabetes is estimated to grow to 642 million.
Some places, especially along both coasts, experienced larger increases in life expectancy between 1980 and 2014.
In contrast, other places saw little, if any, improvement in life expectancy over this same period.
Change in Life Expectancy at Birth by County1980 to 2014
Dwyer-Lindgren L, et al. JAMA Intern Med. 2017.
“An Ounce of Prevention is Pound of Cure”
Diabetes mellitus increases the risk of HF • ≈2-fold in men • ≈5-fold in women
Heidenreich PA, et al. Circ Heart Failure. 2013; Horwitch TB, Fonarow GC. JAMA Cardiol. 2017.
Would Prevention be Easier for These Patients?
A 60-year-old male with a long history of heart failure and 3 weeks of gradually worsening symptoms.BP: 85/40 mmHg
An 80-year-old female with a long history of hypertension and multiple admissions for sudden onset dyspnea.BP: 185/120 mmHg
Heart Failure Hospitalization Rate2013–2015
This map was created using the Interactive Atlas of Heart Disease and Stroke, a website developed by the Centers for Disease Control and Prevention. Division for Heart Disease and Stroke Prevention. http://cdc.gov/dhdsp/map/atlas.
Costs and Accountable Care!
$2.7 Trillion Is Spent Annually on Health Care Costs (18% of US GDP)
Cardiovascular Disease Costs• Over $445 billion today • $1 trillion by 2030
Heart Failure Costs• Over $31 billion today • $71 billion by 2030
Heidenreich PA, et al. Circ Heart Failure. 2013.
DeVore AD, et al. J Am Coll Cardiol. 2016.
Health Policy Changes Have Greatly Impacted Quality Improvement Programs
† 2° outcome
Evidence into Practice
1. Bending the population health curve2. Quality chasm3. Implementation strategies4. Following evidence into practice
It takes an average of 17 years for new knowledge generated by randomized controlled trails to be incorporated into practice, and even then application is highly uneven.
From Evidence to Routine Practice
Institute of Medicine (US) Committee on Quality of Health Care in America. National Academies Press (US). 2001.
Quality Improvement Interventions Today
CLINICHOSPITAL
Guidelines—Why No Progress?
Fonarow GC. Rev Cardiovasc Med. 2006.
Who is responsible?
HumblingA complete and utter failure to change care…
Devore AD, et al. Circ Cardiovasc Qual Outcomes. 2015.
† 2° outcome
Evidence into Practice
1. Bending the population health curve2. Quality chasm3. Implementation strategies4. Following evidence into practice
ADA-EASD Consensus Report 2018Glucose-lowering Medication in T2D – Overall Approach
Davies MJ, et al. Diabetes Care. 2018.
First-line therapy is metformin and comprehensive lifestyle (including weight management and physical activity)If HbA1c above target proceed as below:
Established ASCVD or Heart Failure/CKD
ASCVD Predominates
If HbA1c above target
If further intensification is required or patient is now unable to tolerate GLP-1 RA and/or SGLT-2i, choose agents demonstrating CV safety:
• Consider adding the other class (GLP-1 RA and/or SGTL2i with proven CVD benefit*
• DPP-4i if not on GLP-1 RA
• Basal Insulin
• TZD
• SU
GLP-1 RA with proven CVD benefit*
SGLT-2i with proven CVD benefit* if eGFR adequate
EITHER/OR
Heart Failure (HF) or CKD Predominates
If HbA1c above target
• Avoid TZD in the setting of HF
Choose agents demonstrating CV safety:
• Consider adding the other class with proven CVD benefit*
• DPP-4i (not saxagliptin) in the setting of HF (if not on GLP-1 RA)
• Basal Insulin
• SU
PREFERABLYSGLT-2i with evidence of reducing HF or CKD progression in
CVOT trials if eGFR adequate------------------------------OR-----------------------------
If SGLT2i not tolerated or contraindicated or if eGFR less than adequate add GLP-1 RA with proven CVD benefit*
*Proven CVD benefit means has a label indication of reducing CVD events.
“The strategies of audit and feedback andeducational outreach visits were generally effective in improving both process of care and clinical outcomes...multifaceted interventions appeared to be more effective. ”
Chan W, et al. Circulation. 2017.
A health-system engagement strategy that will:
• Provide audit/feedbackthrough monthly, live interactions to mentor health teams in design, measurement, and monitoring of local quality improvement action plans
• Provide educational outreach with specialized quality improvement (QI) training
How to Implement Health System QI Engagement?
Central Role of Improving Evidenced-based Treatments
Best practices dashboard
Toolbox
Measurement and Feedback
Patient levelHospital level
Medications and doses
Lifestyle, diet, exercise
Monitoring and communication
↑ Survival↓ Hospitalization
Approaches Intermediate Measures Primary Outcome
• Interdisciplinary team• System for risk assessment for patient-
centered care• Telehealth vs clinical
• System for• Patient education (teach-back), focus on
medications, follow-up plan
• Call-back (to affirm plan of care)
• Come-back (to health care provider)
• System for medication reconciliation and adherence enhancement
Leveraging Systems of Care
Teach Back
Call Back
Come Back
Support TechnologyWhat’s New?
Patient Driven
• Behavior apps
• Digitally linked monitoring (Glucose, weight)
• Activity measures
• Diet monitors
Health System Driven
• Clinical reports• Health Portals• “BPAs” (best practice)• “PDAs” (decision aids)
Home-based Care for Managing Chronic Conditions
New Models of CareHome-based Care Solution
On DemandPatients access care when they need it and without
delay
Lower CostReduces financial barriers
to care for high-risk patients
$
Improved Experience
Diagnosis + treatment without leaving your home
C
The Cost of Not Taking Your MedicineBy Jane E. Brody
“There is an out-of-control epidemic in theUnited States that costs more and affects morepeople than any disease Americans currentlyworry about. It’s called nonadherence toprescribed medications, and it is—potentially,at least—100 percent preventable by the veryindividuals it afflicts.
“The numbers are staggering. ‘Studies haveconsistently shown that 20 percent to 30 percent
of medication prescriptions are never filled, and that approximately 50 percent of medicationsfor chronic disease are not taken as prescribed,’ according to a review in Annals of InternalMedicine. People who do take prescription medications—whether it’s for a simple infectionor a life-threatening condition—typically take only about half the prescribed doses.”
Brody JE. The New York Times. April 17, 2017.
Interventions Shown to Improve Adherence
• More thorough patient instructions and counseling• Pill organizers or packaging• Reminders (including telephone follow-up)• Close follow-up• Supervised self-monitoring• Rewards for success• Family or couple-focused therapy• Psychological therapy
Haynes RB, et al. Cochrane Database Syst Rev. 2008.
† 2° outcome
Evidence into Practice
1. Bending the population health curve2. Quality chasm3. Implementation strategies4. Following evidence into practice
Each 10% improvement in ACC/AHA heart failure guideline-recommended composite care was associated with a 13% lower odds of 24-month mortality (adjusted OR 0.87; 95% CI, 0.84–0.90; P<0.0001).
Case ExampleTranslation of Evidence into Real World
Fonarow GC, et al. Circulation. 2011.
ACC/AHA Guideline-Directed Therapy for Heart Failure Improves Outcomes
• Diabetes is a growing problem with heart failure as an even worse outcome
• Prevention is the key for success
• We need to use systems of care to implement evidence faster than 17 years…our patients deserve it!
• Patients, clinicians, and systems matter
• Opportunities to improve outcomes are in everyone’s hands
• Learn what’s best on how to deliver every day!
Conclusions
• Bergenstal RM, Bailey CJ, Kendall DM. Type 2 diabetes: assessing the relative risks and benefits of glucose-lowering medications. Am J Med. 2010;123(4):374.e9–e18.
• Bertoni AG, Hundley WG, Massing MW, et al. Heart failure prevalence, incidence, and mortality in the elderly with diabetes. Diabetes Care. 2004;27(3):699–703.
• Brody JE. The cost of not taking your medicine. The New York Times. April 17, 2017;D7.
• Chan WV, Pearson TA, Bennett GC, et al. ACC/AHA special report: clinical practice guideline implementation strategies: a summary of systematic reviews by the NHLBI Implementation Science Work Group: a report of the American College of Cardiology/American Heart Association Task Force on clinical practice guidelines. Circulation. 2017;135(9):e122–e137.
• Creutzfeldt W. The incretin concept today. Diabetologia. 1979;16(2):75–85.
• Davies MJ, D'Alessio DA, Fradkin J, Kernan WN, Mathieu C, Mingrone G, Rossing P, Tsapas A, Wexler DJ, Buse JB. Management of Hyperglycemia in Type 2 Diabetes, 2018. A Consensus Report by the American Diabetes Association (ADA) and the European Association for the Study of Diabetes (EASD). Diabetes Care. 2018 Oct 4. pii: dci180033.
• DeVore AD, Cox M, Heidenreich PA, et al. Cluster-randomized trial of personalized site performance feedback in get with the guidelines—heart failure. Circ Cardiovasc Qual Outcomes. 2015;8(4):421–427.
• DeVore AD, Hammill BG, Hardy NC, et al. Has public reporting of hospital readmission rates affected patient outcomes? analysis of Medicare claims data. J Am Coll Cardiol. 2016;67(8):963–972.
• Diabetes Control and Complications Trial Research Group; Nathan DM, Genuth S, Lachin J, et al. The effect of intensive treatment of diabetes on the development and progression of long-term complications in insulin-dependent diabetes mellitus. N Engl J Med. 1993;329(14):977–986.
• Duckworth W, Abraira C, Moritz T, et al; VADT Investigators. Glucose control and vascular complications in veterans with type 2 diabetes. N Engl J Med. 2009;360(2):129–139.
• Dwyer-Lindgren L, Bertozzi-Villa A, Stubbs RW, et al. Inequalities in life expectancy among US counties, 1980 to 2014: temporal trends and key drivers. JAMA Intern Med. 2017;177(7):1003–1011.
• Emerging Risk Factors Collaboration; Sarwar N, Gao P, Seshasai SR, et al. Diabetes mellitus, fasting blood glucose concentration, and risk of vascular disease: a collaborative meta-analysis of 102 prospective studies [published correction appears in: Lancet. 2010;376(9745):958]. Lancet. 2010;375(9733):2215–2222.
References
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