This document summarizes key findings from the IDF Diabetes Atlas 2021:
1) An estimated 537 million adults aged 20-79 have diabetes globally in 2021, representing 1 in 10 adults. 6.7 million deaths are attributed to diabetes each year.
2) The top 10 countries for number of adults with diabetes are China, India, USA, Brazil, Pakistan, Indonesia, Mexico, Egypt, Italy, and Bangladesh. The top countries for diabetes healthcare expenditure are USA, China, Japan, Germany, and India.
3) Diabetes prevalence is increasing worldwide, with the majority (75%) of people with diabetes living in low and middle income countries. Cardiovascular disease is the leading cause of death for people
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Type 2 Diabetes Remission Through Weight Loss: Evidence from the DiRECT Trial
1.
2. 2 | IDF Diabetes Atlas 2021â 10th edition www.idf.org @IntDiabetesFed
Highlights
In 2021, IDF estimates show that:
1 in 2
Adults is undiagnosed
240 million people
11.5%
Of global health expenditure spent
on diabetes (USD 966 billion)
1 in 10
Adults (20-79 years)
has diabetes
537 million people
1 in 6
Live births (21 million) affected
by hyperglycaemia in pregnancy,
80% have mothers with GDM
6.7 million
Deaths attributed to diabetes
1 in 18
Adults (20-79 years) has
impaired fasting glucose
319 million people
1 in 9
Adults (20-79 years) has
impaired glucose tolerance
541 million people
1.2 million
Children and adolescents below
20 years have type 1 diabetes
3 in 4
People with diabetes live in
low and middle-income countries
3. 3 | IDF Diabetes Atlas 2021â 10th edition www.idf.org @IntDiabetesFed
Number of people with diabetes
Aged 20â79 years globally and by IDF region
4. 4 | IDF Diabetes Atlas 2021â 10th edition www.idf.org @IntDiabetesFed
Top 10 countries with diabetes
In adults aged 20â79 years and diabetes-related health expenditure, 2021
5. Represents 2 million people.
Diabetes is mostly (85â95%) T2D.1
⢠T2D approximately doubles the risk
of death2
⢠Diabetes caused 4.9 million deaths
in 20141
⢠CVD is the principal cause of death
in T2D2,3
1.76
1.85
1 1.5 2.0
T2D is increasingly prevalent and CVD is the leading
cause of death in this population
5
1. IDF Diabetes Atlas, 2019. 9th Edition. http://www.idf.org/diabetesatlas.
2. Nwaneri et al. Br J Diabetes Vasc Dis 2013;13:192â207. 3. Morrish et al. Diabetologia 2001;44(suppl 2):S14â21.
⢠Globally, 463 million people are living
with diabetes1
⢠Rising to 700 million by 20451
Relative risk for
all-cause mortality
Relative risk for
CV mortality
8. Modifiable CV risk factors are common in patients
with T2D1,2
8
Almost a third of diabetes patients were current smokers2
1. Svensson et al. Diab Vasc Dis Res 2013;10:520â9. 2. Das et al. Am Heart J 2006;151:1087â93.
11. Copyright ADA/EASD 2022
Weight Reduction as a Targeted Intervention
⢠Weight reduction â improve glycemic management and reduce ABCD.
⢠Weight loss of 5-15% should be a primary target in T2DM.
⢠More is better
⢠Loss of 5-10% = metabolic improvement
⢠Loss of 10-15% = disease-modifying effect + lead to remission of diabetes.
⢠Weight loss â improve risk factors for cardiometabolic disease and QoL
DaviesMJ,ArodaVR,CollinsBS,GabbayRA,GreenJ,MaruthurNM,RosasSE,DelPratoS,MathieuC,MingroneG,RossingP,TankovaT,TsapasA,BuseJB
DiabetesCare2022;https://doi.org/10.2337/dci22-0034.Diabetologia2022;https://doi.org/10.1007/s00125-022-05787-2.
12. Copyright ADA/EASD 2022
Key Knowledge Gaps
ďˇ Study conduct
ďˇ Greater attention to subgroups, in particular
vulnerable populations
ďˇ Youth, frailty, >75 years of age
ďˇ Gender balance
ďˇ A minimal first step to enhancing health justice
ďˇ Weight management
ďˇ Comparative effectiveness
ďˇ Targets: A1c, TIR, weight, remission
ďˇ Cardiorenal protection
ďˇ Comparative effectiveness, Combination therapy,
Cost effectiveness in low/moderate risk population
DaviesMJ,ArodaVR,CollinsBS,GabbayRA,GreenJ,MaruthurNM,RosasSE,DelPratoS,MathieuC,MingroneG,RossingP,TankovaT,TsapasA,BuseJB
DiabetesCare2022;https://doi.org/10.2337/dci22-0034.Diabetologia2022;https://doi.org/10.1007/s00125-022-05787-2.
13. Potential
goals and
approaches
for type 2
diabetes
Diabetes
Prevention
Diabetes
Remission
Prediabetes
Schematic representation Adapted from Raccah et al. Diabetes Metab Res Rev 2007; 23: 257â264
S. Jin et al. / Can J Diabetes 46 (2022) 762e774
15. 2021 Definition
⢠Major diabetes journals published consensus-based remission
definitions, authored by representatives from the ADA, the
EASD, Diabetes UK, the Endocrine Society and the Diabetes
Surgery Summit
⢠A1C <6.5% without use of antihyperglycemic medications for
at least the 3 prior months.
The Journal of Clinical Endocrinology &
Metabolism. 2022 Jan;107(1):1-9.
16.
17. First of all, it is
a consensus
not a
guideline
We make a consensus to agree on
something that doesnât have enough
evidence to be written in guidelines
So they agree to not agree
So grades of new recommendations are D
Bariatric surgery and healthy behavioral
intervention have the greatest evidence A
21. New Definitions
⢠Type 2 diabetes remission with no antihyperglycemic
medication for at least 3 consecutive months and
achieving an A1C threshold as listed below:
⢠Remission categories:
ďąremission to normal glucose levels (A1C <6.0%)
ďąremission to prediabetes (A1C between 6.0%
and 6.4%)
⢠Type 2 diabetes relapse (subsequent A1C âĽ6.5%)
⢠Pharmacologically-managed diabetes (if currently
on antihyperglycemic medication/s)
Can J Diabetes46 (2022) 753 â 761
22. Remission Criteria
A1C criteria: see before
FPG criteria: â¤110 mg/dL for remission to normal
glucose levels or 110 to 125 mg/dL for remission to
prediabetes
OGTT criteria: both FPG [as above] and 2hPG ⤠140
mg/dL for remission to normal glucose levels or 141
to 199 mg/dL for remission to prediabetes
Can J Diabetes46 (2022) 753 â 761
23. The impact of the concept of diabetes remission on A1C targets
Can J Diabetes46 (2022) 753 â 761
26. How to start
ďąDiscussion concept of remission + should meet the
specified criteria to eliminate the need for
antihyperglycemic therapy [Grade D, Consensus].
ďąThe approach to deprescribing antihyperglycemic agents
should be individualized [Grade D, Consensus].
Can J Diabetes46 (2022) 753 â 761
27. Remission is
more likely
for people:
diagnosed with diabetes for a
shorter time (6 years or less)
with overweight or obesity, who
are âable or inclinedâ to lose weight
with blood sugars that are not
that elevated
who do not take insulin
28. Other considerations in issue of
remission
without significant eating
disorders or mental health
disorders (present challenges
in adhering to strategies to
achieve diabetes remission
long term)
without cardiovascular
disease, heart failure, or
chronic kidney
disease (because of potential
GLP1 RA and/or SGLT2i
continuation)
29. How to Follow
ďąIf type 2 diabetes remission criteria are
met, A1C (or, if A1C unreliable, FPG or
OGTT) should be performed at a
minimum interval of every 6 months to
assess persistence of diabetes remission
or relapse of diabetes [Grade D,
Consensus].
ďąIf, at 6 months, remission criteria have
not been met, reinitiation of
antihyperglycemic agents should be
considered.
Can J Diabetes46 (2022) 753 â 761
The Journal of Clinical Endocrinology & Metabolism. 2022 Jan;107(1):1-9.
31. Approaches to Type 2 Diabetes
Remission
1. Surgical interventions (+/- others below)
2. Pharmacological interventions (+/- others
below)
3. Health behavioral interventions (diet
and/or physical activity not include the
addition of new pharmacological agents or
surgery).
4. Digital technology interventions
Can J Diabetes46 (2022) 753 â 761
32. Cut it down
ďąBariatric surgery should be recommended
to nonpregnant adults with type 2
diabetes and a BMI âĽ35 kg/m2 as an
option to potentially induce type 2
diabetes remission [Grade A, Level 1A]
34. Health Behavioral
Interventions
⢠Low calorie diets (800-850
cal/day) with meal
replacement products for 3-
5 months aimed at
achieving >15kg weight loss,
followed by a structured
food reintroduction program
and increased physical
activity (for people with BMI
27-45) [Grade A, Level 1A].
Can J Diabetes46 (2022) 753 â 761
35. Health Behavioral Interventions (cont.)
⢠Exercise training (240-420
min/week) with a calorie
restricted diet (for people
with BMI >25, and with a
lower level of evidence for
this option) [Grade C, Level
2]
Can J Diabetes46 (2022) 753 â 761
38. DiRECT
(Diabetes Remission
Clinical Trial)
⢠First time randomized trial shows remission of
T2DM with dietary and lifestyle intervention
Lean MEJ, Leslie WS, Barnes AC, et al. Primary care-led weight management for remission of type 2 diabetes (DiRECT):
an open-label, cluster-randomised trial. The Lancet 2017
39. Background & Objectives
⢠T2DM management is focused on
pharmacological treatment
⢠Caloric restriction is beneficial for T2DM
patients, but not tested in routine primary
care.
⢠The DiRECT study was designed to assess
whether intensive weight management
can produce sustained remission of T2DM
in the primary care setting.
40. Study design
(1)
Inclusion Criteria
⢠T2DM diagnosis within the previous 6 years(*)
⢠age 20â65 years
⢠BMI: 27 - 45 kg/m2
Exclusion Criteria
⢠current insulin use
⢠HbA1c >12%
⢠weight loss of >5 kg within the past 6 months
⢠recent eGFR <30 mL/min/1.73m2
⢠severe or unstable HF
(*) most recent HbA1c value > 6.0%, if HbA1c <6.5% antidiabetic medication was continued
41. Study design (2)
ITT population
(N=298)
Control Group (N=149)
best-practice care by guidelines for up to 52 weeks
Intervention Group (N=149)
stop anti-diabetic and anti-hypertensive medications
Lean MEJ, et al. Lancet 2017
Total Diet Replacement
12-20 weeks
Food Reintroduction
2-8 weeks
Weight Loss Maintenance
up to 52 weeks
ITT: Intention-to-treat;
Total Diet Replacement:
825-853 kcal/day formula;
42. Main results (1/2)
IG: Intervention group; CG: Control group; DM: Diabetes Mellitus;
(*) Additionally, 5% in the CG started antidiabetic medications
Lean MEJ, et al. Lancet 2017
24%
46%
74%
0%
4%
18%
0%
10%
20%
30%
40%
50%
60%
70%
80%
weight loss 15kg or more DM remission drug discontinuation(*)
IG CG
Percentages
of
patients
in
each
group
43. Main results (2/2)
-10
-1
-12
-10
-8
-6
-4
-2
0
IG CG
Mean change in weight (kg)
P<0.0001
-0.9
0.1
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
IG CG
Mean change in HbA1c (%)
P<0.0001
IG: Intervention group; CG: Control group;
Lean MEJ, et al. Lancet 2017
44. DiRECT trial 12-month Bottom-line
Diabetes remission may occur in T2DM of up to 6 yearsâ duration
with help of an evidence-based structured weight management.
Almost a quarter of participants who followed the intervention
achieved at least 15 kg of weight loss at 12 months.
Almost half of patients (46%) in the IG showed remission of
diabetes and stopped antidiabetic Rx.
47. 24-month DiRECT trial bottom-line
36% of intervention
participants had sustained
remission at 24 months
HbA1c was significantly
reduced in the intervention
group, with 50% reduction
in use of diabetes
medications
52. Benefits are not only to stop drugsâŚ
⢠Substantial weight loss is associated with reduced liver and pancreatic
fat, and with restoration of pancreatic morphology and β-cell insulin
secretory capacity = glycemic benefits of loosing weight
⢠CV benefits of loosing weight
⢠Obesity itself is a disease, you must deal with it whether or whether not
achieving remission
Lancet Diabetes Endocrinol. 2020; 8: 939-948
Lancet Diabetes Endocrinol. 2019; 7: 726-736
53. Do not negatively impact your
patient
⢠Sometimes it its difficult, you may not
achieve this
⢠Weight loss may be difficult, and if occurred
its
⢠maintenance is difficult âon lifestyle aloneâ
⢠Remission is one target, lowering A1C is the
classic most important one
⢠Donât underestimate the 1% reduction in A1c
54. Message for those who are on
remission
⢠You carry risk, you are always at
risk
⢠You have to see your caregiver
every now and then
⢠A1c (or others) at 3 month
interval
55. Dilemma
⢠Insulin during remission
⢠Starting GLP-1 & SGLT2i for
non glycemic indications
⢠Diabetes beyond 6 years (what
about 7)
⢠If not obese at the start
⢠Blood sugar that not that
elevated
56. Copyright ADA/EASD 2022
Weight Management in Type 2 Diabetes
Davies M et al; Lancet 2021; 397: 971-84
FrĂas JP et al. N Engl J Med 2021;385:503-515
57. Bottom-line for diabetes remission
⢠Diabetes remission may be occurring more often due to
advances in treatment
⢠More research is needed.
⢠Individualize deprescription
⢠A1c reduction is enough sometimes
⢠Remission is one of treatment targets, not the only one
60. Potential
goals and
approaches
for type 2
diabetes
Diabetes
Prevention
Prediabetes
Schematic representation Adapted from Raccah et al. Diabetes Metab Res Rev 2007; 23: 257â264
S. Jin et al. / Can J Diabetes 46 (2022) 762e774
61. 61 | IDF Diabetes Atlas 2021â 10th edition www.idf.org @IntDiabetesFed
Highlights
In 2021, IDF estimates show that:
1 in 2
Adults is undiagnosed
240 million people
11.5%
Of global health expenditure spent
on diabetes (USD 966 billion)
1 in 10
Adults (20-79 years)
has diabetes
537 million people
1 in 6
Live births (21 million) affected
by hyperglycaemia in pregnancy,
80% have mothers with GDM
6.7 million
Deaths attributed to diabetes
1 in 18
Adults (20-79 years) has
impaired fasting glucose
319 million people
1 in 9
Adults (20-79 years) has
impaired glucose tolerance
541 million people
1.2 million
Children and adolescents below
20 years have type 1 diabetes
3 in 4
People with diabetes live in
low and middle-income countries
62. β-Cell Volume in Patients With IFG and Patients With T2D
Butler AE et al. Diabetes 2003;52:102-10
64. Heatlh Risks
Associated
With
Prediabetes
64
Prediabetes to diabetes: 4-6% for isolated IGT, for
isolated IFG 6-9% and for both IGT and IFG was 15-19%
CKD and early nephropathy
Neuropathies
Retinopathy
ASCVD (prediabetes or diabetes or IR)
Diabetes Res Clin Pract. 2007 Dec; 78(3):305-12.
Diabetes Care. 2000 Aug; 23(8):1113-8.
Diabetes Care. 2010 Oct; 33(10):2285-93.
Diabet Med. 2007 Feb; 24(2):137-44.
Lancet. 2010 Jun 26; 375(9733):2215-22.
World J Diabetes. 2015 Mar 15; 6(2): 296â303.
65. Goals of
therapy in
persons with
prediabetes
and metabolic
syndrome
⢠Prevent progression to T2DM
⢠Prevent progression to MAFLD
⢠Improve CVD risk factors via aggressive
control of:
ďźelevated BP
ďźdyslipidemia
⢠Treat ABCD
⢠Improve functionality and
⢠QoL
67. Lifestyle intervention for the Prevention or Delay of
Type 2 Diabetes
67
Study Title (country of
conduct, year of
publication, n)
Risk eligibility criteria
Duration of
follow-up
Intervention
Risk reduction in diabetes
incidence compared to
control
Da Qing Study
(China, 1997, n=577) IGT; age ⼠25 years
6 y Diet 31%
Exercise 46%
Diet + Exercise 42%
Control --
Finnish Diabetes Study
(Finland, 2001, n=522)
IGT; age 40â65 years; BMI > 25
kg/m2
3.2 y Diet + Activity 58%
Control --
Diabetes Prevention
Program
(US, 2002, n=3,234)
GT; FPG 5.3â6.9 mmol/l (<6.9
mmol/l for Native
American ancestry); age ⼠25
years; BMI ⼠24 kg/m2 (âĽ
22 kg/m2 in Asians)
2.8 y ILS 58%
Met 850 bid 31%
Placebo --
Japanese IGT Study
(Japan, 2005, n=458)
Men with IGT
4 y Diet + Exercise 67%
Control --
Indian Diabetes
Prevention Program
(India, 2006, n=531)
IGT; age 35â55 years
30 months Lifestyle 29%
Met 250 bid 26%
LS + Met 28%
Control --
Diabetologia
.
2017
September
;
60(9):
1601â1611.
68. Metformin for the Prevention or Delay of Type 2
Diabetes
68
Study Title (country of
conduct, year of
publication, n)
Risk eligibility criteria
Duration of
follow-up
Intervention
Risk reduction in
diabetes incidence
compared to control
Diabetes Prevention
Program
(US, 2002, n=3,234)
GT; FPG 5.3â6.9 mmol/l (<6.9
mmol/l for Native
American ancestry); age ⼠25
years; BMI ⼠24 kg/m2 (âĽ
22 kg/m2 in Asians)
2.8 y ILS 58%
Met 850 bid 31%
Placebo --
Indian Diabetes
Prevention Program
(India, 2006, n=531)
IGT; age 35â55 years
30 months Lifestyle 29%
Met 250 bid 26%
LS + Met 28%
Control --
Diabetologia. 2017 September ; 60(9): 1601â1611.
70. Role in PreDiabetes
Diabetes Prevention Program
Metformin reduced the incidence of T2DM by
31% relative to Placebo(13)
31% RRR
58% RRR
Ref. The writing group (William C. Knowler, M.D., Dr.P.H., Elizabeth Barrett- Connor, M.D., Sarah E. Fowler, Ph.D., Richard F. Hamman, M.D., Dr.P.H., John M. Lachin, Sc.D., Elizabeth A. Walker, D.N.Sc., and David M. Nathan, M.D.) takes
responsibility for the content of this article. Address reprint requests to he Diabetes Prevention Program Coordinating
Center, Biostatistics Center, George Washington University, 6110 Executive
Blvd., Suite 750, Rockville, MD 20852. *The members of the Diabetes Prevention Program Research Group are listed in the Appendix.
72. Essential Role in Pre-Diabetes
Diabetes Prevention Program
Effect of Metformin was higher in
Younger age groups Higher BMI Higher FPG at baseline
Ref. Lancet Diabetes Endocrinol 2015;
3: 866â75
Published Online
September 14, 2015
http://dx.doi.org/10.1016/
S2213-8587(15)00291-0
See Comment page 831
*Members listed in the appendix
Correspondence to:
Prof David M Nathan, Diabetes
Prevention Program
Coordinating Center,
Biostatistics Center, George
Washington University,
6110 Executive Blvd, Suite 750,
Rockville, MD 20852, USA
dppmail@bsc.gwu.edu
73. At 15-year follow-up (DPPOS)
73
Participants with higher
FPG (>110 mg/dL) and
women with history of
GDM experienced high
RRR with metformin
Therefor, women with
prior GDM are
candidates for
metformin in diabetes
prevention
75. Compared to the placebo
intervention
The lifestyle
intervention cost
~$1,700 more per
person over 10 years
but substantially
improved quality-of-
life = âcost-effectiveâ
The metformin
intervention cost
~$100 less per
person over 10 years
and marginally
improved quality-of-
life = âcost-savingâ
Diabetes Care 2012;35:723-30
76. Intensive lifestyle was
intensive
⢠Individual lifestyle coaches and access to
support staff:
1. Dietitian
2. Behavioral counselor
3. Exercise specialist
⢠16-session individual curriculum, covering
nutrition, exercise, and behavioral self
management
⢠Kept food journals (mandatory requirement in
run-in period); these were monitored
⢠The âToolboxâ
77. Consider
Prediabetes
treatment
⢠Prediabetes is a metabolic and vascular disorder,
and clinicians should actively treat people with
prediabetes in order to prevent or at least delay
progression to T2D and development of CVD
complications. Grade A; BEL 1
78. AACE endorses the healthy lifestyle
while dealing with prediabetes
⢠The prevention of T2D can be addressed by
lifestyle modifications that include a healthy meal
plan, regular physical activity, and behavioral
health practices and weight loss in persons with
ABCD. The Mediterranean diet should be
considered to reduce progression to T2D and risk
of CVD. Low-fat, vegetarian, and DASH meal
patterns can also be considered for prevention of
T2D. (Grade A, BEL 1)
79. AACE endorses the healthy lifestyle
while dealing with prediabetes
⢠Lifestyle intervention should include aerobic
and resistance physical activity in all persons
with prediabetes and/or metabolic syndrome.
The initial aerobic prescription may require a
progressive increase in the volume and
intensity of exercise, and the ultimate goal
should be 150 minutes/week of moderate
exercise performed during 3 to 5 sessions per
week (Grade A; BEL 1). Resistance exercise
should consist of single-set exercises that use
the major muscle groups 2 to 3 times per
week (Grade A; BEL 1). An increase in non-
exercise and active leisure activity should be
encouraged to reduce sedentary behavior
(Grade B; BEL 2).
80. AACE drugs for prediabetes
⢠Obesity medications, namely phentermine/topiramate ER, liraglutide 3 mg, or
weekly semaglutide 2.4 mg, in conjunction with lifestyle therapy, should be
considered in persons with prediabetes and/or metabolic syndrome with ABCD,
whether overweight (BMI 27 to 29.9 kg/m2) or with obesity (BMI âĽ30 kg/m2),
when needed to achieve and sustain 7% to 10% weight loss for prevention of T2D.
(Grade A; BEL 1)
⢠Although no medications have been approved for the treatment of prediabetes,
diabetes medications including metformin, acarbose, pioglitazone, or GLP-1 RA
can be considered in persons with prediabetes or in persons who also have ABCD
and remain glucose-intolerant following weight loss using lifestyle and/or weight-
loss medications. (Grade A; BEL 1)
81.
82. ⢠Monitor for the development of type
2 diabetes in those with prediabetes
at least annually; modify based on
individual risk/benefit assessment. E
⢠Refer adults with overweight/obesity
at high risk of type 2 diabetes, as
typified by the DPP, to an intensive
lifestyle behavior change program to
achieve and maintain a weight
reduction of at least 7% of initial
body weight through healthy
reduced-calorie diet and âĽ150
min/week of moderate intensity
physical activity. A
⢠A variety of eating patterns can be
considered to prevent diabetes in
individuals with prediabetes. B
82
83. ⢠Prediabetes is associated with heightened
cardiovascular risk; therefore, screening for
and treatment of modifiable risk factors for
cardiovascular disease are suggested. B
⢠Statin therapy may increase the risk of type
2 diabetes in people at high risk of
developing type 2 diabetes. In such
individuals, glucose status should be
monitored regularly, and diabetes
prevention approaches reinforced. It is not
recommended that statins be discontinued.
B
⢠In people with a history of stroke and
evidence of insulin resistance and
prediabetes, pioglitazone may be
considered to lower the risk of stroke or
myocardial infarction. However, this benefit
needs to be balanced with the increased
risk of weight gain, edema, and fracture. A
Lower doses may mitigate the risk of
85. Diabetes
Prevention
Bottom-line
should actively treat people with prediabetes
= delay diabetes + delay complications
DPP intensive lifestyle
DPP metformin
Consider medication to treat ABCD +
prediabetes
Pioglitazone has its position in diabetes
prevention
It has traditionally been thought that type 2 diabetes is a direct risk factor for atherosclerosis and cardiovascular disease. However, there is growing evidence that both type 2 diabetes and cardiovascular disease spring from a âcommon soilâ of metabolic antecedents, including impaired glucose tolerance, hypertension, dyslipidemia, and abdominal obesity (4â6) (see Fig. 1 ). The clustering of these cardiovascular risk factors results from an underlying insulin resistance syndrome, also known as metabolic syndrome or Syndrome X, that precedes the onset of type 2 diabetes (6â11). Reaven (7) first summarized the insulin resistance syndrome, or Syndrome X, as resistance to insulin-stimulated glucose uptake, hyperinsulinemia, impaired glucose tolerance, hyperglycemia, hypertension, elevated triglycerides, and decreased high-density lipoprotein (HDL) cholesterol. Since this initial description, multiple components of the insulin resistance syndrome, including hyperinsulinemia, impaired glucose tolerance, general and abdominal obesity, dyslipidemia (elevated triglycerides and low HDL), hypertension, elevated small dense LDL, elevated uric acid, and abnormal clotting factors, have been found to cluster in men and women in multiple ethnic groups.
------------------
The decision to make diabetes a coronary heart disease risk equivalent is supported by a landmark study by Haffner et al. in 1998, which showed that patients with diabetes who had never experienced a myocardial infarction had a comparable risk of cardiovascular disease mortality as individuals without diabetes who had experienced an infarction.
Our data suggest that diabetic patients without previous myocardial infarction have as high a risk of myocardial infarction as nondiabetic patients with previous myocardial infarction. These data provide a rationale for treating cardiovascular risk factors in diabetic patients as aggressively as in nondiabetic patients with prior myocardial infarction.
8
Geltrude: Hereâs another option to have both US and global information
Weight reduction, as a targeted intervention, has largely been viewed as a strategy to improve glycemic control, and minimize weight-related complications. 5-15% weight loss reduction is considered by some to be a viable target for those living with T2D. While more weight loss can improve outcomes and have a disease modifying effect, weight loss in general has benefits that extend well beyond glycemic control and has been associated with an improved overall quality of life.
-------------
Weight reduction has mostly been seen as a strategy to improve glycaemic management and reduce the risk for weight-related complications.
It was recently suggested that weight loss of 5-15% should be a primary target in management for many people living with type 2 diabetes.
A higher magnitude of weight loss confers better outcomes, and a 5-10% loss confers metabolic improvement, and a loss of 10-15% or more of body weight can have a disease-modifying effect, and lead to remission of diabetes.
Weight loss may exert benefits that extend beyond glycaemic management to improve risk factors for cardiometabolic disease and quality of life.
I will now hand it off to Dr. RossingâŚ..
The tools available to prevent and treat diabetes are vastly improved However, implementation of effective innovation has lagged behind and requires fundamental changes in health care policy and societal approaches to wellness
Our understanding of the basic mechanisms of diabetes, the development of complications, and the treatment of both, though continuously advancing, has highlighted how much we do not know
Current therapy of overweight/obesity is clearly inadequate
Lifestyle management and diabetes self-management education and support is of clear benefit, yet current paradigms on how to apply the broad approaches need to be better targeted and individualized
Preserving and enhancing beta-cell function is perceived as the holy grail of diabetes and yet effective techniques are inadequately developed
The promise of personalized medicine and âomics approaches addressing both personal and environmental factors and their interaction is largely unrealized in diabetes care and will require large investments and coordination to reach application in the form of enhanced biomarkers and tailored treatments
There is a gap between what we know from trial data and what happens in clinical practice We need better devised trials which include measures of patient preference and patient-recorded outcome measures Better application of âreal-world evidenceâ to complement traditional RCT evidence is needed to impact patient outcomes
People with type 2 diabetes can achieve âremissionâ by sustaining normal blood glucose levels for at least three months without taking diabetes medication.
HbA1c (average blood glucose) level of less than 6.5% at least three months after stopping diabetes medication as the usual diagnostic criterion for diabetes remission
John B. Buse formerly held the position of President, Medicine & Science on the board of the American Diabetes Association during 2008. Buse currently serves as the Director of the Diabetes Care Center at UNC
4 major diabetes journals published consensus-based remission definitions, authored by representatives from the American Diabetes Association, the European Association for the Study of Diabetes, Diabetes UK, the Endocrine Society and the Diabetes Surgery Summit
A1C <6.5% without use of antihyperglycemic medications for at least the 3 prior months.
The term âremissionâ is commonly used in oncology to describe the non-detection of cancer after treatment. Inherent in the concept of cancer remission is that recurrence may develop as risk remains. ----------------------
We learnt this word âremissionâ from oncology, nephrology & rheumatology
They consider non detection of the original disease as remission
But still there are is a risk of recurrence âexacerbationâ
We need to closely follow them
Same apply for diabetes remission
It emphasises the future possibility of relapse even after a prolonged period of normoglycaemia and ensures continuous surveillance for relapse and for occurrence of diabetes complications.
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Some people want to use the word reversal, but then when you use reversal, does this really give us the true nature of what happens in people with diabetes? And some people thought itâs a cure, but did we really cure diabetes? So they needed to come up with a term that made clinical sense, that is closer to reality and closer to what actually happens in our bodies.
The word âremissionâ was favored over âreversalâ or âregressionâ to signify the potentially temporary nature of glucose improvement, which may or may not impact the long-term deterioration of beta cells.
And remission does a really good job of conveying, similar to cancer, it means you donât have cancer right now, but it could come back. Versus cure implies youâre never going to deal with this again.
Absolutely. Because the word cure was tricky because some people, for example, who had surgery, bariatric surgery to lose weight. They would say cure, but weâve seen in some studies that not everyone has a durable effect. Many donât years down the line. So remission is, I think, a more appropriate term. And thatâs why this group gave us this consensus statement.
The consensus was to categorize remission of type 2 diabetes based on the achieved A1C level: remission to prediabetes (A1C between 6.0% and 6.4%) and remission to normal glucose concentrations (A1C <6.0%).
Both remission subclasses require that an individual in remission not be taking any antihyperglycemic medications for a minimum of 3 months. If, after achieving remission with either definition, the A1C subsequently rises above the specified threshold of 6.4%, the individual with remission would be considered to have relapsed with type 2 diabetes.
Furthermore, if antihyperglycemic agents are added back or continued, even if prescribed only for the purpose of cardiovascular and/or renal protection and/or weight control, the individualâs type 2 diabetes would not be considered as being in remission, but would be considered as pharmacologically-managed diabetes, regardless of A1C.
Primary criterion: Meeting A1C thresholds, as listed above.
If the primary criterion for defining remission cannot be used (e.g. unreliable value), secondary criteria may include: Meeting FPG thresholds on 2 separate occasions (FPG â¤110 mg/dL for remission to normal glucose levels or 110 to 125 mg/dL for remission to prediabetes) or Meeting both OGTT thresholds (both FPG [as above] and 2hPG ⤠140 mg/dL for remission to normal glucose levels or 141 to 199 mg/dL for remission to prediabetes)
Following a thorough discussion outlining the concept of remission and its limitations, a therapeutic goal of diabetes remission may be considered for individuals with type 2 diabetes who are interested in attempting remission; do not have significant eating or mental health disorders; do not have a compelling indication for antihyperglycemic agent(s) for renal or cardiovascular benefit; and meet the specified criteria outlined in the intervention-based recommendations #4, #5 and #6, to eliminate the need for antihyperglycemic therapy [Grade D, Consensus].
The approach to deprescribing antihyperglycemic agents should be individualized and incorporate the principles of minimizing the risk for hypoglycemia and avoiding medications with potential for weight gain/regain [Grade D, Consensus].
diagnosed with diabetes for a shorter time (6 years or less â this exact duration being based on specific clinical trial data; I would suggest that clinicians do not necessarily need to consider this as a hard cutoff)
with overweight or obesity, who are âable or inclinedâ to lose weight
with blood sugars that are not that elevated
who do not take insulin (as the need for insulin may indicate a more tired pancreas)
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Stopping certain glucose-lowering medication(s) with proven benefits on reducing heart and/or kidney disease complications may not be recommended for individuals with type 2 diabetes who have a history of cardiovascular disease and/or kidney disease.
Your health-care professional or diabetes care team can help you determine if type 2 diabetes remission is appropriate for you. If so, they can help you select the best therapeutic option among the available strategies to give you the best chance of remission, and make appropriate referrals.
early type 2 diabetes (6 years or less) with overweight or obesity, who are âable or inclinedâ to lose weight
without significant eating disorders or mental health disorders (reason: these were often exclusions from the referenced studies, presumably because these issues can present challenges in adhering to strategies to achieve diabetes remission long term. I would suggest that this should be interpreted/assessed very carefully and perhaps should not be categorical.)
without cardiovascular disease, heart failure, or chronic kidney disease (because GLP1 receptor agonists and/or SGLT2 inhibitors should be continued even if sugars are normal, for heart and kidney protection)
In terms of A1C testing frequency for initially determining remission, whether for an individual with established type 2 diabetes stopping glucose-lowering medication(s) or after a new diagnosis of type 2 diabetes, we recommend lab evaluation (A1C or, if A1C unreliable, FPG or OGTT) at 3 and 6 months.
If, at 6 months, remission criteria have not been met, reinitiation of antihyperglycemic agents should be considered.
If remission criteria are met, subsequent A1C testing to monitor for persistence of remission or relapse status should be performed at least every 6 months.
Surgical interventions considered all interventions that included a surgery, whether or not they also involved behavioural interventions or pharmacological agents.
Pharmacological interventions were classified as those which added 1 or more pharmacological agents to achieve remission, whether or not they also involved behavioural interventions.
Health behavioural interventions were those that attempted to change diet and/or physical activity or other health-related behaviours, but that did not include the addition of new pharmacological agents or surgery.
Digital technology interventions covered a subset of health behavioural interventions where platforms and tools, such as smartphones/watches, mobile and web/digital applications, glucose-sensing and related technologies, etc., were the central instruments used to achieve diabetes remission, but that did not include new pharmacological agents or surgery.
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The Guidelines recommend three options to potentially induce type 2 diabetes remission:
bariatric surgery (for people with BMI âĽ35)
low calorie diets (800-850 cal/day) with meal replacement products for 3-5 months aimed at achieving >15kg (33lb) weight loss, followed by a structured food reintroduction program and increased physical activity (for people with BMI 27-45)
exercise training (240-420 min/week) with a calorie restricted diet (for people with BMI >25, and with a lower level of evidence for this option)
The STAMPEDE (Surgical Therapy and Medications Potentially Eradicate Diabetes Efficiently) trial showed that metabolic surgery, when compared with intensive medical therapy (lifestyle counseling, weight management, self-monitoring of glucose, drug therapy), significantly improved outcomes for weight loss, DM remission, glycemic control, need for DM medications, lipid and BP medications, and QoL
Low-calorie (800 to 850 kcal/day) diets with meal replacement products for 3 to 5 months aimed at achieving >15 kg body weight loss, followed by structured food reintroduction and increased physical activity for weight loss maintenance, should be recommended as an option to potentially induce type 2 diabetes remission to selected nonpregnant adults with a BMI between 27 and 45 kg/m2; type 2 diabetes duration <6 years, A1C <12% and not using insulin [Grade A, Level 1A].
Exercise training (aiming for 240 to 420 min/week of structured physical activity spread over 5 days per week) combined with a calorie-restricted diet to promote modest weight loss (5% to 7% of initial body weight), may be recommended as an option to potentially induce type 2 diabetes remission to selected nonpregnant adults with a BMI >25 kg/m2, type 2 diabetes duration <10 years, A1C <9% and not using insulin [Grade C, Level 2]
The Look AHEAD and DiRECT studies attest to the powerful benefits of lifestyle interventions and weight loss in persons with T2D and ABCD. These composite data indicate that weight loss should be a primary treatment modality in persons with T2D and ABCD.
The initial dietary prescription should generally be designed to produce a 500 kilocalories daily energy deficit. Very low-calorie diets and meal substitutes can be considered and have the potential for T2D remission.
In clinical trials comparing bariatric surgery vs medical treatment in persons with T2D, bariatric surgery results in greater short-term and long-term lowering of A1C, including remission of T2D in some persons.
Background
Current guidelines for the management of type 2 diabetes (T2DM) focus on pharmacological treatment to reduce blood glucose and the associated elevated CV risk. Life expectancy is, however, still markedly reduced in T2DM patients.
There are data showing that T2DM can be returned to normal glucose control by caloric restriction, but this intervention has not been tested in routine primary care.
Study Endpoints:
Weight loss âĽ15 kg
DM remission defined as HbA1c <6.5% (<48 mmol/mol) after 2 months without antidiabetic medications
The DiRECT study was an open-label, cluster-randomized trial at 49 primary care practices. Participants in the intervention group were asked to follow the Counterweight-Plus weight management program [9] and aim for achieving and maintaining at least 15 kg weight loss. A total diet replacement phase with a low energy formula diet (825-853 kcal/day; 59% carbohydrate, 13% fat, 26% protein, 2% fiber) for 3 months was used, followed by structured food reintroduction of 2-8 weeks (about 50% carbohydrate, 25% total fat, 15% protein) and an ongoing structured program with monthly visits for long-term weight loss maintenance. All oral antidiabetic drugs were discontinued on day 1 of the program, with standard protocols for reintroduction according to national guidelines. Antihypertensive drugs were withdrawn in light of the rapid BP reductions seen upon commencement of a low energy diet. At the start of food reintroduction, physical activity strategies were introduced to help participants in the intervention group to reach and maintain their individual sustainable maximum.
- At 12 months, weight loss âĽ15 kg was seen in 26 (24%) of participants in the intervention group and in no control participants (Fisherâs exact p<0¡0001).
- Diabetes remission was seen in 68 (46%) of intervention participants and in six (4%) of control participants (OR: 19.7, 95%CI: 7.8-49.8, P<0.0001).
- At 12 months, 74% in the intervention group were taking no antidiabetic medication, compared with 18% of controls, and in the latter group 5% commenced antidiabetic medication.
- The intervention group showed on average 10.0 kg weight loss and the control group 1.0 kg (adj difference: -8.8, 95%CI: -10.3 to -7.3, P<0.0001).
- Mean HbA1c reduced by -0.9% (SD: 1.4) in the intervention group, and increased with 0.1% (SD: 1.1) in the control group (adj difference: -0.85%, 95%CI: -1.10 to -0.59, P<0.0001).
T2DM of up to 6 yearsâ duration can be reversed by weight loss with help of an evidence-based structured weight management program delivered in a community setting, by routine primary care staff.
Almost a quarter of participants who followed the intervention achieved at least 15 kg of weight loss at 12 months.
Almost half of patients in the intervention group showed remission of diabetes and were off antidiabetic medication.
Was 46% in 12-month Direct trial
Durable remission of short duration T2DM is attainable in a Primary Care setting
Let your patients know that if they lose enough weight, particularly during the early phases of type 2 diabetes, they will significantly lower their blood glucose, have less risk for diabetes complications, and may be able to achieve remission.
Substantial weight loss is associated with reduced liver and pancreatic fat, and with restoration of pancreatic morphology and β-cell insulin secretory capacity = glycemic benefits of loosing weight
Remission is a journey, not a destination, and authors very appropriately caution against a âsuccess/failureâ approach to diabetes remission. There is potential negative mental health impact to a person who doesnât achieve or sustain diabetes remission, as they may feel as though they have failed. Remember: people who improve their sugars and/or weight but donât get to diabetes remission are still achieving important health improvements, and this too is a success!
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Remission may not be a reality for many people with type 2 diabetes.
Weight loss is not feasible or achievable for many people with lifestyle therapy.
Genetically if youâre at risk, you remain at risk.
you have to have long-term follow-up and you still have to see your healthcare team
There are patients who will never achieve this.
We are treating diabetes to classic targets including âremissionâ not only to remit them
If you cannot achieve remission, remember, we always have to remember that a 1% reduction in A1C means a lot of reduction in complications. So do not underestimate that.
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Remission is a journey, not a destination, and authors very appropriately caution against a âsuccess/failureâ approach to diabetes remission. There is potential negative mental health impact to a person who doesnât achieve or sustain diabetes remission, as they may feel as though they have failed. Remember: people who improve their sugars and/or weight but donât get to diabetes remission are still achieving important health improvements, and this too is a success!
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In terms of A1C testing frequency for initially determining remission, whether for an individual with established type 2 diabetes stopping glucose-lowering medication(s) or after a new diagnosis of type 2 diabetes, we recommend lab evaluation (A1C or, if A1C unreliable, FPG or OGTT) at 3 and 6 months.
If, at 6 months, remission criteria have not been met, reinitiation of antihyperglycemic agents should be considered.
If remission criteria are met, subsequent A1C testing to monitor for persistence of remission or relapse status should be performed at least every 6 months.
Prediabetes is identified by the presence of impaired fasting glucose (IFG) (100 to125mg/dL),impaired glucose tolerance (IGT),which is a PG value of 140 to 199mg/dL 2 hours after ingesting 75 g of glucose, and/or A1C value between 5.7% and 6.4%. A1C should be used only for screening for prediabetes. The diagnosis of prediabetes, which may manifest as either IFG or IGT, should be confirmed with glucose testing. Grade B; BEL 2
People with type 2 diabetes can achieve âremissionâ by sustaining normal blood glucose levels for at least three months without taking diabetes medication.
HbA1c (average blood glucose) level of less than 6.5% at least three months after stopping diabetes medication as the usual diagnostic criterion for diabetes remission
Insu-00056817
[Source: Butler et al. Diabetes 2003;52(1):102-10. /p 105 Figure 2B, /p104/col 2/paragraph 3/sentences 1, 3 and 7; N value from Abstract]
Abbreviations: IFG=Impaired fasting glucose; T2D=Type 2 diabetes
Key Point:
This Mayo Clinic study showed that patients with T2D and those with borderline abnormalities (IFG) have severely reduced β-cell mass. [inferred from /p103/col 1/paragraph 4/Sentence 1 and sentence 3; p/104/col 2/paragraph 2 continued to /p105/col 1/paragraph 1; /p106/col 1/paragaraph 2/sentence 1; /p109/col 2/paragraph 3/sentence 1 and 3 ]
Reference:
Butler AE, Janson J, et al. Beta-cell deficit and increased beta-cell apoptosis in humans with type 2 diabetes. Diabetes 2003;52(1):102-10.
DPPOS Study Design
The DPPOS follow-up study started in 2002. All 3,149 surviving participants of DPP groups were eligible for the DPPOS, including those with and without diabetes. Of the 3,149 surviving participants, 2,776 (88 percent) joined the DPPOS. Similar proportions of each DPP group joined the DPPOS and remained in their original groups. There were some changes to the treatments each group received:
Lifestyle Change Group âGroup participants received quarterly group lifestyle change classes throughout the study and two group classes yearly to reinforce self-management behaviors for weight loss. Â
Metformin Group â Group participants received quarterly group lifestyle change classes throughout the study. Participants continued to take metformin and were told that they were taking metformin.
Placebo Group â Group participants received quarterly group lifestyle change classes throughout the study. Participants did not take a placebo pill.
DPPOS participants who developed diabetes remained in the study and received additional care from their own physicians if good blood glucose control could not be maintained.
a) Cumulative incidence of diabetes and (b) weight change over 15 years in the DPP/DPPOS, in metformin (blue line) and placebo (red line) groups.
Metformin therapy for the prevention of type 2 diabetes should be considered in adults at high risk of type 2 diabetes, as typified by the Diabetes Prevention Program, especially those aged 25â59 years with BMI âĽ35 kg/m2, higher fasting plasma glucose (e.g., âĽ110 mg/dL), and higher A1C (e.g., âĽ6.0%), and in individuals with prior gestational diabetes mellitus. A
In persons with prediabetes and/or metabolic syndrome or identified to be at high risk of T2D based on validated risk-staging instruments, the prevention of T2D can be addressed by lifestyle modifications that include a healthy meal plan, regular physical activity, and behavioral health practices and weight loss in persons with ABCD. The Mediterranean diet should be considered to reduce progression to T2D and risk of CVD. Low-fat, vegetarian, and DASH meal patterns can also be considered for prevention of T2D. Grade A, BEL 1
Lifestyle intervention should include aerobic and resistance physical activity in all persons with prediabetes and/or metabolic syndrome. The initial aerobic prescription may require a progressive increase in the volume and intensity of exercise, and the ultimate goal should be 150 minutes/week of moderate exercise performed during 3 to 5 sessions per week (Grade A; BEL 1). Resistance exercise should consist of single-set exercises that use the major muscle groups 2 to 3 times per week (Grade A; BEL 1). An increase in nonexercise and active leisure activity should be encouraged to reduce sedentary behavior (Grade B; BEL 2).
In persons with prediabetes and/or metabolic syndrome or identified to be at high risk of T2D based on validated risk-staging instruments, the prevention of T2D can be addressed by lifestyle modifications that include a healthy meal plan, regular physical activity, and behavioral health practices and weight loss in persons with ABCD. The Mediterranean diet should be considered to reduce progression to T2D and risk of CVD. Low-fat, vegetarian, and DASH meal patterns can also be considered for prevention of T2D. Grade A, BEL 1
Lifestyle intervention should include aerobic and resistance physical activity in all persons with prediabetes and/or metabolic syndrome. The initial aerobic prescription may require a progressive increase in the volume and intensity of exercise, and the ultimate goal should be 150 minutes/week of moderate exercise performed during 3 to 5 sessions per week (Grade A; BEL 1). Resistance exercise should consist of single-set exercises that use the major muscle groups 2 to 3 times per week (Grade A; BEL 1). An increase in nonexercise and active leisure activity should be encouraged to reduce sedentary behavior (Grade B; BEL 2).