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Management of diabetes in 
elderly 
Presenter: Dr Aditya Sarin 
Moderator: Dr Minakshi Dhar
• Globally, the estimated diabetes prevalence for 2013 is 
382 million it is expected to affect 592 million people 
by 2035. 
• The five countries with the largest numbers of people 
with diabetes are 
• China, 
• India, 
• United States (US), Brazil AND Mexico.
What is the rationale for high quality diabetes care for 
older people?
• The highly prevalent nature of diabetes in ageing 
populations is characterized by 
• complexity of illness, 
• an increased risk of medical comorbidities, 
• the early development of functional decline and risk of frailty. 
• When these are coupled with the common and widespread 
occurrence of delayed diagnosis, frequent admission to 
hospital, and clinical care systems that may be sub-optimal, 
MAKES elderly diabetes a special cohort.
Key principles underpinning 
the management
1. A holistic, individualized care plan is needed for all 
elderly diabetic 
2. It is important to adopt a proactive risk identification 
and minimization approach. 
3. A focus on patient safety, avoiding 
hospital/emergency department admissions and 
institutionalization by recognizing the deterioration 
early and maintaining quality of life.
4. Educational support should be available for families 
and caregivers. 
5. Interdisciplinary diabetes care pathways should be 
developed within the healthcare system.
• Stratification of risks common in older 
people. 
• Cost consideration and cost benefit 
analysis. 
• Level of comorbid illness and/or frailty. 
• Life expectancy including when to 
implement palliative care. 
Where 
possible, all 
therapeutic 
decisions 
should be 
based on
Functional categories of older 
people with diabetes.
Category 1: 
functionally independent 
• This category is characterized by people who are 
living independently, have no important impairments 
of activities of daily living (ADL), and who are 
receiving none or minimal caregiver support.
Category 2: 
functionally dependent 
• This category represents those individuals who, due to loss of 
function, have impairments of ADL 
• This increases the likelihood of requiring additional medical 
and social care. 
• Such individuals living in the community are at particular risk 
of admission IN HOSPITAL.
Subcategory A: Frail 
Combinations of 
Fatigue, recent weight loss, 
severe restriction in mobility 
AND strength, increased 
propensity to falls, AND 
increased risk of 
institutionalization 
Subcategory B: 
Dementia 
A degree of cognitive 
impairment that has led 
to 
• significant memory problems, 
• a degree of disorientation, or 
• a change in personality, and 
who now are unable to self-care.
Category 3: 
end of life care 
• These individuals are characterized by a significant 
medical illness or malignancy and have a life 
expectancy reduced to less than 1 year.
Assessment and evaluation 
procedures for 
older people with diabetes
Quality use of medicines and strategies to 
reduce the risk of medicine-related 
adverse events in older people.
• The proportion of people over 75 years taking 
multiple medicines is double that of 50-64 year old 
and medicine related hospital admissions are higher 
in people over 80 years. 
• Medicines that account for most adverse events are 
warfarin, oral antiplatelet agents, insulin, alone or in 
combination, and analgesics.
Consider factors that contribute to medicine related 
adverse events: 
1. Polypharmacy. 
2. Inappropriate prescribing. 
3. Presence of renal and/or liver disease. 
4. Living alone. 
5. Cognitive and functional impairment. 
6. Sensory deficits such as vision, hearing, and medicines 
self management behaviours in self-caring older people 
7. Life expectancy
• Consider the medicine burden 
• reduce polypharmacy, 
• the complexity of the dose regimen, 
• consider stopping medicines where possible and safe. 
• Use the lowest effective dose, 
• Increase doses slowly, 
• monitor the effects including adverse effects.
• Anticipate difficulties adhering to the medicine regimen 
and consider whether alternative dose forms or 
packaging are needed. 
• Use the lowest possible range of medicine classes 
• Use non-medicine options first if possible and safe
• Develop medicine management plans in consultation with 
the individual/ family/caregivers as part of the overall 
care plan. 
• Ensure appropriate, personalized medicine education is 
available for the older person/ family/caregivers and that 
healthcare professionals managing medicines are 
appropriately qualified and competent.
Screening, Diagnosis, and 
Prevention
Nutrition, Physical Activity, and 
Exercise
Concomitant diseases that increase the risk of 
malnutrition in older people with diabetes 
include: 
1. Gastroparesis. 
2. Parkinson’s disease. 
3. Psychiatric disorders and depression. 
4. Chronic obstructive pulmonary disease. 
5. Renal failure 
6. Neurological dysfunction. 
7. Dental disease.
Education, diabetes self-management, and 
self-monitoring of blood glucose.
General 
• Education should be offered to all elderly diabetic, with the 
teaching strategy and learning environment modified to suit 
the older person and/or their caregiver. 
• Education should be individualized, include goal setting 
and focus on safety, risk management, and complication 
prevention.
• Older people with newly diagnosed diabetes should 
receive ‘survival education’ initially and then on-going 
education. 
•Older people with established diabetes should receive 
regular education and review. 
• Provide simple and individualized hypoglycaemia and sick 
day management plans.
• Monitoring of blood glucose should only be 
used within a care package, accompanied by 
structured education on how the results can 
be used to 
• reinforce lifestyle change, 
• adjust therapy, or 
• alert healthcare professionals to changes.
RECOMMENDATIONS:GENERAL 
• Glycaemic control targets should be individualized 
taking into account functional status, comorbidities, 
history and risk of hypoglycaemia, and presence of 
complications. 
• Begin oral glucose lowering therapy when lifestyle 
interventions alone are unable to maintain target blood 
glucose levels. 
.
• Maintain support for lifestyle measures throughout the 
use of these medicines. 
• Discuss with the individual and principal caregiver care 
goals and medicine dose, regimen, and tablet burden before 
choosing glucose lowering agents.
• Use the “start low and go slow” principle in initiating and 
increasing medication and monitor response to each 
initiation or dose increase for up to a 3 month trial 
period. 
• Consider discontinuing ineffective and unnecessary 
therapies. 
• Consider the cost and the risk-to-benefit ratio when 
choosing a medicine
Human proinsulin and its conversion to insulin.
Diabetes and abnormalities in glucose-stimulated insulin 
secretion.
Insulin signal transduction pathway in skeletal muscle.
Cardiovascular risk
1. Smoking: Attempt should be made to encourage the 
person to stop smoking, irrespective of age. 
2. Blood pressure: The identification and control of an 
elevated blood pressure, particularly systolic blood 
pressure (SBP), had been shown, to mitigate the risk of 
CVD, especially stroke.
3. Dyslipidaemia: 
A full lipid profile should be assessed initially and then at 
clinically relevant intervals. 
The number of cardiovascular events prevented by 
instituting lipid lowering therapy in older people greater 
than in younger people
4. Renal dysfunction: 
Those with renal dysfunction, and particularly with 
albuminuria and microalbuminuria, are at significantly 
increased risk of CVD. 
The prevalence of increased urinary albumin excretion 
increases in an ageing population, often for reasons 
unrelated to diabetic nephropathy.
5. Glycaemic control 
• It is considered to be less important as a risk factor in 
the older age group. 
• Improved glycaemic control appears to have minimal 
effect on CVD in the medium term and can take up to 20 
years to show a significant reduction n coronary artery 
disease outcomes.
6. Depression 
• is much more common in people with diabetes than in 
their age-matched counterparts . 
• Identification of depression with the use of a short 
screening tool may be useful in identifying these 
individuals.
7. Peripheral arterial disease: 
• The ankle-brachial index (ABI) is a simple way of 
detecting atherosclerotic disease and is a reliable 
marker of peripheral arterial disease. 
• A low ABI predicts of angina, myocardial infarction, 
congestive heart failure, and stroke, even in an older 
population.
8. Obstructive sleep apnoea 
• is associated with a 70% relative increased risk of CVD 
morbidity and mortality. 
9. Periodontitis 
• is an emerging risk factor for CVD. Careful dental 
examination, should be considered as part of CVD risk 
assessment and protection.
10. Obesity 
• is considered a risk factor for CVD in young to 
middle aged individuals and has been linked to 
both morbidity and mortality. 
• However, this may not be the case in older 
people, where increased weight may in fact prove 
protective.
11. Socio-economic status: 
Low socio-economic status in older people who are 
isolated or disconnected from others, increase risk 
of death from CVD.
BLOOD PRESSURE MANAGEMENT 
In Elderly diabetic
RECOMMENDATIONS: GENERAL 
The diagnosis of hypertension (HTN) should be based on at 
least three different B. P. measurements, taken on more 
than two separate visits. 
A diagnosis of HTN is established by demonstrating a SBP ≥ 
140 mmHg and/or a diastolic blood pressure (DBP) ≥ 90 
mmHg on at least two occasions.
B.P. should be measured at every routine clinical visit, 
including standing blood pressure. 
Non-pharmacological interventions should be tried 
Pharmacological therapy should be initiated in addition 
to lifestyle interventions after 6 weeks of non-pharmacological 
therapy fails to achieve blood pressure 
targets.
Renal function and electrolytes should be monitored at the 
commencement of pharmacotherapy. 
ACE-inhibitors are the treatment of first choice for initiating 
therapy, especially in the presence of diabetic nephropathy. 
ARBs can be used as initial therapy in people who cannot 
tolerate ACE-inhibitors
Diuretics or calcium channel blockers (CCBs) can be 
used as the first add-on therapy to ACE-inhibitors and 
ARBs if they fail to achieve target blood pressure. 
Beta-blockers should be considered for combination 
therapy in people with tachycardia or coronary artery 
disease.
• Certain combinations of therapies should be avoided 
including ACE-inhibitors and ARBs, potassium-sparing 
diuretic plus either an ACE inhibitor and ARB, and beta-blocker 
plus verapamil. 
• Alpha-blockers may be helpful in older people as add-on 
therapy, especially in men with prostate enlargement.
Anti hypertensive therapy should be started at the lowest 
dose and gradually increased, depending on the blood 
pressure response, to the maximum tolerated dose. 
If the response is inadequate, a second medication from 
another class should be added, provided the initial 
medication is tolerated.
If there are adverse effects or if no therapeutic response 
has been achieved, a medication from another class 
should be substituted or a third agent from another class 
added. 
Explore possible reasons for the inadequate response 
before adding medications or increasing the dose.
CATEGORY 1: FUNCTIONALLY INDEPENDENT 
These individuals should be managed to achieve a 
target blood pressure of less than 140/90 mmHg.
CATEGORY 3: END OF LIFE CARE 
Unless the BP readings are immediately life threatening, 
strict control of BP may not be necessary. 
Non-pharmacological interventions are not usually possible 
or indicated. 
If blood pressure lowering therapy is considered necessary, 
ACE-inhibitors and ARBs remain the medicines of choice.
Management of dyslipidaemia
RECOMMENDATIONS: GENERAL 
Assessment of lipids is an integral part of cardiovascular 
risk assessment. 
A full lipid profile, should be assessed initially and then 
at clinically relevant intervals. 
Non-pharmacological interventions should include a 
dietary review taking into account the overall principles 
of nutrition in older people
All older people with diabetes are at high CVD risk and 
should be considered for treatment with a statin unless 
contraindicated or considered clinically inappropriate. 
Lower statin doses should be used.
• General lipid targets are as follows: 
• LDL cholesterol < 2.0 mmol/l (< 80 mg/dl), 
• triglyceride < 2.3 mmol/l (< 200 mg/dl), 
• HDL cholesterol> 1.0 mmol/l (> 39 mg/dl) 
• LDL cholesterol should be < 1.8 mmol/l (< 70 mg/dl) 
in established CVD.
CATEGORY 1: FUNCTIONALLY INDEPENDENT 
These individuals should be actively managed to 
reduce CVD risk. 
All treatment options generally apply to this 
category with statins as first-line therapy.
CATEGORY 2: FUNCTIONALLY DEPENDENT 
The principles are as for Category 1 
Non-pharmacological interventions may not be possible. 
Caregivers should be provided with sufficient knowledge 
and support to arrange the safe administration of lipid 
lowering therapy and monitor side-effects.
Sub-category A: Frail 
Statins should be used as clinically indicated, especially in 
individuals with established CVD. 
Statins should not be combined with fibrates. 
Lipid targets and frequency of lipid measurement can be 
relaxed.
SUB-CATEGORY B: DEMENTIA 
Lipid targets and frequency of lipid measurement can be 
relaxed. 
CATEGORY 3: END OF LIFE CARE 
Lipid lowering therapy is not usually necessary, and 
withdrawal of therapy may be appropriate.
INPATIENT DIABETES CARE INCLUDING 
SURGERY
 All people with diabetes admitted to hospital should 
have their diabetes clearly identified in the medical case 
records. 
ER must have clearly visible standing orders stating all 
critically ill older people must have their blood glucose 
checked.
Hospital should designate an individual in charge of 
matters relating to the inpatient care of all people with 
diabetes.
All inpatients with diabetes should have ready access to 
a multidisciplinary specialist diabetes team. 
Usual blood glucose targets are < 8.0 mmol/l (140 mg/dl) 
in the fasting state and < 10 mmol/l (180 mg/dl) after 
meals 
hypoglycaemic should be strictly avoided.
Evaluate blood glucose control, metabolic and vascular 
complications prior to planned procedures; 
Subcutaneous insulin protocols should use basal and 
supplemental bolus regimens and not “sliding scale 
insulin”.
CATEGORY 1: FUNCTIONALLY INDEPENDENT 
Access to (ICU) for life-threatening illness. 
Provide protocol-driven care to ensure detection and 
immediate control of hyperglycaemia in acute 
coronary event or stroke, normally using I.V insulin 
therapy.
CATEGORY 3: END OF LIFE CARE 
Attempt to maintain the highest quality of life available 
bearing in mind the adverse symptoms of excessive 
hyperglycaemia. 
Monitor glucose twice daily to once every 3 days 
depending on the patient’s condition and maintain 
blood glucose between 9-15 mmol/l (160-270 mg/dl).
Inpatient teams should be aware of situations 
which may result in hypo- or hyperglycaemia: 
Anorexia-cachexia syndrome and anorexia from 
chemotherapy and opiate analgesics. 
Malnourishment. 
Swallowing disorders. 
Corticosteroid therapy.
MANAGEMENT OF RENAL IMPAIRMENT
RECOMMENDATIONS:GENERAL 
Kidney function should be assessed at diagnosis 
and annually by measuring: 
 Serum creatinine and calculation of eGFR. 
 Urine test for albuminuria (albumin: creatinine ratio 
[ACR].
INDIVIDUALS WITH CKD SHOULD BE MANAGED AS 
FOLLOWS: 
• Use ACE-inhibitors or ARBs in individuals with micro- or 
macroalbuminuria. 
• Management of elevated blood pressure 
• Management of blood glucose 
• Monitor ACR, eGFR, and serum potassium. 
• Advise limiting protein intake to 1 g/kg daily if proteinuric. 
• Consider medicines which should be used with caution or 
avoided
• Agree referral criteria for specialist renal care between 
local diabetes specialists and nephrologists. 
• Referral criteria might include 
• eGFR < 30 ml/min/1.73 m2, 
• progressive deterioration of kidney function, 
• persistent proteinuria, 
• biochemical, or fluid retention problems.
CATEGORY 1: FUNCTIONALLY INDEPENDENT 
All general recommendations apply to this category 
as well as tighter blood pressure and glucose control 
targets.
CATEGORY 2: FUNCTIONALLY DEPENDENT 
The principles are as for Category 1. 
Monitoring frequency for albuminuria could be relaxed 
after the initial assessment but regular measurement of 
creatinine and potassium is essential.
Sub-category A: Frail 
• All frail older people with diabetes and CKD should have 
a nutritional assessment at baseline. 
• In the presence of a reduced GFR of < 30 ml/min/1.73 
m2, the decision to refer to a nephrologist should be 
based on individualized considerations balancing likely 
benefits and risk of harm.
SUB-CATEGORY B: DEMENTIA 
• In the presence of reasonable physical health and absence 
of clinical frailty, people with dementia should be 
considered for care as per the general recommendations. 
• Caregivers should receive appropriate education and 
training to provide care to older people with diabetes, 
CKD, and dementia.
CATEGORY 3: END OF LIFE CARE 
There should be a high threshold for starting specific 
treatment for CKD. 
Consider withdrawal of medicines in line with a 
consideration of likely clinical benefits and risks of 
therapy. 
Minimize measurement of serum creatinine and 
potassium levels.
SCREENING FOR DIABETES EYE DISEASE
CATEGORY 1: FUNCTIONALLY INDEPENDENT 
• All recommendations apply to this category
CATEGORY 2: FUNCTIONALLY DEPENDENT 
Sub category A 
• Management decision 
should consider the 
person’s physical state 
Subcategory B 
• A person with diabetes who lacks 
the mental capacity to consent to 
screening should not be 
permanently or automatically 
removed from a screening recall 
programme unless a ‘best 
interest decision to do so has 
been taken on his or her behalf’
CATEGORY 3: END OF LIFE CARE 
• Routine eye screening will not usually be warranted. 
• Ongoing treatment of known eye problems should be 
made on an individual basis after discussion between the 
person, attending physician, and caregivers.
DIABETES FOOT DISEASE
RECOMMENDATIONS:GENERAL 
• At each routine visit, visual inspection of the feet looking for 
abnormal pressure sites, infection, or ulceration. 
• At the initial visit and as part of the annual review, the examination 
should also include palpation of foot pulses and assessment for 
neuropathy 
• If there are s/s of ischaemia, a Doppler-measured ankle-brachial 
pressure measurement should be performed.
CLASSIFY THE RISK OF AN ULCER OR AMPUTATION 
ACCORDING TO THE FOOT ASSESSMENT BASED ON THE 
CLINICAL HISTORY AND EXAMINATION DESCRIBED 
ABOVE: 
• No added risk: no risk factors and no previous history of a 
foot ulcer or amputation. 
• At risk: one risk factor and no previous history of a foot 
ulcer or amputation. 
• High risk: two or more risk factors or a previous ulcer or 
amputation (very high risk).
A FOOT CARE PLAN SHOULD BE DEVELOPED ON THE 
BASIS OF THE RISK CLASSIFICATION LEVEL: 
• No added risk: provide foot care education and review annually. 
• At risk: arrange a regular review, approximately 6 monthly, 
• High risk: arrange frequent reviews every 3-6 months, and at each 
review inspect both feet, evaluate footwear, consider the need for 
a vascular assessment and ensure the appropriate provision of 
intensified foot care education.
PEOPLE WITH FOOT ULCERATION AND INFECTION 
REQUIRE THE FOLLOWING MANAGEMENT: 
• Referral within 24 hours for relevant wound 
management 
• Radiographs 
• A biopsy should be considered when ulcers appear at 
an atypical location.
• Control of infection. Infections should be classified 
as 
• mild, 
• moderate, 
• severe. 
• Reduction of weight bearing and possible mechanical off-loading 
by cast walkers, shoe modifications, and 
orthotics.
• Investigation and treatment for vascular insufficiency. 
• Optimal blood glucose control. 
• Individualized discussion of prevention of recurrence 
when ulcer has healed, including specialist footwear and 
orthotic care (e.g. insoles).
• REVASCULARIZATION SHOULD BE CONSIDERED: 
• When a major amputation is being considered in a person with 
persistent ischaemic rest pain. 
• If a wound has a low probability of healing because of 
peripheral arterial disease. 
• There is the presence of a combined infection in the ischemic 
diabetic foot.
AMPUTATION SHOULD NOT BE CONSIDERED UNLESS: 
• A detailed vascular evaluation has been performed. 
• Ischaemic rest pain cannot be managed by analgesia or 
revascularization. 
• A life-threatening foot infection cannot be treated by other 
measures. 
• A non-healing ulcer is accompanied by a higher burden of disease 
than would result from amputation.
• The person with diabetes, family, and caregivers 
should be taught to inspect the feet on a daily 
basis with shoes and socks removed. 
• Advice should be given about appropriate exercise 
in people with loss of foot sensation, previous 
ulcers, and foot deformities especially the 
avoidance of excessive weight bearing exercises.
DIABETIC NEUROPATHY 
RECOMMENDATIONS
GENERAL 
• Older people with diabetes should undergo examination of 
the peripheral nerves at the initial visit and as part of the 
annual review. 
• Management of older people with peripheral neuropathy 
includes: 
• Optimizing glucose control 
• Regular foot care 
• Pain relief.
Consider the presence of 
gastroparesis if clinically indicated.
Consider the presence of neurogenic 
bladder in the presence of urinary 
retention and incontinence.
SPECIAL CONSIDERATIONS
STROKE ILLNESS:RECOMMENDATIONS 
GENERAL 
• All older people with or without diabetes 
should have their blood glucose level measured 
on admission with acute stroke.
CATEGORY 1 AND 2 : FUNCTIONALLY INDEPENDENT 
AND DEPENDENT 
• Treat hyperglycaemia to keep blood glucose levels 
between 6.0-10.0 mmol/l (110-180 mg/dl) and ensure 
that hypoglycaemia is avoided. 
• Management of lifestyle, dyslipidaemia, blood 
pressure, and blood glucose should be done.
CATEGORY 3: END OF LIFE CARE 
• Treat hyperglycaemia to keep blood glucose levels 
between 6.0-15.0 mmol/l (110-270 mg/dl) and ensure 
that hypoglycaemia is avoided.
DEPRESSIVE ILLNESS: 
RECOMMENDATIONS-GENERAL 
• Screening for and monitoring of depressive 
symptoms should be a part of the annual review. 
• Involvement of the family is essential to enhance 
socialization, communication, and support. 
• Selective serotonin reuptake inhibitors should be 
considered as first line treatment of depressive 
illness.
• The coexistence of depression with diabetes exerts a 
negative synergistic effect on the course of diabetes and 
contributes to poor compliance with medicine and diet, 
physical inactivity, poor glycaemic control, disability, and 
reduced quality of life. 
• It also independently increases all-cause and 
cardiovascular mortality.
• Treatment of depression with antidepressants or psychotherapy 
improves mood and function. 
• Regular exercise or walking programmes have been shown to 
improve mood and hyperglycaemia. 
• Avoidance of hypoglycaemia is important as its impact in the 
elderly is greater than in younger people. 
• It can lead to increased fear, anxiety, and social isolation 
contributing to depressive symptoms.
NOW TO SUMMARISE
Diabetes and abnormalities in glucose-stimulated insulin 
secretion.
Insulin signal transduction pathway in skeletal muscle.
ANTIDIABETIC AGENTS FOR TYPE 2 DM 
Class Oral agents 
Biguanide Metformin 
Sulfonylurea Glimepiride, glipizide, glyburide, 1st-gen. Su’s 
Thiazolidinedione Pioglitazone, rosiglitazone 
Non-SU secretagogue Repaglinide, nateglinide 
A-glucosidase inhibitor Acarbose, miglitol 
DPPIV inhibitor Sitagliptin, saxagliptin 
Others Bromocriptine, colesevelam 
Combinations Metformin/glyburide, glipizide/metformin, 
pioglitazone/glimeperide, sitagliptin/metformin 
Injection 
Incretin mimetic Exenatide, liraglutide 
Insulin NPH, reg, 70/30, aspart, lispro, glulisine, glargine, 
detemir, pens, pumps 
Amylin analog Pramlintide
Position Statement of the ADA & EASD. DIABETES CARE. 2012
METFORMIN 
• Generally first choice medication 
• Reduces hepatic glucose output 
• Effective in many studies 
• Mild weight loss 
• Reduce GI ADE’s by starting low dose 
• Low risk of hypoglycemia as monotherapy
METFORMIN 
• High rate of GI adverse effects 
• Mild weight loss 
• Lactic acidosis 
• Rare (1/40,000) and usually associated with another risk 
factor 
• Contraindications: 
• Renal disease 
• Hepatic disease 
• Hypoxic or acidotic conditions
SULFONYL-UREAS 
• Increase insulin secretion from beta-cells 
• glipizide, glimeperide 
• Efficacy in multiple studies
SULFONYL-UREAS 
• 2nd generation safer than 1st generation 
• Weight gain 
• Renal metabolism and excretion 
• Glyburide may be more associated with cardiac arrhythmia risk 
• Glipizide has shorter half-life
DPPIV INHIBITORS 
Sitagliptin, saxaglipitin 
• DPPIV normally proteolyzes GLP-1,GIP, glucagon to inactivate 
them 
• Weight neutral 
• Enhance insulin secretion 
• No long-term safety or outcome data 
• Probable additive effect with metformin
GLP-1 ANALOGS 
(EXENATIDE, LIRAGLUTIDE) 
• Incretin mimetic 
• Increases duration and levels 
• Multiple beneficial effects: 
• Weight loss 
• Decreased GI motility 
• Increased insulin secretion 
• Suppress glucagon 
• beta-cell preservation and growth 
• Suppress appetite
EXENATIDE, LIRAGLUTIDE 
• Modest improvement in glycemia 
• Weight Loss 
• Currently expensive 
• Frequent GI ADE’s 
• Benefits don’t correlate with physiological effects 
• Case reports of pancreatitis 
• No long term or outcome trials
THIAZOLIDINEDIONES 
Pioglitazone 
• Activates PPARg nuclear receptor 
• Mostly acts directly on fat and liver cells 
• Enhances insulin action everywhere 
• 3-6 weeks for glycemic effects 
• Best results in preventive trials 
• Longest duration of oral monotherapy in early diabetes 
• Purported “pleiotrophic” benefits 
• Low risk of hypoglycemia as monotherapy
THIAZOLIDINEDIONES 
ADE’s : 
• Edema 
• Macular edema 
• CHF 
New concerns: 
• Weight Gain 
• Hepatotoxicity 
• Decreased bone density 
• Variable lipid effects 
Mild ↑LDL, Idiosyncratic ↑TG 
• increased CAD risk with rosiglitazone 
• increased Bladder Cancer risk with pioglitazone
SU-RECEPTOR BINDING AGENTS 
Repaglinide and Nateglinide 
• Rapid acting, bind to alternate sites of SU receptor 
• Taken before meals 
• Somewhat glucose dependent 
• Decreases hypoglycemia 
• Less renal clearance than SU 
• Still some hypoglycemia
GLUCOSIDASE INHIBITORS 
Acarbose and miglitol 
• Blocks breakdown of carbohydrates to prevent 
absorption at gut 
• GI ADE’s 
• Modest glycemic benefit 
• Take before CHO-rich meals 
• No risk of hypoglycemia as monotherapy 
• Benefit in preventive trial
TIME COURSE OF ACTION OF INSULIN 
PREPARATIONS 
Insulin Preparation 
Effective 
Duration 
of Action 
(h) 
Peak 
Action 
(h) 
Onset 
of Action 
(h) 
Short acting 
Lispro (analog) <0.25 0.5-1.5 3-4 
Aspart (analog) <0.25 0.5-1.5 3-4 
Glulisine (analog) <0.25 0.5-1.5 3-4 
Regular (soluble) 0.5-1 2-3 4-6
Insulin Preparation 
Effective 
Duration 
of Action 
(h) 
Peak 
Action 
(h) 
Onset 
of 
Action 
(h) 
Long acting 
Glargine (basal analog) 1-4 None upto 24 
Detemir (analog) 1-4 None upto 24 
NPH (isophane) 1-4 6-10 10-16
Insulin Preparation 
Effective 
Duration 
of Action 
(h) 
Peak 
Action 
(h) 
Onset 
of 
Action 
(h) 
Combinations 
• 70/30 (70% NPH,30% regular) 0.5-1 Dual 10-16 
• 50/50 (50% protamine, 
lispro, 50% lispro) <0.25 1.5 upto 10-16 
• 75/25 (50% protamine, 
lispro, 50% lispro) <0.25 1.5 upto 10-16 
• 70/30 (70% protamine 
aspart ,30% aspart) <0.25 1.5 upto 10-16
•THANKS

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Management of diabetes in elderly

  • 1. Management of diabetes in elderly Presenter: Dr Aditya Sarin Moderator: Dr Minakshi Dhar
  • 2.
  • 3. • Globally, the estimated diabetes prevalence for 2013 is 382 million it is expected to affect 592 million people by 2035. • The five countries with the largest numbers of people with diabetes are • China, • India, • United States (US), Brazil AND Mexico.
  • 4. What is the rationale for high quality diabetes care for older people?
  • 5. • The highly prevalent nature of diabetes in ageing populations is characterized by • complexity of illness, • an increased risk of medical comorbidities, • the early development of functional decline and risk of frailty. • When these are coupled with the common and widespread occurrence of delayed diagnosis, frequent admission to hospital, and clinical care systems that may be sub-optimal, MAKES elderly diabetes a special cohort.
  • 7. 1. A holistic, individualized care plan is needed for all elderly diabetic 2. It is important to adopt a proactive risk identification and minimization approach. 3. A focus on patient safety, avoiding hospital/emergency department admissions and institutionalization by recognizing the deterioration early and maintaining quality of life.
  • 8. 4. Educational support should be available for families and caregivers. 5. Interdisciplinary diabetes care pathways should be developed within the healthcare system.
  • 9. • Stratification of risks common in older people. • Cost consideration and cost benefit analysis. • Level of comorbid illness and/or frailty. • Life expectancy including when to implement palliative care. Where possible, all therapeutic decisions should be based on
  • 10. Functional categories of older people with diabetes.
  • 11. Category 1: functionally independent • This category is characterized by people who are living independently, have no important impairments of activities of daily living (ADL), and who are receiving none or minimal caregiver support.
  • 12. Category 2: functionally dependent • This category represents those individuals who, due to loss of function, have impairments of ADL • This increases the likelihood of requiring additional medical and social care. • Such individuals living in the community are at particular risk of admission IN HOSPITAL.
  • 13. Subcategory A: Frail Combinations of Fatigue, recent weight loss, severe restriction in mobility AND strength, increased propensity to falls, AND increased risk of institutionalization Subcategory B: Dementia A degree of cognitive impairment that has led to • significant memory problems, • a degree of disorientation, or • a change in personality, and who now are unable to self-care.
  • 14. Category 3: end of life care • These individuals are characterized by a significant medical illness or malignancy and have a life expectancy reduced to less than 1 year.
  • 15. Assessment and evaluation procedures for older people with diabetes
  • 16.
  • 17. Quality use of medicines and strategies to reduce the risk of medicine-related adverse events in older people.
  • 18. • The proportion of people over 75 years taking multiple medicines is double that of 50-64 year old and medicine related hospital admissions are higher in people over 80 years. • Medicines that account for most adverse events are warfarin, oral antiplatelet agents, insulin, alone or in combination, and analgesics.
  • 19. Consider factors that contribute to medicine related adverse events: 1. Polypharmacy. 2. Inappropriate prescribing. 3. Presence of renal and/or liver disease. 4. Living alone. 5. Cognitive and functional impairment. 6. Sensory deficits such as vision, hearing, and medicines self management behaviours in self-caring older people 7. Life expectancy
  • 20.
  • 21. • Consider the medicine burden • reduce polypharmacy, • the complexity of the dose regimen, • consider stopping medicines where possible and safe. • Use the lowest effective dose, • Increase doses slowly, • monitor the effects including adverse effects.
  • 22. • Anticipate difficulties adhering to the medicine regimen and consider whether alternative dose forms or packaging are needed. • Use the lowest possible range of medicine classes • Use non-medicine options first if possible and safe
  • 23. • Develop medicine management plans in consultation with the individual/ family/caregivers as part of the overall care plan. • Ensure appropriate, personalized medicine education is available for the older person/ family/caregivers and that healthcare professionals managing medicines are appropriately qualified and competent.
  • 25.
  • 26.
  • 27.
  • 29.
  • 30.
  • 31.
  • 32.
  • 33. Concomitant diseases that increase the risk of malnutrition in older people with diabetes include: 1. Gastroparesis. 2. Parkinson’s disease. 3. Psychiatric disorders and depression. 4. Chronic obstructive pulmonary disease. 5. Renal failure 6. Neurological dysfunction. 7. Dental disease.
  • 34. Education, diabetes self-management, and self-monitoring of blood glucose.
  • 35. General • Education should be offered to all elderly diabetic, with the teaching strategy and learning environment modified to suit the older person and/or their caregiver. • Education should be individualized, include goal setting and focus on safety, risk management, and complication prevention.
  • 36. • Older people with newly diagnosed diabetes should receive ‘survival education’ initially and then on-going education. •Older people with established diabetes should receive regular education and review. • Provide simple and individualized hypoglycaemia and sick day management plans.
  • 37. • Monitoring of blood glucose should only be used within a care package, accompanied by structured education on how the results can be used to • reinforce lifestyle change, • adjust therapy, or • alert healthcare professionals to changes.
  • 38.
  • 39.
  • 40.
  • 41. RECOMMENDATIONS:GENERAL • Glycaemic control targets should be individualized taking into account functional status, comorbidities, history and risk of hypoglycaemia, and presence of complications. • Begin oral glucose lowering therapy when lifestyle interventions alone are unable to maintain target blood glucose levels. .
  • 42. • Maintain support for lifestyle measures throughout the use of these medicines. • Discuss with the individual and principal caregiver care goals and medicine dose, regimen, and tablet burden before choosing glucose lowering agents.
  • 43. • Use the “start low and go slow” principle in initiating and increasing medication and monitor response to each initiation or dose increase for up to a 3 month trial period. • Consider discontinuing ineffective and unnecessary therapies. • Consider the cost and the risk-to-benefit ratio when choosing a medicine
  • 44. Human proinsulin and its conversion to insulin.
  • 45. Diabetes and abnormalities in glucose-stimulated insulin secretion.
  • 46. Insulin signal transduction pathway in skeletal muscle.
  • 47.
  • 48.
  • 49.
  • 50.
  • 51.
  • 52.
  • 54.
  • 55.
  • 56. 1. Smoking: Attempt should be made to encourage the person to stop smoking, irrespective of age. 2. Blood pressure: The identification and control of an elevated blood pressure, particularly systolic blood pressure (SBP), had been shown, to mitigate the risk of CVD, especially stroke.
  • 57. 3. Dyslipidaemia: A full lipid profile should be assessed initially and then at clinically relevant intervals. The number of cardiovascular events prevented by instituting lipid lowering therapy in older people greater than in younger people
  • 58. 4. Renal dysfunction: Those with renal dysfunction, and particularly with albuminuria and microalbuminuria, are at significantly increased risk of CVD. The prevalence of increased urinary albumin excretion increases in an ageing population, often for reasons unrelated to diabetic nephropathy.
  • 59. 5. Glycaemic control • It is considered to be less important as a risk factor in the older age group. • Improved glycaemic control appears to have minimal effect on CVD in the medium term and can take up to 20 years to show a significant reduction n coronary artery disease outcomes.
  • 60. 6. Depression • is much more common in people with diabetes than in their age-matched counterparts . • Identification of depression with the use of a short screening tool may be useful in identifying these individuals.
  • 61.
  • 62. 7. Peripheral arterial disease: • The ankle-brachial index (ABI) is a simple way of detecting atherosclerotic disease and is a reliable marker of peripheral arterial disease. • A low ABI predicts of angina, myocardial infarction, congestive heart failure, and stroke, even in an older population.
  • 63. 8. Obstructive sleep apnoea • is associated with a 70% relative increased risk of CVD morbidity and mortality. 9. Periodontitis • is an emerging risk factor for CVD. Careful dental examination, should be considered as part of CVD risk assessment and protection.
  • 64. 10. Obesity • is considered a risk factor for CVD in young to middle aged individuals and has been linked to both morbidity and mortality. • However, this may not be the case in older people, where increased weight may in fact prove protective.
  • 65. 11. Socio-economic status: Low socio-economic status in older people who are isolated or disconnected from others, increase risk of death from CVD.
  • 66. BLOOD PRESSURE MANAGEMENT In Elderly diabetic
  • 67. RECOMMENDATIONS: GENERAL The diagnosis of hypertension (HTN) should be based on at least three different B. P. measurements, taken on more than two separate visits. A diagnosis of HTN is established by demonstrating a SBP ≥ 140 mmHg and/or a diastolic blood pressure (DBP) ≥ 90 mmHg on at least two occasions.
  • 68. B.P. should be measured at every routine clinical visit, including standing blood pressure. Non-pharmacological interventions should be tried Pharmacological therapy should be initiated in addition to lifestyle interventions after 6 weeks of non-pharmacological therapy fails to achieve blood pressure targets.
  • 69. Renal function and electrolytes should be monitored at the commencement of pharmacotherapy. ACE-inhibitors are the treatment of first choice for initiating therapy, especially in the presence of diabetic nephropathy. ARBs can be used as initial therapy in people who cannot tolerate ACE-inhibitors
  • 70. Diuretics or calcium channel blockers (CCBs) can be used as the first add-on therapy to ACE-inhibitors and ARBs if they fail to achieve target blood pressure. Beta-blockers should be considered for combination therapy in people with tachycardia or coronary artery disease.
  • 71. • Certain combinations of therapies should be avoided including ACE-inhibitors and ARBs, potassium-sparing diuretic plus either an ACE inhibitor and ARB, and beta-blocker plus verapamil. • Alpha-blockers may be helpful in older people as add-on therapy, especially in men with prostate enlargement.
  • 72. Anti hypertensive therapy should be started at the lowest dose and gradually increased, depending on the blood pressure response, to the maximum tolerated dose. If the response is inadequate, a second medication from another class should be added, provided the initial medication is tolerated.
  • 73. If there are adverse effects or if no therapeutic response has been achieved, a medication from another class should be substituted or a third agent from another class added. Explore possible reasons for the inadequate response before adding medications or increasing the dose.
  • 74. CATEGORY 1: FUNCTIONALLY INDEPENDENT These individuals should be managed to achieve a target blood pressure of less than 140/90 mmHg.
  • 75.
  • 76. CATEGORY 3: END OF LIFE CARE Unless the BP readings are immediately life threatening, strict control of BP may not be necessary. Non-pharmacological interventions are not usually possible or indicated. If blood pressure lowering therapy is considered necessary, ACE-inhibitors and ARBs remain the medicines of choice.
  • 78. RECOMMENDATIONS: GENERAL Assessment of lipids is an integral part of cardiovascular risk assessment. A full lipid profile, should be assessed initially and then at clinically relevant intervals. Non-pharmacological interventions should include a dietary review taking into account the overall principles of nutrition in older people
  • 79. All older people with diabetes are at high CVD risk and should be considered for treatment with a statin unless contraindicated or considered clinically inappropriate. Lower statin doses should be used.
  • 80. • General lipid targets are as follows: • LDL cholesterol < 2.0 mmol/l (< 80 mg/dl), • triglyceride < 2.3 mmol/l (< 200 mg/dl), • HDL cholesterol> 1.0 mmol/l (> 39 mg/dl) • LDL cholesterol should be < 1.8 mmol/l (< 70 mg/dl) in established CVD.
  • 81. CATEGORY 1: FUNCTIONALLY INDEPENDENT These individuals should be actively managed to reduce CVD risk. All treatment options generally apply to this category with statins as first-line therapy.
  • 82. CATEGORY 2: FUNCTIONALLY DEPENDENT The principles are as for Category 1 Non-pharmacological interventions may not be possible. Caregivers should be provided with sufficient knowledge and support to arrange the safe administration of lipid lowering therapy and monitor side-effects.
  • 83. Sub-category A: Frail Statins should be used as clinically indicated, especially in individuals with established CVD. Statins should not be combined with fibrates. Lipid targets and frequency of lipid measurement can be relaxed.
  • 84. SUB-CATEGORY B: DEMENTIA Lipid targets and frequency of lipid measurement can be relaxed. CATEGORY 3: END OF LIFE CARE Lipid lowering therapy is not usually necessary, and withdrawal of therapy may be appropriate.
  • 85. INPATIENT DIABETES CARE INCLUDING SURGERY
  • 86.  All people with diabetes admitted to hospital should have their diabetes clearly identified in the medical case records. ER must have clearly visible standing orders stating all critically ill older people must have their blood glucose checked.
  • 87. Hospital should designate an individual in charge of matters relating to the inpatient care of all people with diabetes.
  • 88. All inpatients with diabetes should have ready access to a multidisciplinary specialist diabetes team. Usual blood glucose targets are < 8.0 mmol/l (140 mg/dl) in the fasting state and < 10 mmol/l (180 mg/dl) after meals hypoglycaemic should be strictly avoided.
  • 89. Evaluate blood glucose control, metabolic and vascular complications prior to planned procedures; Subcutaneous insulin protocols should use basal and supplemental bolus regimens and not “sliding scale insulin”.
  • 90. CATEGORY 1: FUNCTIONALLY INDEPENDENT Access to (ICU) for life-threatening illness. Provide protocol-driven care to ensure detection and immediate control of hyperglycaemia in acute coronary event or stroke, normally using I.V insulin therapy.
  • 91.
  • 92. CATEGORY 3: END OF LIFE CARE Attempt to maintain the highest quality of life available bearing in mind the adverse symptoms of excessive hyperglycaemia. Monitor glucose twice daily to once every 3 days depending on the patient’s condition and maintain blood glucose between 9-15 mmol/l (160-270 mg/dl).
  • 93. Inpatient teams should be aware of situations which may result in hypo- or hyperglycaemia: Anorexia-cachexia syndrome and anorexia from chemotherapy and opiate analgesics. Malnourishment. Swallowing disorders. Corticosteroid therapy.
  • 94. MANAGEMENT OF RENAL IMPAIRMENT
  • 95. RECOMMENDATIONS:GENERAL Kidney function should be assessed at diagnosis and annually by measuring:  Serum creatinine and calculation of eGFR.  Urine test for albuminuria (albumin: creatinine ratio [ACR].
  • 96. INDIVIDUALS WITH CKD SHOULD BE MANAGED AS FOLLOWS: • Use ACE-inhibitors or ARBs in individuals with micro- or macroalbuminuria. • Management of elevated blood pressure • Management of blood glucose • Monitor ACR, eGFR, and serum potassium. • Advise limiting protein intake to 1 g/kg daily if proteinuric. • Consider medicines which should be used with caution or avoided
  • 97. • Agree referral criteria for specialist renal care between local diabetes specialists and nephrologists. • Referral criteria might include • eGFR < 30 ml/min/1.73 m2, • progressive deterioration of kidney function, • persistent proteinuria, • biochemical, or fluid retention problems.
  • 98. CATEGORY 1: FUNCTIONALLY INDEPENDENT All general recommendations apply to this category as well as tighter blood pressure and glucose control targets.
  • 99. CATEGORY 2: FUNCTIONALLY DEPENDENT The principles are as for Category 1. Monitoring frequency for albuminuria could be relaxed after the initial assessment but regular measurement of creatinine and potassium is essential.
  • 100. Sub-category A: Frail • All frail older people with diabetes and CKD should have a nutritional assessment at baseline. • In the presence of a reduced GFR of < 30 ml/min/1.73 m2, the decision to refer to a nephrologist should be based on individualized considerations balancing likely benefits and risk of harm.
  • 101. SUB-CATEGORY B: DEMENTIA • In the presence of reasonable physical health and absence of clinical frailty, people with dementia should be considered for care as per the general recommendations. • Caregivers should receive appropriate education and training to provide care to older people with diabetes, CKD, and dementia.
  • 102. CATEGORY 3: END OF LIFE CARE There should be a high threshold for starting specific treatment for CKD. Consider withdrawal of medicines in line with a consideration of likely clinical benefits and risks of therapy. Minimize measurement of serum creatinine and potassium levels.
  • 103. SCREENING FOR DIABETES EYE DISEASE
  • 104.
  • 105. CATEGORY 1: FUNCTIONALLY INDEPENDENT • All recommendations apply to this category
  • 106. CATEGORY 2: FUNCTIONALLY DEPENDENT Sub category A • Management decision should consider the person’s physical state Subcategory B • A person with diabetes who lacks the mental capacity to consent to screening should not be permanently or automatically removed from a screening recall programme unless a ‘best interest decision to do so has been taken on his or her behalf’
  • 107. CATEGORY 3: END OF LIFE CARE • Routine eye screening will not usually be warranted. • Ongoing treatment of known eye problems should be made on an individual basis after discussion between the person, attending physician, and caregivers.
  • 109. RECOMMENDATIONS:GENERAL • At each routine visit, visual inspection of the feet looking for abnormal pressure sites, infection, or ulceration. • At the initial visit and as part of the annual review, the examination should also include palpation of foot pulses and assessment for neuropathy • If there are s/s of ischaemia, a Doppler-measured ankle-brachial pressure measurement should be performed.
  • 110. CLASSIFY THE RISK OF AN ULCER OR AMPUTATION ACCORDING TO THE FOOT ASSESSMENT BASED ON THE CLINICAL HISTORY AND EXAMINATION DESCRIBED ABOVE: • No added risk: no risk factors and no previous history of a foot ulcer or amputation. • At risk: one risk factor and no previous history of a foot ulcer or amputation. • High risk: two or more risk factors or a previous ulcer or amputation (very high risk).
  • 111. A FOOT CARE PLAN SHOULD BE DEVELOPED ON THE BASIS OF THE RISK CLASSIFICATION LEVEL: • No added risk: provide foot care education and review annually. • At risk: arrange a regular review, approximately 6 monthly, • High risk: arrange frequent reviews every 3-6 months, and at each review inspect both feet, evaluate footwear, consider the need for a vascular assessment and ensure the appropriate provision of intensified foot care education.
  • 112. PEOPLE WITH FOOT ULCERATION AND INFECTION REQUIRE THE FOLLOWING MANAGEMENT: • Referral within 24 hours for relevant wound management • Radiographs • A biopsy should be considered when ulcers appear at an atypical location.
  • 113. • Control of infection. Infections should be classified as • mild, • moderate, • severe. • Reduction of weight bearing and possible mechanical off-loading by cast walkers, shoe modifications, and orthotics.
  • 114. • Investigation and treatment for vascular insufficiency. • Optimal blood glucose control. • Individualized discussion of prevention of recurrence when ulcer has healed, including specialist footwear and orthotic care (e.g. insoles).
  • 115. • REVASCULARIZATION SHOULD BE CONSIDERED: • When a major amputation is being considered in a person with persistent ischaemic rest pain. • If a wound has a low probability of healing because of peripheral arterial disease. • There is the presence of a combined infection in the ischemic diabetic foot.
  • 116. AMPUTATION SHOULD NOT BE CONSIDERED UNLESS: • A detailed vascular evaluation has been performed. • Ischaemic rest pain cannot be managed by analgesia or revascularization. • A life-threatening foot infection cannot be treated by other measures. • A non-healing ulcer is accompanied by a higher burden of disease than would result from amputation.
  • 117. • The person with diabetes, family, and caregivers should be taught to inspect the feet on a daily basis with shoes and socks removed. • Advice should be given about appropriate exercise in people with loss of foot sensation, previous ulcers, and foot deformities especially the avoidance of excessive weight bearing exercises.
  • 119. GENERAL • Older people with diabetes should undergo examination of the peripheral nerves at the initial visit and as part of the annual review. • Management of older people with peripheral neuropathy includes: • Optimizing glucose control • Regular foot care • Pain relief.
  • 120. Consider the presence of gastroparesis if clinically indicated.
  • 121. Consider the presence of neurogenic bladder in the presence of urinary retention and incontinence.
  • 123. STROKE ILLNESS:RECOMMENDATIONS GENERAL • All older people with or without diabetes should have their blood glucose level measured on admission with acute stroke.
  • 124. CATEGORY 1 AND 2 : FUNCTIONALLY INDEPENDENT AND DEPENDENT • Treat hyperglycaemia to keep blood glucose levels between 6.0-10.0 mmol/l (110-180 mg/dl) and ensure that hypoglycaemia is avoided. • Management of lifestyle, dyslipidaemia, blood pressure, and blood glucose should be done.
  • 125. CATEGORY 3: END OF LIFE CARE • Treat hyperglycaemia to keep blood glucose levels between 6.0-15.0 mmol/l (110-270 mg/dl) and ensure that hypoglycaemia is avoided.
  • 126. DEPRESSIVE ILLNESS: RECOMMENDATIONS-GENERAL • Screening for and monitoring of depressive symptoms should be a part of the annual review. • Involvement of the family is essential to enhance socialization, communication, and support. • Selective serotonin reuptake inhibitors should be considered as first line treatment of depressive illness.
  • 127. • The coexistence of depression with diabetes exerts a negative synergistic effect on the course of diabetes and contributes to poor compliance with medicine and diet, physical inactivity, poor glycaemic control, disability, and reduced quality of life. • It also independently increases all-cause and cardiovascular mortality.
  • 128. • Treatment of depression with antidepressants or psychotherapy improves mood and function. • Regular exercise or walking programmes have been shown to improve mood and hyperglycaemia. • Avoidance of hypoglycaemia is important as its impact in the elderly is greater than in younger people. • It can lead to increased fear, anxiety, and social isolation contributing to depressive symptoms.
  • 130. Diabetes and abnormalities in glucose-stimulated insulin secretion.
  • 131. Insulin signal transduction pathway in skeletal muscle.
  • 132.
  • 133. ANTIDIABETIC AGENTS FOR TYPE 2 DM Class Oral agents Biguanide Metformin Sulfonylurea Glimepiride, glipizide, glyburide, 1st-gen. Su’s Thiazolidinedione Pioglitazone, rosiglitazone Non-SU secretagogue Repaglinide, nateglinide A-glucosidase inhibitor Acarbose, miglitol DPPIV inhibitor Sitagliptin, saxagliptin Others Bromocriptine, colesevelam Combinations Metformin/glyburide, glipizide/metformin, pioglitazone/glimeperide, sitagliptin/metformin Injection Incretin mimetic Exenatide, liraglutide Insulin NPH, reg, 70/30, aspart, lispro, glulisine, glargine, detemir, pens, pumps Amylin analog Pramlintide
  • 134.
  • 135. Position Statement of the ADA & EASD. DIABETES CARE. 2012
  • 136. METFORMIN • Generally first choice medication • Reduces hepatic glucose output • Effective in many studies • Mild weight loss • Reduce GI ADE’s by starting low dose • Low risk of hypoglycemia as monotherapy
  • 137. METFORMIN • High rate of GI adverse effects • Mild weight loss • Lactic acidosis • Rare (1/40,000) and usually associated with another risk factor • Contraindications: • Renal disease • Hepatic disease • Hypoxic or acidotic conditions
  • 138. SULFONYL-UREAS • Increase insulin secretion from beta-cells • glipizide, glimeperide • Efficacy in multiple studies
  • 139. SULFONYL-UREAS • 2nd generation safer than 1st generation • Weight gain • Renal metabolism and excretion • Glyburide may be more associated with cardiac arrhythmia risk • Glipizide has shorter half-life
  • 140. DPPIV INHIBITORS Sitagliptin, saxaglipitin • DPPIV normally proteolyzes GLP-1,GIP, glucagon to inactivate them • Weight neutral • Enhance insulin secretion • No long-term safety or outcome data • Probable additive effect with metformin
  • 141. GLP-1 ANALOGS (EXENATIDE, LIRAGLUTIDE) • Incretin mimetic • Increases duration and levels • Multiple beneficial effects: • Weight loss • Decreased GI motility • Increased insulin secretion • Suppress glucagon • beta-cell preservation and growth • Suppress appetite
  • 142. EXENATIDE, LIRAGLUTIDE • Modest improvement in glycemia • Weight Loss • Currently expensive • Frequent GI ADE’s • Benefits don’t correlate with physiological effects • Case reports of pancreatitis • No long term or outcome trials
  • 143. THIAZOLIDINEDIONES Pioglitazone • Activates PPARg nuclear receptor • Mostly acts directly on fat and liver cells • Enhances insulin action everywhere • 3-6 weeks for glycemic effects • Best results in preventive trials • Longest duration of oral monotherapy in early diabetes • Purported “pleiotrophic” benefits • Low risk of hypoglycemia as monotherapy
  • 144. THIAZOLIDINEDIONES ADE’s : • Edema • Macular edema • CHF New concerns: • Weight Gain • Hepatotoxicity • Decreased bone density • Variable lipid effects Mild ↑LDL, Idiosyncratic ↑TG • increased CAD risk with rosiglitazone • increased Bladder Cancer risk with pioglitazone
  • 145. SU-RECEPTOR BINDING AGENTS Repaglinide and Nateglinide • Rapid acting, bind to alternate sites of SU receptor • Taken before meals • Somewhat glucose dependent • Decreases hypoglycemia • Less renal clearance than SU • Still some hypoglycemia
  • 146. GLUCOSIDASE INHIBITORS Acarbose and miglitol • Blocks breakdown of carbohydrates to prevent absorption at gut • GI ADE’s • Modest glycemic benefit • Take before CHO-rich meals • No risk of hypoglycemia as monotherapy • Benefit in preventive trial
  • 147. TIME COURSE OF ACTION OF INSULIN PREPARATIONS Insulin Preparation Effective Duration of Action (h) Peak Action (h) Onset of Action (h) Short acting Lispro (analog) <0.25 0.5-1.5 3-4 Aspart (analog) <0.25 0.5-1.5 3-4 Glulisine (analog) <0.25 0.5-1.5 3-4 Regular (soluble) 0.5-1 2-3 4-6
  • 148. Insulin Preparation Effective Duration of Action (h) Peak Action (h) Onset of Action (h) Long acting Glargine (basal analog) 1-4 None upto 24 Detemir (analog) 1-4 None upto 24 NPH (isophane) 1-4 6-10 10-16
  • 149. Insulin Preparation Effective Duration of Action (h) Peak Action (h) Onset of Action (h) Combinations • 70/30 (70% NPH,30% regular) 0.5-1 Dual 10-16 • 50/50 (50% protamine, lispro, 50% lispro) <0.25 1.5 upto 10-16 • 75/25 (50% protamine, lispro, 50% lispro) <0.25 1.5 upto 10-16 • 70/30 (70% protamine aspart ,30% aspart) <0.25 1.5 upto 10-16