Type II Diabetes Mellitus Flashcards

1
Q

Type 2 Diabetes

-Cause
-B-cell function
-Insulin
-Body type
-OOA

A

-Lifestyle, genetic
-B cell function –
normal
-Insulin resistance
- Obesity
-Onset less rapid,
milder symptoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Classes of drugs?

A

D-I-A-G-S

  1. Insulin secretagogues
  2. Insulin sensitizers
  3. α-Glucosidase inhibitor
  4. Dipeptidyl Peptidase IV
    (DPP-IV) Inhibitor
  5. Glucagon-like peptide-1
    (GLP-1) Mimetic
  6. Sodium-glucose co-transporter 2 (SGLT2)
    inhibitors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Insulin secretagogues

  1. Insulin levels
  2. Action dependency
  3. Dosing(x2)
  4. S/E
    5.Microalbuminuria
A
  1. Insulin levels:
    ↑ basal and/or postprandial insulin levels
  2. Action
    dependency:
    Actions depend on functional β-cells
  3. Dosing(x2):
    Sulfonylureas: 1-2 times daily
    Meglitinides: 3-4 times daily
  4. S/E:
    -Weight gain,
    hypoglycaemia

5.Microalbuminuria:
Reduce microalbuminuria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sulfonylureas

  1. Generation
  2. MOA
  3. Drugs
A
  1. Generation:
    2nd generation
  2. MOA:
    ↑ insulin secretion
    ↓ hepatic clearance of insulin
    ↓ Glucagon levels
  3. Drugs:
  4. Glibenclamide
  5. Gliclazide
  6. Glipazide
  7. Glimepiride
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Sulfonylureas

  1. Metabolism
  2. Lipids
  3. Placenta
  4. Metabolites
A
  1. Metabolism:
    Metabolised in the liver
  2. Lipids:
    No effect on lipids
  3. Placenta:
    Crosses placenta
  4. Metabolites:
    Metabolites excreted by
    renal system
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Sulfonylureas:

Drugs & DOA

A
  1. Drugs & DOA:
  2. Glibenclamide-Long acting 24hrs
  3. Gliclazide-Long acting 24hrs
  4. Glipazide-Short acting 12-24hrs
  5. Glimepiride-Short acting 12-24hrs
  6. A/E
  7. DI
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Sulfonylureas
CI?

A

Significant hepatic / renal impairment – increases half-life

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Sulfonylureas A/E?

A

1.Hypoglycemia
2. Nausea & vomiting
3. Allergic skin reactions
4. Minor disulfiram-like reactions
5.Headache, 6.Cardiotoxicity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Sulfonylureas DI?

A
  1. Aspirin & Sulphonamides potentiate the effects of SUs
  2. Hepatic enzyme inducers, corticosteroids, oral
    contraceptives ↓ the effects of SUs
  3. β-blockers mask the signs of hypoglycemi
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Meglitinides

  1. Drugs
  2. Binding/MOA
  3. Combination
  4. Lipids
A
  1. Drugs:
    Repaglinide and Nateglanide
  2. Binding:
    Bind to ATP-dependent K+ channels,
    causing insulin release
  3. Combination:
    Not to be used in combination with SUs
    (↑s insulin secretion)
  4. Lipids:
    No effect on lipids
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Repaglinide
combination?

A

Can be combined with
* metformin or
* thiazolidinediones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Repaglinide S/E-5?

A

adverse effects:
1. Hypoglycemia
2. Upper respiratory tract
infections
3. Weight gain
4. Bronchitis
5. Headache

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Nateglinide MOA?

A
  1. Rapid onset of action (3x more than R)
    ↑s early phase insulin release
  2. Rapid-off action (5x more than R)
    ♦ Insulin return to pre-prandial levels 3-4 hrs
    ♦ ↓s risk of postprandial hypoglycemia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Nateglinide A/E-2?

A
  1. Nausea
  2. Diarrhea
  3. Mild hypoglycemia
  4. No increase in body weigh
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Thiazolidinediones drugs?

A
  1. Rosiglitazone (withdrawn) 2.Pioglitazone
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Thiazolidinediones

  1. Insulin
  2. Glucose
  3. Glucose uptake
  4. Therapeutic effect
  5. MOA-3
A
  1. Insulin:
    Insulin sensitizers – enhance effects of insulin
  2. Glucose:
    Decrease Glucose output in liver
  3. Glucose uptake:
    Decreases glucose uptake and increase insulin sensitivity in muscles
  4. Therapeutic effect:Therapeutic effect delayed for 4 – 12 weeks
  5. MOA:
    -Agonist at the peroxisome
    proliferator-activated
    receptor – γ (PPARγ)
    - Induces insulin gene
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Thiazolidinedione - Pioglitazone

  1. LDL levels
  2. TG/FFA levels
  3. HDL levels
  4. Hypoglycaemia
A
  1. LDL levels:
    No effect on LDL levels
  2. TG/FFA levels:
    ↓ TG and FFA levels
  3. HDL levels:
    ↑ HDL levels
  4. Hypoglycaemia:
    ↓s risk of hypoglycemia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Thiazolidinedione - Pioglitazone therapeutic uses?

A
  1. Monotherapy
  2. With Sulfonylureas
  3. With Metformin
  4. With injected insulin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Thiazolidinedione - Pioglitazone caution?

A

Caution: heart failure /
History of heart failure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Thiazolidinedione - Pioglitazone A/E-5?

A
  1. Fluid retention (oedema)
  2. Weight gain
  3. Anaemia
  4. CVD
  5. Increased risk of cardiac ischaemi
21
Q

Biguanides - Metformin

  1. Obese patients
  2. MOA
A
  1. Obese patients-Decreases body weight
  2. MOA:
    Decreases hepatic glucose production, fasting insulin + Increase glucose uptake
22
Q

Biguanides - Metformin
insulin?

A

Does not stimulate insulin secretion

23
Q

Biguanides - Metformin insulin sensitivity?

A

↑ insulin sensitivity

24
Q

Biguanides - Metformin:

  1. TG, FFA & LDL
  2. HDL levels
  3. Macrovascular
A
  1. Decreases TG, FFA & LDL
  2. Increases HDL levels
  3. Decreases risk for the development
    of macrovascular complications
25
Biguanides - Metformin uses?
In combination with SUs, meglitinide, thiazolidinediones, insulin, or α-glucosidase inhibiton
26
Biguanides - Metformin CI-4?
1. Renal Impairment & hepatic disease 2. Alcohol abuse 3. If predisposed to CV collapse, acute CHF, severe infection 4. History of lactic acidosis
27
Biguanides - Metformin A/E?
1. GI disturbances – abdominal discomfort and diarrhoea, metallic taste, mild anorexia 2. Lactic acidosis
28
α-glucosidase inhibitor - Acarbose MOA-3?
1. Inhibits the breakdown of complex CHO in small intestine 2. Delays CHO absorption 3. Inhibits glucoamylase > sucrase > maltase > dextranase
29
α-glucosidase inhibitor - Acarbose benefits?
↓s postprandial hyperglycemia (hypoglycemia – rare) * No effect on lipids or insulin levels
30
Acarbose A/E?
*GI disturbances * Dose-dependent toxicity
31
Acarbose CI-3?
1. Inflammatory bowel disease 2. GI obstruction 3.Cirrhosis
32
Acarbose combination ?
Can be combined with insulin, metformin or sulfonylureas – additive effect
33
Dipeptidyl Peptidase IV (DPP-IV) Inhibitors drugs?
1. Sitagliptin 2. Vildagliptin 3.Saxagliptin
34
Dipeptidyl Peptidase IV (DPP-IV) Inhibitors insulin?
Extend action of insulin while suppressing release of glucagon
35
Dipeptidyl Peptidase IV (DPP-IV) Inhibitors insulin combination?
Can be combined with insulin, metformin or sulfonylureas – additive effect
36
Dipeptidyl Peptidase IV (DPP-IV) Inhibitors insulin A/E?
1. Gastrointestinal discomfort 2. Peripheral 3. oedema 4. liver dysfunction
37
Dipeptidyl Peptidase IV (DPP-IV) Inhibitors caution?
Renal impairement
38
Glucagon-like peptide-1 (GLP-1) Mimetic drugs?
1. Dulaglutide 2. Exenatide 3. Liraglutide 4. Semaglutide
39
Glucagon-like peptide-1 (GLP-1) Mimetic A/E-4?
1. Hypoglycemia, 2. Nausea& vomiting 3. Rash 4. Pancreatitis
40
Glucagon-like peptide-1 (GLP-1) Mimetic CI?
1. type 1 diabetes, ketoacidosis, severe renal impairment. 2. Not for use in pregnancy
41
Glucagon-like peptide-1 (GLP-1) Mimetic admin and dosage?
Admin: Administered subcutaneously Dosage: 1. Exenatide ( 2 x daily) 2. Liraglutide ( 1 x daily) 3. Semaglutide ( 1 x weekly
42
Glucagon-like peptide-1 (GLP-1) Mimetic & weight loss?
May promote weight loss
43
Glucagon-like peptide-1 (GLP-1) Mimetic & CVS?
Cardiovascular benefits
44
Sodium-glucose co-transporter 2 (SGLT2) inhibitors drugs?
1. Dapagliflozin 2. Canagliflozin 3. Empagliflozin
45
Sodium-glucose co-transporter 2 (SGLT2) inhibitors MOA?
Competitive, selective inhibitor of SGLT-2 – preventing kidneys from reabsorbing glucose into the blood
46
Sodium-glucose co-transporter 2 (SGLT2) inhibitors CI-3?
1. Renal impairment 2. Not for use in pregnancy or lactation 3. Can be combined with metformin, pioglitazone or sitagliptin
47
Sodium-glucose co-transporter 2 (SGLT2) inhibitors A/E-2?
1. Increased risk of genital and urinary tract infections 2 Hypotension
48
Glucagon-like peptide-1 (GLP-1) Mimetic MOA?
1. Incretin mimetic 2. Exhibits GLP-1 actions 3. Insulin secretion 4.Glucagon secretion