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Glucoregulatory Drugs Ways To Control Blood Glucose In Diabetic Patients.

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Presentation on theme: "Glucoregulatory Drugs Ways To Control Blood Glucose In Diabetic Patients."— Presentation transcript:

1 Glucoregulatory Drugs Ways To Control Blood Glucose In Diabetic Patients

2 Classification Of Diabetic Patients n Type I Diabetic Patient l Insulin-Dependent Diabetes Mellitus Mellitus l Juvenile Onset Diabetes

3 Type I Diabetes Mellitus u Problem : l Loss Of Insulin Production l Development Of Hypoinsulinemia l Development Of Diabetes

4  Type II Diabetic Patient l Adult-Onset Diabetes Mellitus l Non-Insulin Dependent Diabetes Mellitus

5 n Problem : l No Functional Loss Of The Beta Cell Population l Blood Insulin Levels May Be Below Normal, Normal, or Higher Than Normal

6 l Exhibit Peripheral Tissue Resistance To Insulin l Obesity

7 Drug Choices For The Diabetic Patient u Oral Hypoglycemic Agents l The Sulfonylureas l The Biguanides l Alpha-Glucosidase Inhibitors l Others

8 u Insulin l Porcine Insulin l Bovine Insulin l Humulin

9 The Sulfonylureas l Increase The Availability Of Insulin In Type II Diabetics

10 Sulfonylureas  First Generation Drugs l Tolbutamide (Orinase) l Chlorpropamide (Diabinese) l Tolazamide (Tolinase) l Acetohexamide (Dymelor)

11  Second Generation Drugs l Glipizide (Glucotrol) l Glyburide (Micronase, Diabeta) l Glimepiride (Amaryl)

12 Sulfonylureas Mechanism Of Action l Stimulate Release Of Insulin From Pancreatic Islet Cells In Type II NIDDM Patients l Blunt The Release Of Glucagon

13 l Increase The Sensitivity of Peripheral Tissues To Insulin l Up-Regulation Of Insulin Receptors l Improve The Binding Of Insulin To Its Recptor

14 Medical Uses Of The Sulfonylureas u Used Only In Type II Diabetics l Functional Only In A Patient With A Pancreas That Is Still Making Insulin

15 Sulfonylureas u Used To Blunt Glucagon Release l Keeps Insulin To Glucagon Ratio Higher l Higher Insulin:Glucagon Ratio Favors Glucose Uptake Into Cells

16 The Overall Effect : The Overall Effect : Blood Glucose Regulation Blood Glucose RegulationEuglycemia

17 Adverse Side Effects For The Sulfonylureas l Hypoglycemia l Skin Rashes l Nausea l Vomiting

18 The Biguanides l Metformin (Glucophage) l Buformin

19 Biguanides Mechanism Of Action l Create An Environment Conducive to Keeping Blood Sugar Low

20 l Suppress Gluconeogenesis In The Liver l Inhibit The Absorption Of Glucose In The Intestine

21 l Stimulate Glycolysis l Probably Up-Regulates Insulin Receptors For Improved Clearance of Glucose

22 Medical Uses Of The Biguanides u Used Only In Conjunction With Sulfonylureas l Inhibit The Liver From Making New Glucose & Stimulates The Burning Of Endogenous Glucose

23 l Help To Deplete Blood Levels Of Glucose By Reducing Uptake Of Dietary Glucose

24 The Overall Effect : The Overall Effect : Blood Glucose Regulation Blood Glucose RegulationEuglycemia

25 Adverse Reactions For The Biguanides l Nausea l Vomiting l Anorexia l Diarrhea l Metallic Taste

26 Alpha-Glucosidase Inhibitors l Miglitol ( Glyset) l Acarbose (Precose)

27 Mechanism Of Action For AGI’s l Delay The Digestion Of Ingested Carbohydrates l Results In A Lower Postprandial Blood Glucose

28 l The Alpha-Glucosidase Inhibitors do not increase insulin receptor sensitivity and do not increase blood insulin levels in Type II diabetics.

29 Medical Uses Of AGI’s n The Alpha-Glucosidase Inhibitors are used alone or in combination with Sulfonylureas to improve blood glucose control. The net effect is euglycemia.

30 Adverse Side Effects Of AGI’s l Skin rashes l Flatulence l Diarrhea l Abdominal pain

31 Others Repaglinide (Prandin) Repaglinide (Prandin) n Troglitazone (Rezulin)

32 Repaglinide Mechanism of Action n Stimulates release of insulin n Regulates calcium channel function in the beta cell

33 Adverse Reactions l Hypoglycemia l Diarrhea l Nausea l Vomiting l Arthralgia Chest pain Chest pain

34 Medical Uses l Used to regulate blood glucose levels l Can be used in combination with Metformin (Glucophage)

35 Troglitazone l Troglitazone is a thiazolidinedione antidiabetic agent.

36 Mechanism Of Action l Improves target cell responsiveness to insulin without increasing insulin secretion - reduces peripheral resistance.

37 l Decreases liver glucose output l Helps to increase skeletal muscle, liver and adipose tissue uptake of glucose

38 Adverse Side Effects l Headache & Pain l Dizziness l Hepatotoxicity l Nausea & Vomiting l Rhinitis l Diarrhea

39 Medical Uses l Used to regulate blood glucose levels - euglycemia

40 The Insulins l To Encourage Glucose Transport Into The Cell l To Reduce The Possibility Of Hyperglycemia

41 Porcine, Bovine, Humulin l Short Acting : 2-4 Hrs l Regular, Semilente, Regular Iletin

42 l Intermediate Acting : 12-20 Hrs l NPH, Lente, Lente Iletin I l Long Acting : 24-36 Hrs l Ultralente Iletin I, Ultralente

43 Mechanism Of Action uBinding Of Insulin To Cell Receptors Causes : l Glucose Transporters To Be Made In Greater Numbers - Up Regulation l Glucose Transporters Migrate To The Cell Membrane And Bring Glucose Into The Cell

44 Medical Uses n Essential For Type I Diabetics l Must Have To Control Blood Sugar n May Be Used In Type II Diabetics l If Sulfonylureas and Biguanides Do Not Keep Blood Sugar In Control

45 Adverse Reactions Hypoglycemia l Sweating l Dizziness l Palpitations l Tremor l Hunger l Tingling In Extremities l Lightheadedness

46 l Headaches l Anxiety l Drowsiness l Slurred Speech l Irritability l Unsteady Movement l Seizures

47 l Lipodystrophy l Allergic Reactions l Shortness of Breath l Skin Rashes At Site of Injection l Whole Body Rashes l Sweating l Tachycardia l Wheezing

48 Clinical Considerations l Be Familiar With The Signs Of Hypoglycemia l Make Sure The Patient Has Not Skipped Meals l Know The Patient's Medications

49 l Make Sure The Patient Is Hydrated l Advise The Patient To Wear Medical ID Tags l Teach The Patient To Monitor Their Blood Sugar - Glucometer

50 Exercise Considerations n Type I Diabetic l Mode : Aerobic l Frequency : 7 days/week l Duration : 20-30 min/session l Intensity : 45%-85% MHR 10 - 14 RPE (Borg) 10 - 14 RPE (Borg)

51 l Type II Diabetic l Mode : Aerobic l Frequency : 5 days/week l Duration : 30-60 min/session l Intensity : 45%-70% MHR 10 - 14 RPE (Borg) 10 - 14 RPE (Borg)

52 l Blood Glucose l < 6 mmol/L ( <108 mg/dl) = Eat CHO l 6-16 mmol/L (108-288 mg/dl) = Ex. l > 16 mmol/L (>288 mg/dl) = See MD

53 Exercise Considerations l Avoid Exercising During The Peak Insulin Activity l To Avoid Hypoglycemia (Type I) l Eat a meal 1-2 hrs. before exercise

54 l Eat extra CHO during exercise if longer than 30 minutes l Measure blood glucose before, during and after exercise

55 l Inject Insulin Into Skinfold of Non- Exercising Muscle (Abdominal Wall) l Drop Insulin Levels 1-2 Units Before Exercise l Exercise With A Partner

56 l Carry Money While Exercising l Wear Good Foot Wear l Practice Scrupulous Foot Care l Inspect Calluses l Look For Red Pressure Areas l Look For Blisters & Ulcerations


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