Shared Flashcard Set

Details

Pharm 2 Final - DM
Diabetes drugs
100
Health Care
Graduate
05/02/2009

Additional Health Care Flashcards

 


 

Cards

Term
Insulin has always been classified according to what 3 things?
Definition

1. how long it works in the body, its DOA

2. How quickly it begins to work

3. How it can be administered

Term
List the rapid acting insulins.
Definition

Insulin lispro (Humalog)

Insulin Glulisine (Apidra)

Insulin Aspart (Novolog)

Term
What is the disadvantage of rapid acting insulins?
Definition

They are expensive compared to regular insulins

$$$

Term
How long does it take rapid acting insulins to start working?
Definition
10-15 minutes
Term
Rapid acting insulins peak at _________.
Definition
40-50 or 40-60 minutes
Term
Which rapid acting insulin has rapid absorption, even in obese patients?
Definition
Insulin Glulisine
Term
What is the DOA of rapid acting insulins?
Definition
3-5 or 3-6 hours
Term
What is the disadvantage of regular (short acting) insulins?
Definition
It has a longer DOA which can lead to nocturnal hypoglycemia
Term
How long does it take regular insulin to start working?
Definition
30-60 minutes
Term
When does regular insulin levels peak and how long does it work?
Definition

Peaks: 50-120 minutes

DOA: 3-8 hours

Term
What is the main advantage of regular insulin?
Definition
its low cost
Term
_____________ is a disadvantage of NPH (an intermediate insulin).
Definition
hypoglycemia
Term
What is the onset of action, peak and duration of action of NPH?
Definition

onset: 1-3 hours

peak: 8 hours

duration: 20 hours

Term
Most all insulin comes in ________ U/mL.
Definition
100
Term
Which insulins are considered long acting?
Definition

Insulin Glargine (Lantus)

Insulin Detemir (Levemir)

Term
NPH is often combined with:
Definition
rapid or short acting insulins
Term
How much insulin would you give to someone with mild to moderate ketone levels?
Definition
0.5 U/kg/day
Term
How much insulin would you give to someone with large amounts of ketones?
Definition
0.7 U/kg/day
Term
How often would you administer Insulin detemir?
Definition
BID; because of its shorter DOA (12-24hrs)
Term
Long acting insulins provide a continuous dose level which prevents __________.
Definition
hypoglycemia
Term
Which form of insulin has no peak?
Definition
Long Acting
Term
Insulin Glargine can be administered ______ a day because of its DOA is _______.
Definition
once; 24 hours
Term
Long Acting Insulin starts working in ______.
Definition
1-2 hrs
Term
What are some examples of mixed insulins?
Definition

Humulin 70/30

Humulin 50/50

Humalog 75/25

Novolin 70/30

Novolog 70/30

Term
With type 2 DM you have enough insulin to prevent _______ but not enough to prevent __________.
Definition

DKA

 

hyperglycemia

Term
When ________ can no longer compensate for the increased demand for insulin, DM2 occurs.
Definition
Beta cells
Term
____________ makes cells less sensitive to circulating insulin.
Definition
Obesity
Term
GLP-1 has _______________ effects
Definition
Anti-hyperglycemic effects
Term
What are the antihyperglycemic effects of GLP-1 (an incretin)?
Definition

- Increases insulin secretion

- Increases uptake of glucose in tissues

- Decreases glucagon secretion

- Inhibits gastric emptying and acid secretion

- Increases satiety and decreases food intake

Term
GLP-1 is metabolized by _______.
Definition
DPP-IV
Term
The deficiencies in ______ signaling contribute to the abnormal postprandial insulin secretion.
Definition
GLP-1
Term
List the insulin secretagogues.
Definition

Sulfonylureas

Meglitinides

Term
List the insulin sensitizers.
Definition

Biguanides

Thiazolidinediones (Glitazones)

Term
List the drug groups used to treat DM2.
Definition

insulin secretagogues

insulin sensitizers

Alpha glucosidase Inhibitors

Dipeptidyl Peptidase IV Inhibitors (DPP-IV)

Incretin Mimetics

Term
The max A1c lowering of monotherapy is ________, so often you need 2 agents.
Definition
0.5-2.0%
Term
Eventually, as beta cells continue to decline, ______ of patients will require insulin.
Definition
>25%
Term
Sulfonylureas stimulate ________ release from pancreatic ________ (MOA)
Definition

insulin

 

beta cells

Term
Besides stimulating insulin release, sulfonylureas also...
Definition

1. suppress hepatic gluconeogenesis

2. decrease glucagon levels

Term
Why are sulfonylureas prone to drug interactions?
Definition
because they are metabolized by P450 and are protein bound
Term
List the sulfonylureas.
Definition

1st gen: Tolazamide, Tolbutamide

2nd gen: Glyburide, Glipizide, Glimepiride

Term
Which sulfonylurea is good to use if a patient is prone to hypoglycemia?
Definition
Tolbutamide
Term
Patients on Glyburide are ________ as likely to experience ____________ than patients on Glipizide.
Definition

Twice

 

hypoglycemia

Term
Glyburide is 150xs more potent than ____________.
Definition
Tolbutamide
Term
How is Glipizide metabolized?
Definition
by the liver and kidneys
Term
Which sulfonylurea is indicated for use with insulin?
Definition
Glimepiride
Term
What are the max doses of the 2nd generation sulfonylureas?
Definition

Glyburide - 10 mg BID

Glipizide - 20 mg BID

Glimepiride - 8 mg

Term
List the AEs of sulfonylureas.
Definition

hypoglycemia

weight gain

photosensitivity

decreased alcohol tolerance

Term
List the Meglitinides.
Definition

Repaglinide

Nateglinide

Term
What slight advantage does Nateglinide have over Repaglinide?
Definition
quicker onset of action
Term
If Repaglinide is combined with ___________, severe hypoglycemia may occur.
Definition
Gemfibrozil
Term
Which drugs may inhibit the metabolism of Meglitinides?
Definition

Azoles

Erythromycin/Clarithromycin

Term
Which drugs may increase the elimination of Meglitinides?
Definition

Barbiturates

Rifampin

Carbamazepin

Term
______________ are less likely than sulfonylureas to cause fasting hypoglycemia.
Definition
Meglitinides
Term
Meglitinides are categorized as __________ glucose regulators.
Definition
postprandial
Term
Meglitinides are insulin secretagogues which means their MOA is...
Definition
to stimulate insulin secretion in response to glucose.
Term
When should Meglitinides be given?
Definition

30 minutes prior to meals

about 3xs a day

Term
Which DM2 drugs are considered "hypoglycemic" drugs?
Definition

sulfonylureas

meglitinides

Term
List of biguanides.
Definition
Metformin
Term
Metformin requires the presence of __________ to be effective.
Definition
insulin
Term
Which DM2 drugs are antihyperglycemic agents?
Definition
Biguanides and Thiazolidinediones
Term
Metformin enhances glucose ___________ and _____________ in target tissues by improving insulin receptor sensitivity; this decreases _________________ (MOA)
Definition

uptake and utilization

 

insulin resistance

Term
Besides decreasing insulin resistance, Metformin also...
Definition

1. decreases hepatic glucose production

2. may also dec. glucose absorption from the gut

Term
___________ works best in patients with hyperglycemia who have insulin resistance. (Overweight diabetics)
Definition
Metformin
Term
List the AEs of Metformin.
Definition

GI symptoms

Lactic Acidosis

Term
Which drug should you temporarily discontinue if you have to get IV radiograph contrast imaging done?
Definition
Metformin
Term
What is the max dose of Metformin?
Definition
2500 mg
Term
What is Glucovance?
Definition
a combination of Metformin and Glyburide
Term
What is Metaglip?
Definition
a combination of Metformin and Glipizide
Term
Thiazolidinedoines are also called...
Definition
Glitazones
Term
Glitazones potentiate ______________ (MOA)
Definition
Insulin activity
Term
Besides potentiating insulin activity, Glitazones also...
Definition

1. decrease peripheral resistance

2. decrease hepatic glucose production

3. decrease leptin levels

Term
Who is the ideal Glitazone patient?
Definition
DM2 patient with insulin resistance who does not respond well to other therapies
Term
List the Glitazones.
Definition

Rosiglitazone

Pioglitazone

Term
You can use Glitazones by themselves or with...
Definition
Metformin, insulin or sulfonylureas
Term
List the AEs of Glitazones.
Definition

Edema

Weight gain

mild anemia

potential liver abnormalities

Term
When using Glitazones you should monitor what?
Definition
LFTs and CBC
Term
Does Metformin cause weight gain?
Definition
No, it actually decreases appetite which may cause weight loss
Term

Alpha-Glucosidase Inhibitors competitively inhibit alpha-glucosidase enzymes in the _________________. (MOA)

 

 

Definition

Intestinal Brush border

 

 

 

Term
When should you take alpha-glucosidase inhibitors?
Definition
With the first bite of food at each meal
Term
Name the Alpha-glucosidase inhibitors.
Definition

Acarbose

Miglitol

Term
Only ____ of Acarbose is absorbed.
Definition
2%
Term
Acarbose has a rare association with _____________.
Definition
hepatotoxicity
Term
Alpha-Glucosidase inhibitors have their best effect in patients with...
Definition
mild to moderate diabetes whose diet is >50% carbs
Term
How is Miglitol absorbed?
Definition
systemically prior to its effect in the GI tract
Term
List the AEs of Alpha-glucosidase inhibitors.
Definition
GI disturbances - loose stools, flatulence and cramping
Term
List the positives of Alpha-glucosidase inhibitors.
Definition

No weight gain

No hypoglycemia

 

Term
What are alpha-glucosidase inhibitors usually combined with?
Definition

metformin

insulin

sulfonylureas

Term
Which drug is an incretin mimetic?
Definition
Exenatide -- Byetta
Term
Exenatide is approved as an adjunctive therapy in patients who are taking which drugs?
Definition

metformin

Sulfonylureas

TZDs

or a combination of these

Term
How is Exenatide administered?
Definition
By injection (a pre-filled pen device) BID
Term
Exenatide is _____________. It lowers blood sugar when levels are elevated but does not continue to lower it when levels reach normal.
Definition
self-limiting
Term
What are the 2 main ways Exenatide facilitates glucose control?
Definition

1. Increases insulin secretion in response to food

2. suppresses glucagon release in response to food

Term
List the SEs of Exenatide.
Definition
GI problems
Term
DPP-4 Inhibitors mimic may of the actions of _________.
Definition
Incretin mimetics
Term
List the DPP-4 Inhibitors.
Definition

Vildagliptin (under review)

Sitagliptin - Januvia

Term
How is Sitagliptin administered?
Definition
Once a day, PO (100mg)
Term
Sitagliptin does what?
Definition

Increases insulin release in response to meals by prolonging GLP-1 activity

 

decreases glucagon levels

Term
Sitagliptin can be used as a monotherapy drug or in combination with...
Definition

metformin

TZD

sulfonylurea

Term
List the SEs of Sitagliptin
Definition

mild GI symptoms

HA

Term
Which group of DM2 drugs is considered first line in patients who have classic diabetic dyslipidemia?
Definition
Glitazones
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