Term
Preclinical Beta cell autoimmunity precedes the diagnosis of Type 1 by ____ years |
|
Definition
|
|
Term
is there any screening available for T1DM? |
|
Definition
|
|
Term
|
Definition
T1DM T2DM if failed other therapy women w/gestational diabetes diabetic ketoacidosis and hyperosmolar hyperglycemic state |
|
|
Term
insulin is classified according to what 3 things |
|
Definition
strength onset duration of action |
|
|
Term
all insulin in the US is producing using what? - Eli Lilly and Sanofi Aventus use what? - Novo Nordisk uses what? |
|
Definition
- recombinant DNA technology - non ds producing strain of E coli - bakers yeast |
|
|
Term
what are the 2 insulin strengths? |
|
Definition
|
|
Term
which insulin controls post prandial glucose? fasting plasma glucose? |
|
Definition
|
|
Term
Insulin requirements for individuals with type 1 diabetes and who are within 20% of ideal body weight are usually what? |
|
Definition
|
|
Term
Insulin requirements will be ______ in the presence of illness or other metabolic instability. |
|
Definition
|
|
Term
Insulin requirements will be _______during the honeymoon phase |
|
Definition
less (0.1 to 0.4 unit/kg body wt/day) |
|
|
Term
___ of the daily insulin dose should be delivered as basal insulin and ____ for prandial |
|
Definition
|
|
Term
how should the prandial insulin be divided for meals? |
|
Definition
20% Breakfast 15% Lunch 15% Supper |
|
|
Term
major complication of insulin? 3 main complications of it? |
|
Definition
hypoglycemia - Too much insulin or medication Missed meals Increased physical activity |
|
|
Term
3 rapid acting insulin examples |
|
Definition
|
|
Term
2 short acting insulin examples |
|
Definition
|
|
Term
2 intermediate acting insulin examples |
|
Definition
|
|
Term
2 long acting insulin examples |
|
Definition
|
|
Term
where should you never inject long acting insulin? |
|
Definition
|
|
Term
needles <___mm will not work in obese pts |
|
Definition
|
|
Term
what are the best sites for insulin injection? |
|
Definition
abdomen, then fat in back of arm |
|
|
Term
what range is impaired glucose tolerance? what does it have a two fold increase in risk for? 10% of patients will develop ______ complications before meeting diagnostic criteria for diabetes |
|
Definition
|
|
Term
10% of patients will develop ______ complications before meeting diagnostic criteria for diabetes |
|
Definition
|
|
Term
describe the diabetes progress (T2) |
|
Definition
insulin resistance increases and blood glucose starts to rise. it reaches its breaking point and insulin production decreases while glucose continues to rise. |
|
|
Term
fasting plasma glucose levels normal: impaired: DM: |
|
Definition
|
|
Term
A1C levels: normal increased risk of DM DM |
|
Definition
|
|
Term
how do sulfonylureas work? care must be taken to prevent what? |
|
Definition
help pancreas release more insulin, which lowers blood glucose hypoglycemia |
|
|
Term
what sulfonylurea should you make sure you get patients off of? |
|
Definition
|
|
Term
people who are allergic to what need to avoid sulfonylureas? |
|
Definition
|
|
Term
sulfonylureas stimulate the release of ____ from _____ of the ____ , especially in the onset of therapy |
|
Definition
insulin beta cells pancreas |
|
|
Term
how much do sulfonylureas lower the A1C by |
|
Definition
|
|
Term
Absorption of sulfonylureas are generally rapid, fairly complete, and unaffected by food except for short-acting ______, which is most effective when taken on an empty stomach. |
|
Definition
|
|
Term
Contraindications or Precautions to sulfonylureas in: |
|
Definition
Sulfonylurea hypersensitivity Diabetic ketoacidiosis Severe Infections Surgery, trauma, or other severe metabolic stressor Elderly and patients with hepatic insufficiency are susceptible to the hypoglycemic effects of glucose-lowering agents |
|
|
Term
what is the most serious complication to sulfonylureas? |
|
Definition
|
|
Term
what may contribute to hypoglycemia in age related pts taking sulfonylureas? |
|
Definition
renal/hepatic function decline |
|
|
Term
silfonylureas: skin rash in __% GI problems in __% |
|
Definition
|
|
Term
Hematologic changes-like thrombocytopenia when taking sulfonylureas are associated with ___ generation, but rare with ____ generation. |
|
Definition
|
|
Term
____ of all patients with Type II Diabetes mellitus respond initially to sulfonylureas |
|
Definition
|
|
Term
Factors favoring a beneficial response to sulfonylureas - Recently diagnosed ___ years - ___+ yo - Weight within ___% of ideal body weight - FBG< ____mg/dl - Never required insulin or requires less than ___ units/day |
|
Definition
|
|
Term
Sulfonylureas: Usual reduction in FBG of ___ mg/dl Usual reduction in A1c of ___% ___% of patients will experience secondary failure within ___ years |
|
Definition
|
|
Term
glyburide starting dose: max dose: metabolized: |
|
Definition
|
|
Term
glyburide starting dose max dose metabolized |
|
Definition
|
|
Term
glipizide starting dose max dose metabolized where |
|
Definition
|
|
Term
glipizide xl starting dose max dose metabolized where |
|
Definition
5 mg 20 mg slow form release |
|
|
Term
what is the only sulfonylurea metabolized in the liver? |
|
Definition
|
|
Term
glimepiride starting dose max dose metabolized |
|
Definition
|
|
Term
_____ drugs increase insulin release in response to food, keeping blood glucose from rising high after meals. MOA? |
|
Definition
meglitinides -Stimulates insulin release from the beta-cells of the pancreas |
|
|
Term
what drug acts like a sulfonylurea but is not one? |
|
Definition
meglitinides/phenylalanies |
|
|
Term
______ Targets post-meal glucose spikes by significantly reducing prandial glucose elevations Usual reduction in A1c is ____&____% when used in combination |
|
Definition
Meglitinies/Phenylalanies
1-2 2-3 |
|
|
Term
what drug is good for shift workers? |
|
Definition
Meglitinies/Phenylalanies |
|
|
Term
contraindications to Meglitinies/Phenylalanies |
|
Definition
Known hypersensitivity to the drug or its inactive ingredients Type 1 Diabetes Diabetic ketoacidosis |
|
|
Term
Nateglinide (Starlix) starting dose max dose metabolized |
|
Definition
120 mg w/meals 120 mg 3x/day liver, eliminated renally |
|
|
Term
Repaglinide (Prandin) starting dose max dose caution with? |
|
Definition
0.5-1 mg w/meals 16 mg/daily * Caution with gemfibrozil or trimethoprim potential hypoglyemia |
|
|
Term
____ lowers blood glucose primarily by reducing glucose production in the liver. |
|
Definition
|
|
Term
|
Definition
1; decreases hepatic glucose production 2: improves insulin sensitivity, decreases intestinal absorption of glucose |
|
|
Term
metformin (biguanides) is indicated in what ages? lowers A1C by? |
|
Definition
|
|
Term
Metformin given as monotherapy in the UKPDS reduced all-cause mortality in obese patients by ____ |
|
Definition
|
|
Term
____ is associated with modest favorable effect on plasma lipid levels |
|
Definition
|
|
Term
Biguanides contraindications |
|
Definition
- Patients with renal disease or impairment - Congestive heart failure requiring pharmacologic treatment - Acute or chronic metabolic acidosis - Metformin should be discontinued in individuals scheduled to receive IV radiocontrast media at the time of procedure and for 48 hours thereafter, since these agents have been associated with acute renal dysfunction |
|
|
Term
|
Definition
|
|
Term
metformin prescribing precautions |
|
Definition
- 80+ yo should not be titrated to max dose. monitor renal fxn - conditions predisposing pts to renal insuff or hypoxia - temp suspend prior to surgery - liver ds - hx of alcohol abuse |
|
|
Term
MC side effect of Biguanides. others? |
|
Definition
diarrhea GI distress, dermatologic, decrease B12 absorption, decrease folic acid absorption, blood dyscrasias, lactic acidosis |
|
|
Term
Metformin starting dose max dose metabolism? |
|
Definition
500 mg bid 2,000 mg (1,000 bid) - no metabolism. renally excreted |
|
|
Term
metformin XL starting dose max dose metabolism? |
|
Definition
500-1,000 mg QPM 2,000 mg take full dose w/evening meal or split |
|
|
Term
____is halted in the liver by metformin. excess is normally secreted via kidneys in healthy people but if kidney impairment they cannot. what can this lead to? |
|
Definition
gluconeogensis (LACTATE) - metabolic acidosis |
|
|
Term
what should you not use if you have Crohns/UC? |
|
Definition
|
|
Term
names of 2 insulin sensitizers (1 is discontinued) |
|
Definition
|
|
Term
|
Definition
- Improvement in insulin sensitivity in skeletal muscle and adipose tissue - secondary dec in hepatic glucose output |
|
|
Term
do insulin sensitizers stimulate insulin secretion? what can happen from this? |
|
Definition
NO - so it wont cause pt to become hypoglycemic |
|
|
Term
insulin sensitizers: A1C reduction ___ weeks to see dec in blood glucose what does it help improve? |
|
Definition
1.5-2.5% 2-4 weeks maintain/improve beta cell function over time |
|
|
Term
who should you not use insulin sensitizers in? |
|
Definition
pregnancy or breast feeding CHF class 3 or 4 |
|
|
Term
what further increases the risk of CHF in pts taking insulin sensitizers? |
|
Definition
combo therapy with insulin |
|
|
Term
increased incidence of what when taking insulin sensitizers? (4) |
|
Definition
CHF macular edema bone fx in females resumption of ovulation in post menopausal women |
|
|
Term
what can reverse anovulation? |
|
Definition
|
|
Term
what should you check prior to starting insulin sensitizer therapy and periodically thereafter? |
|
Definition
LFTs (dont ever start with statins bc you wont know which is impacting liver) |
|
|
Term
what drugs work in the intestine to reduce glucose absorption? |
|
Definition
alpha-glucosidase inhibitors (Acarbose, Miglitol) |
|
|
Term
what are 2 examples of alpha-glucosidase inhibitors. how much do they lower the A1C by? |
|
Definition
Acarbose, Miglitol 0.5-0.8% |
|
|
Term
what does synthetic amylin do? |
|
Definition
limits the amt of glucose released from liver slows emptying of stomach reduces amt insulin needed |
|
|
Term
when should amylin therapy be considered? (2) |
|
Definition
- failed to achieve glycemic control despite insulin - having ongoing care under HC professional skilled in use of insulin |
|
|
Term
when should amylin not be used? |
|
Definition
A1C >9% poor compliance hypoglycemia gastroparesis pediatrics pts requiring drugs that stimulate GI motility |
|
|
Term
black box warning of amylin? |
|
Definition
its used w/insulin so its associated w/risk of insulin induced SEVERE HYPOGLYCEMIA in T1DM, often 3 hrs post use **educate for when driving!!! |
|
|
Term
___ effect in diminished in T2DM pts. reduced circulation by as much as ___% |
|
Definition
|
|
Term
Up to 60% of post-prandial insulin secretion in healthy individuals is attributable to the ____ effect |
|
Definition
|
|
Term
2 examples of incretin hormones released from intestinal mucosa upon GI exposure to nutrients inducing insulin secretion |
|
Definition
|
|
Term
GIP: stimulates what? effect on gastric emptying? effect on satiety or weight? glucagon secretion relationship? |
|
Definition
Stimulates insulin response from the beta cells in glucose-dependent manner Has minimal effect on gastric emptying Has no significant effects on satiety or body weight Does not appear to inhibit glucagon secretion |
|
|
Term
GLP-1: stimulates what? gastric emptying effect? effect on food intake and body weight?*** |
|
Definition
Stimulates insulin response from the beta cells in glucose dependent manner Inhibits gastric emptying Reduces food intake and body weight Inhibits glucagon secretion from alpha cells in a glucose dependent manner |
|
|
Term
how is the response to incretins in T2DM? examples? |
|
Definition
impaired
Decreased secretion of GLP-1 Decreased response to GIP |
|
|
Term
GLP-1 and GIP therapy are limited by what? what are they rapidly degraded by? |
|
Definition
|
|
Term
overall goal with incretins is to do what? how is this done? |
|
Definition
increase GLP-1
Add GLP-1 analogues with longer half life Exenatide and Exenatide LAR (Byetta) Liraglutide (Victoza)
Block the DDP-4 to slow the enzymatic degradation of GLP-1 Sitagliptin (Januvia) Saxaglipton (Onglyza) |
|
|
Term
what are 2 GLP-1 analogues with a longer half life? |
|
Definition
|
|
Term
what 2 drugs are DDP-4 inhibitors? what do they do? |
|
Definition
Januvia, Onglyza - slow the enzymatic degradation of GLP-1 |
|
|
Term
what must used with DDP-4 to lower blood glucose in T2DM pts? |
|
Definition
|
|
Term
what can DDP-4 inhibitors be combo'd with? |
|
Definition
sulfonylurea, metformin and actos |
|
|
Term
|
Definition
increases active incretin levels increases insulin release decreases glucagon secretion |
|
|
Term
contraindications w/DPP-4s? |
|
Definition
History of serious hypersensitivity reaction to sitagliptin (Januvia). These reactions include anaphylaxis, angioedema, and exfoliative skin conditions including Stevens-Johnson syndrome. |
|
|
Term
Byetta does what? synthetic form of ______. binds to ____ but is resistant to _____ |
|
Definition
mimics GLP-1 salivary protein from Gila monster binds GLP-1 resistant to DPP-4 degradation |
|
|
Term
what GLP-1 agonist is good for grazers? why? |
|
Definition
Byetta binds and activates GLP-1 receptor which leads to: - inc insulin secretion w/meal - dec glucagon secretion - dec gastric emptying - inc satiety effect |
|
|
Term
what else do you need to write a prescription for with byetta? |
|
Definition
|
|
Term
Byetta: - peak plasma concentration in ___ - eliminated ____ - not recommended if CrCl <_____ |
|
Definition
|
|
Term
what is byetta contraindicated in? (2) precautions in? |
|
Definition
- T1DM, DKA - kids, Preg C, nursing, renal ds, severe GI ds |
|
|
Term
when should byetta never be administered? |
|
Definition
|
|
Term
what are the possible byetta doses? initial? how much can you increase it by? |
|
Definition
5 mcg or 10 mcg pen - initial: 5 mcg BID w/60 min period before AM and PM meal - increase by 10 mcg SC twice after 1 month |
|
|
Term
when do you have to adjust byetta? |
|
Definition
when its added to sulfonylurea (might reduce sulfonylurea to reduce hypoglycemic effect) [not metformin or TZD] |
|
|
Term
what are the byetta side effects like? what is a positive one? |
|
Definition
transient - N/V/D +: lose 10 lbs |
|
|
Term
in what situation would you NEVER give a pt byetta? why? |
|
Definition
pancreatitis or high triglycerides - GLP-1 agonists can mask initial signs of pancreatitis |
|
|
Term
which GLP-1 agonist has a longer half life? byetta or victoza? |
|
Definition
|
|
Term
black box warning for victoza? |
|
Definition
thyroid C cell tumors including medullary thyroid carcinoma |
|
|
Term
|
Definition
|
|
Term
|
Definition
daily, independent of meals start: 0.6 mg >1 week: 1.2 mg/day max: 1.2-1.8 mg/day |
|
|