Endocrine Flashcards
onset 5-15 min
Rapid Acting Insulin
peak 45 min - 3 hrs
Rapid Acting Insulin
duration 3-5 hrs
Rapid Acting Insulin
onset 15-30 min
Short Acting Insulin
peak 2-4 hrs
Short Acting Insulin
duration 5-8 hrs
Short Acting Insulin
onset 1-2 hrs
Intermediate Acting Insulin
peak 4-12 hrs
Intermediate Acting Insulin
duration 18-24 hrs
Intermediate Acting Insulin
onset 1-2 hrs
Long Acting Insulin
peak 0-4 hrs (Levemir)
Long Acting Insulin
duration 24 hrs
Long Acting Insulin
onset 30 min
Intermediate Acting/ Combination Insulin
peak 30 min-12 hrs
Intermediate Acting/ Combination Insulin
duration up to 24 hrs
Intermediate Acting/ Combination Insulin
Rapid Acting Insulins
“Rapid HANs”
lispro (-H-umalog)
glulisine (-A-pidra)
aspart (-N-ovoLog)
Short Acting Insulins
“Short Regular NOVice HUMans”
Regular = Humulin R and Novolin R
Intermediate Acting Insulins
“Intermediate Not so PHast Novice Humans”
NPH = Humulin N and Novolin N
long acting insulin that does not have a peak and is NEVER MIXED with other insulins
Lantus
this type of insulin is usually given QD but can be given BID if glucose levels are difficult to control
Long Acting Insulin
Long Acting Insulins
“Long-Acting will always LANd LEVEl”
glargine (Lantus)
detemir (Levemir)
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Insulins: Humalog Mix 50/50 Humalog Mix 75/25 Novolog Mix 70/30 Humulin 70/30 Novolin 70/30
Intermediate Acting/ Combination
type of insulin most often used in pumps
rapid-acting
insulin pump absorption onset, peak, and duration
onset 30 to 60 minutes
peak 1 to 5 hours
duration up to 10 hours
Advantages of __________:
Eliminates multiple injections
Delivers greater accuracy
Improves HgA1c
Results in fewer large swings both up and down in blood glucose level
Allows the patient to exercise without having to eat large amounts of carbohydrates
Insulin Pump
Disadvantages of ___________:
Can cause weight gain
Diabetic ketoacidosis (DKA) if the catheter comes out
Can be expensive/needs insurance approval
Insulin Pump
type of insuline that has a faster peak concentration in serum and more rapid metabolism than injectables
Insulin Inhaler
start treatment with _____________ when oral agent & a GLP1-receptor agonist are unable to keep the A1C <9%.
insulin
________ is not bioavailable when given orally (broken down by stomach acids)
insulin
Complications of __________:
HYPO-glycemia
HYPO-kalemia
Lipohypertrophy (accumulation of SQ fat)
Insulin
SE of ____________:
weight gain
intense well-controlled BS may increase risk for low BS and mortality
Insulin
D2D Interactions of ___________:
Hypoglycemic agents
Hyperglycemic agents (oral steroids, sympathomimetics, thiazides)
Beta Blockers: can delay drug awareness & response to hypoglycemia by masking the stimulation of the sympathetic nervous system that hypoglycemia causes (ex. tachycardia, palpitations, shaking).
Insulin
Indications for ___________:
Type 2DM
Off-label: PCOS, GDM, antipsychotic-induced wt. gain
Type 2DM prevention
Metformin
MOA of ____________:
hepatic glucose production
🠉 insulin sensitivity in target tissues (skeletal muscles & fat) thus 🠉 glucose uptake
🠋intestinal absorption of carbohydrates
Metformin
Contraindications for ____________:
severe renal dysfunction (eGFR<30)
acute/chronic metabolic acidosis including DKA w/ or w/o coma
Hypersensitivity
Metformin
SE of \_\_\_\_\_\_\_\_\_\_\_: diarrhea flatulence N/V, metallic taste in mouth (GI-related, subside over time) HYPER-glycemia if combined with a Sulfonylurea B12 Deficiency w/ long term use
Metformin
Good things about __________:
🠋CV & microvascular complications
🠋triglycerides, free fatty acid concentrations, LDL levels 🠉HDL
May help w/ weight loss (weight neutral drug)
Metformin
Education for __________:
SE resolve but may return w/ dose adjustment
Take with meals
Metformin
Metformin is excreted by the:
kidneys
BBW for __________:
May cause Lactic Acidosis (“MET me in LA”)
Metformin
S/S of \_\_\_\_\_\_\_\_: malaise myalgias N/V severe abdominal pain respiratory distress/SOB somnolence mental status changes tachypnea tachycardia abnormal heartbeat severe loss of strength and energy severe dizziness feeling cold low BG? HA shaking confusion increased hunger sweating ---If left untreated: wheezing chest tightness fever itching, bad cough, blue skin color, seizures, or swelling of face, lips, tongue, or throat hypothermia persistent bradyarrhythmias hypotension death
Lactic Acidosis
Treatment for Lactic Acidosis caused by Metformin use
D/C Metformin and Hemodialysis
Risk Factors for \_\_\_\_\_\_\_\_\_\_\_\_: HF renal impairment ETOH abuse age >65yrs old use of contrast dye surgery hepatic impairment hypoxic states serious acute illness Hx of condition severe infection with decreased tissue perfusion
Lactic Acidosis
D2D Interactions of __________:
Tagamet: 🠉 in metformin blood levels = 🠉 risk of hypoglycemia & LA
ETOH: 🠉 risk of LA
Metformin
Sulfonylureas
Glyburide
Glipizide
Sulfonylureas:
____ Generation are safe in pregnancy
____ Generation NOT safe in pregnancy
2nd = safe 1st = NOT safe
MOA of ____________:
bind to K+ channels in B-cells
stimulate release of insulin
🠉 insulin sensitivity in target tissues (1st & 2nd Gen)
2nd Gen: greater potency + less D2D interactions
Sulfonylureas
SE of \_\_\_\_\_\_\_\_\_\_: *usually well tolerated* *loses effectiveness over time* HYPO-glycemia=most common nausea skin reaction weight gain abnormal LFTs
Sulfonylureas
Sulfonylureas are most effective in patients with __________ weight or __________ weight
normal or increased
Sulfonylureas with longer ½ lives can be dosed _______ but are higher in risk for HYPO-glycemia
daily
________ Sulfonylureas are best for the elderly due to decreased HYPO glycemia risk
Short Acting
D2D Interactions of \_\_\_\_\_\_\_\_\_\_\_: Tagamet NSAIDs ETOH Beta-adrenergic blockers: can 🠋 efficacy Sulfonamide ABX (try to avoid)
Sulfonylureas
MOA of _________:
acts on incretin system and stimulates insulin release
inhibits glucagon release resulting in a 🠋 of the BG
Glucagon-Like Peptide (GLP)-1 Receptor Agonist:
exenatide (Byetta)
Liraglutide (Victoza)
Caution: in cases of acute pancreatitis
Glucagon-Like Peptide (GLP)-1 Receptor Agonist:
exenatide (Byetta)
Liraglutide (Victoza)
BBW: possible risk of thyroid tumors, seen in animal studies
Glucagon-Like Peptide (GLP)-1 Receptor Agonist:
exenatide (Byetta)
Liraglutide (Victoza)
MOA:
lowers BS by improving insulin sensitivity w/o 🠉 insulin production by the pancreas
needs insulin to work
Thiazolidinedione (TZDs):
pioglitazone (Actos)
Contraindications: symptomatic HF or Class 3 and 4 HF
Thiazolidinedione (TZDs):
pioglitazone (Actos)
Caution: Risk for Hepatocellular Injury!
*Report abd pain, N/V, anorexia, jaundice, or dark urine. Check LFTs prior to initiation & monitor if concerned about liver disease
Thiazolidinedione (TZDs):
pioglitazone (Actos)
BBW: Heart Failure - may cause or exacerbate HF (due to fluid retention
**Educate: report ANY weight gain (rapid or not)
and any dyspnea
Thiazolidinedione (TZDs):
pioglitazone (Actos)
MOA: inhibits degradation of incretins causing:
🠉 insulin secretion
🠋 glucagon secretion
Leads to 🠋 in hepatic glucose production
Dipeptidyl Peptidase (DPP-4) Inhibitor “Gliptins”
“Incretin Enhancers”:
Saxagliptin (Onglyza)
Contraindications: Pancreatitis Hx
Dipeptidyl Peptidase (DPP-4) Inhibitor “Gliptins”
“Incretin Enhancers”:
Saxagliptin (Onglyza)
Caution: impaired renal function
Dipeptidyl Peptidase (DPP-4) Inhibitor “Gliptins”
“Incretin Enhancers”:
Saxagliptin (Onglyza)
Can 🠋 appetite and may help w/ weight loss (or weight neutral)
Dipeptidyl Peptidase (DPP-4) Inhibitor “Gliptins”
“Incretin Enhancers”:
Saxagliptin (Onglyza)
MOA: inhibits SGLT2 preventing kidneys from reabsorbing glucose
results in 🠉 urinary excretion of glucose
(newest drug available)
Sodium-glucose cotransporter 2 (SGLT2) inhibitors - gliflozins
BBW: increased risk of limb amputation (possibly due to vasoconstriction)
“Saying Goodbye To my Limbs”
Sodium-glucose cotransporter 2 (SGLT2) inhibitors - gliflozins
Rationale for _____________:
Glucose becomes glycogen, amino acids assemble into proteins, fatty acids are incorporated into triglycerides
Insulin
Rationale for \_\_\_\_\_\_\_\_\_\_\_\_\_: Lowers fasting Bgl by 20% Lowers Triglycerides, fatty acids, and LDL; Raises HDL; ↓ microvascular complications; Helps with weight regulation
Biguanides: Metformin (Glucophage)
Rationale for _____________:
Lowers BG by 20%
Best for normal or slightly overweight.
Short-acting in elderly
Sulfonyureas
Rationale for __________:
Weight neutral
Third-line therapy in patients with A1C >9%
DPP-4 Inhibitors “-gliptins”
Saxagliptin
(Onglyza)
Rationale for ___________:
Redistributes fat from visceral to SubQ; visceral fat is associated with insulin resistance
Thiazo-lidinediones “-glitazones”
Pioglitazone (Actos)
Rosiglitazone (Avandia)
Safety for __________:
Liver damage is reversible if stopped.
Newer meds have lower incidence
Thiazo-lidinediones “-glitazones”
Pioglitazone (Actos)
Rosiglitazone (Avandia)
MOA: Stimulate pancreas to release insulin from beta cells
- often used with Metformin
- Weight neutral/possible gain
- 3rd line med
Meglitinides:
Repaglinide (Prandin)
Rationale for_____________:
Good for erratic meal schedules, patient w/ normal fasting BG and high postprandial (after meal) BG
Meglitinides:
Repaglinide (Prandin)
Safety: Rapid onset and short half-life
Low risk of hypoglycemia
Meglitinides:
Repaglinide (Prandin)
SE: bloating, abdominal cramps, diarrhea, gas
Meglitinides:
Repaglinide (Prandin)
MOA: Inhibit alpha-glucosidase which converts dietary starch and carbs into simple sugars
Causes a decrease in intestinal secretion of glucose
Alpha-Glucosidase Inhibitors:
Acarbose (Precose)
Miglitol (Glyset)
Rationale:
Slows absorption of glucose after meals
Works in the gut so little risk of hypoglycemia
**Rarely used due to intolerable S/E
Alpha-Glucosidase Inhibitors:
Acarbose (Precose)
Miglitol (Glyset)
Safety: Take with first bite of meal TID to decrease postprandial BG
Alpha-Glucosidase Inhibitors:
Acarbose (Precose)
Miglitol (Glyset)
Education:
Better tolerated if client also decreases sugar intake
May cause gas and diarrhea
Alpha-Glucosidase Inhibitors:
Acarbose (Precose)
Miglitol (Glyset)
Drugs not often used for DM due to _________________________________:
Bile acid sequestrant colesevelam (Welchol)
Dopamine Agonists bromocriptine (Cycloset)
SE and lack of efficacy
MOA: Mimic hormones that help regulate BG
Stimulates GLP-a receptors which stimulate insulin release-
Inhibiting postprandial glucagon release
Slows gastric emptying
GLP-1 Agonists/ Incretin Mimetics
Exenatide (Byetta)
Liraglutide (Victoza)
SE: nausea, hypoglycemia, and possible weight loss
GLP-1 Agonists/ Incretin Mimetics
Exenatide (Byetta)
Liraglutide (Victoza)
MOA: Slows gastric emptying leading to feeling of early satiety
Decreases postprandial glucagon secretion
Amylin Analog:
Pramlintide (Symlin)
Rationale for ____________:
Non-injectable hypoglycemic agent
Used as adjunct to insulin
Amylin Analog:
Pramlintide (Symlin)
Safety: Can cause hypoglycemia, weight loss, and nausea
Amylin Analog:
Pramlintide (Symlin)
Education: May promote weight loss
**3rd line therapy due to lack of efficacy in lowering BG
Amylin Analog:
Pramlintide (Symlin)
Rationale:
Slows absorption of glucose after meals
Works in the gut so little risk of hypoglycemia
**Rarely used due to intolerable S/E
Alpha-Glucosidase Inhibitors:
Acarbose (Precose)
Miglitol (Glyset)
Safety: Take with first bite of meal TID to decrease postprandial BG
Alpha-Glucosidase Inhibitors:
Acarbose (Precose)
Miglitol (Glyset)
Education:
Better tolerated if client also decreases sugar intake
May cause gas and diarrhea
Alpha-Glucosidase Inhibitors:
Acarbose (Precose)
Miglitol (Glyset)
Drugs not often used for DM due to _________________________________:
Bile acid sequestrant colesevelam (Welchol)
Dopamine Agonists bromocriptine (Cycloset)
SE and lack of efficacy
MOA: Mimic hormones that help regulate BG
Stimulates GLP-a receptors which stimulate insulin release-
Inhibiting postprandial glucagon release
Slows gastric emptying
GLP-1 Agonists/ Incretin Mimetics
Exenatide (Byetta)
Liraglutide (Victoza)
SE: nausea, hypoglycemia, and possible weight loss
GLP-1 Agonists/ Incretin Mimetics
Exenatide (Byetta)
Liraglutide (Victoza)