A: 12-15 Flashcards
Thyroid preparations (2)
Levothyroxine
Iodine
Levothyroxine:
How to give?
When is the maximum effect?
Oral/IV
After 6-8 weeks
Daily requirement of Iodine
150 micro g
Iodine indications
Deficiency
Thyrotoxicosis crisis
Iodine side effects
Cutaneous and mucus membrane irritation
Allergic
Hypo/Hyper -thyroiditis
Antithyroid drugs MOA
Inhibit thyroid Peroxidase activity
Inhibit Deionidase
Antithyroid drugs (2)
Propylthiouracil (PTU)
Methimazole
Propylthiouracil (PTU)
Hoe to give
Duration of action
Oral
6-8 h
Propylthiouracil (PTU)
Methimazole
How long until they work? Why?
3-4 weeks
Since the realease of preformed hormones is not affected
Propylthiouracil (PTU) side effects
Skin rash GI Vasculitis Liver Hypothyroidism Lupus
Methimazole
Hoe to give
Duration of action
Oral
24 h
Which of them doesnt effect Deionidase?
Propylthiouracil (PTU)
Methimazole
Methimazole
Which of them is safe during pregnancy?
Propylthiouracil (PTU)
Methimazole
Propylthiouracil (PTU)
Methimazole side effects
Skin rash Nausea Vasculitis Agranulocytosis Liver Hypothyroidism Lupus Teratogenic
Somatostatin analoge
Octreotide
Dopamine D2-R agonists (2)
Bromocriptine
Cabergoline
Hypothalamic and Pituitary hormones- which drugs should I know?
Desmopresin (ADH)
Octreotide (GH antagonist)
Bromocriptine (D2-R agonis)
Oxytocin
DOB-O
Octreotide MOA
GH antaginist (Somatostatin anloge)
Octreotide indications
Acromegaly
Gigantism
Endocrine tumors
Control of bleeding in esophageal varices
Octreotide side effects
GI
Steatorrhea
Gall stones
Cardiac conduction abnormalities
Why will we see Gall stones when taking Octreotide?
Impaired pancreatic secretions
Which drug can suppress pituitary excretion of prolactin?
Bromocriptine
Bromocriptine indications
Prolactin secreting adenoma
Acromegaly
Bromocriptine side effects
GI Orthostatis HTN Headache Psychosis Vasospasm Pulmonary infiltrates in high dosage
How to give Oxytocin?
IV
Oxytocin indications
Induction of labor
Control of uterine hemorrhage after delivery
Oxytocin side effects
Fetal distress Placental abruption Uterine rupture Fluid retention Hypotension
Oxytocin MOA
Mediates uterine contraction via activation of Oxytocin-R that are Gq coupled
Desmopressin MOA
Selective V2-R agonist
Synthetic analoge of ADH
Desmopressin indications
Central DI
Hemophilia A
Von-Willebrand disease
Desmopressin side effects
GI
Headache
Hyponatremia
Allegy
Rapid acting Insulin
Lispro
Aspart
Glulisine
Lispro Insulin
Onset of action
Peak
Duration
Onset of action: 10 min
Peak: 1 h
Duration: 3-4 h
Short acting Insulin
Regular Insulin
Regular Insulin
Onset of action
Peak
Duration
Onset of action: 30 min
Peak: 1-3 h
Duration: 4-8 h
Intermidiate acting Insulin
NPH (Isopham)
NPH (Isopham)
Onset of action
Peak
Duration
Onset of action: 1-2 h
Peak: 4-6 h
Duration: 8-12 h
Long acting Insulin
Glargine
Detemir
Glargine, Detemir
Onset of action
Peak
Duration
Onset of action: 2 h
Peak: Flat
Duration: 12-24 h
Rapid acting Insulin indications
Pre prandial injection
Preferred for contineous SC
Emergancy keto acidosis
Short acting Insulin indications
Pre prandial injection
Emergancy keto acidosis
Intermediate acting Insulin indications
Combined with short/rapid
Long acting Insulin indications
For Basal Insulin levels
What does human Inslin means?
Original AA sequence is not altered
What does analogue Inslin means?
AA sequence has been modified to generate more lonf/short acting Insulin
Insulin side effects
Hypoglycemia –> CNS
Injection site reaction
Edema
Total daily Insulin needs in T1DM
~ 0.55 Unit/Kg
Total daily Insulin needs in T2DM
> 1 Unit/Kg
GLP-1 analogue
Liraglutide
Exanglutide
GLP-1 job?
Has the ability to decrease blood sugar levels in a glucose-dependent manner by enhancing the secretion of insulin
GLP-1 and GIP are also called togather-
Incretins
Which GLP-1 drug can cause weight loss?
Liraglutide
Which DM patient will get Liraglutide
T2DM
What effect will a contineous Sulfonylurea use have?
Enhances tissue response to Insulin
Sulfonylurea 2nd generation
Glimepiride
Glipizide
Which drug group is like Sulfonylurea MOA but is not a Sulfa drug?
Meglitinide
Meglitinides:
Rapeglinide
Nateglinide
Sulfonylurea administration
Oral
Sulfonylurea side effects
Weight gain Hypoglycemia Rash Sulfa drug Cardiovascular risk
Meglitinides side effects
Hypoglycemia
Meglitinides onset of action
להשוות לסולפונוראה
Meglitinides are more rapid
Biguanides MOA
Avtivate AMP Kinase –> Reduce hepatic and renal gluconeogenesis –> Post prandial and fasting glucose level decrease
Decrease intestinal glucose absorption
Increase Insulin sensitivity
Metformin elimination
Renal
When does Metformin requires caution?
GFR < 45 mL/min/1.73 m2
Lower than 30 is contraindication
Metformin indications
T2DM
Restore fertility in women with PCOS
Weight reduction in obesity
Hyperinsulinemia
Metformin side effects
GI
Lactic acidosis
Incertins actions
Increase Insulin release
Decrease Glucagon release
Delayed gastric emptying
Satiety
DDP-4 inhibitors
Vildagliptin
Sita
Saza
DDP-4 inhibitors side effects
Headache
Nasopharynagitis
Upper respiratory tract infections
SGLT2 location
Proximal convoluted tubule
When are SGLT2 inhibitors contraindicated?
Impaired renal function
SGLT2 inhibitors side effects
Genitourinary infections
Osmotic diuresis
a-glucosidase inhibitors
Acarbose
Miglitol
Acarbose side effects
Hypoglycemia
Diarrhea
Abdomianl pain
PTH effects in the kidneys
Decrease Ca2+ excretion
Increase Phosphate excretion
Vit. D synthesis
PTH effects in the bones
Osteoclast and blast activation
Net bone resorption in high conc.
Net bone formation in low conc.
PTH effects in the intestines
Ca2+ and Phosphate absorption mediated by Vit. D
PTH analogue
Teriparatide
How to give Teriparatide?
SC injection
Teriparatide indications
Osteoporosis
Teriparatide side effects
Hypercalcemia
Hypercalciuria
Vit. D3 is also called
Cholecalciferol
Cholecalciferol is given ____
Why?
Oral
Requires metabolism in liver and kidney to become the active form
Cholecalciferol indications
Vit. D def.
Hypoparathyroidism
Nephrotic syndrome
Cholecalciferol side effects
Hypercalcemia
Hyperphosphatemia
Hypercalciuria
What is the effect of Vit. D on PTH?
Vit. D inhibits PTH release
Calcitonin effects
Kidney: Ca2+ and Phos. excretion
Bone: Inhibit Osteoclast activity
SERM used in Osteoporosis
Raloxifene
What is the effect of Estrogen on bones?
Inhibition of PTH
Raloxifene side effects
Hot flushes
Increased risk of thromboembolism
Bisphosphonates MOA
Direct suppression of osteoclasts
(Inhibition of Pytophosphate synthase enzyme)
Prevent bone turnover
Rapid increase in bone mineral density in the first year
Later equilibrium
Bisphosphonates:
Alendronate
Zoledronate
Alendronate
Zoledronate
Indications
Osteoporosis
Paget’s disease
Bone metastasis
Hypercalcemia due to hyperparathyroidism
Alendronate
Zoledronate
Side effects
Hypocalcemia
Upper GI
Osteonecrosis of the jaw
RANKL inhibitors
Denosumab
Denosumab
How to give and what is it?
SC injection every 6 months
IgG
Denosumab indications
Post menopausal osteoporosis
Denosumab side effects
Increase risk of infections