Pulmonary Drugs Flashcards
Albuterol: Class/Type
Short-acting beta-2 agonist (SABA)
Albuterol: Mechanism
Bronchodilators
Albuterol: Indication
Step 1 asthma (intermittent); used in emergency situations to reduce/eliminate SOB, coughing, and wheezing. Symptom relief and increase FEV1 for COPD, acute COPD exacerbation
Albuterol: Side Effects/Toxicity
Tachycardia, palpitations, tremor, hypokalemia
Albuterol: Notes
Oral administration has more side effects than inhaled. For COPD, albuterol is sometimes used with ipratropium
Terbutaline: Class/Type
Short-acting beta-2 agonist (SABA)
Terbutaline: Mechanism
Bronchodilators
Terbutaline: Indication
Step 1 asthma (intermittent); used in emergency situations to reduce/eliminate SOB, coughing, and wheezing. Symptom relief and increase FEV1 for COPD, acute COPD exacerbation
Terbutaline: Side Effects/Toxicity
Tachycardia, palpitations, tremor, hypokalemia
Terbutaline: Notes
Oral administration has more side effects than inhaled. For COPD, albuterol is sometimes used with ipratropium
Salmeterol: Class/Type
Long-acting beta-2 agonist (LABA)
Salmeterol: Mechanism
Bronchodilators
Salmeterol: Indication
Used in combination with ICS in persistent asthma, steps 3-6. Controller medication for COPD (decreases symptoms and acute exacerbation rate, increases FEV1)
Salmeterol: Side Effects/Toxicity
Tachycardia, palpitations, tremor, hypokalemia. Increased risk of severe COPD exacerbation and asthma death.
Salmeterol: Notes
Sometimes used with glucocorticoid for COPD. FDA recommends only use in combination with other controller meds (such as ICS)
Chromolyn sodium: Class/Type
Mast cell stabilizer
Chromolyn sodium: Mechanism
Prevents the release of mediators that would normally attract inflammatory cells and stabilizes the inflammatory cells
Chromolyn sodium: Indication
Used to prevent wheezing, SOB, and trouble breathing caused by asthma
Chromolyn sodium: Side Effects/Toxicity
Sore throat, bad taste, stomach pain, cough, stuffy nose, itching or burning in nasal passages, sneezing, headache
Chromolyn sodium: Notes
No longer available for oral inhalation treatment (replaced by LTRAs)
Omalizumab: Class/Type
Immunodilator
Omalizumab: Mechanism
IgE binding in circulation
Omalizumab: Indication
Used in cases of allergic asthma triggers, particularly in steps 5 & 6 persistent asthma
Omalizumab: Side Effects/Toxicity
Possible anaphylaxis (rare)
Omalizumab: Notes
Possibly associated with Churg-Strauss syndrome (autoimmune disease)
Zafirlukast: Class/Type
Leukotriene modifiers (LTRA)
Zafirlukast: Mechanism
Leukotriene D4 (LTD4) receptor antagonists
Zafirlukast: Indication
Alternate treatment in cases of persistent asthma, steps 2 and in combination with ICS in steps 3 & 4
Zafirlukast: Side Effects/Toxicity
Cough or hoarseness, fever, chills, lower back or side pain, pain, pain or difficult urination
Montelukast: Class/Type
Leukotriene modifiers (LTRA)
Montelukast: Mechanism
Leukotriene D4 (LTD4) receptor antagonists
Montelukast: Indication
Alternate treatment in cases of persistent asthma, steps 2 and in combination with ICS in steps 3 & 4
Montelukast: Side Effects/Toxicity
GI disturbances, headaches, hypersensitivity reactions, sleep disorders, bleeding tendency
Montelukast: Notes
Possibly associated with Churg-Strauss syndrome (autoimmune disease)
Zileuton: Class/Type
Leukotriene modifiers (LTRA)
Zileuton: Mechanism
Inhibits 5-lipoxygenase
Zileuton: Indication
Alternate treatment in cases of persistent asthma, steps 2 and in combination with ICS in steps 3 & 4
Zileuton: Side Effects/Toxicity
Sinusitis, nausea, pharyngolaryngeal pain
Prednisone: Class/Type
Oral glucocorticoid (systemic)
Prednisone: Mechanism
Upregulate expression of anti-inflammatory genes and genes that increase gluconeogenesis and downregulate proinflammatory genes
Prednisone: Indication
Used as both emergency and long-term controller situations for asthma
Prednisone: Side Effects/Toxicity
Adrenal suppression, growth suppression, osteoporosis, muscle weakness, hypertension, weight gain, diabetes, cataracts, Cushing’s syndrome, dermal thinning
Prednisone: Notes
Oral is preferred to IV for patients without altered mental status
Beclomethasone: Class/Type
Inhaled glucocorticoid (ICS)
Beclomethasone: Mechanism
Upregulate expression of anti-inflammatory genes and genes that increase gluconeogenesis and downregulate proinflammatory genes
Beclomethasone: Indication
Used in combination with LABA, LTRA, or theophylline for persistent asthma, steps 2-6. Controller medication for COPD (decreases symptoms and acute exacerbation rate, increases FEV1)
Beclomethasone: Side Effects/Toxicity
Oropharyngeal thrush, cataracts, osteoporosis, increased risk of pneumonia in COPD patients?
Beclomethasone: Notes
Not used in the ED. Sometimes used with LABA for COPD
Budesonide: Class/Type
Inhaled glucocorticoid (ICS)
Budesonide: Indication
Used in combination with LABA, LTRA, or theophylline for persistent asthma, steps 2-6. Controller medication for COPD (decreases symptoms and acute exacerbation rate, increases FEV1)
Budesonide: Side Effects/Toxicity
Oropharyngeal thrush, cataracts, osteoporosis, increased risk of pneumonia in COPD patients?
Budesonide: Notes
Not used in the ED. Sometimes used with LABA for COPD
Fluticasone: Class/Type
Inhaled glucocorticoid (ICS)
Fluticasone: Indication
Used in combination with LABA, LTRA, or theophylline for persistent asthma, steps 2-6. Controller medication for COPD (decreases symptoms and acute exacerbation rate, increases FEV1)
Fluticasone: Side Effects/Toxicity
Oropharyngeal thrush, cataracts, osteoporosis, increased risk of pneumonia in COPD patients?
Fluticasone: Notes
Not used in the ED. Sometimes used with LABA for COPD
Ipratropium: Class/Type
Short-acting anticholinergic
Ipratropium: Mechanism
Blocks muscarinic acetylcholine receptors in the smooth muscle of the bronchi of the lungs, allowing the bronchi to stay open
Ipratropium: Indication
Symptom relief and increases FEV1 for COPD (slower than SABA), acute COPD exacerbation
Ipratropium: Side Effects/Toxicity
Dry mouth
Ipratropium: Notes
For COPD, sometimes used with albuterol
Tiotropium: Class/Type
Long-acting anticholinergic
Tiotropium: Mechanism
Blocks muscarinic acetylcholine receptors in the smooth muscle of the bronchi of the lungs, allowing the bronchi to stay open
Tiotropium: Indication
Controller medication for COPD (decreases symptoms and acute exacerbation rate, increases FEV1)
Tiotropium: Side Effects/Toxicity
Dry mouth
Nicotine patch, lozenge, gum, inhaler, spray: Class/Type
Nicotine replacement
Nicotine patch, lozenge, gum, inhaler, spray: Mechanism
Delivers nicotine so that the patient does not have to smoke to get it
Nicotine patch, lozenge, gum, inhaler, spray: Indication
Smoking cessation
Nicotine patch, lozenge, gum, inhaler, spray: Side Effects/Toxicity
Headache, nausea and GI problems, difficulty getting to sleep (with patch especially). May not be safe in pregnancy
Nicotine patch, lozenge, gum, inhaler, spray: Notes
6-month abstinence rate of 25%
Varenicline: Class/Type
Nicotine partial agonist
Varenicline: Mechanism
Orally-available partial agonist at the alpha4beta2 subunit of the nicotinic acetylcholine receptor stimulates nicotinic receptor (reduces withdrawal) and blocks nicotine from binding (reduces reward)
Varenicline: Indication
Smoking cessation – can quit smoking 1 week after initiating therapy
Varenicline: Side Effects/Toxicity
Nausea, headache, insomnia, abnormal dreams. Depression, suicidal thoughts and actions. “Small increased risk of cardiovascular adverse events in patients with cardiovascular disease”
Varenicline: Notes
6-month abstinence rate of 24%
Buproprion: Class/Type
Antidepressant
Buproprion: Mechanism
Non-competitive nicotinic antagonist. Increased dopamine transmission in the brain
Buproprion: Indication
Smoking cessation – reduces severity of nicotine cravings and withdrawal symptoms
Buproprion: Side Effects/Toxicity
Insomnia and headache. Changes in behavior, hostility, agitation, depressed mood, and suicidal thoughts
Buproprion: Notes
6-month abstinence rate of 33%
Diltiazem: Class/Type
Calcium channel blockers
Diltiazem: Mechanism
Block L-type calcium channel receptors in vascular smooth muscle, resulting in vasodilatation
Diltiazem: Indication
PAH for patients who are highly vasoreactive (robust acute responder)
Diltiazem: Side Effects/Toxicity
Dizziness, headache, flushing, weakness, bradycardia, GI sx, coughing
Verapamil: Class/Type
Calcium channel blockers
Verapamil: Mechanism
Block L-type calcium channel receptors in vascular smooth muscle, resulting in vasodilatation
Verapamil: Indication
PAH for patients who are highly vasoreactive (robust acute responder)
Verapamil: Side Effects/Toxicity
Don’t take verapamil with beta blockers due to risk of severe bradycardia
Epoprostenol: Class/Type
Prostacyclin analogue
Epoprostenol: Mechanism
Mimics the properties of prostacyclin in the prostacyclin pathway via stimulation of adenylate cyclase à increased cAMP to result in vasodilatation, antiproliferation, and anti-platelet aggregation
Epoprostenol: Indication
Improves hemodynamics, functional capacity, and survival in patients with pulmonary artery hypertension, high and lower risk patients
Epoprostenol: Side Effects/Toxicity
Headache, dizziness, flushing, nasal congestion.Jaw pain, delivery system problems. Cautious use in hypotensive patients, intrinsic lung disease, elevated LA pressure. Always wean gradually to avoid abrupt medication withdrawal
Epoprostenol: Notes
IV
Bosentan: Class/Type
Endothelin receptor antagonists
Bosentan: Mechanism
Block endothelin A and B receptors on smooth muscle cells, cardiac myocytes, and endothelial cells (B only), preventing sustained vasoconstriction and proliferation of vascular smooth muscle cells
Bosentan: Indication
Improve hemodynamics and functional capacity in PAH patients
Bosentan: Side Effects/Toxicity
Teratogenic, peripheral edema, anemia
Bosentan: Notes
Newer drug
Sildenafil: Class/Type
Phosphodiesterase inhibitor
Sildenafil: Mechanism
Inhibits PDE-5, therefore inhibiting the deactivating of cGMP in the NO pathway and causing vasodilation and antiproliferation
Sildenafil: Indication
Improves hemodynamics and functional capacity in patients with pulmonary artery hypertension, high and lower risk patients
Sildenafil: Side Effects/Toxicity
Headache, dizziness, flushing, nasal congestion. Cautious use in hypotensive patients, intrinsic lung disease, elevated LA pressure. Always wean gradually to avoid abrupt medication withdrawal
Sildenafil: Notes
Oral, IV
Roflumilast: Class/Type
Phosphodiesterase inhibitor
Roflumilast: Mechanism
Oral PDE-4 inhibitor that decreased airway inflammation and promotes airway smooth muscle relaxation
Roflumilast: Indication
Improves FEV1 and decreases exacerbation rate in COPD
Roflumilast: Side Effects/Toxicity
Diarrhea, weight loss
Roflumilast: Notes
Has not been studied in combination with ICS
Unfractionated heparin (UFH): Class/Type
Antithrombin agents
Unfractionated heparin (UFH): Mechanism
Complexes with antithrombin to inactivate thrombin
Unfractionated heparin (UFH): Indication
Initial therapy fro DVT
Unfractionated heparin (UFH): Side Effects/Toxicity
Bleeding
Unfractionated heparin (UFH): Notes
IV, narrow therapeutic window, reversible with protamine, does not cross placenta
Low molecular weight heparin (LMWH): Class/Type
Antithrombin agents
Low molecular weight heparin (LMWH): Mechanism
Complexes with antithrombin to inactivate factor Xa
Low molecular weight heparin (LMWH): Indication
Initial therapy for DVT, but reduces VTE and bleeding compared to UFH. Tx for PE in unstable patients and those with high risk of bleeding. VTE prevention (also heparin)
Low molecular weight heparin (LMWH): Side Effects/Toxicity
Caution in specific populations, such as pregnant women, elderly, obese, renal disease
Low molecular weight heparin (LMWH): Notes
Subcutaneous injection
Fondaparinux: Class/Type
Antithrombin agents
Fondaparinux: Mechanism
Complexes with antithrombin to inactivate factor Xa
Fondaparinux: Indication
Initial therapy for DVT, with equal efficacy to LMWH. TX for PE in hemodynamically stable patients
Fondaparinux: Side Effects/Toxicity
Caution in specific populations, such as pregnant women, elderly, obese, renal disease
Fondaparinux: Notes
Subcutaneous injection
Warfarin: Class/Type
Oral anticoagulant
Warfarin: Mechanism
Inhibits vitamin K depended gamma-carboxylation of factors II, VII, IX, and X
Warfarin: Indication
Prevention of recurrent DVT and PE
Warfarin: Side Effects/Toxicity
Interactions with genetics, diet, multiple drugs. Teratogenic
Pirfenidone: Class/Type
Drugs in IPF
Pirfenidone: Mechanism
Inhibits release of pro-inflammatory cytokines, attenuates fibroblast proliferation, inhibits release of TGF-beta, and inhibits collagen synthesis
Pirfenidone: Indication
Shown to slow the course of disease progression in IPF
Nintenadib: Class/Type
Drugs in IPF
Nintenadib: Mechanism
Growth factor/angiokinase inhibitor at the vascular endothelial growth factor, fibroblast growth factor, and platelet derived growth factor receptors
Nintenadib: Indication
May have efficacy in IPF