Respiratory Exam 1 - ASTHMA MEDICATIONS Flashcards
Beclomethasone Dipropionate
Inhaled Corticosteroid
Fluticasone Propionate
Inhaled Corticosteroid
Budesonide
Inhaled Corticosteroid
Flunisolide
Inhaled Corticosteroid
Mometasone Furoate
Inhaled Corticosteroid
Triamcinolone Acetonide
Inhaled Corticosteroid
Ciclesonide
Inhaled Corticosteroid
Inhaled Corticosteroids - INDICATION
Long-term prevention of symptoms
Suppression, control, reversal of inflammation
Reduced need for oral corticosteroids
Most potent/effective inflammatory med. available
Inhaled Corticosteroids - MOA
Anti-inflammatory:
Block LATE reaction to allergen and reduce hyper-responsiveness
Inhibit cytokine production, adhesion, protein activation, and inflammatory migration & activation
Reverse B2 receptor down regulation
Inhaled Corticosteroids - AE
Local:
Cough, dysphonia, candidiasis
Low-medium doses:
suppression of growth in children
High doses:
Systemic effects
Inhaled Corticosteroids - CONSIDERATIONS
Wash mouth out
Adults:
Consider calcium & vitamin D supplements
Methylprednisolone
Systemic Corticosteroid
Prednisone
Systemic Corticosteroid
Prednisolone
Systemic Corticosteroid
Systemic Corticosteroids - INDICATIONS
Short term:
3-10 days to gain prompt control of inadequately controlled asthma
Long term:
prevention of symptoms of SEVERE PERSISTENT asthma ONLY
Systemic Corticosteroids - AE
Hyperglycemia Fluid retention Weight gain Hypertension Growth suppression Cushing's syndrome Impaired immune function
Systemic Corticosteroids - CONSIDERATIONS
Use lowest effective dose
Long term: Alternate day AM dosing or 3pm daily dosing
Take with food
Do not administer varicella vaccine (wait one month after use)
Cromolyn Sodium
Mast Cell Stabilizer
Nedocromil
Mast Cell Stabilizer
Mast Cell Stabilizers - INDICATION
Long term prevention of symptoms in MILD PERSISTENT asthma
Preventative treatment prior to exercise or exposure to known allergen
**Used as an alternative but not preferred
Mast Cell Stabilizers - MOA
Anti-inflammatory:
Blocks EARLY & LATE reaction to allergen.
Interferes with chloride channel function. Stabilizes mast cell membrane & inhibits activation & release of mediators from eosinophils & epithelial cells.
Inhibits acute response to exercise, cold dry air, and SO2
Mast Cell Stabilizer - AEs
Cough
Irritation
Unpleasant taste (nedocromil)
Mast Cell Stabilizer - CONSIDERATIONS
may need 4-6 wks to determine max benefit
Omalizumab
Immunomodulator
Immunomodulator - INDICATION
Long term control & prevention of symptoms in adults who have MODERATE or SEVERE PERSISTENT asthma inadequately controlled by ICS
**ADJUNCT THERAPY
Immunomodulator - MOA
Recombinant DNA-derived humanized monoclonal antibody that binds to CIRCULATING IgE - prevents it from binding to receptors on basophils & mast cells
Decreases mast cell mediator release from allergen exposure
Decreases number of receptors in basophils & submucosal cells
Immunomodulator - AEs
Pain @ injection site
Anaphylaxis
Immunomodulator - CONSIDERATIONS
Monitor for anaphylaxis
Must refrigerate
Montelukast
Leukotriene Receptor Antagonists (LRTAs)
Zafirlukast
Leukotriene Receptor Antagonists (LRTAs)
Leukotriene Receptor Antagonists (LRTAs) - INDICATIONS
Montelukast:
Long term control of MILD PERSISTENT asthma in pts >1yo
Zafirlukast:
Long term control of MILD PERSISTENT asthma in pts >7yo
*ALTERNATIVE (not preferred)
**ADJUNCT with ICSs (Not preferred in pts >12yo compared to LABAs)
Leukotriene Receptor Antagonists (LRTAs) - MOA
Selective competitive inhibitor of CysLT1 receptor
Leukotriene Receptor Antagonists (LRTAs) - AEs
Zafirlukast:
Reversible hepatitis
Irreversible hepatic failure
Leukotriene Receptor Antagonists (LRTAs) - CONSIDERATIONS
Montelukast:
Ceiling Effect
Zafirlukast:
Take 1hr before or 2hr after meals
Zileuton
5-Lipoxygenase Inhibitor
5-Lipoxygenase Inhibitor - INDICATION
Long term control & prevention of symptoms in MILD PERSISTENT asthma for pts >12yo
May be used with ICS as combo therapy in MODERATE PERSISTENT asthma in pts >12yo
*ALTERNATIVE (not preferred - less desirable than LTRAs)
5-Lipoxygenase Inhibitor - MOA
Inhibits production of leukotriene from arachidonic acid (LTB4 & cysteinyl leukotrienes)
5-Lipoxygenase Inhibitor - AEs
Elevated liver enzymes
5-Lipoxygenase Inhibitor - CONSIDERATIONS
Monitor LFT
Formoterol
Long-Acting B2-Agonist (LABA)
Salmeterol
Long-Acting B2-Agonist (LABA)
Albuterol (sustained release PO)
Long-Acting B2-Agonist (LABA)
Long-Acting B2-Agonist (LABA) - INDICATIONS
Long term prevention of symptoms
ADDED to ICS
NOT to be used as monotherapy
NOT to be used to treat acute symptoms or exacerbations
LABA is preferred in combination with ICS in >12yo
Long-Acting B2-Agonist (LABA) - MOA
Bronchodilation:
Smooth muscle relaxation following adenylate cyclase activation & increase in cAMP
Long-Acting B2-Agonist (LABA) - AEs
Tachycardia Skeletal muscle tremor Hypokalemia Prolonged QT interval (OD) Potential severe life-threatening exacerbations
Long-Acting B2-Agonist (LABA) - CONSIDERATIONS
Daily use should not exceed 100mcg of Salmeterol OR 24mcg Formoterol
Theophylline
Methylxanthines
Methylxanthines - INDICATION
Long term control & prevention of MILD PERSISTENT asthma
Adjunct with ICS in MODERATE PERSISTENT asthma
Not preferred
Methylxanthine - MOA
Bronchodilation:
Smooth muscle relaxation from phosphodiesterase inhibition & adenosine antagonism
May effect eosinophil infiltration into bronchial mucosa
Increases diaphragm contractility & mucociliary clearance
Methylxanthine - AEs
LOTS
Dose related toxicities
Narrow TI
WHY NOT SEEN OFTEN
Albuterol
Short-Acting B2-Agonist (SABA)
Levalbuterol
Short-Acting B2-Agonist (SABA)
Pirbuterol
Short-Acting B2-Agonist (SABA)
Short-Acting B2-Agonist (SABA) - INDICATIONS
Relief of acute symptoms
Preventative treatment for EIB prior to exercise
*Therapy of choice
Short-Acting B2-Agonist (SABA) - MOA
Bronchodilation:
Smooth muscle relaxation following adenylate cyclase activation & increase in cAMP
Short-Acting B2-Agonist (SABA) - AEs
Tachycardia Muscle tremor Hypokalemia Increased lactic acid Headache Hyperglycemia
Ipratropium Bromide
Anticholinergic
Anticholinergic - INDICATIONS
Relief of acute bronchospasm
Provides ADDITIVE benefit to SABA in MODERATE-SEVERE asthma exacerbations
Alternative to pts intolerant to SABA
Anticholinergic - MOA
Bronchodilation:
Competitive inhibitor of muscarinic cholinergic receptors
Reduces intrinsic vagal tone in airways - may block reflex bronchoconstriction to irritants
May decrease mucous gland secretion
Anticholinergic - AEs
Dry mouth
Increased wheezing in some
Anticholinergic - CONSIDERATIONS
ONLY reverses cholinergically mediated bronchospasm