Allergies and COPD Drugs Flashcards
What are the 2 categories of drugs used to treat asthma?
- Anti-inflammatory drugs
- Bronchodilators
What type of anti-inflammatory drugs are used to treat asthma?
- Corticosteriods (inhaled and oral)
- Antibodies
-
Drugs that modify leukotriene receptor (DO NOT CONTAIN HORMONES)
* lipoxygenase inhibitors
* leukotriene receptor blockers- —DO NOT CONTAIN HORMONES—-
-
Drugs that modify leukotriene receptor (DO NOT CONTAIN HORMONES)
What types of bronchodilators are used to treat asthma?
- B-agonists (most effective)
- Anti-cholinergics
- Methylxanthines
Name the SABA
- 1. Albuterol
- 2. Terbutaline
- 3. Metaproterenol
- 4. Pirbuterol
- 5. Levalbuterol
Name the LA-BA
- Fomoterol
- Salmeterol
- Indacaterol
- Vilanterol
- Oldaterol
Name anti-cholinergic drug
- 1. Atropine
- 2. Ipatropium
- 3. Tiotripium
- 4. Aclidinium
Name the methylxanthines
- Theophylline
- Theobromine
- Caffeine
Name the inhaled corticosteroids
- Beclamethasone
- Budesonide
- Ciclesonide
- Flunisolide
- Fluticasone
- Mometasone
- Triamcinolone
Oral and Parenteral Corticosteroids (OCS)
1. Prednisone
Monoclonal Ab drugs
1. Omalizumab
Leukotriene receptor ANT
- 1. Zafirlukast
- 2. Montelukast
- 3. Pranulukast
Both are reversible
Lipooxygenase inhibitor
1. Zileuton
MOA of B2-AGO?
+ AC => ↑ cAMP => bronchodilation.
- relax airway smooth muscle, where they act as functional ANT and reverse constriction.

MOA of theophylline
2 mechanisms on airways with reversible obstruction:
- Inhibit PDE, preventing the breakdown in cAMP => ↑ in CAMP => bronchodilate
- Inhibits adenosine, which is a bronchoconstricts => suppresses response of airway to stimumi (prophlactic)

MOA of muscarinic ANT (anticholinergics)
- Prevent binding of ACh, which usually bronchoconstricts => inhibit parasympathetic inpulse => prevent bronchoconstriction

What is the major route of inhaled corticosteroids and B2-agonists, and what type of effect does it have?
What is the minor route?
- Major route (80%): swallow, but produces a minor effect
- Minor route: inhaled, but produces a MAJOR effect.
For inhaled drugs, why is swallowing the major route, but the effect is less?
Absorbed from GI tract => liver, where it undergoes 1st pass metabolism.
Bronchodilators act on airway smooth muscle to do what?
reverse bronchoconstriction
What is the most commmonly used drug to treat asthma/COPD?
B2-AGO
What is the only β2 drug available for SQ injection?
Terbutaline
What are the indications for use of Terbutaline?
Ppl over 12 YO to treat and prophalax against bronchospams in [asthma, bronchitis and emphysema]
What is the black-box warning for Terbutaline?
Not recommended as a medication for tocolysis (utermine contractions/preterm labor)
Which β2-agonist for asthma is not recommended for pt’s with sulfa allergies?
Terbutaline
What are side effects of Terbutaline?
- 1. HA
- 2. N
- 3. Palpitations
- 4. Tachycardia
What are indications for Albuterol?
1. Asthma
2. Acute bronchitis
3. Bronchilitis
4. COPD
Which life-threatening AE can occur after tx w/ Albuterol?
- Paradoxical bronchospasm
- make asthma worse
- CV
- immediate hypersensitivity reactions
AE of Albuterol
- 1. HA
- 2. Dizziness
- 3. Insomnia
- 4. Dry mouth
- 5. Cough
What are 2 indications for the use of the β2-agonist Metaproterenol?
- Bronchodilator for bronchial asthma
- Reversible bronchospasm which may occur in assoc. w/ bronchitis and COPD
–
What are 2 cautions/warnings associated with the use of Metaproterenol?
- Can produce significant cardiovascular effect in some pt’s, as measured by pulse, BP, sx’s and/or ECG changes
- Can produce paradoxical bronchospasm(can be life threatening) bc aersol
Which drug class should not be used concomitantly with Metaproterenol?
Beta-adrenergic aerosol bronchodilators due to additive effects
Which β2-agonist may be used with or without concurrent theophylline and/or corticosteroid therapy?
Pirbuterol
What are the indications for Pirbuterol?
- Pts 12 YO or older to prevent and reverse bronchospasms with reversible bronchospasms (inc asthma)
What are significant AE of Pirbuterol?
CV affects, like other inhaled B adrenergic AGO
What are the indications for the use of the β2-agonist, Levalbuterol?
- 4 YO or older to treat or prevent bronchospams in reversible obstructive airways disease
Signifiant AE of Levalbuterol?
Life-threatening paradoxical bronchospasms
What are the 4 long-acting β2-agonists?
- 1. Fomoterol
- 2. Salmeterol
- 3. Indacterol
- 4. Vilanterol
- 5. Oldaterol
What are the 3 indications for use of the LABA, Fomoterol?
-
Asthma
* Pts over 5 YO as an add on with a med that contorls asthma long-term (inhaled corticosteroids) - Prevention of exercise-induced bronchospasm (EIB) in pt’s ≥5 y/o
- COPD: Maintain/prevent bronchoconstriction
What are cautions/warnings for the use of LABA’s in asthma?
- ↑ risk of asthma-related death and asthma-related hospitlizations
- MUST be used concomitantly with an inhaled corticosteroid for asthma (fomoterol and salmeterol)
What are the 3 indications for use of the LABA, Salmeterol?
- Asthma
* Pts over 4 YO as an add on with a med that contorls asthma long-term (inhaled corticosteroids) - Prevention of exercise-induced bronchospasm (EIB) in pt’s ≥4 y/o
- COPD
* Maintenance tx of bronchosapsm in pt’s with COPD
SAME THING AS FOMOTEROL, BUT CAN BE USED IN 4 YO OR YOUNGER
What is the indication for the use of the LABA, Indacaterol and Vilanterol?
Used to tx breathing problems caused by COPD, including chronic bronchitis and emphysema
What is the indication for use of the LABA, Olodaterol?
Used as LONG-term, 1x/daily to help bronchodilate in pt’s with COPD(chronic bronchitis and emphysema)
What 4 [ICS +LABA} combination inhalers can we have?
- ICS + LABA
- Fluticasone + Salmeterol
- Formoterol + Mometasone
- Formoterol + Budensonide
If pt has mild intermittant breathing problems, what do you prescribe?
What about mild persistant?
Very severe persistant?
- SABA
- SABA + Low dose ICS
- SABA + High dose ICS + LABA + OCS
Which anticholinergic drug is indicated for use as a bronchodilator for maintenance tx of bronchospasm associated with COPD, including chronic bronchitis and emphysema?
Ipatropium
Which anticholinergic drug is given 1/day for long-term maintenance tx of bronchospasm associated with COPD, and for reducing COPD exacerbations?
Tiotroprium
What is the indication for use of the anticholinergic drug, Aclidinium?
LONG-term, maintenance of bronchospasm associated with COPD, including chronic bronchitis and emphysema
Which anti-cholinergic drug is a potent ATROPINE ANALOG that is poorly absorbed, thus, does not have all of the systemic effects of atropine?
Ipratropium
Anti-cholinergic drugs are used mainly to treat what?
COPD
Ipratropium + Aclidinium treats COPD + chronic bronchitis + emphysema
What are the Methylxanthines (Theobromine, Theophylline) used to treat for?
What is theobromine present in?
- Airway obstruction caused by
- asthma
- chronic bronchitis
- emphysema
Chocholate
What methylxanthine is used to in a lot of prophylactic measures?
Theophylline
Theophylline should be used with extreme caution in pt’s with what 3 underlying clinical conditions?
- - Active peptic ulcer disease
- Seizures
- Cardiac arrhythmias (NOT including bradyarrhythmias)
What is given as the first-line therapy for persistent asthma; if sx’s are not controlled at low doses you may add what?
Inhaled corticosteroids (ICS); can add LABA as next step
How do corticosteroids work as anti-inflammatory meds?
Stop transcription of genes that encode inflammatory cells
What are the BEST controllers/supressors for asthma but do NOT correct the problem?
ICS
How does ICSs work as anti-inflammatory meds?
- Reduce eosinophils in airway and sputum
- Reduce activated T cells and mast cells in mucosa.
- How often is ICS administered?
- How quickly do they work in improving asthma symptoms?
- What are 3 other effects of ICS?
- 2x/day
- Improve asthma symptoms and lung function in DAYS
- Other effects
- Prevent excericse-induced asthma and nocturnal exacerbations
- Reduce AHR (airway hyperresponsiveness) over months
- If given early, can prevent irreversible damage to airways that occur in chronic asthma.
Withdrawal of ICS results in what and what does this imply?
Control of asthma slowly deteriorates, thus, implying that they SUPRESS inflammation and symptoms, but do NOT cure,
Are ICS for immediate/MRGNT use?
NO.
What are the 2 indications for the use of the ICS, Beclomethasone?
- Pts 5YO or older to maintain and prophylact against asthma
- Tx of asthma in pt’s who require ORAL corticosteroid therapy to reduce or eliminate the need for systemic corticosteroids
Which 2 ICS’s require special care if used in pt’s who are transferred from systemically active drugs to less systemically available inhaled drugs which can cause death d/t adrenal insufficiency?
- Beclomethasone
- Triamcinolone
What happens after the withdrawal for systemic corticosteroids?
It takes months for HPA to recover function
What is the indication for use of the ICS, Budesonide?
Pediatric and adults 6YO older to maintenance tx of asthma prophylactic
Which pt’s should the ICS, Budesonide not be used in?
For primary tx of status asthmaticus or other acute episodes of asthma, where intensive measures are needed
- Pts with severe hypersenitivity to milk proteins
What is the indication for use of the ICS, Ciclesonide?
Adolescents and adults 12YO older to maintain tx of asthma prophylactic
When is the ICS, Ciclesonide not indicated for use and should be avoided in the presence of what infection?
- Not indicated for the relief of acute bronchospasm
- Not recommended in presence of Candida albicans infection of the mouth and pharynx, tuberculosis, fungal, bacterial, or parasitic infections
What are the 2 indication for use of the ICS, Flunisolide?
- Maintenance and prophylactic tx of asthma in adults and pt’s ≥6 y/o
- Asthma pt’s needed oral corticosteroid therapy. Adding flunisolide may ↓ or eliminate the need for other oral corticosteroids
Use of the ICS, Flunisolide is contraindicated for use in which pt’s?
Primary tx of status asthmaticus or other acute episodes of asthma where intensive measures are required
- like Budesonide
Indications for Flutacisone
- Maintain and prophylact against asmtha in pts 4 YO or older
- not indicated for
Fluticasone is not indicated for whom?
Can cause what?
- Acute bronchospasms
- Candida albican infection, so monitor pt and tell to wash mouth
ICS are used to maintain asthma and prophalyx in patients ____ old.
- 1. Beclamethosone
- 2. Budesonide
- 3. Ciclesonide
- 4. Flunisolide
- 5. Flutacasone
- 6. Mometasone
- 7. Triamcinolone
Mark which ones have another use
- 1. Beclamethosone: 5 YO and older *
- Budesonide: 6 YO and older
- Ciclesonide: 12 YO and older
- 4. Flunisolide: 6 YO and older *
- Flutacasone: 4 YO and older
- Mometasone: 4 YO and older
- 7. Triamcinolone: ____. *
Which ICS is also used in patients who are require a systemic corticosteroid, where adding could reduce the need for the systemic corticosteroid?
Triamcinelone
Which ICS is also used in patients who are require a oral corticosteroid, where adding could reduce the need for the oral corticosteroid?
Flunisolide
Which ICS is also used in patients who are require a oral corticosteroid, where adding could reduce the need for a systemic corticosteroid?
Beclamethasone
Which 2 ICS used for asthma are contraindicated in pt’s with:
- status asthmaticus or other acute episodes of asthma where intensive measures are required
- pt’s with a known hypersensitivity to milk proteins?
- -Budesonide
- -Mometasone
What systemically less available drugs need to be watched when they are switched to from a systemically available, because the patient can die from adrenal insuffiency?
1. Beclamethosone
2. Triamcinolone
When are oral corticosteroids used for asthma and in conjunction with what other drug class?
With SABA for moderate-severe asthma flare-ups
Which is most lilkely to cause sxs: oral or inhaled corticosteroids?
oral
What is the oral corticosteroid which may be used for moderate to severe asthma flare ups in combo with a short acting beta-agonist?
Prednisone
- -Anti-inflamm/immunosupressive agent
- -Tx endocrine conditions
What should patients of Prednisone be monitored for?
HPA axis supressions
- -Cushings
- -Hyperglycemia
- If sx come about, taper off
What are the 3 leukotriene antagonists used for asthma?
- Montelukast
- Zafirlukast
- Pranulukase
Leukotrient ANT are taken through which hole?
Are ______ and have ________ action.
More or less effective than ICS?
WHAT IS KEY TO THEIR USE?
- Oral
- Bronchodilate and anti-inflammatory action
- Less
- Glucocorticoid sparing; meaning that they potentiate the actions of corticosteroids
*
Why are Leukotriene receptor ANT prescribed for?
how
TREATMENT and PREVENTION of
acute asthmatic attacks
bind to receptor and prevent inflammatory cascade.
What is the MOA of Montelukast?
Binds w/ high affinity and selectivity to the CysLT1 receptor; INHIBITING the physiologic actions of LTD4
Montelukast is primarily prescribed for what?
Treat allergies and prevent asthma attacks
Which leukotriene receptor antagonist used for asthma is associated with hepatotoxicity as an AE?
Zafirlukast
What is Zafirlukast prescribed for?
Prophylaxis and chronic tx of asthma in pts ≥5 y/o
What is Zafirlukast MOA?
Selective and COMPETITIVE leukotriene receptor ANT to LD4 and LE4, components of SRSA (slow-reacting substance anaphalayxis)
What is the MOA of Zileuton?
Inhibitor of 5-lipoxygenase and thus inhibits leukotriene (LTB4, LTC4, LTD4, and LTE4) formation
What is the indication for the use of Zileuton?
Prophylaxis and chronic tx of asthma in pt’s ≥12 y/o; NOT acute asthmatic attacks
Zileuton is not indicated for use in pt’s with what underlying disease/abnormalities?
- Active liver disease
or
- Persistent hepatic function enzymes ≥3x upper limit of norma
What is the MOA of Omalizumab, a monoclonal AB?
- Binds to free IgE, decreasing binding to cell
- Blocks binding to FCεRI, decreases exporesson of these receptors
- Causes ↓ release of mediators from mast cells, basophils, and eosinophils
- Decrease allergic inflammationa and prevents exacerbation of asthma and reduces symptoms
What are the 2 indications for the use of Omalizumab?
- Moderate to severe persistent asthma in pt’s ≥6 y/o w/ (+) skin test or invitro reactivity to perennial aeroallergen and sx’s inadequately controlled w/ ICS
- Chronic idiopathic urticaria in pt’s ≥12 y/o who who dont respond to H1 antihistamine tx
What is a black box warning for Omalizumab?
Administer only in a healthcare setting prepared to manage anaphylaxis that can be life threatening
Pt’s w/ features of both asthma + COPD may benefit from what treatment?
ICS + LABA + LAMA?