Dupixent Study Flashcards
___ % of Americans have asthma representing ___ Americans… ___ adults… ___ children
8.3%
26.5 million (20.4 adults, 6.1 children)
The estimated economic cost of asthma is $___ billion annually.
$56 billion
Asthma is a _____ inflammation of the ____ airways that causes coughing, chest tightness, wheezing or shortness of breath.
chronic
lung
Dupilimab is a human monoclonal antibody in the ______ subclass
igG4
Dupilimab inhibits ___ and ___ __________ by binding to the _____________________
IL4 and IL13 signalling
IL-4 receptor alpha subunit
Dupilimab blocks the shared ____ component of both __ and __ receptors
Il-4Rα
IL-4 and IL-13
Type 2 inflammation involves ________ cells and _______________.
T-helper 2 cells (Th2)
Group 2 Innate Lymphoid Cells (ILC2)
____ cells and ________ produce key cytokines like IL-4, IL-5 and IL-13.
Th2 cells and ILC2
Th2 cells
T Helper 2 Cells
ILC2
Group 2 Innate Lymphoid Cells
IL-5 is crucial for….
eosinophilic development and survival
IL-4, IL-13 and IL-5 are involved in….
eosinophilic trafficking to tissues
Type 2 Inflammation leads to these symptoms and conditions…
- nasal polyps
- loss of smell
- nasal obstruction in CRSwNP
- impaired lung function
- wheezing
- shortness of breath
- chest tightness
- coughing in asthma
Key and central cytokines for type 2 airway diseases include ___ and ____, creating a cyclical effects by upregulating differentiation of ___ and ___ cells
IL 4 and IL 13
Th0 and Th2
In asthma, IL-13 affects ____ and airway smooth _______
________, impacting mucus _________, smooth muscle __________, and basement _________ _____________
goblet and airway smooth muscle cells
Mucus secretion
contractibility
membrane thickening
IL-13 facilitates a_______ o__________ by tethering to ______-producing cells, impairing __________ transport
airway obstruction
mucus
mucociliary
IL-13 upregulates ________________ production in asthma
nitric oxide
FeNO
fractional exhaled nitric oxide
FeNO levels of < 25 of parts per billion (ppb) is considered normal, 25 ppb - 50 ppb as intermediate, and > 50 ppb high
CRSwNP
Chronic Rhinosinusitis with Nasal Polyps
GINA
Global Initiative for Asthma
GINA2021 guidelines outline a stepwise approach from r______ medications to ____ controllers and __________ therapies based on disease severity
reliever
dual
biologic
ICS examples
inhaled corticosteroid
Fluticasone (Flonase, Flovent): Available in various formulations, including Flonase nasal spray for allergic rhinitis and Flovent inhalers for asthma.
Budesonide (Pulmicort): Commonly used for asthma and available as an inhaler or nebulizer solution.
Beclomethasone (Qvar): Another ICS used for the management of asthma.
Mometasone (Asmanex): Available as an inhaler for asthma.
Ciclesonide (Alvesco): An inhaled corticosteroid used for asthma treatment.
ICS-formoterol
Symbicort
ICS + LABA (formoterol)
LABA + example
long acting beta2 agonist
salmaterol
advair - fluticasone/salmeterol)
Serevent (salmeterol as a standalone LABA)