IGA assesses the overall severity of the clinical signs of atopic dermatitis3

A 0- to 4-point scoring system of the overall severity of atopic dermatitis skin lesions3


4

Severe
Disease

Severe erythema and severe
papulation/infiltration

3

Moderate
Disease

Moderate erythema and moderate
papulation/infiltration

2

Mild
Disease

Mild erythema and mild
papulation/infiltration

1

Almost
Clear

Just perceptible erythema, and
just perceptible papulation/infiltration

0

Clear
 

No inflammatory signs of atopic dermatitis 

A clinical responder
was defined as a
patient achieving
IGA 0 or 1 and at least a
2-point improvement
from baseline1

IGA, Investigator's Global Assessment.
Example representation of IGA scoring.
Not an actual patient.