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Table 2 Estimation of patients with severe uncontrolled asthma in Italy, by dupilumab eligibility [29]

From: Defining type 2 asthma and patients eligible for dupilumab in Italy: a biomarker-based analysis

#

Patient subgroup°

Proportion of pts (%)

EOS ≥ 150 cells/μL

FeNO ≥ 25 ppb

IgE ≥ 30 IU/mL*

Dupilumab-eligible

Number of eligible pts (N)

-

All patients

100.0%

n/a

n/a

n/a

n/a

19,960

1

EOS ≥ 150 cells/μL and FeNO ≥ 25 ppb and IgE ≥ 30 IU/mL

24.8%

✔

✔

✓

Yes

4950

2

EOS ≥ 150 cells/μL and FeNO < 25 ppb and IgE ≥ 30 IU/mL

16.7%

✔

 

✓

Yes

3333

3

EOS < 150 cells/μL and FeNO ≥ 25 ppb and IgE ≥ 30 IU/mL

5.7%

 

✔

✓

Yes

1138

4

EOS ≥ 150 cells/μL and FeNO ≥ 25 ppb and IgE < 30 IU/mL

16.8%

✔

✔

 

Yes

3353

5

EOS ≥ 150 cells/μL and FeNO < 25 ppb and IgE < 30 IU/mL

13.2%

✔

  

Yes

2635

6

EOS < 150 cells/μL and FeNO ≥ 25 ppb and IgE < 30 IU/mL

2.9%

 

✔

 

Yes

579

7

EOS < 150 cells/μL and FeNO < 25 ppb and IgE ≥ 30 IU/mL

(10.5%)

  

✓

No

(2096)

8

EOS < 150 cells/μL and FeNO < 25 ppb and IgE < 30 IU/mL

(9.4%)

   

No

(1876)

-

All dupilumab-eligible patients

80.1%

n/a

n/a

n/a

Yes

15,988

  1. EOS eosinophils, FeNO fractional exhaled nitric oxide, IgE immunoglobulin E, n/a not available, pts patients
  2. °Biomarkers of interest (EOS â‰¥ 150 cells/μL and FeNO â‰¥ 25 ppb) are indicated in bold. *IgE biomarker was evaluated in the QUEST trial; however, IgE alone is not a biomarker to define eligibility for dupilumab. (dupilumab is indicated in Type 2 asthma patients, characterized by raised blood eosinophils and/or raised fractional exhaled nitric oxide, regardless of IgE levels)