ENHANCE-1 Phase 3 data

December 2022

Nasdaq: VRNA | www.veronapharma.com

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2

Pivotal Phase 3 program

Two efficacy and safety studies: ENHANCE-1 and ENHANCE-2

Ensifentrine as a Novel inHAled Nebulized COPD thErapy in moderate to severe COPD

Ensifentrine

Long-term safety

ENHANCE-1

3mg BID N=500

N=300

N=800

Reporting today

Placebo BID N=300

Long-term safety

N=100

Ensifentrine

ENHANCE-2

3mg BID N=500

Reported in

August 2022

N=800

Placebo BID N=300

24 Weeks

48 Weeks

3

Patient population:

  • LAMA or LABA background allowed (approx. 50% of trial population) and ICS (approx. 20% of population)
  • 30-70%predicted FEV1
  • Symptomatic (mMRC ≥ 2)

Additional information:

  • Long-termsafety in ENHANCE-1
  • Sites in North America, Europe and Asia

ENHANCE-1 baseline characteristics

Demographics and baseline characteristics well balanced between groups

Parameter

Ensifentrine

Placebo

Total

n=479

n=284

n=763

Age, mean (SD)

65.1 (7.1)

64.9 (7.7)

65.0 (7.4)

Gender, % Male, n (%)

275 (57.4)

167 (58.8)

442

(57.9)

Moderate / Severe COPD, n (%)

295 (61.6) / 180 (37.6)

164 (57.7) / 119 (41.9)

459 (60.2) / 299 (39.2)

Mild / Very Severe COPD, n (%)

1 (0.2) / 3 (0.6)

0 / 0

1 (0.1) / 3 (0.4)

% Predicted FEV1 mean, (SD)

52.9 (10.3)

51.7 (10.6)

52.5 (10.4)

% with Chronic Bronchitis, n (%)

387 (80.8)

216 (76.1)

603

(79.0)

% Current Smokers, n (%)

269 (56.2)

164 (57.7)

433

(56.7)

Background Meds: Yes, n (%)

318 (66.4)

185 (65.1)

503

(65.9)

LAMA

138 (28.8)

71

(25.0)

209

(27.4)

LAMA/ICS

4 (0.8)

3

(1.1)

7 (0.9)

LABA

89 (18.6)

45

(15.8)

134

(17.6)

LABA/ICS

87 (18.2)

66

(23.2)

153

(20.1)

E-RS Baseline, mean (SD)

14.1 (6.8)

13.3 (6.1)

--

SGRQ Baseline, mean (SD)

48.1 (18.3)

46.9 (17.1)

--

4

Phase 3 ENHANCE-1 data on file

Primary endpoint met in Phase 3 ENHANCE-1

Significant and clinically meaningful improvements in lung function at Week 12

N=760

+147 mL (p<0.0001) peak FEV1

vs placebo

FEV mean change from baseline, mL 1

130

80

30

-20

-70

+87 mL (p<0.0001) average FEV1 AUC over 12 hours

vs placebo

+35 mL (p=0.0421) morning trough FEV1 Ensifentrine 3 mg vs placebo

placebo

0

1

2

3

4

5

6

7

8

9

10

11

12

Time post dose, h

Ensifentrine 3 mg

placebo

5

Phase 3 ENHANCE-1 data on file

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Verona Pharma plc published this content on 20 December 2022 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 20 December 2022 14:48:04 UTC.