Actively Recruiting

Phase 3
Age: 5Years - 11Years
All Genders
NCT06023589

A Study to Investigate the Efficacy and Safety of Tezepelumab Compared With Placebo in Children 5 to < 12 Years Old With Severe Asthma

Led by AstraZeneca · Updated on 2026-04-30

231

Participants Needed

143

Research Sites

365 weeks

Total Duration

On this page

Sponsors

A

AstraZeneca

Lead Sponsor

A

Amgen

Collaborating Sponsor

AI-Summary

What this Trial Is About

To assess the efficacy and safety of tezepelumab in pediatric participants with severe uncontrolled asthma on medium to high-dose inhaled corticosteroids (ICS) and at least one additional asthma controller medication with or without oral corticosteroids.

CONDITIONS

Official Title

A Study to Investigate the Efficacy and Safety of Tezepelumab Compared With Placebo in Children 5 to < 12 Years Old With Severe Asthma

Who Can Participate

Age: 5Years - 11Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Written informed consent from a parent or caregiver and assent from the child when appropriate
  • Age between 5 and under 12 years at time of consent and assent
  • Physician-diagnosed severe asthma for at least 6 months before screening
  • On a stable medium or high daily dose of inhaled corticosteroids for at least 3 months prior to screening
  • Using at least one additional maintenance asthma controller medication for at least 3 months prior to screening
  • Evidence of asthma confirmed by lung function tests or other clinical measures
  • History of at least 2 severe asthma exacerbations or 1 exacerbation leading to hospitalisation in the past 12 months
  • Pre-bronchodilator lung function showing FEV1 over 50% and up to 95% predicted or FEV1/FVC ratio 0.85 or less at screening
  • Evidence of uncontrolled asthma based on asthma control questionnaire scores, reliever medication use, or asthma symptoms during screening
  • Body weight of at least 16 kg at screening and randomisation
Not Eligible

You will not qualify if you...

  • History of vocal cord dysfunction, cystic fibrosis, primary ciliary dyskinesia, or chronic rhinosinusitis with nasal polyposis
  • Any other clinically significant disease or disorder that may risk participant safety or affect study results
  • Recent worsening of asthma or exacerbation requiring systemic corticosteroids within 30 days before screening
  • Change in inhaled corticosteroid dose within 1 month prior to screening
  • History of life-threatening asthma exacerbation causing hypoxic seizure or requiring intubation

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 143 locations

1

Research Site

Montgomery, Alabama, United States, 36106

Actively Recruiting

2

Research Site

Phoenix, Arizona, United States, 85016

Actively Recruiting

3

Research Site

Little Rock, Arkansas, United States, 72202

Withdrawn

4

Research Site

La Jolla, California, United States, 92037

Actively Recruiting

5

Research Site

Long Beach, California, United States, 90806

Not Yet Recruiting

6

Research Site

Orange, California, United States, 92868

Withdrawn

7

Research Site

San Diego, California, United States, 92123

Actively Recruiting

8

Research Site

Atlanta, Georgia, United States, 30322

Actively Recruiting

9

Research Site

Savannah, Georgia, United States, 31406

Terminated

10

Research Site

Baltimore, Maryland, United States, 21287

Not Yet Recruiting

11

Research Site

Boston, Massachusetts, United States, 02114

Actively Recruiting

12

Research Site

Boston, Massachusetts, United States, 02115

Actively Recruiting

13

Research Site

Ann Arbor, Michigan, United States, 48105

Terminated

14

Research Site

Detroit, Michigan, United States, 48201

Actively Recruiting

15

Research Site

Northfield, New Jersey, United States, 08225

Actively Recruiting

16

Research Site

Hawthorne, New York, United States, 10532

Not Yet Recruiting

17

Research Site

Schenectady, New York, United States, 12304

Withdrawn

18

Research Site

Staten Island, New York, United States, 10305

Actively Recruiting

19

Research Site

Chapel Hill, North Carolina, United States, 27514

Actively Recruiting

20

Research Site

Cincinnati, Ohio, United States, 45229-3039

Actively Recruiting

21

Research Site

Cleveland, Ohio, United States, 44106

Actively Recruiting

22

Research Site

Toledo, Ohio, United States, 43617

Actively Recruiting

23

Research Site

Oklahoma City, Oklahoma, United States, 73120

Actively Recruiting

24

Research Site

Columbia, South Carolina, United States, 29203

Withdrawn

25

Research Site

Coppell, Texas, United States, 75019

Terminated

26

Research Site

Dallas, Texas, United States, 75246

Actively Recruiting

27

Research Site

Frisco, Texas, United States, 75034

Withdrawn

28

Research Site

Houston, Texas, United States, 77030

Not Yet Recruiting

29

Research Site

San Antonio, Texas, United States, 78249

Actively Recruiting

30

Research Site

Temple, Texas, United States, 76508

Withdrawn

31

Research Site

Buenos Aires, Argentina, 1426

Actively Recruiting

32

Research Site

Buenos Aires, Argentina, C1121ABE

Actively Recruiting

33

Research Site

Buenos Aires, Argentina, C1122

Actively Recruiting

34

Research Site

CABA, Argentina, C1028AAP

Terminated

35

Research Site

Florida, Argentina, B1602DQD

Actively Recruiting

36

Research Site

Lanus, Argentina, B1824KAJ

Actively Recruiting

37

Research Site

Lobos, Argentina, 7240

Actively Recruiting

38

Research Site

Mendoza, Argentina, M5500CCG

Actively Recruiting

39

Research Site

Quilmes, Argentina, B1878FNR

Terminated

40

Research Site

Rosario, Argentina, 2000

Actively Recruiting

41

Research Site

Blumenau, Brazil, 89030-101

Actively Recruiting

42

Research Site

Curitiba, Brazil, 80060-240

Actively Recruiting

43

Research Site

Salvador, Brazil, 40060-330

Withdrawn

44

Research Site

São Paulo, Brazil, 01227-200

Actively Recruiting

45

Research Site

São Paulo, Brazil, 04024-002

Actively Recruiting

46

Research Site

São Paulo, Brazil, 05430-010

Actively Recruiting

47

Research Site

Sorocaba, Brazil, 18040-425

Actively Recruiting

48

Research Site

Edmonton, Alberta, Canada, T6G 1C9

Actively Recruiting

49

Research Site

Burlington, Ontario, Canada, L7L 6W6

Actively Recruiting

50

Research Site

Hamilton, Ontario, Canada, L8S 1G5

Actively Recruiting

51

Research Site

Windsor, Ontario, Canada, N8X 2G1

Actively Recruiting

52

Research Site

Montreal, Quebec, Canada, H4A 3J1

Actively Recruiting

53

Research Site

Beijing, China, 100191

Actively Recruiting

54

Research Site

Changchun, China, 130021

Actively Recruiting

55

Research Site

Lanzhou, China, 730000

Actively Recruiting

56

Research Site

Nanjing, China, 210008

Actively Recruiting

57

Research Site

Shanghai, China, 200062

Actively Recruiting

58

Research Site

Shanghai, China, 200127

Withdrawn

59

Research Site

Shenyang, China, 110004

Actively Recruiting

60

Research Site

Shenzhen, China, 518026

Actively Recruiting

61

Research Site

Wuxi, China, 214023

Actively Recruiting

62

Research Site

Bogotá, Colombia, 110231

Withdrawn

63

Research Site

Bogotá, Colombia

Withdrawn

64

Research Site

Medellín, Colombia, 050034

Withdrawn

65

Research Site

Brest, France, 29609

Actively Recruiting

66

Research Site

Bron, France, 69500

Suspended

67

Research Site

Créteil, France, 94010

Actively Recruiting

68

Research Site

Marseille, France, 13005

Actively Recruiting

69

Research Site

Paris, France, 75012

Actively Recruiting

70

Research Site

Paris, France, 75015

Actively Recruiting

71

Research Site

Paris, France, 75019

Actively Recruiting

72

Research Site

Rouen, France, 76031

Actively Recruiting

73

Research Site

Vandœuvre-lès-Nancy, France, 54511

Actively Recruiting

74

Research Site

Debrecen, Hungary, 4031

Actively Recruiting

75

Research Site

Szeged, Hungary, 6720

Actively Recruiting

76

Research Site

Szigetvár, Hungary, 7900

Actively Recruiting

77

Research Site

Genova, Italy, 16147

Actively Recruiting

78

Research Site

Pavia, Italy, 27100

Actively Recruiting

79

Research Site

Roma, Italy, 00165

Not Yet Recruiting

80

Research Site

Fukuoka, Japan, 811-1394

Actively Recruiting

81

Research Site

Fukuoka, Japan, 813-0017

Actively Recruiting

82

Research Site

Fukuyama, Japan, 720-8520

Actively Recruiting

83

Research Site

Funabashi-shi, Japan, 273-8588

Actively Recruiting

84

Research Site

Nara, Japan, 630-8581

Actively Recruiting

85

Research Site

Odawara, Japan, 250-0055

Actively Recruiting

86

Research Site

Ōtsu, Japan, 520-0804

Actively Recruiting

87

Research Site

Saga, Japan, 840-8571

Actively Recruiting

88

Research Site

Shimotsuga-gun, Japan, 321-0293

Actively Recruiting

89

Research Site

Yokohama, Japan, 223-0059

Withdrawn

90

Research Site

Chihuahua City, Mexico, 31000

Actively Recruiting

91

Research Site

Guadalajara, Mexico, 44100

Actively Recruiting

92

Research Site

Mexico City, Mexico, 06100

Not Yet Recruiting

93

Research Site

Veracruz, Mexico, 91910

Actively Recruiting

94

Research Site

Amsterdam, Netherlands, 1105 AZ

Actively Recruiting

95

Research Site

Rotterdam, Netherlands, 3015 GD

Actively Recruiting

96

Research Site

Iloilo City, Philippines, 5000

Actively Recruiting

97

Research Site

Las Piñas, Philippines, 1740

Actively Recruiting

98

Research Site

Quezon, Philippines, 1100

Actively Recruiting

99

Research Site

Santa Rosa, Philippines, 4026

Actively Recruiting

100

Research Site

Lodz, Poland, 90-329

Actively Recruiting

101

Research Site

Tarnów, Poland, 33-100

Actively Recruiting

102

Research Site

Bucharest, Romania, 020395

Actively Recruiting

103

Research Site

Bucharest, Romania, 050159

Actively Recruiting

104

Research Site

Bellville, South Africa, 7531

Actively Recruiting

105

Research Site

Cape Town, South Africa, 7925

Actively Recruiting

106

Research Site

Durban, South Africa, 3630

Actively Recruiting

107

Research Site

Durban, South Africa, 4001

Actively Recruiting

108

Research Site

Middelburg, South Africa, 1055

Completed

109

Research Site

Thabazimbi, South Africa, 0380

Withdrawn

110

Research Site

Vereeniging, South Africa, 1935

Actively Recruiting

111

Research Site

Welkom, South Africa, 9460

Actively Recruiting

112

Research Site

Seongnam-si, South Korea, 13496

Withdrawn

113

Research Site

Seongnam-si, South Korea, 13620

Actively Recruiting

114

Research Site

Seoul, South Korea, 03181

Actively Recruiting

115

Research Site

Seoul, South Korea, 03722

Actively Recruiting

116

Research Site

Badalona, Spain, 08916

Actively Recruiting

117

Research Site

Barcelona, Spain, 08035

Actively Recruiting

118

Research Site

Esplugues de Llobregat (Barc), Spain, 08950

Actively Recruiting

119

Research Site

Madrid, Spain, 28009

Actively Recruiting

120

Research Site

Sabadell, Spain, 08208

Actively Recruiting

121

Research Site

Valencia, Spain, 46010

Actively Recruiting

122

Research Site

Valencia, Spain, 46026

Withdrawn

123

Research Site

Villarreal, Spain, 12540

Actively Recruiting

124

Research Site

Bangkok, Thailand, 10330

Not Yet Recruiting

125

Research Site

Bangkoknoi, Thailand, 10700

Not Yet Recruiting

126

Research Site

Chiang Mai, Thailand, 50200

Not Yet Recruiting

127

Research Site

Muang, Thailand, 40002

Actively Recruiting

128

Research Site

Bursa, Turkey (Türkiye), 16059

Actively Recruiting

129

Research Site

Istanbul, Turkey (Türkiye), 34899

Actively Recruiting

130

Research Site

Izmir, Turkey (Türkiye), 35210

Actively Recruiting

131

Research Site

Yenimahalle, Turkey (Türkiye), 06500

Not Yet Recruiting

132

Research Site

Chernivtsi, Ukraine, 58002

Actively Recruiting

133

Research Site

Ivano-Frankivsk, Ukraine, 76000

Actively Recruiting

134

Research Site

Kyiv, Ukraine, 03038

Actively Recruiting

135

Research Site

Kyiv, Ukraine, 04050

Actively Recruiting

136

Research Site

Birmingham, United Kingdom, B4 6NH

Actively Recruiting

137

Research Site

Bradford, United Kingdom, BD9 6RJ

Actively Recruiting

138

Research Site

Bristol, United Kingdom, BS2 8BJ

Actively Recruiting

139

Research Site

Glasgow, United Kingdom, G3 8SJ

Withdrawn

140

Research Site

Leicester, United Kingdom, LE1 5WW

Actively Recruiting

141

Research Site

London, United Kingdom, SE5 9RS

Actively Recruiting

142

Research Site

Nottingham, United Kingdom, NG7 2UH

Actively Recruiting

143

Research Site

Stoke-on-Trent, United Kingdom, ST4 6QG

Actively Recruiting

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Research Team

A

AstraZeneca Clinical Study Information Center

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

TRIPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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