E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Severe uncontrolled Asthma |
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E.1.1.1 | Medical condition in easily understood language |
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E.1.1.2 | Therapeutic area | Diseases [C] - Respiratory Tract Diseases [C08] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10003553 |
E.1.2 | Term | Asthma |
E.1.2 | System Organ Class | 10038738 - Respiratory, thoracic and mediastinal disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess the effect of tezepelumab SC Q4W on asthma exacerbations in adult and adolescent subjects with severe uncontrolled asthma compared with placebo. |
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E.2.2 | Secondary objectives of the trial |
1) To assess the effect of tezepelumab SC Q4W on:
a) pulmonary function compared with placebo.
b) health status/health related quality of life compared with placebo.
c) asthma control compared with placebo.
d) asthma symptoms compared with placebo.
Other Secondary objectives:
1) To assess the effect of tezepelumab SC Q4W on:
a) other endpoints associated with asthma exacerbations.
b) biomarkers.
c) other asthma control metrics.
d) general health-related quality of life.
e) patient (PGI-C and PGI-S) and clinician impression of overall asthma severity (CGI-C).
2) To evaluate the effect of tezepelumab SC Q4W compared with placebo on health resource utilization and productivity loss due to asthma.
3) To evaluate the pharmacokinetics (PK) and immunogenicity of tezepelumab. |
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
A Multcentre, Randomized, Double-Blind, Placebo Controlled, Parallel Group. Phase 3 Study to Evaluate the Efficacy and Safety of Tezepelumab in Adults and Adolescents with Severe Uncontrolled Asthma (NAVIGATOR)
1) Exploratory Objective: To explore the effect of tezepelumab SC Q4W on disease activity.
Endpoint/variable: Domiciliary FENO in a subset of subjects.
2) Exploratory Objective: To explore the relationships between T helper cells in blood and exposure/response to tezepelumab.
Endpoint/variable: Enumerate Th1, Th2, Th17 cells in whole blood by flow cytometry. |
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E.3 | Principal inclusion criteria |
1) Provision of signed and dated informed consent prior to any mandatory study specific procedures, sampling and analyses.
2) Subjects must be 12 to 80 years of age inclusive at the time of signing the informed consent form.
3) Documented physician-diagnosed asthma for at least 12 months prior to Visit 1.
4) Subjects who have received a physician-prescribed asthma controller medication with medium or high dose ICS for at least 12 months prior to Visit 1.
5) Documented treatment with a total daily dose of either medium or high dose ICS (>= 500 ug fluticasone proprionate dry powder formulation equivalent total daily dose) for at least 3 months prior to Visit 1.
6) At least one additional maintenance asthma controller medication is require according to standard practice of care, eg. LABA, LTRA, theophylline, LAMA, cromones etc. Use of additional asthma controller medications must be document for at least 3 months prior to Visit 1.
7) Morning pre-BD FEV1 <80% predicted normal (<90% for subjects 12-17 years of age) at either Visit 2 or Visit 2a.
8) Evidence of asthma as documented by either i) Documented historical reversibility of FEV1 >=12% and >=200 mL in the previous 12 months prior to Visit 1 OR ii) Post-BD (albuterol/salbutamol) reversibility of FEV1 >=12% and >=200 mL during screening at either Visit 2 or Visit 2a.
9) ACQ-6 score >=1.5 at screening and randomization.
10) Documented history of at least 2 asthma exacerbation events within 12 months prior to Visit 1. |
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E.4 | Principal exclusion criteria |
1) Any clinically important pulmonary disease other than asthma.
2) History of cancer.
3) History of clinically significant infection, including upper (URTI) or lower respiratory tract infection (LRTI), requiring treatment with antibiotics or antiviral medications finalized <2 weeks before Visit 1 or during the run-in period.
4) Current smokers or subjects with smoking history >=10 pack-years and subjects using vaping products, including electronic cigarettes. Former smokers with a smoking history of <10 pack years and users of vaping or e-cigarette products must have stopped for at least 6 months prior to Visit 1.
5) History or chronic alcohol or drug abuse within 12 months prior to Visit 1.
6) Tuberculosis requiring treatment within 12 months prior to Visit 1.
7) History of known immunodeficiency disorder including a positive human immunodeficiency virus (HIV) test at Visit 1, or the subject taking antiretroviral medications as determined by medical history and/or subject's verbal report.
8) History of anaphylaxis or documented immune complex disease (Type III hypersensitivity reactions) following any biological therapy.
9) Subject randomized in the current study or previous tezepelumab studies.
10) Treatment with the following medications within the last 12 weeks prior to randomization: Systemic immunosuppressive/immunomodulating drugs (e.g. methotrexate, cyclosporine, etc) except for OCS used in the treatment of asthma/asthma exacerbations. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Primary endpoint: Annualized asthma exacerbation rate (AAER). |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Key Secondary endpoints:
1) Change from baseline in the pre-dose/pre-bronchodilator (pre-BD) forced expiratory volume in 1 second (FEV1).
2) Change from baseline in Standardized Asthma Quality of Life Questionnaire for 12 years and older (AQLQ(S)+12) total score.
3) Change from baseline in Asthma Control Questionnaire-6 (ACQ-6) score.
4) Change from baseline in weekly mean daily Asthma Symptom Diary score.
Other Secondary endpoints:
1) Time to first asthma exacerbation. b) Proportion of subjects with >=1 asthma exacerbation. c) Annualized rate of exacerbations associated with emergency room visit, urgent care visit, or hospitalization.
2) Change from baseline in fractional exhaled nitric oxide FENO (ppb), peripheral blood eosinophils and total serum IgE.
3) Change from baseline in weekly mean rescue medication use, weekly mean morning and evening peak expiratory flow (PEF), and weekly mean number of night time awakenings.
4) Asthma specific resource utilization (eg. unscheduled physician visits, unscheduled phone calls to physicians, use of other asthma medications). Work Productivity and Activity Impairment, Questionnaire and Classroom Impairment Questionnaire (WPAI+CIQ) score.
5) PK: Serum trough concentrations; Immunogenicity: Incidence of antidrug antibodies.
6) European Quality of Life - 5 Dimensions 5 Levels Questionnaire (EQ-5D-5L) score.
7) Patient Global Impression of Change/Severity (PGI-C, PGI-S) and Clinician Global Impression of Change (CGI-C). |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Key Secondary endpoints:
1) Baseline, Week 52
2) Baseline, Week 52
3) Baseline, Week 52
4) Baseline, Week 52
Other Secondary endpoints:
1) Baseline to Week 52
2) Baseline, Week 52
3) Baseline, Week 52
4) Week 52
5) Baseline to Week 52
6) Week 52
7) Week 52 |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | Yes |
E.6.11 | Pharmacogenomic | Yes |
E.6.12 | Pharmacoeconomic | Yes |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 16 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 33 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Argentina |
Australia |
Austria |
Brazil |
Canada |
China |
France |
Germany |
Israel |
Japan |
Korea, Republic of |
Russian Federation |
Saudi Arabia |
South Africa |
Taiwan |
Ukraine |
United Kingdom |
United States |
Vietnam |
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E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 7 |
E.8.9.1 | In the Member State concerned days | 16 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 11 |
E.8.9.2 | In all countries concerned by the trial days | 19 |