E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
Asthma (an illness that causes breathing difficulty) that is not fully controlled, so that episodes of breathing difficulty are still occuring despite the use of other available treatments
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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 | 19.0 |
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 determine the effect of benralizumab on the time course of change on lung function |
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E.2.2 | Secondary objectives of the trial |
1.To determine time course of effect of benralizumab on blood eosinophils and correlate changes in eosinophil depletion with lung function
2. To determine the effect of benralizumab on the time course of change and maintenance on lung function
3. To determine the time course of the effect of benralizumab on asthma control metrics
4. To determine the time course of effect of benralizumab on health related quality of life
5. To determine the effect of benralizumab on the time course of change in exhaled nitric oxide (FeNO)
6. To evaluate the pharmacokinetics and immunogenicity of benralizumab
7. To assess the safety and tolerability of benralizumab
8. To evaluate patient impression of overall asthma severity and overall change from baseline as reported by the patient and clinician |
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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 |
Body plethysmography sub-study. No separate title defined in the main protocol body.
Primary objective: effect of benralizumab on the time course of change in lung function as assessed through body plethysmography. Outcome measure: Residual volume (RV)
Secondary objective: effect of benralizumab on the time course of change in lung function as assessed through body plethysmography. Outcome measures: Total lung capacity (TLC), RV/TLC ratio, Inspiratory capacity (IC), Functional residual capacity (FRC), Vital capacity (VC), Specific airway resistance (SGaw), Airway resistance (Raw) |
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E.3 | Principal inclusion criteria |
1. Written informed consent for study participation obtained prior to any study related procedures being performed and according to international guidelines
2. Female and male patients aged 18 to 75 years, inclusively at Visit 1.
3. Documented history of current treatment with ICS and LABA for at least 30 days before Visit 1
4. History of at least 2 asthma exacerbation that required treatment with systemic corticosteroids in the 12 months prior to Visit 1.
5. Pre-bronchodilator (pre-BD) FEV1 of < 80% predicted at Visit 2 or Visit 3
6. ACQ-6 score≥ 1.5 at Visit 1
7. Evidence of asthma as documented by airway reversibility (FEV1 ≥12% and 200 ml) demonstrated at Visit 1, Visit 2 or Visit 3. For patients in the body plethysmography substudy, reversibility to be demonstrated at Visit 1 or at Visit 2 only
8. Peripheral blood eosinophil count of ≥300 cells/μL assessed by central lab at Visit 1
9. Women of childbearing potential (WOCBP) must use an effective form of birth control
10. All sexually active male patients must agree to use a double barrier method of contraception from the first dose of IP until 16 weeks after their last dose
11. Weight of ≥40 kg
Inclusion criteria at randomization Visit 4:
1. At least one of the following within 7 days prior to randomization:
- Daytime or nighttime asthma symptom for 2 or more days;
- Rescue SABA use on at least 2 days
- Nighttime awakenings due to asthma at least 1 night during the 7-day period
2. ACQ >0.75 at Visit 4 prior to randomisation
3. A negative urine pregnancy test in WOCBP prior to administration of IP
Additional inclusion criteria applicable for the Body Plethysmography substudy:
1. Residual volume ≥125% of predicted at Visit 3
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E.4 | Principal exclusion criteria |
1. Clinically important pulmonary disease other than asthma (e.g. active lung infection, COPD, bronchiectasis, pulmonary fibrosis, cystic fibrosis, hypoventilation syndrome associated with obesity, lung cancer, alpha 1 anti-trypsin deficiency, and primary ciliary dyskinesia) or ever been diagnosed with pulmonary or systemic disease, other than asthma, that are associated with elevated peripheral eosinophil counts (e.g. allergic bronchopulmonary aspergillosis/mycosis, Churg-Strauss syndrome, hypereosinophilic syndrome)
2. Life-threatening asthma within the 12 months prior to Visit 1
3. Acute upper or lower respiratory infections requiring antibiotics or antiviral medication within 30 days prior to the date informed consent is obtained or during the screening/run-in period
4. An upper respiratory tract infection or an asthma exacerbation that required treatment with systemic corticosteroids or an increase in regular maintenance dose of OCS during the screening/run-in period prior to randomisation Visit 4
5. Any disorder, including, but not limited to, cardiovascular, gastrointestinal, hepatic, renal, neurological, musculoskeletal, infectious, endocrine, metabolic, haematological, psychiatric, or major physical impairment that is not stable in the opinion of the Investigator and could affect the safety of the patient throughout the study, influence the findings of the studies or their interpretations or impede the patient’s ability to complete the entire duration of study
6. Known history of allergy or reaction to any component of the investigational product formulation
7. History of anaphylaxis to any biologic therapy
8. History of Guillain-Barré syndrome
9. A helminth parasitic infection diagnosed within 24 weeks prior to the date informed consent is obtained that has not been treated with, or has failed to respond to standard of care therapy
10. Any clinically significant abnormal findings in physical examination, vital signs, hematology, clinical chemistry, or urinalysis during screening period, which in the opinion of the Investigator, may put the patient at risk because of his/her participation in the study, or may influence the results of the study, or the patient’s ability to complete entire duration of the study
11. Any clinically significant cardiac disease or any electrocardiogram (ECG) abnormality obtained during the screening/run-in period, which in the opinion of the Investigator may put the patient at risk or interfere with study assessments
12. History of alcohol or drug abuse within 12 months prior to the date informed consent is obtained
13. Positive hepatitis B surface antigen, or hepatitis C virus antibody serology, or a positive medical history for hepatitis B or C. Patients with a history of hepatitis B vaccination without history of hepatitis B are allowed to enrol
14. A history of known immunodeficiency disorder including a positive human immunodeficiency virus (HIV) test
15. Current smokers or former smokers with a smoking history of ≥10 pack years
16. Current malignancy, or history of malignancy, except for:
- Patients who have had basal cell carcinoma, localized squamous cell carcinoma of the skin or in situ carcinoma of the cervix are eligible provided that the patient is in remission and curative therapy was completed at least 12 months prior to the date informed consent was obtained.
- Patients who have had other malignancies are eligible provided that the patient is in remission and curative therapy was completed at least 5 years prior to the date informed consent was obtained
17. Use of immunosuppressive medication within 3 months prior to the date informed consent
18. Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) level ≥1.5 times the upper limit of normal (ULN) confirmed during screening period.
19. Receipt of immunoglobulin or blood products within 30 days prior to the date informed consent is obtained
20. Receipt of any marketed (eg, omalizumab, mepolizumab etc.) or investigational biologic within 4 months or 5 half-lives prior to the date informed consent is obtained, whichever is longer
21. Receipt of live attenuated vaccines 30 days prior to the date of randomization.
22. Receipt of any investigational medication within 30 days or 5 half-lives prior to randomization, whichever is longer
Exclusion criteria at randomization Visit 4
1. Greater than/equal to 20% change in mean Pre BD FEV1 value (mean of the Pre BD FEV1 taken 30 min (+/- 10 min) and 60 min (+/- 10 min) prior to dosing) at randomization Visit 4 from the mean pre BD FEV1 calculated from the pre BD FEV1 recorded at Visit 2 and Visit 3
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E.5 End points |
E.5.1 | Primary end point(s) |
Change from baseline to end of treatment between benralizumab and placebo in pre-BD FEV1.
Body plethysmograpfy sub-group primary endpoint:
1. Change from baseline to end of treatment in Residual volume (RV) compared to placebo
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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) |
1. Change from baseline in blood eosinophils (from hematology) to end of treatment
2. Change from baseline in pre-BD FEV1 at all clinic visits compared to placebo
3. Change from baseline in pre-BD forced vital capacity (FVC) at all clinic visits compared to placebo
4. Change from baseline in ACQ-6 score at all post-baseline assessment timepoints
5. Change from baseline in SGRQ score at all postbaseline assessment timepoints
6. FeNO (ppb)
7. Serum PK and anti-drug antibodies
8. AEs, SAEs, laboratory variables, physical examination
9. CGIC, PGI-S and PGIC assessments
Body plethysmograpfy sub-group secondary endpoints:
1. Change from baseline to end of treatment in the following measures compared to placebo :
-Total lung capacity (TLC)
-RV/TLC ratio
-Inspiratory capacity (IC)
-Functional residual capacity (FRC)
-Vital capacity (VC) |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
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 | 9 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 23 |
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 |
Chile |
Germany |
Hungary |
Korea, Republic of |
Philippines |
United States |
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E.8.7 | Trial has a data monitoring committee | No |
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 | 1 |
E.8.9.1 | In the Member State concerned months | 2 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 2 |