| Eligibility |
Main phase:
Inclusion Criteria:
1. Informed consent: Subject's written informed consent obtained prior to any study
related procedures;
2. Sex and age: Male or female subjects aged = 18 and = 75 years;
3. Diagnosis of asthma: A documented diagnosis of persistant asthma for at least 1 year
according to GINA recommendations (Box 1-2, GINA report 2021), and with diagnosis
before the subject's age of 40 years;
4. Stable asthma therapy: a stable treatment with medium dose of Inhaled corticosteroids
(ICS) (extrafine BDP daily dose > 200 and =400 µg or estimated clinically comparable
dose, as described in GINA 2021 box 3-6) plus a long-acting ß2-agonist (LABA)
(formoterol 24 µg or salmeterol 100 µg or vilanterol 25 µg or other approved dose of
LABA as clinically comparable to the others) for at least 4 weeks prior to screening;
5. Lung function: A pre bronchodilator FEV1 < 80% of the predicted normal value, after
appropriate washout from bronchodilators, at the screening and randomization visits;
6. Bronchodilator responsiveness: A demonstrated increase in FEV1 > 12% and > 200 mL over
baseline within 30 minutes after inhaling 400 µg of salbutamol pMDI (based on ATS/ERS
guidelines);
7. A Post-bronchodilator FEV1/FVC ratio = 0.5 within 30 minutes after inhaling 400 µg of
salbutamol pMDI at screening (based on ATS/ERS guidelines);
8. Poor Asthma control: Evidence of poorly controlled or uncontrolled asthma as based on
an Asthma Control Questionnaire© (ACQ-7) score = 1.5 at screening and at
randomization;
9. History of asthma exacerbations: A documented history of one or more asthma
exacerbations requiring treatment with systemic corticosteroids or emergency
department visit or inpatient hospitalization in the last 3 years prior to screening;
10. A willingness and ability:
- to correctly use the pMDI inhalers;
- to perform all trial related procedures including technically acceptable
pulmonary function tests;
- to correctly use the e-Diary/e-Peak flow meter.
11. Female subjects:
a. Woman of Childbearing Potential (WOCBP) fulfilling one of the following criteria:
i. WOCBP with fertile male partners: they and/or their partner must be willing to use
a highly effective birth control method from the signature of the informed consent and
until the follow-up call or ii. WOCBP with non-fertile male partners (contraception is
not required in this case).
or b. Female patient of non-childbearing potential defined as physiologically incapable of
becoming pregnant (i.e. post-menopausal or permanently sterile. Tubal ligation or partial
surgical interventions are not acceptable. If indicated, as per investigator's request,
post-menopausal status may be confirmed by follicle-stimulating hormone levels (according
to local laboratory ranges).
Main phase:
Exclusion Criteria:
1. Pregnant or lactating woman where pregnancy is defined as the state of a female after
conception and until termination of the gestation, confirmed by a positive pregnancy
test (serum pregnancy test to be performed at screening visit and urine pregnancy test
to be performed prior to randomization);
2. Run-in compliance to study drug and e-Diary completion < 50% at randomization;
3. History of "high risk" asthma: History of near fatal asthma or hospitalization for
asthma in intensive care unit which, in the judgement of the Investigator, may place
the subject at undue risk if enrolled in this study;
4. Recent asthma exacerbation: hospitalization, emergency room admission or use of
systemic corticosteroids for an asthma exacerbation in the 4 weeks prior to screening
visit or during the run-in period;
Note: Subjects experiencing an exacerbation during the run-in period may be
re-screened once, at least 4 weeks after recovery.
5. Non-persistent asthma: exercise-induced, seasonal asthma (as the only asthma-related
diagnosis) not requiring daily asthma control medicine;
6. Subjects using systemic corticosteroid medication in the 4 weeks or slow release
corticosteroids in the 12 weeks, prior to screening;
7. Asthma requiring use of biologics: Subjects receiving asthma treatment with an
injectable biologic drug such as monoclonal antibodies;
8. Respiratory disorders other than asthma: Subjects with known respiratory disorders
other than asthma. This can include but is not limited to: diagnosis of COPD as
defined by the current guidelines (e.g. GOLD Report), known a1-antitrypsine
deficiency, active tuberculosis, bronchiectasis, sarcoidosis, interstitial lung
diseases, idiopathic pulmonary fibrosis, and pulmonary hypertension;
9. Lung cancer or history of lung cancer: Subjects with an active diagnosis of lung
cancer or a history of lung cancer;
10. Lung resection: Subjects with a history of lung volume resection;
11. Respiratory tract infection: Subjects with respiratory tract infection within 4 weeks
prior to screening or during the run-in period; Note: Subjects experiencing a
respiratory tract infection during the run-in period may be re-screened once, at least
4 weeks after recovery.
12. Smoking status: Current smoker or ex-smoker with a smoking history of = 10 pack-years
(pack-years = the number of cigarette packs per day times the number of years). Ex-
smokers must have stopped smoking for =1 year (= 6 months for e-cigarettes).
13. Cancer or history of cancer (other than lung): Subjects with active cancer or a
history of cancer with less than 5 years disease free survival time (whether or not
there is evidence of local recurrence or metastases). Localized carcinoma (e.g. basal
cell carcinoma, in situ carcinoma of the cervix adequately treated, …) is acceptable;
14. Cardiovascular diseases: Subjects who have clinically significant (CS) cardiovascular
condition according to Investigator's judgement, such as but not limited to:
congestive heart failure (NYHA class IV), unstable or acute ischemic heart disease in
the last year prior to screening, history of sustained and non-sustained cardiac
arrhythmias diagnosed in the last 6 months prior to screening (sustained meant lasting
more than 30 seconds or ending only with external action, or led to hemodynamic
collapse; non-sustained meant > 3 beats < 30 seconds, and or ending spontaneously, and
or asymptomatic), high degree impulse conduction blocks (> 2nd degree atrioventricular
block type 2),persistent, long standing or paroxysmal atrial fibrillation (AF); Note:
Subjects with permanent AF (for at least 6 months prior screening) with a resting
ventricular rate < 100/min, controlled with a rate control strategy (i.e. selective ß
blocker, calcium channel blocker, pacemaker placement, digoxin or ablation therapy)
can be considered for enrolment;
15. ECG criteria: Any abnormal and clinically significant 12-lead ECG that in the
investigator's opinion would affect efficacy or safety evaluation or place the
subjects at risk.
16. ECG QTcF: Male subjects with a Fridericia's corrected QT interval (QTcF) >450 msec and
female subjects with a QTcF >470 msec at screening are not eligible (not applicable
for subjects with permanent atrial fibrillation and for subjects with pacemaker);
17. Subjects with a medical history or current diagnosis of narrow angle glaucoma,
symptomatic prostatic hypertrophy, urinary retention bladder neck obstruction that, in
the opinion of the Investigator, would prevent use of anticholinergic agents; Note:
Benign prostatic hyperplasia subjects who are stable under treatment can be considered
for inclusion.
18. CNS disorders: Subjects with a history of symptoms or significant neurological disease
such as but not limited to transient ischemic attack (TIA), stroke, seizure disorder
or behavioral disturbances according to the investigator's opinion;
19. Other medical conditions: Subjects with other severe acute or chronic medical or
malignancy or psychiatric condition or clinically significant laboratory abnormalities
indicating a significant or unstable concomitant disease, that might in the judgment
of the Investigator, place the subject at undue risk or potentially compromise the
results or interpretation of the study;
20. Other concurrent diseases: Subjects with historical or current evidence of
uncontrolled concurrent disease such as but not limited to hyperthyroidism, diabetes
mellitus or other endocrine disease; hematological disease; autoimmune disorders (e.g.
rheumatoid arthritis, ), gastrointestinal disorders (e..; poorly controlled peptic
ulcer, GERD), significant renal and hepatic impairment or other disease or condition
that might, in the judgement of the investigator, place the subject at undue risk or
potentially compromise the results or interpretation of the study;
21. Liver diseases: Subjects with severe hepatitis, chronic active hepatitis or evidence
of uncontrolled chronic liver disease according to the investigator's opinion;
22. Vaccination: Subjects who receive a vaccination within 2 weeks prior to screening or
during the run-in;
23. Subjects who have been found to be mentally or legally incapacitate because of an
intellectual disability, or subjects who are institutionalized by a government or a
judicial order;
24. Contra-indications or Hypersensibiliy to IMPs: Contra-indications to IMPs or
hypersensibility to the active substances or to any of the excipients listed in the
SmPC of IMPs constitute an exclusion criterion. For warnings, eligibility will be
judged by the investigator;
25. Alcohol/drug abuse: Subjects with a history of alcohol or drug abuse within two years
prior to the start of the study;
26. Hypersensitivity: Subjects with known intolerance/hypersensitivity or contraindication
to treatment with ß2-agonists, ICS, anticholinergics or propellant gases/excipients
(as listed in the corresponding SmPCs). For warnings/precaution for use, eligibility
will be judged by the investigator;
27. Surgery: Subjects with major surgery in the 3 months prior to screening visit or
planned surgery during the trial;
28. Subjects treated with non-potassium sparing diuretics (unless administered as a fixed
dose combination [FDC] with a potassium conserving drug or changed to potassium
sparing before the screening), nonselective beta blocking drugs, quinidine, quinidine
like anti-arrhythmics, or any medication with a corrected QT interval (QTc)
prolongation potential or a history of QTc prolongation;
29. Subjects treated with monoamine oxidase inhibitors (MAOIs) and tricyclic
anti-depressants;
30. Subjects receiving any therapy that could interfere with the study drugs according to
Investigator's opinion;
31. Participation in investigational trial: Subjects who have received an investigational
drug within 2 months or six half-lives (whichever is greater) prior to screening
visit, or have been previously randomized in this trial, or are currently
participating in another clinical trial;
32. Documented coronavirus disease 2019 (COVID-19) diagnosis within 8 weeks prior to
screening or its complication which has not resolved within 14 days prior to
screening.
Open-label extension phase :
Inclusion criteria:
1. Informed consent: Subject's electronic (preferred option in countries where this is
allowed as per local regulations) or written informed consent obtained prior to any
study related procedures; Participation in MiSTIC study main phase: Subjects enrolled
in MiSTIC main phase, who did not discontinue from the main phase study treatment
before Week 26 and with available data to allow classification of asthma control.
2. A willingness and ability:
- To correctly use the pMDI inhalers;
- To perform all trial related procedures including technically acceptable
pulmonary function tests;
- To correctly use the e-Diary;
- To correctly use the technology enabling remote visits and home supervised
spirometry assessments (in countries where this is allowed as per local
regulations).
3. Treatment compliance during main phase: Subjects with main phase study treatment
compliance = 70%
4. Female subjects:
1. Woman of Childbearing Potential (WOCBP) fulfilling one of the following criteria:
i. WOCBP with fertile male partners: they and/or their partner must be willing to
use a highly effective birth control method from the signature of the informed
consent and until the follow-up call or ii. WOCBP with non-fertile male partners
(contraception is not required in this case).
or
2. Female patient of non-childbearing potential defined as physiologically incapable
of becoming pregnant (i.e. post-menopausal or permanently sterile. Tubal ligation
or partial surgical interventions are not acceptable. If indicated, as per
investigator's request, post-menopausal status may be confirmed by
follicle-stimulating hormone levels (according to local laboratory ranges).
Open-label extension phase:
Exclusion criteria:
1. Pregnant or lactating woman where pregnancy is defined as the state of a female after
conception and until termination of the gestation, confirmed by a positive pregnancy
test (urine pregnancy test is performed at Visit 6 of the main phase) according to
local regulation;
2. Adverse Drug Reactions (ADRs): Subjects who have experienced an ADRs (assessed as
possibly related to study drugs by the investigator) during the main phase;
3. Ongoing Serious Adverse Events (SAEs): Subjectswith ongoing SAEs from the main phase
at the time of Visit 6 OLE should not be enrolled in the OLE phase unless the
investigator considers that the ongoing SAE would not prevent them from safely and
effectively participating in the OLE phase;
4. Changes in medical history: Any clinically significant changes in subject's medical
history, physical examination (PE)/Vital Signs (VS)/ laboratory analysis; concomitant
therapies, documented in the main phase or any new identified disease or condition,
that might, in the judgement of the investigator, place the subject at undue risk or
potentially compromise the results or interpretation of the study;
5. Changes in study treatments during the main phase or ongoing use of main phase
prohibited medications: Any use of biological (monoclonal antibodies e.g. anti-IgE or
anti-IgG antibodies) to treat asthma during the main phase or ongoing use of main
phase prohibited medications as maintenance treatment for asthma at the time of Visit
6OLE.
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