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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT05251259




Registration number
NCT05251259
Ethics application status
Date submitted
20/12/2021
Date registered
22/02/2022
Date last updated
13/06/2024

Titles & IDs
Public title
Study to Assess the Efficacy and Safety of Atuliflapon in Moderate-to-Severe Uncontrolled Asthma
Scientific title
A Phase 2a, Randomised, Double-Blind, Placebo-Controlled Study to Assess Efficacy and Safety of Atuliflapon Given Orally Once Daily for Twelve Weeks in Adults With Moderate to Severe Uncontrolled Asthma
Secondary ID [1] 0 0
2023-509243-27-00
Secondary ID [2] 0 0
D7552C00001
Universal Trial Number (UTN)
Trial acronym
FLASH
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Asthma 0 0
Condition category
Condition code
Respiratory 0 0 0 0
Asthma

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - Atuliflapon
Treatment: Drugs - Placebo

Experimental: Lead-in PK Cohort (Atuliflapon) - Randomised participants will receive Atuliflapon

Experimental: Part 1: Atuliflapon - Randomised participants will receive Atuliflapon

Placebo comparator: Lead-in PK, Part 1 Placebo - Randomised participants will receive placebo


Treatment: Drugs: Atuliflapon
Randomised participants will receive Atuliflapon

Treatment: Drugs: Placebo
Randomised participants will receive placebo
Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Time to first CompEx Asthma event
Timepoint [1] 0 0
Baseline up to Week 12
Secondary outcome [1] 0 0
Time to first CompEx Asthma event (Composite endpoint for Exacerbations)
Timepoint [1] 0 0
Baseline up to Week 12
Secondary outcome [2] 0 0
Time to first CompEx Asthma event (Composite endpoint for Exacerbations)
Timepoint [2] 0 0
Baseline up to Week 12
Secondary outcome [3] 0 0
Change from baseline in Pre-bronchodilator forced expiratory volume in 1 second
Timepoint [3] 0 0
Baseline, Week 4 and Week 12
Secondary outcome [4] 0 0
Change from baseline in St. George's Respiratory Questionnaire
Timepoint [4] 0 0
Baseline, Week 4 and Week 12
Secondary outcome [5] 0 0
Change from baseline in Asthma Control Questionnaire 6
Timepoint [5] 0 0
Baseline Week 4, Week 8, Week 12
Secondary outcome [6] 0 0
Change from baseline in average morning and evening Peak Expiratory Flow Measurement
Timepoint [6] 0 0
Baseline Week 4, Week 8, Week 12
Secondary outcome [7] 0 0
Change from baseline in Daily asthma symptom score (total, daytime, and night-time)
Timepoint [7] 0 0
Baseline Week 4, Week 8, Week 12
Secondary outcome [8] 0 0
Time to first severe asthma exacerbation
Timepoint [8] 0 0
Baseline up to Week 12
Secondary outcome [9] 0 0
Event status (CompEx Asthma event yes/no)
Timepoint [9] 0 0
Baseline up to Week 12
Secondary outcome [10] 0 0
Lead-in PK: Area under the curve (AUC)
Timepoint [10] 0 0
Day 1 and Day 15
Secondary outcome [11] 0 0
Lead-in PK: Maximum (or peak) serum concentration (Cmax)
Timepoint [11] 0 0
Day 1 and Day 15
Secondary outcome [12] 0 0
Lead-in PK cohort: Pre-dose trough concentration (Ctrough)
Timepoint [12] 0 0
Day 15
Secondary outcome [13] 0 0
Part 1 Cohort: Atuliflapon plasma concentrations in all participants, pre-dose samples
Timepoint [13] 0 0
Baseline, Week 4 and Week 12
Secondary outcome [14] 0 0
Number of participants with adverse events (AEs)
Timepoint [14] 0 0
Baseline up to Week 12

Eligibility
Key inclusion criteria
Inclusion Criteria

Lead-in PK Cohort:

* 18 to 55 years of age inclusive at the time of signing the informed consent at screening Visit 1.
* Bodyweight 50 to 120 kg (inclusive) and BMI 18 to 32 kg/m^2 (inclusive) at screening Visit 1.
* Documented asthma diagnosis =12 months prior to screening Visit 1.
* Able to perform acceptable lung function testing for FEV1 according to American Thoracic Society / European Respiratory Society (ATS/ERS) 2019 acceptability criteria.
* Morning pre- bronchodilator (BD) forced expiratory volume (FEV)1 = 40% predicted at screening Visit 1 and Visit 2.
* Treated with low dose inhaled corticosteroid plus long-acting ß2-agonist (ICS-LABA) or medium-high dose ICS alone or in combination with LABA at a stable dose for at least 3 months prior to screening Visit 1. Also, treatment with additional asthma controller therapies (eg, LAMA) at a stable dose = 3 months prior to screening Visit 1 is allowed.
* Participant's influenza/pneumonia vaccination is up to date as per local guidelines prior to Visit 2.

General Inclusion Criteria for Part 1:

* Body weight = 40 kg and body mass index (BMI) < 35 kg/m^2.
* Documented history of = 1 severe asthma exacerbation within 1 year prior to screening Visit 1.
* Able to perform acceptable lung function testing for FEV1 according to ATS/ERS 2019 acceptability criteria.
* Morning pre-BD FEV1 between = 40% and = 85% predicted at screening Visit 1 and Visit 3.
* An Asthma Control Questionnaire (ACQ)-6 score = 1.5 at screening Visit 1 and at Visit 3.
Minimum age
18 Years
Maximum age
80 Years
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
Exclusion Criteria

* A severe asthma exacerbation within 8 weeks of screening (visit 1) or within 12 weeks of randomisation (Visit 3).
* A positive test result of an approved antigen test (confirmed by a positive RT-PCR test) or a positive RT-PCR test for SARS-CoV-2, the virus responsible for COVID-19, at screening Visit 1 or at Visit 2 for the PK Lead-in cohort. For Part 1 the testing will be done at Visit 3. Results from the mandatory tests at Visit 2 (PK Lead-in cohort) and Visit 3 (Part 1) must not be older than 48 hours and must be available before randomisation.
* Participants with a significant COVID-19 illness within 6 months of enrolment.
* Clinically important pulmonary disease other than asthma.
* 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.
* Any clinically significant cardiac disease.
* History of severe renal disease or history of creatinine clearance < 30 mL/min × m2 calculated using Cockcroft-Gault equation.
* Severe hepatic impairment (Child-Pugh class C).
* Previous hepatotoxicity related to zileuton or leukotriene receptor antagonist (LTRAs) (eg montelukast).
* Participants with a recent history of, or who have a positive test for, infective hepatitis or unexplained jaundice, or participants who have been treated for hepatitis B, hepatitis C, or human immunodeficiency virus (HIV).
* Evidence of active or untreated latent tuberculosis (TB).
* Current or history of alcohol or drug abuse (including marijuana).
* Current diagnosis of cancer, not including in-situ or non-melanoma skin cancer or other previous malignancies where curative therapy was completed at least 5 years prior to screening Visit 1.
* Clinically important ongoing or previous psychiatric disease, especially suicidal behaviour, that in the opinion of the investigator might compromise the safety of the participant in the study.
* Treatment with any serum creatinine-altering drugs within 1 month prior to screening Visit 1 including but not limited to amphotericin, cimetidine, clofibrate, dronedarone, ketoconazole, probenecid, ranolazine, trimethoprim, aminoglycosides, or cephalosporins.
* Treatment with systemic corticosteroid use within 8 weeks (oral) or 12 weeks (intramuscular) before screening (Visit 1) or 12 weeks (oral) or 16 weeks (IM) before randomization (Visit 3).
* Treatment with marketed biologics including benralizumab, mepolizumab, reslizumab, omalizumab, and dupilumab within 6 months of screening Visit 1 or 5 half-lives whichever is longer.
* Treatment with 5-lipoxygenase inhibitors (eg zileuton or other 5-LO inhibiting supplements) within 6 weeks prior to Visit 0 and within 8 weeks prior to Visit 1).Treatment with LTRAs (eg, montelukast) within 2 weeks prior to Visit 0 and within 4 weeks prior to screening Visit 1.
* Inhaled corticosteroid + fast-acting ß2 agonist as a reliever (eg Symbicort or Fostair Maintenance and Reliever Treatment) is not allowed 15 days prior to screening Visit 1, during screening (Visit 1)/run-in and the treatment period and preferably 1 week after the last dose of study intervention.
* Live or attenuated vaccines within 4 weeks of screening Visit 1.
* Immunoglobulin or blood products within 4 weeks of screening Visit 1.
* Treatment with Gemfibrozil within 4 weeks of screening Visit 1.
* Any immunotherapy within 6 months of screening Visit 1, except for stable maintenance dose allergen-specific immunotherapy started at least 4 weeks prior to screening Visit 1 and expected to continue through to the end of the follow-up period.
* Potent inducers/inhibitors of cytochrome P450 3A4 within 4 weeks of screening Visit 1.
* Treatment with simvastatin, lovastatin, and atorvastatin at doses > 40 mg per day within 1 month prior to screening Visit 1. Treatment with sensitive cytochrome 3A substrates with narrow therapeutic window should be avoided from randomization to study drug.
* For female participants on ethinyl oestradiol containing combined oral contraceptives.
* Concurrent enrolment in another clinical study.
* Previous participation in the current clinical study.
* Participant treated with any investigational drug within 4 months prior to screening Visit 1.
* Known history of allergy or reaction to any component of the study intervention formulation.
* For female participants only: Currently pregnant or breast-feeding.
* Smokers with smoking history of < 10 pack-years or users of vaping or e-cigarettes, must have stopped at least 6 months prior to screening Visit 1.
* Involvement in the planning and/or conduct of the study.
* Donation of blood (= 450 mL) within 3 months or donation of plasma within 14 days before screening Visit 1.
* Major surgery within 8 weeks prior to screening Visit 1, or planned inpatient surgery, major dental procedure or hospitalisation during the screening (Visit 1), treatment or follow-up periods.

Study design
Purpose of the study
Treatment
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Blinded (masking used)
Who is / are masked / blinded?
The people receiving the treatment/s


The people analysing the results/data
Intervention assignment
Parallel
Other design features
Phase
Phase 2
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Recruiting
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
27/01/2022
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
29/01/2025
Actual
Sample size
Target
666
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
Recruitment hospital [1] 0 0
Research Site - Adelaide
Recruitment hospital [2] 0 0
Research Site - Clayton
Recruitment hospital [3] 0 0
Research Site - Mitcham
Recruitment hospital [4] 0 0
Research Site - South Brisbane
Recruitment postcode(s) [1] 0 0
5000 - Adelaide
Recruitment postcode(s) [2] 0 0
3168 - Clayton
Recruitment postcode(s) [3] 0 0
3132 - Mitcham
Recruitment postcode(s) [4] 0 0
4101 - South Brisbane
Recruitment outside Australia
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Incheon
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Lódz
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Brasov
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Cluj-Napoca
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Constanta
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
AstraZeneca
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
This is a randomised, placebo-controlled, double-blind study to assess the efficacy and safety of Atuliflapon administered once daily over a 12-week treatment period to adult participants with moderate to severe uncontrolled asthma.
Trial website
https://clinicaltrials.gov/study/NCT05251259
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
AstraZeneca Clinical Study Information Center
Address 0 0
Country 0 0
Phone 0 0
1-877-240-9479
Fax 0 0
Email 0 0
information.center@astrazeneca.com
Contact person for scientific queries



Summary Results

For IPD and results data, please see https://clinicaltrials.gov/study/NCT05251259