A Study to Investigate Efficacy and Safety of PT027 Compared With PT007 in Symptomatic Chinese Adults With Asthma
- Summary
- An event-driven, Phase III study to evaluate the efficacy and safety of BDA MDI compared with AS MDI in reducing the risk of a severe asthma exacerbation in symptomatic Chinese adults with asthma.
- Acronym
- BAIYUN
- Short title
- A Study to Investigate Efficacy and Safety of PT027 Compared With PT007 in Symptomatic Chinese Adults With Asthma
- Official title
- A Randomized, Double-blind, Multicentre, Event-driven, Parallel Group, Phase III Study Evaluating the Efficacy and Safety of PT027 Compared With PT007 Administered As Needed in Symptomatic Chinese Adults With Asthma (BAIYUN)
- Control arm
- Active comparator
- Registry reports results
- Listing at source
- Listed
- Recruitment status
- Recruiting
- Phase
- Phase 3
- Study type
- Interventional
- Completion date
- 2027-10-04
- First posted
- 2024-06-24
- Registry last updated
- 2026-08-07
- Primary completion date
- 2027-10-04
- Start date
- 2024-06-17
- Participants
- 1,000
- Participant count basis
- Estimated
- Planned participants
- 1,000
- Protocol amendments
- Randomisation ratio
- Number of sites
- Registry sponsor category
- Industry
- Lead sponsor
- AstraZeneca
- Source registry
- ClinicalTrials.gov
- Registry ID
- NCT06471257
- ClinicalTrials.gov ID
- NCT06471257
- Registry record
- Open registry record
- Allocation
- Randomised
- Model
- Parallel groups
- Purpose
- Treatment
- Masking
- Double masking
- Masked roles
- Participants, Investigators
Time to first severe asthma exacerbation
Timeframe: 24 to 52 weeks
The efficacy of BDA MDI administered as needed compared with AS MDI on severe asthma exacerbation risk over the 24 to 52 week treatment period.
Severe asthma exacerbation rate (annualized)
Timeframe: 24 to 52 weeks
The efficacy of BDA MDI administered as needed compared with AS MDI on severe asthma exacerbations and SCS exposure
Total SCS exposure over the treatment period
Timeframe: 24 to 52 weeks
The efficacy of BDA MDI administered as needed compared with AS MDI on severe asthma exacerbations and SCS exposure
ACQ-5 responder (≥ 0.5 decrease)
Timeframe: Week 24
The effect of BDA MDI administered as needed compared with AS MDI on PROs at Week 24
AQLQ+12 responder (≥ 0.5 increase)
Timeframe: Week 24
The effect of BDA MDI administered as needed compared with AS MDI on PROs at Week 24
- Sex
- All
- Age groups
- Adults, Older adults
- Minimum age
- 18 Years
- Healthy volunteers
- No
- Documented physician-diagnosed asthma for at least 12 months prior to Visit 1
- Receiving 1 of the scheduled asthma maintenance therapies for 3 months with stable dosing for at least the last 4 weeks before Visit 1
- Pre-bronchodilator FEV1 of ≥ 40% to < 90% predicted normal value for adults.
- Documented reversibility to albuterol
- A documented history of at least one severe asthma exacerbation within 12 months before Visit 1
- ACQ-7 score ≥ 1.5 assessed at Visit 1
- ACQ-5 score ≥ 1.5 assessed at Visit 2
- Receiving inhaled SABA as needed prior to Visit 1 for at least 3 months
- Use of Sponsor-provided salbutamol sulfate inhalation aerosol as needed medication due to asthma symptoms on at least 3 days during the last week of the run-in period before Visit 2
- Demonstrate acceptable MDI administration technique as assessed by the investigator; use of spacers is prohibited
- Able to perform acceptable and reproducible PEF measurements as assessed by the investigator
- BMI < 40 kg/m2
- Negative pregnancy test (urine at Visit 1) for female participants of childbearing potential
- Women of childbearing potential must agree to prevent pregnancy
- Compliance: must be willing to remain at the study site as required per protocol and complete all visit assessments
- Chronic obstructive pulmonary disease or other significant lung disease
- Oral/SCS use (any dose) within 6 weeks before Visit 1
- Chronic use of OCS ≥ 3 weeks use in 3 months prior to Visit 1
- Having received any marketed or investigational biologic within 3 months or 5 half-lives before Visit 1, whichever is longer, or any other prohibited medication
- Current smokers, former smokers with > 10 pack-years history, or former smokers who stopped smoking < 6 months before Visit 1
- Life-threatening asthma as defined as any history of significant asthma episode(s) requiring intubation associated with hypercapnia, respiratory arrest, hypoxic seizures, or asthma related syncopal episode(s) within last 5 years of Visit 1
- Completed treatment for lower respiratory infection or asthma exacerbation within 6 weeks of Visit 1
- Upper respiratory infection involving antibiotic treatment not resolved within 7 days before Visit 1
- Clinically significant laboratory abnormalities
- Historical or current evidence of a clinically significant disease
- Cancer not in complete remission for at least 5 years before Visit 1
- History of psychiatric disease, intellectual deficiency, poor motivation, or other conditions if their magnitude is limiting informed consent validity
- Have a known or suspected hypersensitivity to albuterol/salbutamol, or budesonide and/or their excipients
- Inability to abstain from protocol-defined prohibited medications during the study
- Having received a live attenuated vaccination within 7 days of Visit 1
- Currently pregnant or breastfeeding
- Participants who experience > 1 asthma exacerbation during the screening period
- Research SiteBaotou, ChinaRecruiting
- Research SiteBaotou, ChinaRecruiting
- Research SiteBeijing, ChinaActive, not recruiting
- Research SiteBeijing, ChinaRecruiting
- Research SiteBeijing, ChinaRecruiting
- Research SiteBeijing, ChinaRecruiting
- Research SiteChangchun, ChinaRecruiting
- Research SiteChangchun, ChinaRecruiting
- Research SiteChangsha, ChinaRecruiting
- Research SiteChangsha, ChinaRecruiting
- Research SiteChengdu, ChinaRecruiting
- Research SiteChengdu, ChinaRecruiting
- Research SiteChengdu, ChinaRecruiting
- Research SiteChengdu, ChinaRecruiting
- Research SiteChengdu, ChinaRecruiting
- Research SiteChizhou, ChinaRecruiting
- Research SiteChongqing, ChinaRecruiting
- Research SiteChongqing, ChinaRecruiting
- Research SiteChongqing, ChinaCompleted
- Research SiteDazhou, ChinaRecruiting
- Research SiteDeyang, ChinaRecruiting
- Research SiteGanzhou, ChinaRecruiting
- Research SiteGuangyuan, ChinaRecruiting
- Research SiteGuangzhou, ChinaActive, not recruiting
- Research SiteGuangzhou, ChinaRecruiting
And 77 more, listed on the interactive page.
Related records
Drugs (2)
Lead sponsors (1)
Conditions (1)
- Asthma Primary condition