About this trial
This study is a phase II study of RC1416 in subjects with severe uncontrolled asthma. The purpose of the study is to evaluate efficacy and safety of RC1416 in subjects with severe uncontrolled asthma.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Male or female aged 18 and 75 years.
Diagnosed with asthma for at least 1 year, and the current disease status meets the diagnostic criteria of the 2024 GINA guidelines.
Have received medium-to-high dose ICS therapy for at least 3 consecutive months prior to screening, and maintained a stable treatment regimen and dose for ≥1 month prior to baseline.
Pre-bronchodilator forced expiratory volume in 1 second (FEV1) measurement ≤80% of the predicted normal value at both the screening and baseline visits.
Disqualifiers
Individuals with a known history of allergy to the investigational product or its excipients.
Clinically diagnosed with chronic obstructive pulmonary disease (COPD) or other lung diseases that may impair lung function .
Experienced a severe asthma exacerbation event from within 1 month prior to screening until before dosing.
Used systemic corticosteroids within 1 week prior to screening.
Trial design
Parallel
Treatments tested in this trial
RC1416
DrugThere are two doses in this part. Each subjects will receive the drug by subcutaneous injection.
RC1416 Placebo
DrugEach subjects will receive the placebo by subcutaneous injection
Treatment groups
Trial outcomes
Primary outcomes
Pre-bronchodilator (Pre-BD) forced expiratory volume in 1 Second (FEV1)
Mean change from baseline in Pre-BD forced expiratory volume in 1 Second (FEV1)
Secondary outcomes
Severe asthma exacerbation
Severe asthma exacerbation events, Time to the first asthma exacerbation
Pre-BD FEV1
Morning and evening peak expiratory flow (PEF)
Mean change from baseline of absolute value and percentage
forced vital capacity (FVC)
Mean change from baseline of absolute value and percentage
Sponsors and contacts
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