A Phase Ib Study of RC1416 Injection
A Phase Ib Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, Immunogenicity and Preliminary Efficacy of RC1416 Injection in Patients With Moderate to Severe Asthma
1 other identifier
interventional
40
1 country
16
Brief Summary
This is a Phase Ib study to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, immunogenicity and preliminary efficacy of RC1416 injection in patients with moderate to severe asthma.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Oct 2024
16 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 25, 2024
CompletedFirst Submitted
Initial submission to the registry
March 28, 2025
CompletedFirst Posted
Study publicly available on registry
April 4, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 25, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
September 25, 2025
CompletedJanuary 30, 2026
March 1, 2025
11 months
March 28, 2025
January 29, 2026
Conditions
Outcome Measures
Primary Outcomes (6)
AE
incidence ,severity and relation to investigational drugs of Adverse Events according to CTCAE V5.0
up to 141 days
SAE
incidence ,severity and relation to investigational drugs of Adverse Events according to CTCAE V5.0
up to 141 days
Vital Signs
number of praticipants with clinically notable Vital Signs according to CTCAE V5.0
up to 141 days
Laboratory Tests
number of praticipants with clinically Laboratory Tests Values according to CTCAE V5.0
up to 141 days
ECG
number of praticipants with clinically notable Electrocardiogram(ECG) Values according to CTCAE V5.0
up to 141 days
Injection Site Reaction
number of praticipants with clinically notable Injection Site Reaction according to CTCAE V5.0
up to 85 days
Secondary Outcomes (13)
Cmax
up to 141 days
AUC0-t
up to 141 days
AUC0-inf
up to 141 days
Anti-Drug antibody (ADA)
up to 141 days
Tmax
up to 141 days
- +8 more secondary outcomes
Study Arms (2)
RC1416
EXPERIMENTALPlacebo
PLACEBO COMPARATORInterventions
there are four doses(200mg-400mg) in this part. Each subjects will receive the drug once by subcutaneous injection.
Eligibility Criteria
You may qualify if:
- The subject fully understands the purpose, nature, methods and potential adverse events of the trial and voluntarily signs the informed consent form (ICF);
- Male or female patients aged ≥18 and ≤75 years at the time of ICF signing;
- The subject has been diagnosed with asthma for at least one year;
- The subject has been treated with medium to high-dose inhaled corticosteroids (ICS) (e.g.,fluticasone propionate ≥ 250 μg daily or equivalent ICS dose) in combination with at least one additional controller medication \[such as long-acting β2 receptor agonists (LABA), long-acting anticholinergic drugs (LAMA), leukotriene receptor antagonists (LTRA), or sustained-release theophylline\] for ≥ 3 months prior to ICF signing, with a stable dosing for ≥ 1 month before randomization;
- ACQ-6 score \> 1.5 or ACT score \< 20 ;
- Pre-bronchodilator FEV1 ≤ 80% of predicted value at screening;
- Positive objective tests for variable airflow obstruction within one year before randomization or during the screening period (including bronchodilation test, bronchial provocation test or peak expiratory flow variability, etc.).
- The subject agrees to take effective contraceptive measures (as specified in the protocol) from the time of ICF signing until 6 months post-treatment.
You may not qualify if:
- Based on the investigator's judgment,Clinically diagnosed with chronic obstructive pulmonary disease (COPD) or other lung diseases that may significantly impair lung function (such as atelectasis, pulmonary fibrosis, bronchopulmonary dysplasia, bronchiectasis, emphysema, etc.) ;
- Subjects who had required at least one systemic glucocorticoid treatment due to asthma exacerbation or other reasons, or who had been hospitalized or treated emergency department due to asthma exacerbation within one month before administration;
- Subjects with a history of near-fatal asthma requiring endotracheal intubation and mechanical ventilation;
- Subjects who are Excessive dependence on short-acting β-agonists (SABA) (\>10-12 puffs per day) , especially use more than one vial of salbutamol (or equivalent) per month;
- Subjects who used non-selective β-blockers within 1 month before screening until randomization;
- Subjects with pulmonary or other infection and oral or intravenous antibiotics or antifungal or antiviral drugs within one month before administration; Subjects have need local antibiotic or antiviral treatment within 7 days before screening;Subjects with a history of recurrent infections (≥3 times per year) and underlying diseases that predispose to infection; Subjects with a history of disseminated herpes simplex infection or recurrent (\>1 time) or disseminated herpes zoster; Subjects with a history of opportunistic infections;
- Subjects who underwent major surgery within 6 months prior to screening or planned major surgery during the trial.
- Subjects who have suffered form malignancy within 5 years,except:
- Subjects with cervical carcinoma in situ that has been completely resected and has no evidence of recurrence or metastasis for at least 3 years;
- Subjects with basal cell or squamous cell carcinoma that have been completely resected and have no recurrence for at least 3 years;
- Subjects with a history of cancer who have had complete remission of their malignant tumors for at least 5 years at the time of screening and have no anti-tumor treatment;
- Currently receiving or having received any of the prohibited drugs or treatments in this trial within the following time frames :
- Live vaccines, attenuated live vaccines, or adenovirus vector vaccines within 3 months prior to screening or plan to receive such vaccines during the trial;
- Any of the following drugs within 3 months or 5 half-lives (whichever is longer) prior to screening: IL-4Rα antagonists, IL-5/interleukin-5 receptor (IL-5R) antagonists, anti-IgE monoclonal antibodies, anti-TSLP antibodies, etc.;
- Bronchial thermoplasty within 3 years prior to screening;
- +30 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (16)
China-Japan Friendship Hospital
Beijing, Beijing Municipality, 100029, China
Peking University Shougang Hospital
Beijing, Beijing Municipality, China
Shenzhen People's Hospital
Shenzhen, Guangdong, China
The First Affiliated Hospital of Guilin Medical University
Guilin, Guangxi, China
Hebei Petro China Centre Hospital
Langfang, Hebei, China
Hebei Province Hospital of Chinese Medicine
Shijiazhuang, Hebei, China
Nanyang Central Hospital
Nanyang, Henan, China
Xinxiang First People's Hospital
Xinxiang, Henan, China
The First Affiliated Hospital of Baotou Medical College
Baotou, Inner Mongolia, China
Nanjing First Hospital
Nanjing, Jiangsu, China
Jining NO.1 people's hospital
Jining, Shandong, China
Liaocheng People's Hospital
Liaocheng, Shandong, China
Zibo Municipal Hospital
Zibo, Shandong, China
Shanxi Bethune Hospital
Taiyuan, Shanxi, China
Hangzhou First People's Hospital
Hangzhou, Zhejiang, China
The Second Affiliated Hospital of Wenzhou Medical University
Wenzhou, Zhejiang, China
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 28, 2025
First Posted
April 4, 2025
Study Start
October 25, 2024
Primary Completion
September 25, 2025
Study Completion
September 25, 2025
Last Updated
January 30, 2026
Record last verified: 2025-03
Data Sharing
- IPD Sharing
- Will not share