Evaluation of 611 in Chinese Adults Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease
A Multi-Centered, Randomized, Double-Blinded, Placebo-Controlled Phase III Clinical Trial, to Evaluate the Efficacy and Safety of 611 in Chinese Adults With Moderate to Severe Chronic Obstructive Pulmonary Disease
1 other identifier
interventional
594
1 country
4
Brief Summary
The objective of the study was to evaluate the efficacy and safety of 611 in Chinese adults with moderate to severe COPD.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Jul 2025
Typical duration for phase_3
4 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
First Submitted
Initial submission to the registry
June 5, 2025
CompletedFirst Posted
Study publicly available on registry
June 26, 2025
CompletedStudy Start
First participant enrolled
July 16, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
November 1, 2028
November 18, 2025
October 1, 2025
3.1 years
June 5, 2025
November 17, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Annualized rate of moderate or severe COPD Exacerbations
Moderate exacerbations were recorded by the Investigator and defined as acute exacerbation of COPD (AECOPD) event that required systemic corticosteroids with/without antibiotics. Severe exacerbations were also recorded by the Investigator and defined as AECOPD event that required hospitalization or observation for \>24 hours in an emergency department/urgent care facility or resulted in death.
Baseline to Week 52
Secondary Outcomes (12)
Change from baseline in pre-bronchodilator FEV1 at Week 24
Baseline, Week 24
Time to first Moderate or severe COPD exacerbation
Baseline to Week 52
Annualized rate of severe COPD Exacerbations
Baseline to Week 52
Change from baseline in pre-bronchodilator FEV1
Baseline to Week 52
Change from baseline in SGRQ scores
Baseline to Week 52
- +7 more secondary outcomes
Study Arms (2)
611
EXPERIMENTAL611 Q2W, subcutaneous (SC) injection
placebo
PLACEBO COMPARATORplacebo Q2W, subcutaneous (SC) injection
Interventions
Eligibility Criteria
You may qualify if:
- Able to understand and follow the protocol requirements, and give written informed consent prior to participation voluntarily in the study.
- Male or female adults ages 40 to 85 years old when signing the informed consent.
- Current or former smokers with a smoking history of ≥10 pack-years.
- Documented diagnosis of COPD for at least 12 months prior to enrolment
- Moderate-to-severe COPD.
- Documented history of ≥ 2 moderate or ≥ 1 severe COPD exacerbations within 12 months prior to enrolment.
- Background triple therapy (ICS + LABA + LAMA) for 3 months prior to randomization with a stable dose of medication for ≥ 1 month prior to randomization; Double therapy (LABA + LAMA) allowed if ICS is contraindicated.
- Female subjects of reproductive age (and their male partners) and male subjects (and their female partners) must use highly effective contraception throughout the study period and for at least 3 months after the last dose. The subjects had no plans to pregnancy, donate sperm or donate egg during the whole study period and for at least 3 months after the last dose.
You may not qualify if:
- Presence of a known pre-existing, clinically important lung condition other than COPD.
- A current diagnosis of asthma or history of asthma according to the Global Initiative for Asthma (GINA) guidelines or other accepted guidelines.
- Diagnosis of α-1 anti-trypsin deficiency.
- Presence of an active autoimmune disease.
- Subjects who have any malignant tumors within 5 years prior to enrollment.
- Known, pre-existing other concurrent clinically significant medical conditions that are uncontrolled.
- Diagnosed active parasitic infection, suspected or high risk of parasitic infection.
- Subjects who have active Hepatitis B, Hepatitis C or HIV infections as determined by positive results at Screening.
- Known with allergic or intolerant to any biological product.
- Any reason which, in the opinion of investigator, would prevent the subject from participating in the study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (4)
China-Japan Friendship Hospital
Beijing, Beijing Municipality, 100029, China
Shenzhen People's Hospital
Shenzhen, Guangdong, 518020, China
Jiangsu Province Hospital
Nanjing, Jiangsu, 212028, China
ZheJiang Provincial People's Hospital
Hangzhou, Zhejiang, 310014, China
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 5, 2025
First Posted
June 26, 2025
Study Start
July 16, 2025
Primary Completion (Estimated)
September 1, 2028
Study Completion (Estimated)
November 1, 2028
Last Updated
November 18, 2025
Record last verified: 2025-10
Data Sharing
- IPD Sharing
- Will not share