A Study of CM512 in Patients With Chronic Rhinosinusitis With Nasal Polyposis (NEZHA-1)
A Randomized, Double-blind, Placebo-controlled Phase II Clinical Study to Evaluate the Efficacy and Safety of CM512 in Patients With Chronic Rhinosinusitis With Nasal Polyposis
1 other identifier
interventional
120
1 country
1
Brief Summary
This is a multi-center, randomized, double blind, placebo-controlled Phase II study to evaluate the efficacy and safety of CM512, and to observe the life quality of subjects, the Pharmacokinetics, Pharmacodynamics and immunogenicity of CM512 in patients with chronic rhinosinusitis with nasal polyposis (CRSwNP).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started May 2025
Shorter than P25 for phase_2
1 active site
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
April 9, 2025
CompletedFirst Posted
Study publicly available on registry
April 16, 2025
CompletedStudy Start
First participant enrolled
May 16, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 16, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
September 16, 2026
April 16, 2025
April 1, 2025
1.3 years
April 9, 2025
April 9, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Nasal Polyps Score (NPS)
Change from baseline in the Nasal Polyps Score (NPS) at week 24. NPS score ranges from 0-8 (sum of 0-4 for each nasal passage scores), higher score means a worse outcome.
at week 24
Study Arms (4)
CM512 Dose 1
EXPERIMENTALCM512 Dose 2
EXPERIMENTALCM512 Dose 3
EXPERIMENTALPlacebo
PLACEBO COMPARATORInterventions
Eligibility Criteria
You may qualify if:
- with chronic rhinosinusitis with nasal polyposis (CRSwNP).
- Nasal Polyp Score (NPS) of ≥5 with a minimum score of 2 in each nasal cavity.
- Nasal Congestion Score of 2 or 3 at screening period, and at least 2 at baseline.
- Contraception.
You may not qualify if:
- Not enough washing out period for previous therapy, e.g., less than 10 weeks or 5 half-lives (whichever is longer) for Interleukin (IL)-4 receptor alpha subunit antagonists, less than 8 weeks or 5 half-lives for biologic therapy/systemic immunosuppressant, less than 6 months for sinus surgery (including polypectomy).With malignant or benign tumor of nasal cavity.
- Vaccination with live attenuated vaccine within 30 days before randomization or during the planned study period.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Beijing Tong-Ren hospital
Beijing, China
Study Officials
- PRINCIPAL INVESTIGATOR
Luo Zhang
Beijing Tong-Ren hospital
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 2
- 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
April 9, 2025
First Posted
April 16, 2025
Study Start
May 16, 2025
Primary Completion (Estimated)
September 16, 2026
Study Completion (Estimated)
September 16, 2026
Last Updated
April 16, 2025
Record last verified: 2025-04