# Subcutaneously CM310/Placebo in Patients With Chronic Rhinosinusitis With Nasal Polyposis (CROWNS-1)

> **NCT04805398** · PHASE2 · COMPLETED · sponsor: **Keymed Biosciences Co.Ltd** · enrollment: 56 (actual)

## Conditions studied

- Chronic Rhinosinusitis (Diagnosis)
- Nasal Polyps

## Interventions

- **BIOLOGICAL:** CM310
- **BIOLOGICAL:** Placebo

## Key facts

- **NCT ID:** NCT04805398
- **Lead sponsor:** Keymed Biosciences Co.Ltd
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-04-06
- **Primary completion:** 2022-03-18
- **Final completion:** 2022-03-18
- **Target enrollment:** 56 (ACTUAL)
- **Last updated:** 2022-06-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04805398

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04805398, "Subcutaneously CM310/Placebo in Patients With Chronic Rhinosinusitis With Nasal Polyposis (CROWNS-1)". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04805398. Licensed CC0.

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