# A Phase III Study of CLS2901C in Patients With Osteoarthritis of the Knee

> **NCT06549686** · PHASE3 · RECRUITING · sponsor: **CellSeed Inc.** · enrollment: 96 (estimated)

## Conditions studied

- Osteoarthritis of the Knee

## Interventions

- **BIOLOGICAL:** CLS2901C (human [allogeneic] chondrocyte sheets)

## Key facts

- **NCT ID:** NCT06549686
- **Lead sponsor:** CellSeed Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2023-10-20
- **Primary completion:** 2027-07-31
- **Final completion:** 2031-07-31
- **Target enrollment:** 96 (ESTIMATED)
- **Last updated:** 2025-11-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06549686

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06549686, "A Phase III Study of CLS2901C in Patients With Osteoarthritis of the Knee". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT06549686. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*