# A Phase 3 Study to Compare Between CT-P41 and US-licensed Prolia in Postmenopausal Women With Osteoporosis

> **NCT04757376** · PHASE3 · COMPLETED · sponsor: **Celltrion** · enrollment: 479 (actual)

## Conditions studied

- Postmenopausal Women With Osteoporosis

## Interventions

- **BIOLOGICAL:** CT-P41
- **BIOLOGICAL:** US-licensed Prolia

## Key facts

- **NCT ID:** NCT04757376
- **Lead sponsor:** Celltrion
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-17
- **Primary completion:** 2023-05-18
- **Final completion:** 2023-11-16
- **Target enrollment:** 479 (ACTUAL)
- **Last updated:** 2024-06-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04757376

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04757376, "A Phase 3 Study to Compare Between CT-P41 and US-licensed Prolia in Postmenopausal Women With Osteoporosis". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04757376. Licensed CC0.

---

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