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RECRUITING
NCT07878364

Treatment Patterns and Survival Outcomes in High-Grade Osteosarcoma: A Multicenter Retrospective Study

Sponsor: MedPacto, Inc.

View on ClinicalTrials.gov

Summary

This is a multicenter, medical-record-based, retrospective observational study of approximately 400 patients with high-grade osteosarcoma treated at four sites in the Republic of Korea. The study describes treatment patterns and survival outcomes (event-free survival \[EFS\], progression-free survival \[PFS\], and overall survival \[OS\]) in patients who completed or discontinued first-line treatment for high-grade osteosarcoma, irrespective of complete remission status. The primary objective is to retrospectively estimate the 12-month EFS rate, calculated from the date of diagnosis, in the full cohort of high-grade osteosarcoma patients. Key secondary objectives evaluate EFS and OS from the date of confirmed complete remission/no evidence of disease (CR/NED) in the subset of clinically high-risk patients who achieve CR/NED, in order to establish a historical reference data supporting the design and interpretation of a future prospective clinical trial of vactosertib as maintenance therapy.

Official title: A Multicenter Medical-Record-Based Retrospective Study of Treatment Patterns and Survival Outcomes in Patients With High-Grade Osteosarcoma

Key Details

Gender

All

Age Range

12 Years - Any

Study Type

OBSERVATIONAL

Enrollment

400

Start Date

2026-07-13

Completion Date

2027-12-31

Last Updated

2026-10-16

Healthy Volunteers

No

Locations (4)

National Cancer Center

Goyang-si, South Korea

Asan Medical Center

Seoul, South Korea

Korea Cancer Center Hospital

Seoul, South Korea

Seoul National University Hospital

Seoul, South Korea