Recruiting NA INTERVENTIONAL 2-arm NCT05861245

Hypofractionated Protontherapy in Chordomas and Chondrosarcomas of the Skull Base

Phase II Clinical Trial of Low-intervention Using Hypofractionated Protontherapy in Chordomas and Chondrosarcomas of the Skull Base

Sponsor: Quironsalud

Conditions Chondrosarcoma Chordoma

Interventions 25-fraction hypofractionated proton therapy 5-fraction hipofractionated protontheray

Updated 5 times since 2023 Last updated: Jan 21, 2026 Started: May 24, 2023 Primary completion: May 24, 2027 Completion: May 24, 2033

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Chondrosarcoma and Chordoma, this trial is actively recruiting participants. The trial is conducted by Quironsalud and has accumulated 5 data snapshots since 2023. Oncology trials at this stage typically focus on safety, tolerability, and early efficacy signals.

Status Flow

Change History

5 versions recorded

Feb 2026 — Present [monthly]

Recruiting NA
Sep 2024 — Feb 2026 [monthly]

Recruiting NA
Jul 2024 — Sep 2024 [monthly]

Recruiting NA
Dec 2023 — Jul 2024 [monthly]

Recruiting NA
Jun 2023 — Dec 2023 [monthly]

Recruiting NA

First recorded

May 2023

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Quironsalud

Data source: Quironsalud

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Madrid, Spain