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NCT05524064 · ClinicalTrials.gov record · last posted 2026-08-19

FLASH Radiotherapy for the Treatment of Symptomatic Bone Metastases in the Thorax

Study acronym: FAST-02
StatusActive, Not Recruiting
PhaseNot applicable
Started2023-03-08
View on ClinicalTrials.gov ↗
from the ClinicalTrials.gov record
The purpose of this study is to assess toxicities of FLASH radiotherapy treatment and pain relief in subjects with painful thoracic bone metastases. FLASH radiotherapy is radiation treatment delivered at ultra-high dose rates compared to conventional radiation treatment.

Amendment record 3 amendments on the ClinicalTrials.gov record

This ClinicalTrials.gov record has been amended 3 times since 2022-08-29; most recent amendment 2025-05-02. DataLookout shows field-level changes from the day a trial enters its daily monitoring; earlier amendments are counted here from the ClinicalTrials.gov version history. See every version on ClinicalTrials.gov ↗

2025-05-02
Status change Recruiting→Active, Not Recruitingv3
2023-03-18
Status change Not Yet Recruiting→Recruitingv1
Trial Details
NCT Number NCT05524064
Lead Sponsor Varian, a Siemens Healthineers Company
Conditions Bone Metastases in the Thorax
Enrollment 10 participants
Start Date 2023-03-08
Primary Completion 2027-05-01 (estimated)
Study Completion 2027-05-01 (estimated)
Updated on ClinicalTrials.gov 2026-08-19