Clinical trialNCT05524064Active, not recruitingInterventional

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

SponsorVarian, a Siemens Healthineers CompanyEnrollment10Bone Metastases in the Thorax

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

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.

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

John Perentesis, MD
Medical Director Cincinnati Children's/UC Health Proton Therapy Center
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

2 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Osf Healthcare Saint Francis Medical Center
Peoria, Illinois, United States
Cincinnati Children'S Hospital Medical Center
Cincinnati, Ohio, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 8 Mar 2023
Primary completion: 1 May 2027
Completion: 1 May 2027
Last update posted: 19 Aug 2026
Registered enrollment: 10
Registry id: NCT05524064

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.