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Clinical Trial Summary

Ufoguide is a prospective single arm open study to assess the feasibility of a new type of HIFU system to treat bone tumors. HIFU is classically delivered by a transducer integrated in the MRI table. This study assesses a new type of approach in which the HIFU transducer is manually placed on the skin of the patient, under the assistance of optical navigation, and held in place by MR-compatible passive arms. The primary goal of this study is to assess the feasibility of heating the tumor accurately with this new HIFU system. The evaluation and monitoring of the treatment will be performed by MR thermometry. Secondary endpoints include the evaluation of clinical efficacy, quality of life and safety.


Clinical Trial Description

Ufoguide is a prospective single arm open study to assess the feasibility of a new type of HIFU system for the treatment of painful metastases (palliative intent) and osteoid osteoma (curative intent). HIFU is classically delivered by a transducer integrated in the MRI table. This study assesses a new type of approach in which the HIFU transducer is manually placed on the skin of the patient and held in place by MR-compatible passive arms. Optical infrared navigation is used to help the physician with the positioning of the HIFU transducer. The primary goal of this study is to assess the feasibility of heating the tumor accurately with this new HIFU system. The evaluation and control of the treatment will be performed by Proton Resonance Frequency Shift (PRFS) MR thermometry. Secondary endpoints include the evaluation of clinical efficacy, quality of life and safety. Clinical efficacy is defined: - in palliative intent by a decrease ≤3 on visual analogic scale - in curative intent (osteoid osteoma) by a total disappearance of pain Quality of life is assessed by EORTC quality of life questionnaire-core 30 items Complications are recorded to assess safety. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04803773
Study type Interventional
Source University Hospital, Strasbourg, France
Contact Afshin GANGI, Pr
Phone 03 69 55 07 56
Email afshin.gangi@chru-strasbourg.fr
Status Recruiting
Phase N/A
Start date January 19, 2021
Completion date June 1, 2024

See also
  Status Clinical Trial Phase
Withdrawn NCT01640847 - MRI Guided High Intensity Focused Ultrasound (HIFU) and ThermoDox for Palliation of Painful Bone Metastases Phase 2