RecruitingNCT03908684

Ultrasound Spectroscopy as Early Indicators of Radiation Treatment Response in Prostate, Rectum and Head & Neck Cancers

Pilot Investigation of Ultrasound Cell Death Imaging and Spectroscopy as Early Indicators of Response to Radiation Treatment in Prostate, Rectum and Head and Neck Cancers, and to Characterize Prostate Masses


Sponsor

Sunnybrook Health Sciences Centre

Enrollment

320 participants

Start Date

Dec 17, 2014

Study Type

OBSERVATIONAL

Conditions

Summary

Our objective in this study is to identify an optimal ultrasound spectroscopy parameter that can be used as an early predictor of pathological complete or partial response in men with prostate cancer and men and women with rectum and head and neck cancers receiving treatment radiotherapy. We have previously demonstrated that high-frequency ultrasound and spectroscopy, and recently conventional-frequency ultrasound and spectroscopy may be used to detect cell death in vitro, in situ and in vivo. The method can detect different forms of cell death and has been demonstrated to be sensitive to apoptotic, necrotic and mitotic cell death. The main goal, as described above, is to select the best ultrasound spectroscopy parameter to use as an early predictor of pathological complete response


Eligibility

Plain Language Summary

Simplified for easier understanding

This study uses a specialized ultrasound technique to detect early signs of how well radiation treatment is working in people with prostate, rectal, or head and neck cancer — potentially identifying treatment response before standard imaging can. **You may be eligible if...** - You have confirmed prostate, rectal, or head and neck cancer that has not yet been treated - You are scheduled to receive radiation therapy as your first-line treatment - Your cancer is measurable by ultrasound or MRI - You are in good general health (ECOG 0-1) and have adequate blood and organ function **You may NOT be eligible if...** - You have already received treatment for your cancer - Your overall health status does not meet the study criteria Talk to your doctor to see if this trial is right for you.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

DEVICEUltrasound Imaging

Ultrasound Spectroscopy assess changes in five different ultrasound spectroscopic parameters over different times during treatment with radiotherapy as predictors of tumour shrinkage and pathologic complete response. Ultrasound parameters investigated will include mid-band fit (related to image intensity),spectroscopic slope (backscatter versus frequency), spectroscopic intercept, histogram fit size and shape parameters which can be used as estimates of scatterer size and concentration.


Locations(1)

Sunnybrook Health Sciences Centre

Toronto, Ontario, Canada

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NCT03908684


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