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Clinical Trial Summary

This is a single arm, phase I study, evaluating the feasibility, toxicity, and degree of tumor response after novel proton pencil beam scanning (PBS GRID) treatment in patients with bulky tumors that are difficult to manage.


Clinical Trial Description

The proton group at Sibley Memorial Hospital has developed a new method for multi-beam proton delivery making it possible to arrange and optimize GRID dosimetry and normal tissue sparing compared to other similar techniques. In this phase I pilot study, patients with bulky tumors will receive this novel method of GRID-therapy also called spatially-fractionated radiotherapy which involves delivering high dose radiation to small amounts of tumor in a manner that creates alternating regions of high and low dose radiation within the tumor and is often aligned in a grid pattern. In so doing, this study will ascertain the feasibility, safety and tumor response i.e. shrinkage and resectability of this treatment. Ultimately, the goal is to improve local outcomes of patients with bulky tumors and to offer new treatment options for patients with difficult-to-manage bulky tumors. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05121545
Study type Interventional
Source Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Contact Jean Wright, MD
Phone 410-502-6795
Email [email protected]
Status Recruiting
Phase N/A
Start date November 2021
Completion date July 2024

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