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Palliative Expeditiously Adaptive Quad Shot Radiation Therapy (PEAQ-RT)

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The Washington University

Status

Completed

Conditions

Head and Neck Cancer

Treatments

Radiation: Quad shot radiation
Device: Ring gantry kV-CBCT combined with linear accelerator (Halcyon)

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT04379505
202004210

Details and patient eligibility

About

The investigators propose evaluating the feasibility of using the novel cone beam computed tomography (CBCT)-guided Ethos system to deliver expedited, adaptive Quad shot radiation for the purpose of palliative radiation of patients with advanced head and neck cancers or patients with a history of any malignancy experiencing current head and neck lesions. Quad shot radiation was selected as the palliative regimen of choice given its low toxicity profile, well published efficacy in palliation, frequent usage in the US for palliation of head and neck cancers, and safety in the setting of re-irradiation. The use of the Ethos platform to perform online adaptive radiation planning and delivery remains novel and untested. The Ethos system would be used to consolidate CT simulation, replanning, and treatment for Quad shot patients receiving treatment with the benefit of reduced patient travel and a reduction in the unwanted delay between Quad shot cycles. The goal of this pilot study will be to evaluate the feasibility of the Ethos system to eliminate the need for a CT simulation for cycles 2 and 3 of Quad shot radiation.

Enrollment

10 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • History of a head and neck malignancy or history of any malignancy experiencing current head and neck lesions suitable for radiation. Past history of radiotherapy is allowed for inclusion and brain metastases are allowed for inclusion.
  • Deemed medically fit for Quad shot radiation by treating physician
  • At least 18 years of age.
  • Ability to understand and willingness to sign an IRB approved written informed consent document (or that of legally authorized representative, if applicable).

Exclusion criteria

-Pregnant and/or breastfeeding. Women of childbearing potential must have a negative pregnancy test within 14 days of study entry. If pregnancy test is not clinically indicated as determined by treating physician or protocol PI, documentation of this exception is sufficient in lieu of pregnancy test.

Trial design

Primary purpose

Device Feasibility

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

10 participants in 1 patient group

Quad shot radiation
Experimental group
Description:
-Radiotherapy will consist of Quad shot radiation delivered on the Ethos ring gantry kV-CBCT combined with linear accelerator system to a dose of 14 Gy in four, twice-daily fractions of 3.5 Gy delivered at least 6 hours apart over two days for a possible total of 3 cycles delivered in 3 to 4 intervals for a cumulative dose of of 42 Gy in 12 fractions. Cycle 2 and 3 of treatment is not mandated per protocol but may be given at the discretion of the treating physician.
Treatment:
Radiation: Quad shot radiation
Device: Ring gantry kV-CBCT combined with linear accelerator (Halcyon)

Trial contacts and locations

1

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Central trial contact

Wade Thorstad, M.D.

Data sourced from clinicaltrials.gov

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