PIRATES: Image-guided Hyper-fractioned Dose-escalation With Proton Therapy for Head and Neck Cancer

Summary

In this study the safety \& feasibility of image-guided mid-treatment hyper-fractioned dose-escalation with proton therapy will be assessed for the treatment of locally advanced HPV-negative squamous cell oropharyngeal cancer

Eligibility

Inclusion Criteria:

In order to be eligible to participate in this study, a subject must meet all of the following criteria:

* Biopsy proven diagnosis of squamous cell carcinoma originating in the oropharynx.
* Routine staging procedures, including CT of the head and neck region and chest, head and neck FDG-PET/CT and MRI (treatment planning allowed), and endoscopic evaluation when indicated.
* Negative for p16
* Locally advanced disease, specifically meeting all following criteria:

  * Stage III-IV
  * T-stage 2-4
  * All N-stages (N0-3)
  * M0
* Eligible for primary concurrent chemoradiation using conventionally fractionated radiotherapy 70 Gy combined with weekly cisplatin
* Eastern Cooperative Oncology Group (ECOG) performance score ≥2
* Age ≥18 years
* Written informed consent

Exclusion Criteria:

A potential subject who meets any of the following criteria will be excluded from participation in this study; patients that:

* underwent definitive resection of their primary tumor or nodal disease, except for incisional or excisional biopsies.

received radiation therapy in the head and neck area in the past

* have no detectable tumor anymore at both the primary site and lymph nodes at week 4 in treatment, because there will not be a volume to boost.
* are unable or unwilling to give written, informed consent
* have contra-indications for chemotherapy. This is at the discretion of the treating medical oncologist.
* are unable to tolerate intravenous contrast for both CT and MRI, having an estimated GFR \< 60 ml/min/1.73 m2 or any contraindications to gadolinium-based contrast agents.
* have any evidence of iron overload on pre-imaging laboratory studies.
* have other serious illnesses or medical conditions present at entry in the study, including (but not limited to): immunodeficiency virus (HIV) infection or other conditions of persistent immunodeficiency, neurologic or psychiatric disorders, active disseminated intravascular coagulation, unstable cardiac disease despite treatment or uncontrolled diabetes mellitus.
* Women who are pregnant or breast feeding

Conditions3

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