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

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

NCT ID: NCT06446713

Condition: Head and Neck Cancer
Oropharyngeal Cancer

Conditions: Official terms:
Head and Neck Neoplasms
Oropharyngeal Neoplasms

Conditions: Keywords:
Proton therapy
Hyperfractionation
Dose-escalation
Image guidance therapy
Adaptive radiotherapy

Study type: Interventional

Study phase: Phase 1

Overall status: Not yet recruiting

Study design:

Allocation: N/A

Intervention model: Single Group Assignment

Intervention model description: Single arm Bayesian Phase I intervention study

Primary purpose: Treatment

Masking: None (Open Label)

Masking description: All participants receive the experimental treatment

Intervention:

Intervention type: Radiation
Intervention name: Image guided hybrid hyper-fractioned dose escalation with proton therapy
Description: Radiation: Image-guided hybrid hyper-fractioned dose escalation with proton therapy The investigational radiation regime will be administered in a two-part schedule: - The first 4 weeks (i.e. first 20 fractions) of the radiation treatment of the pathological tumor will be according to the conventional clinical standard with proton therapy: 20x 2 Gy to the CTV70 and 20 x 1.55 Gy to the CTV54. - In week 4 (~ fraction 16) GTV80 will be determined on conventional weekly CT and additional MR imaging (conventional clinical protocol). Only this adapted tumor volume, the so-called GTV80, will receive the dose escalation (i.e., 80.5 Gy). - In the last 3 weeks (last 15 fractions) patients will be radiated twice per day (i.e. hyperfractionation). The GTV80, CTV70 and CTV54 will receive 1.55 Gy in the morning, and the GTV80 and CTV70 will receive additional dose in the afternoon.
Arm group label: Image guided hybrid hyper-fractioned dose escalation with proton therapy

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

Detailed description: For this study, the investigators propose a novel design to safely achieve tumor radiation dose escalation with proton therapy plus standard-of-care concomitant chemotherapy. Through mid-treatment image guidance, the tumor boost dose is determined; subsequently, only that GTV boost will receive a total dose of 80 Gy through hybrid hyperfractionation. This refers to twice-daily radiation in the last 15 fraction days. The combination of boost dose hyperfractionation and proton therapy is anticipated to prevent critical normal tissue damage within both the high- and intermediate-dose regions. This novel treatment approach aims to minimize critical toxicities while improving locoregional control for head and neck cancer patients who are at a higher risk of disease relapse.

Criteria for eligibility:
Criteria:
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

Gender: All

Minimum age: 18 Years

Maximum age: N/A

Healthy volunteers: No

Locations:

Facility:
Name: UMC Groningen

Address:
City: Groningen
Country: Netherlands

Contact:
Last name: L.V. van Dijk, dr.

Phone: 031655257381
Email: l.v.van.dijk@umcg.nl

Start date: July 1, 2024

Completion date: July 1, 2028

Lead sponsor:
Agency: University Medical Center Groningen
Agency class: Other

Collaborator:
Agency: M.D. Anderson Cancer Center
Agency class: Other

Source: University Medical Center Groningen

Record processing date: ClinicalTrials.gov processed this data on November 12, 2024

Source: ClinicalTrials.gov page: https://clinicaltrials.gov/ct2/show/NCT06446713