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Spots Global Cancer Trial Database for PEARL PET-based Adaptive Radiotherapy Clinical Trial

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Trial Identification

Brief Title: PEARL PET-based Adaptive Radiotherapy Clinical Trial

Official Title: PEARL: PET-based Adaptive Radiotherapy Clinical Trial

Study ID: NCT03935672

Study Description

Brief Summary: The PEARL study will recruit approximately 50 patients with human papillomavirus (HPV)-positive oropharyngeal squamous cell carcinoma (OPSCC) who are about to undergo primary treatment with concurrent chemo-radiation from South Wales (Velindre Cancer Centre and Singleton Hospital, Swansea) and Bristol. The main aim is to see whether it is feasible to preform a positron emission tomography-computed tomography (PET-CT) scan after 2 weeks of radiotherapy and re-plan the radiotherapy based on this PET-CT scan, to re-distribute the dose of radiotherapy being delivered, so that a smaller area of normal tissues in the mouth and throat are treated to a high dose of radiotherapy.

Detailed Description: PEARL is a prospective, interventional, non-randomised, phase II feasibility study for patients with good prognosis Human Papillomavirus (HPV)-associated oropharyngeal squamous cell cancer (OPSCC) who are suitable for treatment with concurrent chemo-radiotherapy (CCRT). The incidence of oropharyngeal squamous cell carcinoma (OPSCC) caused by Human Papillomavirus (HPV) infection (HPV-positive OPSCC) is increasing in the United Kingdom. It tends to affect younger patients and has a better outcome than most other head and neck cancers. A large proportion of patients diagnosed with HPV-positive OPSCC will undergo non-surgical treatment. This usually involves 6 to 7 weeks of chemo-radiotherapy, with chemotherapy being given weekly or during the first and fourth week of the radiotherapy course (CCRT). Many patients with HPV-positive OPSCC are cured of their disease but often have to live for several decades with the side effects of their treatment. Side effects from radiotherapy are usually caused because normal tissues surrounding the cancer receive radiation whilst the cancer itself is being treated. Positron emission tomography-computed tomography (PET-CT) scans are able to look at the metabolic (or biological) activity of cells and are currently recommended in the UK for response assessment after a patient has completed radiotherapy for a head and neck cancer but, as far as we know, have not yet been used routinely to adapt radiotherapy according to the individual patient's response during radiotherapy. PEARL will explore the feasibility of individually adapting the radiotherapy plan for each patient after 2 weeks of radical CCRT, based on biological changes in tumour activity seen on an interim FDG-PET-CT scan, carried out early on during a course of treatment. The aim is to reduce the dose of radiotherapy received by surrounding normal tissues to ultimately reduce toxicity. The study will establish the progression free survival rate (PFS) in patients who receive biologically adapted radiotherapy. Furthermore, it will also explore whether changes seen on PET-CT scan during treatment correlate with outcome and with changes in potential blood-based biomarkers of response. Toxicity rates will be assessed, particularly the effect of treatment on swallowing function.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Velindre Cancer Center at Velindre Hospital, Cardiff, Wales, United Kingdom

Singleton Hospital, Swansea, Wales, United Kingdom

University Hospitals Bristol NHS Foundation Trust, Bristol, , United Kingdom

Contact Details

Name: Mererid Evans

Affiliation: Velindre Cancer Centre

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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