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Clinical Trial Summary

Oropharyngeal squamous cell carcinoma (OPSCC) is now the most frequently diagnosed head and neck cancer in Denmark which is mainly due to the increase of Human Papillomavirus (HPV). Patients with HPV-positive OPSCC have a significantly higher survival rate compared to HPV-negative OPSCC. The traditional primary treatment modality in Denmark is Intensity Modulated Radiation Therapy (IMRT), and in advanced stages in combination with chemotherapy. Since 2009, Transoral Robotic Surgery (TORS) has enabled surgeons to perform minimally invasive surgery as an alternative to standard radiotherapy treatment which is considered the primary treatment for OPSCC in many countries. There is a lack of randomised trials comparing long-term functional outcomes after TORS or IMRT. Current data are mostly derived from retrospective studies with selection bias. However, several small retrospective studies have shown promising results when comparing the two treatment modalities in favour of TORS with regards to treatment related swallowing function and quality of life (QoL) without compromising survival outcomes. This study aims to evaluate the early and long-term functional outcomes following two treatment arms 1) TORS combined with neck dissection and 2) IMRT±concurrent chemotherapy with a special focus on swallowing-related QoL.


Clinical Trial Description

The current study is performed as a nationwide randomized phase III study that aims to investigate the long-term functional outcomes after primary TORS and neck dissection vs. IMRT±concurrent chemotherapy for early-stage oropharyngeal squamous cell carcinoma. The study is a registered Danish Head and Neck Cancer Group (DAHANCA) 34 protocol. The investigators hypothesise that primary TORS±adjuvant therapy will significantly improve the QoL at 12 months follow-up compared to IMRT±concurrent chemotherapy. Primary endpoint: QoL measured by a composite MD Anderson Dysphagia Inventory (MDADI) score evaluated at 12 months follow-up after treatment (10-point difference) Study design: Patients who meet the inclusion criteria will be recruited from three Danish head and neck cancer centers: Copenhagen University Hospital Rigshospitalet, Aarhus University Hospital and Odense University Hospital. Prior to treatment, all patients will be reviewed and examined at a multidisciplinary team conference. Included patients will be randomized in 2:1 ratio: Arm 1 (experimental), n=92 patients: TORS+neck dissection. Arm 2 (control), n=46 patients: IMRT±concurrent chemotherapy DAHANCA Secretariat is responsible for the randomization key to either experimental or control arm. The investigators will stratify for p16, sex, tumour location and clinical tumor- and nodal-stage (T- and N-stage) classification at time of inclusion to avoid an uneven distribution in the experimental arm compared to the control arm. Specifics for the experimental arm: Patients with clinically positive neck (cN+) will be offered a staging neck within 8 days prior to the planned TORS. Based on final pathology of the neck specimen, patients will either be referred for definitive IMRT± concurrent chemotherapy (extracapsular extension (ECE), or more than two lymph node metastases) or they will undergo TORS (no extracapsular exension and maximally two lymph node metastases). For patients with clinically no evidence of lymph node metastasis (cN0), neck dissection can be performed either before (within 8 days) or concurrently (same day procedure) with TORS. Indications for adjuvant radiotherapy: Nodal site: - More than two lymph node metastases - Two lymph node metastases and both above 1 cm in diameter. - Any pathological positive lymph nodes (pN+) with extracapsular extension (ECE) - A neck dissection nodal yield of less than 10 lymph nodes per side (after total embedding of the remaining fat tissue) Tumour site: - Involved or close resection margins of < 2 mm if free margins was not obtained after supplementary resections per-operatively or after re-resection in a secondary procedure. - In case of stage migration to tumour stages T3 or T4, in an otherwise radical operation (R0), adjuvant therapy will be offered based on a postoperative consultation between the patient, the surgeon and an oncologist. Indications for adjuvant chemotherapy: • Insufficient resection margin (<2mm) or ECE Specifics for the control arm: Radiotherapy Quality Assurance Reviews are aimed to be performed before the third treatment fraction by a team from another head-neck oncology center consisting of one physicist and one oncologist. The patient specific review will address the following points according to the DAHANCA guideline: Clinical Target Volume (CTV) and Organs-at-Risk (OAR) delineation, target dose coverage, OAR dose sparing and treatment length. Funding: The study protocol was initiated by the Department of Otorhinolaryngology, Head & Neck surgery at Copenhagen University Hospital Rigshospitalet. Funding grants have been received by the Danish Health Authority ("Midler til eksperimentel kræftkirurgi"), by the Copenhagen University Hospital Rigshospitalet ("Rammebevilling") and Odense University Hospital ("Forskningspulje mellem OUH og RH"). Data management and ethical considerations: Data is stored and handled in accordance with the Danish Data Agency regulations, The General Data Protection Regulation (GDPR) 2016/679 in European Union (EU) law on data protection and privacy for all individual citizens of the EU and the European Economic Area (EEA), and in compliance with the national data agreement between the study locations in compliance with the Danish Data Protection Agency approval (ID: RH-2017-362). During the trial, the Good Clinical Practice (GCP) unit in Aarhus will monitor the study trial according to the given protocol and the current legislation. The monitoring period will consist of the first 12 months of inclusion until the primary endpoint. This study has been approved by the Regional Committee on Health Research Ethics (ID: H-17031827) ;


Study Design


Related Conditions & MeSH terms

  • Carcinoma
  • Carcinoma, Squamous Cell
  • Communicable Diseases
  • DNA Virus Infections
  • Head and Neck Neoplasms
  • Infections
  • Neoplasms
  • Neoplasms by Histologic Type
  • Neoplasms by Site
  • Neoplasms, Glandular and Epithelial
  • Neoplasms, Squamous Cell
  • Oropharyngeal Neoplasms
  • Oropharynx Cancer
  • Oropharynx Squamous Cell Carcinoma
  • Otorhinolaryngologic Diseases
  • Otorhinolaryngologic Neoplasms
  • Papillomavirus Infections
  • Pharyngeal Diseases
  • Pharyngeal Neoplasms
  • Pharyngeal Neoplasms Malignant and Unspecified
  • Quality of Life
  • Squamous Cell Carcinoma of Head and Neck
  • Tumor Virus Infections
  • Virus Diseases

NCT number NCT04124198
Study type Interventional
Source Rigshospitalet, Denmark
Contact Hani Ibrahim Channir, MD, PhD
Phone +4520259637
Email Hani.ibrahim.channir.02@regionh.dk
Status Recruiting
Phase N/A
Start date March 1, 2019
Completion date January 2029

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