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Randomized, Open-label Economic and Medical Study on the Lymph Node Management of Squamous Cell Carcinoma of the Oral Cavity and Oropharynx Tumor Stage 1 or 2, Nodes 0 (T1-T2 N0) Operable (SentiMERORL)

University Hospital Center (CHU) logo

University Hospital Center (CHU)

Status

Completed

Conditions

Head and Neck Tumors

Treatments

Other: Surgery: Classic strategy
Other: Surgery: GS strategy

Study type

Interventional

Funder types

Other

Identifiers

NCT02855723
2007- AO1191-52 (Other Identifier)
UF 5023

Details and patient eligibility

About

Currently, patients with cancer of oral cavity or oropharynx T1-T2N0 classified, are treated surgically with systematic lymph node dissection while in 70%, there is no lymph node metastasis. The technique of identifying the sentinel node (GS) is validated for these tumors because the status of the sentinel node is predictive of the other nodes status in the neck. This helps to diagnose the presence of metastases without lymph node dissection and thus select patients requiring a treatment node. However, the oncological and functional results of a therapeutic strategy based on identifying the GS is unknown.

This open-label randomized multicenter clinical trial aims to compare the oncologic and functional outcome of two strategies : the current management versus the management based on the sentinel lymph node.

The hypothesis is based on a nodal control difference at 2 years in both arms not exceeding 10%. The medico-economic analysis will be conducted in two stages : a classic stage on 2 years with estimated incremental cost-effectiveness and incremental cost-utility, then a step with log term modeling.

A reduction in morbidity and treatment costs in the sentinel node arm are expected in this study.

Full description

This study schedules the screening visit (V0) and then 9 follow-up visits during 24 months.

At the screening, after verification of the eligibility criteria and signature of the informed consent form, the subject will be randomized in one of 2 arms. At the inclusion the following exams have to be done : clinical exam, panendoscopy, cytologic and histologic analysis and CT-Scan (or MRI). For each visit, the investigator will perform a clinical exam and the subjects should complete some questionnaires themselves from V0 to V3, V6 (12 months) and V9. At the last visit (24 months) the patients will have a CTC-Scan ou MRI.

At the end of the follow-up period (24 months), the data of subjects survival will be recorded during three years.

Enrollment

307 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Man or woman age over 18 without upper age limit
  2. Social Insured
  3. Patient Information and Informed Consent signed by the patient
  4. Patient not participating in another trial since the legal time
  5. Absence of any previous treatment for cancer of the Upper AeroDigestive Tract (VADS)
  6. Patient with primary squamous cell carcinoma of the oral cavity or oropharynx documented by biopsy with histopathologic analysis not older than 1 month
  7. curable or operable tumor with radiation under the Tumor, Nodes, Metastasis (TNM) stage, location and the patient's general condition
  8. Stage T1 and T2
  9. Tumor listed N0 satisfying the following conditions (21 days validity period): A) absence of lymphadenopathy palpable on clinical examination of the ENT investigator. B) CT scan or MRI with injection of contrast product: lack of suspicious adenomegaly for metastasis = node size less than one centimeter and 1.5 cm for the group IIa, ovoid, homogeneous, not taking contrast and showing no signs of lymph perinodal invasion ( hyperdensity fat, vascular adhesion), absence of lymph node group (> 3)
  10. Systematic ENT endoscopy eliminating a second synchronous tumor and precisely establishing the T (21 days validity period)
  11. Absence of metastasis: M0

Exclusion criteria

  1. Failure of one of the inclusion criteria

  2. Other cancer being treated

  3. Non-invasive tumor: high-grade dysplasia, carcinoma in situ

  4. Inadequate tumor excision: margins invaded without further recovery in safe zone

  5. Contraindications to surgery such sentinel node or lymph node dissection

  6. Contraindications to radiotherapy

  7. Contraindications to performing a scan:

    • Known allergy or intolerance to the injected product and particularly with Technetium-99
    • Pregnancy
  8. Refusal to accept the full treatment regardless of the strategy

  9. Follow-up not possible

  10. Refusal to accept the described follow-up and / or provide the necessary information for the study

  11. Patient already treated for the tumor outside an excision biopsy

  12. Patient who previously had chemotherapy or immunotherapy for another cancer outside VADS within less than 6 months

  13. Patient undergoing cervical or VADS radiotherapy whatever the cause or time

  14. Patient who have had cervical spine surgery regardless of the cause or time

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

307 participants in 2 patient groups

GS strategy
Active Comparator group
Description:
sentinel node biopsy
Treatment:
Other: Surgery: GS strategy
Classic strategy
Other group
Description:
systematic lymphadenectomy
Treatment:
Other: Surgery: Classic strategy

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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