Study to Evaluate the Interest of Qutenza in Patients With Head and Neck Cancer in Remission and With Sequelae Neuropathic Pain.

Recruitment & Eligibility

Inclusion Criteria

Age ≥ 18 years.
ORL cancer in remission: absence of clinical or radiological signs of progression at least 3 months after specific treatments.
Pain of the cervico-facial sphere persisting for more than 3 months after surgical and/or radiotherapy treatment.
Peripheral neuropathic character of pain objectified to a score ≥ 4/10 on the DN4 questionnaire.
Pain whose average intensity over the last 24 hours is assessed on the numerical scale as ≥ 2/10.
Postmenopausal patient or patient who agrees to use effective contraception for the duration of treatment and for a minimum of 15 days after the end of the treatment period. Non-menopausal patients must have a negative pregnancy test prior to inclusion in the study.
Patient affiliated to a Social Health Insurance in France.
Patient who signed informed consent prior to inclusion in the study and prior to any specific study procedures.

Exclusion Criteria

ORL cancer in progression.
Other concomitant neoplasia (progressive or not).
Central etiology of pain.
Pain whose average intensity over the last 24 hours is assessed on the numerical scale as < 2/10.
Allergy to any of the components of the capsaicin patch.
Capsaicin patch not applicable to the area to be treated despite the precautions described in the protocol because of its proximity to mucous membranes or eyelids.
Contraindication to amitriptyline treatment.
Patient with an unhealed skin lesion on the area to be treated.
Previous treatment with capsaicin or amitriptyline.
Topical treatment of the painful area used for more than 21 days before inclusion.
Ongoing opioid treatment > 80mg/day oral morphine equivalent.
Uncontrolled high blood pressure or cardiovascular history (infarction, stroke, pulmonary embolism) less than 3 months ago.
Patient included in another interventional therapeutic trial.
Pregnant or breastfeeding patient.
Any psychological, family, geographical or sociological condition that prevents compliance with the medical follow-up and/or procedures of the study protocol.
Patient who has forfeited his/her freedom by administrative or legal award or who is under legal protection (curatorship and guardianship, protection of justice).

Study & Design

Arm && Interventions

Group	Intervention	Description
Experimental arm (A): capsaicin patch	Capsaïcin patch (Qutenza®)	-
Standard arm (B): amitriptyline	Amitriptyline (Laroxyl®)	-

Primary Outcome Measures

Name	Time	Method
The rate of patients with a decrease in average pain over the last 24 hours by 2 points at 9 months compared to inclusion.	9 months for each patient	Pain will be assessed using a numerical scale from 0 to 10.

Secondary Outcome Measures

Name	Time	Method
Neuropathic pain according to the Neuropathic Pain Symptom Inventory (NPSI) questionnaire.	9 months for each patient
Adverse events of the drugs evaluated using the NCI-CTC AE V5.	9 months for each patient
Quality of life evaluated according to the Quality of Life Questionnaire-Core 30 (QLQ-C30).	9 months for each patient

Recruitment & Eligibility