Expression of IL4 Induced Gene 1 in Patients With Cutaneous Melanoma: Value in Prognosis and/or in Predictive Response to Immune Checkpoint Inhibitors

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

170 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-04-12

Study Completion Date

2025-02-28

Brief Summary

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To characterize and quantify immune cells expressing the Interleukine 4 induced gene 1 (IL4I1) immunosuppressive enzyme in the blood and in tissue of melanoma patients (primary tumor, sentinel lymph nodes and cutaneous metastases).

Then, to compare the results obtained in different clinical settings:

* in cases of progression of the disease slower or faster compared to the prognosis established by clinical and pathological data
* before and after treatments with immunotherapy (anti Programmed Death ligand 1 (anti-PD1) or anti-PD1 and anti Cytotoxic T Lymphocyte associated protein 4 (anti-CTLA-4)) and / or targeted therapies (BRAF inhibitors and /or methyl ethyl ketone (MEK)).

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Detailed Description

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The incidence of cutaneous melanoma is increasing, but the current prognostic parameters mainly based on histological data are insufficient to identify patients with high risk of recidive. In addition, current immunotherapies using PD-1 and/or CTLA-4 antibodies have long-lasting tumor control in a substantial fraction of patients but identify new markers of treatment resistance need further investigations. Clinical data highlight enzymes involved in amino acid catabolism as new potential prognostic markers in human melanoma. Among those, the IL4I1 phenylalanine oxidase may be a new relevant marker and may represent an easily targetable molecule for cancer immunotherapy.

The current retrospective study is designed to evaluate whether a high proportion of IL4I1 positive cells within the primary tumor and/or sentinel lymph nodes allows to predict the risk of cancer recurrence from the clinical diagnosis. Immunofluorescence and immunohistochemistry will be performed.

The longitudinal study of IL4I1 positive cells in the blood and cutaneous metastasis od patients will start before and after (three months and 1 year (or before in case of treatment resistance) the treatment with targeted therapy and/or immunotherapy as a first line. Treatment will be administered on an outpatient basis. No investigational or commercial cancer directed agents or therapies other than those described below may be administered.

It is designed to evaluate whether patients that resist to treatments exhibit a high proportion of IL4I1 positive cells and how is regulated the enzyme in the course of the treatment.

Conditions

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Cutaneous Melanoma

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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patients with primary thin melanoma < or = 1mm

patients with primary thin melanoma (Breslow thickness less than or equal 1 mm)

Group Type NO_INTERVENTION

No interventions assigned to this group

patients with primary thick melanoma > or = 3 mm

patients with primary thick melanoma (Breslow greater than or equal 3 mm)

Group Type NO_INTERVENTION

No interventions assigned to this group

patient with melanoma who received treatment

patient with melanoma (stages III or IV inoperable) and who received first line treatment with immunotherapy and / or targeted therapies

Group Type OTHER

Blood sample

Intervention Type BIOLOGICAL

Blood sample before treatment, 3 months after treatment and after 1 year or relapse or resumption of disease progression.

Cutaneous melanoma biopsy

Intervention Type BIOLOGICAL

Cutaneous melanoma biopsy before treatment, 3 months after treatment and relapse or resumption of disease progression.

Interventions

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Blood sample

Blood sample before treatment, 3 months after treatment and after 1 year or relapse or resumption of disease progression.

Intervention Type BIOLOGICAL

Cutaneous melanoma biopsy

Cutaneous melanoma biopsy before treatment, 3 months after treatment and relapse or resumption of disease progression.

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* group 1: patients with primary thin melanoma (Breslow thickness less than or equal to1 mm) monitored for 10 years, having relapsed or not within 10 years after the diagnosis.

* patients with no other concomitant cancers requiring systemic treatment at the time of diagnosis of primary melanoma
* patient or patient's family (in case of death) informed of the objectives and modalities of the study and not opposed to participation in the study
* patient or patient's family (in case of death) not opposed to the use of part of the skin sample previously taken for the present research
* group 2: patients with primary thick melanoma (Breslow greater than or equal to 3 mm) monitored for 5 years, having relapsed or not within 5 years after diagnosis.

* patient with no other concomitant cancers requiring systemic treatment at the time of diagnosis of primary melanoma
* patient or patient's family (in case of death) informed of the objectives and modalities of the study and not opposed to participation in the study
* patient or patient's family (in case of death) not opposed to the use of part of the skin sample previously taken for the present research
* group 3: patient with melanoma (stages III or IV inoperable) and who are treated with immunotherapy and / or biotherapy

* patient with no other concomitant cancers requiring systemic treatment at the time of diagnosis of primary melanoma and initiation of systemic treatment for melanoma
* patient informed of the objectives and modalities of the study and having given informed and written consent to participate in the study

Exclusion Criteria

* groups 1 and 2: patient or family of the patient opposed (e) that part of the primary melanoma taken previously is used in the context of the present project
* group 3 :

* refusal of the patient to participate in the study
* patient unable to understand the study and sign consent
* patient with a known contraindication to xylocaine
* patient not affiliated to a social security system (beneficiary or beneficiary's right)
* adult subject to a legal protection measure

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No