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Early Diagnosis of Mycosis Fungoides — DIAPREMYF  

Cutaneous T Cell Lymphoma Clinical Trial

Official title:
Evaluation of a Combination of Blood Biomarkers for the Early Diagnosis of Mycosis Fungoides

Clinical Trial Summary

Mycosis fungoides (MF) is an epidermotropic cutaneous T cell lymphoma characterized by the accumulation of CD4+ T-lymphocytes in the skin. Early MF presents as erythematous patches and/or infiltrated plaques. The diagnosis of early MF is a major diagnostic challenge and the differential diagnosis with inflammatory dermatoses is often very difficult. The histopathological diagnosis is also difficult and delayed. Therefore, it is important to develop biomarkers and/or a combination of biomarkers in order to improve the early diagnostic of MF.

In a previous trial, investigators included 490 patients in a study aiming at identifying skin biomarkers of early MF. Several activating and inhibiting KIRs were found to be interesting for the skin diagnostic of MF, mainly KIR2DL4 and KIR3DL2. Investigators later evaluated blood biomarkers in patients with erythrodermic MF and Sezary Syndrome (SS). This French institutional study demonstrated that the identification by PCR of a combination of 4 blood markers (CD158k/KIR3DL2, PLS3/T-Plastin, Twist and NKp46) allowed a reliable diagnosis of lymphoma in erythrodermic patients. This previously published study interestingly showed that 30% to 50% of patients with early MF expressed at least one of these biomarkers in the blood (unpublished data). Other groups also recently showed that TOX can be a diagnostic tool for MF.

The aim of this study is to establishing an accurate blood diagnosis for early suspected MF by demonstrating that newly identified biomarkers or their combination [5 cutaneous KIR receptor markers (KIR2DS1, KIR2DS3, KIR3DL1, KIR2DL4, KIR3DL2) and 5 blood biomarkers (TOX, Twist-1, PLS3/T-plastin, KIR3DL2, NKp46)] are differentially expressed by patients with MF and patients with inflammatory dermatoses closely resembling MF lesions.

Statistical analysis will establish the best combination of blood biomarkers allowing the differentiation between the two groups of patients, combination that could represent a suitable diagnostic tool for early MF.

Clinical Trial Description

n/a

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02539472
Study type Interventional
Source Assistance Publique - Hôpitaux de Paris
Contact Zakia IDIR
Phone 33144 84 17 47
Email zakia.idir@sls.aphp.fr
Status Recruiting
Phase N/A
Start date November 2015
Completion date November 2017
View Details
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