Real-life efficacy of immunotherapy for Sézary syndrome: a multicenter observational cohort study - Immuno-Régulation dans les Maladies Auto-Immunes Inflammatoires et le Cancer - EA 7509 IRMAIC
Article Dans Une Revue EClinicalMedicine Année : 2024

Real-life efficacy of immunotherapy for Sézary syndrome: a multicenter observational cohort study

1 HIPI (UMR_S_976 / U976) - Immunologie humaine, physiopathologie & immunothérapie
2 UPCité - Université Paris Cité
3 Service de Dermatologie [AP-HP Hôpital Saint-Louis]
4 CHU Bordeaux - Centre Hospitalier Universitaire de Bordeaux
5 Inserm U1312 - BRIC - BoRdeaux Institute in onCology
6 CHRU Montpellier - Centre Hospitalier Régional Universitaire [Montpellier]
7 Service Dermatologie et Oncologie Cutanée [CHU Clermont-Ferrand]
8 INCIT - Immunology and New Concepts in ImmunoTherapy
9 CHU Nantes - Centre Hospitalier Universitaire de Nantes = Nantes University Hospital
10 CIC Nantes - Centre d’Investigation Clinique de Nantes
11 UNIL - Université de Lausanne = University of Lausanne
12 CHUV - Centre Hospitalier Universitaire Vaudois = Lausanne University Hospital [Lausanne]
13 HCL - Hospices Civils de Lyon
14 Centre hospitalier de Valence
15 URCA - Université de Reims Champagne-Ardenne
16 IRMAIC - Immuno-Régulation dans les Maladies Auto-Immunes Inflammatoires et le Cancer - EA 7509
17 UNIBE - Universität Bern = University of Bern = Université de Berne
18 Inselspital - Bern University Hospital [Berne]
19 CHU Marseille
20 Service de dermatologie [Avicenne]
21 Service de Dermatologie [CHU Cochin]
22 CHU Trousseau [Tours]
23 CHU Tenon [AP-HP]
24 AP-HP - Hôpital Bichat - Claude Bernard [Paris]
25 AP-HP - Hopital Saint-Louis [AP-HP]
26 Service de dermatologie [Bordeaux]
27 Hôpital Ambroise Paré [AP-HP]
28 UVSQ - Université de Versailles Saint-Quentin-en-Yvelines
29 Université Paris-Saclay
30 CHU de Poitiers [La Milétrie] - Centre hospitalier universitaire de Poitiers = Poitiers University Hospital
31 CH E.Muller Mulhouse - Centre Hospitalier Emile Muller [Mulhouse]
32 CHRO - Centre Hospitalier Régional d'Orléans
33 Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou]
34 CHRU Besançon - Centre Hospitalier Régional Universitaire de Besançon
35 Service Dermatologie [CHU Toulouse]
36 Service de dermatologie [Rouen]
37 CHUGA - Centre Hospitalier Universitaire [CHU Grenoble]
38 CHU Nice - Centre Hospitalier Universitaire de Nice
39 Hôpital Henri Mondor
40 CHRU Lille - Centre Hospitalier Régional Universitaire [CHU Lille]
41 Charité - UniversitätsMedizin = Berlin University Medicine
42 Service de biostatistiques et information médicale [Saint-Louis]
Nathalie Bonnet
  • Fonction : Auteur
Florent Amatore
  • Fonction : Auteur
Marie Donzel

Résumé

Background: Sézary syndrome is an extremely rare and fatal cutaneous T-cell lymphoma (CTCL). Mogamulizumab, an anti-CCR4 monoclonal antibody, has recently been associated with increased progression-free survival in a randomized clinical trial in CTCL. We aimed to evaluate OS and prognostic factors in Sézary syndrome, including treatment with mogamulizumab, in a real-life setting. Methods: Data from patients with Sézary (ISCL/EORTC stage IV) and pre-Sézary (stage IIIB) syndrome diagnosed from 2000 to 2020 were obtained from 24 centers in Europe. Age, disease stage, plasma lactate dehydrogenases levels, blood eosinophilia at diagnosis, large-cell transformation and treatment received were analyzed in a multivariable Cox proportional hazard ratio model. This study has been registered in ClinicalTrials (SURPASSe01 study: NCT05206045). Findings: Three hundred and thirty-nine patients were included (58% men, median age at diagnosis of 70 years, Q1-Q3, 61-79): 33 pre-Sézary (9.7% of 339), 296 Sézary syndrome (87.3%), of whom 10 (2.9%) had large-cell transformation. One hundred and ten patients received mogamulizumab. Median follow-up was 58 months (95% confidence interval [CI], 53-68). OS was 46.5% (95% CI, 40.6%-53.3%) at 5 years. Multivariable analysis showed that age ≥ 80 versus <50 (HR: 4.9, 95% CI, 2.1-11.2, p = 0.001), and large-cell transformation (HR: 2.8, 95% CI, 1.6-5.1, p = 0.001) were independent and significant factors associated with reduced OS. Mogamulizumab treatment was significantly associated with decreased mortality (HR: 0.34, 95% CI, 0.15-0.80, p = 0.013). Interpretation: Treatment with mogamulizumab was significantly and independently associated with decreased mortality in Sézary syndrome.
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Dates et versions

hal-04747906 , version 1 (23-10-2024)

Identifiants

Citer

Alizée Bozonnat, Marie Beylot-Barry, Olivier Dereure, Michel d'Incan, Gaëlle Quereux, et al.. Real-life efficacy of immunotherapy for Sézary syndrome: a multicenter observational cohort study. EClinicalMedicine, 2024, 73, pp.102679. ⟨10.1016/j.eclinm.2024.102679⟩. ⟨hal-04747906⟩
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