Dimethyl fumarate treatment in relapsed and refractory cutaneous T-cell lymphoma : a multicenter phase 2 study

© 2023 by The American Society of Hematology. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0), permitting only noncommercial, nonderivative use with attribution. All other rights reserved..

Targeted therapies for cutaneous T-cell lymphoma (CTCL) are limited and curative approaches are lacking. Furthermore, relapses and drug induced side effects are major challenges in the therapeutic management of patients with CTCL, creating an urgent need for new and effective therapies. Pathologic constitutive NF-κB activity leads to apoptosis resistance in CTCL cells and, thus, represents a promising therapeutic target in CTCL. In a preclinical study we showed the potential of dimethyl fumarate (DMF) to block NF-κB and, specifically, kill CTCL cells. To translate these findings to applications in a clinical setting, we performed a multicentric phase 2 study evaluating oral DMF therapy in 25 patients with CTCL stages Ib to IV over 24 weeks (EudraCT number 2014-000924-11/NCT number NCT02546440). End points were safety and efficacy. We evaluated skin involvement (using a modified severity weighted assessment tool [mSWAT]), pruritus, quality of life, and blood involvement, if applicable, as well as translational data. Upon skin analysis, 7 of 23 (30.4%) patients showed a response with >50% reduction in the mSWAT score. Patients with high tumor burden in the skin and blood responded best to DMF therapy. Although not generally significant, DMF also improved pruritus in several patients. Response in the blood was mixed, but we confirmed the NF-κB-inhibiting mechanism of DMF in the blood. The overall tolerability of the DMF therapy was very favorable, with mostly mild side effects. In conclusion, our study presents DMF as an effective and excellently tolerable therapeutic option in CTCL to be further evaluated in a phase 3 study or real-life patient care as well as in combination therapies. This trial was registered at www.clinicaltrials.gov as #NCT02546440.

Errataetall:

CommentIn: Blood. 2023 Aug 31;142(9):753-754. - PMID 37651156

Medienart:

E-Artikel

Erscheinungsjahr:

2023

Erschienen:

2023

Enthalten in:

Zur Gesamtaufnahme - volume:142

Enthalten in:

Blood - 142(2023), 9 vom: 31. Aug., Seite 794-805

Sprache:

Englisch

Beteiligte Personen:

Nicolay, Jan P [VerfasserIn]
Melchers, Susanne [VerfasserIn]
Albrecht, Jana D [VerfasserIn]
Assaf, Chalid [VerfasserIn]
Dippel, Edgar [VerfasserIn]
Stadler, Rudolf [VerfasserIn]
Wehkamp, Ulrike [VerfasserIn]
Wobser, Marion [VerfasserIn]
Zhao, Jing [VerfasserIn]
Burghaus, Ina [VerfasserIn]
Schneider, Sven [VerfasserIn]
Gülow, Karsten [VerfasserIn]
Goerdt, Sergij [VerfasserIn]
Schürch, Christian M [VerfasserIn]
Utikal, Jochen S [VerfasserIn]
Krammer, Peter H [VerfasserIn]

Links:

Volltext

Themen:

Clinical Trial, Phase II
Dimethyl Fumarate
FO2303MNI2
Journal Article
Multicenter Study
NF-kappa B
Research Support, Non-U.S. Gov't

Anmerkungen:

Date Completed 01.09.2023

Date Revised 24.03.2024

published: Print

ClinicalTrials.gov: NCT02546440

CommentIn: Blood. 2023 Aug 31;142(9):753-754. - PMID 37651156

Citation Status MEDLINE

doi:

10.1182/blood.2022018669

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM35719649X