FRACTION: protocol of a phase II study of Fedratinib and Nivolumab combination in patients with myelofibrosis and resistance or suboptimal response to JAK-inhibitor treatment of the German MPN study group (GSG-MPN).

Checkpoint-inhibitor Disease modification Fedratinib Myelofibrosis (MF) Myeloproliferative Neoplasms (MPN) Nivolumab

Journal

Annals of hematology
ISSN: 1432-0584
Titre abrégé: Ann Hematol
Pays: Germany
ID NLM: 9107334

Informations de publication

Date de publication:
05 Jul 2024
Historique:
received: 24 05 2024
accepted: 25 06 2024
medline: 5 7 2024
pubmed: 5 7 2024
entrez: 5 7 2024
Statut: aheadofprint

Résumé

Development of Janus-kinase (JAK) inhibitors has revolutionized the therapeutic landscape for patients with myeloproliferative neoplasia (MPN). Following approval of the first JAK1/2-inhibitor Ruxolitinib, symptoms of this inflammatory disease, characterized by splenomegaly, release of inflammatory cytokines and appearance of thrombosis, could be effectively reduced for the first time. However, JAK-inhibitor treatment is limited in several aspects: 1) duration of response: 3 years after initiation of therapy more than 50% of patients have discontinued JAK-inhibitor treatment due to lack of efficacy or resistance; 2) reduction of disease burden: while effective in reducing inflammation and constitutional symptoms, JAK-inhibitors fail to reduce the malignant clone in the majority of patients and therefore lack long-term efficacy. Early clinical trials for patients with myelofibrosis (MF) have tried to address these issues for patients with suboptimal response to Ruxolitinib therapy while combination therapies with Fedratinib are rare. Recent reports provided first evidence on how the JAK2-V617F mutated myeloid cells may influence T-cell responses. JAK2-V617F promoted the synthesis of PD-L1 in MPN cells leading to limited anti-neoplastic T-cell responses, metabolic changes in T-cells and eventually JAK2-V617F-driven immune-escape of MPN cells. These findings may facilitate the use of immunotherapeutic approaches for JAK-mutated clones. Immune checkpoints refer to a variety of inhibitory pathways that are crucial for maintaining self-tolerance and modulating the duration and amplitude of physiological immune responses in peripheral tissues in order to minimize collateral tissue damage. The FRACTION study is a single arm, open label Phase II trial investigating the combination of Fedratinib with the PD-1 inhibitor Nivolumab in patients with myelofibrosis and suboptimal or lack of response to JAK-inhibitor therapy. Over a 12 months period the trial assesses longer term outcomes, particularly the effects on clinical outcomes, such as induction of clinical remissions, quality of life and improvement of anemia. No prospective clinical trial data exist for combinations of JAK- and immune-checkpoint-inhibitors in the planned MF study population and this study will provide new findings that may contribute to advancing the treatment landscape for MF patients with suboptimal responses and limited alternatives.

Identifiants

pubmed: 38967662
doi: 10.1007/s00277-024-05867-w
pii: 10.1007/s00277-024-05867-w
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Informations de copyright

© 2024. The Author(s).

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Auteurs

Susanne Isfort (S)

Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School (MHH), Carl-Neuberg-Str. 1, Hannover, 30625, Germany.

Nikolas von Bubnoff (N)

Department of Hematology and Oncology, University Hospital Lübeck, Lübeck, Germany.

Haifa Kathrin Al-Ali (HK)

University Hospital Halle (Saale), Krukenberg Cancer Center Halle, Halle, Germany.

Heiko Becker (H)

Department of Medicine I - Medical Center - University of Freiburg, Faculty of Medicine, University of , Freiburg, Freiburg, Germany.

Thorsten Götze (T)

Krankenhaus Nordwest, University Cancer Center (UCT), Frankfurt, Germany.
Institut für Klinische Krebsforschung IKF Am Krankenhaus Nordwest, Frankfurt, Germany.

Philipp le Coutre (P)

Department of Hematology, Oncology and Stem Cell Transplantation, Charite Berlin, Germany.

Martin Griesshammer (M)

Mühlenkreisklinikum Minden, Universitätsklinikum Bochum, Minden, Germany.

Claudia Moskwa (C)

Internal Medicine C, Hematology, Oncology, Stem Cell Transplantation and Palliative Care, University Medicine Greifswald, Greifswald, Germany.

Luisa Wohn (L)

Institut für Klinische Krebsforschung IKF Am Krankenhaus Nordwest, Frankfurt, Germany.

Johanna Riedel (J)

Institut für Klinische Krebsforschung IKF Am Krankenhaus Nordwest, Frankfurt, Germany.

Francesca Palandri (F)

IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Istituto Di Ematologia "Seràgnoli", Bologna, Italy.

Kirsi Manz (K)

Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School (MHH), Carl-Neuberg-Str. 1, Hannover, 30625, Germany.
Institute for Community Medicine - SHIP-KEF, Universitätsmedizin Greifswald, Greifswald, Germany.

Andreas Hochhaus (A)

Klinik für Innere Medizin II, Abteilung Hämatologie und Internistische Onkologie, Universitätsklinikum Jena, Jena, Germany.

Konstanze Döhner (K)

Department of Internal Medicine III, University Hospital of Ulm, Ulm, Germany.

Florian H Heidel (FH)

Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School (MHH), Carl-Neuberg-Str. 1, Hannover, 30625, Germany. heidel.florian@mh-hannover.de.
Internal Medicine C, Hematology, Oncology, Stem Cell Transplantation and Palliative Care, University Medicine Greifswald, Greifswald, Germany. heidel.florian@mh-hannover.de.

Classifications MeSH