Communications medicine · 2026
Canakinumab or emavusertib for anemia in lower-risk MDS: results of the CANFIRE and LUCAS phase 2, open-label, multicenter trials.
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Platzbecker Anne Sophie, Zoldan Katharina, Brauer Dominic, Kiewe Philipp, Sasca Daniel, Sockel Katja, Illmer Thomas, Giagounidis Aristoteles, Nowak Daniel, Rieger Kathrin, Wortmann Friederike, Götze Katharina, Schmidt-Hieber Martin, Mayer Karin, Vehling-Kaiser Ursula, Weide Rudolf, Mahlmann Stefan, Przybilla Jens, Melzer Susanne, Cross Michael, Schneider Marie, Hasenclever Dirk, Metzeler Klaus H, Platzbecker Uwe
Аннотация
BACKGROUND: Dysregulated innate immune signaling promotes inflammatory suppression of hematopoietic stem and progenitor cell function, contributing to ineffective erythropoiesis in myelodysplastic neoplasms (MDS). The phase 2, open-label CANFIRE and LUCAS trials aimed to determine the efficacy and safety of canakinumab or emavusertib, respectively, in patients with lower-risk MDS (LR-MDS) or myelodysplastic/myeloproliferative neoplasms (MDS/MPN).
METHODS: Patients in CANFIRE were refractory, intolerant to, or ineligible for erythropoiesis-stimulating agent (ESA) treatment and received canakinumab 200 mg subcutaneously every 21 days for up to eight cycles within the first six months of treatment. Patients in LUCAS were either refractory or intolerant to ESAs (cohort A) or ESA-naïve with serum erythropoietin levels >200 U/L (cohort B); all patients received emavusertib 200-300 mg orally twice daily for 21 days in up to four 28-day cycles. The primary endpoint for both trials was hematologic improvement-erythroid per International Working Group 2018 criteria at the end of the planned treatment period. CANFIRE was registered at ClinicalTrials.gov (NCT05237713; registered January 21, 2022). LUCAS was registered in the EU Clinical Trials Register (EudraCT 2020-003986-20; registered March 15, 2021) and at ClinicalTrials.gov (NCT05178342; registered November 2, 2021).
RESULTS: Here we show that of 11 patients enrolled in CANFIRE and 36 patients enrolled in LUCAS, no patients in either trial achieved the primary endpoint. Canakinumab treatment was well-tolerated, with no reported serious adverse events (SAEs) and no patients died in the CANFIRE trial. In the LUCAS trial, 15 patients reported SAEs, and four patients died. CANFIRE and LUCAS were terminated early due to inadequate patient recruitment and after a pre-planned interim futility analysis, respectively.
CONCLUSIONS: Inhibition of IL-1β or IRAK4 signaling with canakinumab or emavusertib did not result in hematologic improvement in patients with LR-MDS.
METHODS: Patients in CANFIRE were refractory, intolerant to, or ineligible for erythropoiesis-stimulating agent (ESA) treatment and received canakinumab 200 mg subcutaneously every 21 days for up to eight cycles within the first six months of treatment. Patients in LUCAS were either refractory or intolerant to ESAs (cohort A) or ESA-naïve with serum erythropoietin levels >200 U/L (cohort B); all patients received emavusertib 200-300 mg orally twice daily for 21 days in up to four 28-day cycles. The primary endpoint for both trials was hematologic improvement-erythroid per International Working Group 2018 criteria at the end of the planned treatment period. CANFIRE was registered at ClinicalTrials.gov (NCT05237713; registered January 21, 2022). LUCAS was registered in the EU Clinical Trials Register (EudraCT 2020-003986-20; registered March 15, 2021) and at ClinicalTrials.gov (NCT05178342; registered November 2, 2021).
RESULTS: Here we show that of 11 patients enrolled in CANFIRE and 36 patients enrolled in LUCAS, no patients in either trial achieved the primary endpoint. Canakinumab treatment was well-tolerated, with no reported serious adverse events (SAEs) and no patients died in the CANFIRE trial. In the LUCAS trial, 15 patients reported SAEs, and four patients died. CANFIRE and LUCAS were terminated early due to inadequate patient recruitment and after a pre-planned interim futility analysis, respectively.
CONCLUSIONS: Inhibition of IL-1β or IRAK4 signaling with canakinumab or emavusertib did not result in hematologic improvement in patients with LR-MDS.