Luspatercept in Preventing Poor Erythroid Engraftment for Hematological Malignancies With Moderate to Severe Myelofibrosis

Official title

The Efficacy and Safety of Luspatercept in Preventing Poor Erythroid Engraftment After Allo-HSCT for Hematological Malignancies With Moderate to Severe Myelofibrosis: A Prospective, Multicenter, Randomized Controlled Study

Overview

Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is an important treatment for hematological malignancies. Poor erythroid engraftment after transplantation is a serious complication, especially in patients with moderate to severe myelofibrosis (MF). Currently, there is a lack of effective prevention strategies for poor erythroid engraftment after transplantation. Luspatercept, a novel TGF-β superfamily signaling pathway modulator, has shown potential in small-sample studies for the treatment and prevention of post-transplant anemia. Given the high proportion and poor prognosis of poor engraftment function in hematological malignancies with moderate to severe myelofibrosis after transplantation, we plan to conduct a prospective, multicenter, randomized controlled study to explore the efficacy and safety of luspatercept in preventing poor erythroid engraftment after allo-HSCT in hematological malignancies with moderate to severe myelofibrosis.

Detailed description

Exploring appropriate prevention strategies for poor erythroid engraftment during transplantation is not only a significant scientific issue but also a major clinical problem. Luspatercept is a recombinant fusion protein that can target and regulate the signaling pathway of the transforming growth factor-β (TGF-β) superfamily. By binding to multiple TGF-β superfamily ligands, it weakens the Smad2/3 signaling pathway, thereby promoting the maturation and generation of red blood cells. In recent years, some small-sample studies have explored the efficacy and safety of luspatercept for preventive treatment in patients with hematological malignancies who received allo-HSCT, showing certain efficacy. However, these studies were retrospective and requires large-sample, prospective, randomized controlled studies for further verification. Currently, there are no prospective studies on preventive treatment for poor erythroid engraftment after allo-HSCT in patients with hematological malignancies.

The presence of fibrosis in the bone marrow before transplantation (MF), especially moderate/severe MF, is one of the main causes of post-transplant PGF. A small-sample clinical trial in our center previously showed that in patients with MDS/MPN and acute leukemia with MF grade 2/3, applying luspatercept at +7 and +21 days after transplantation could reduce the risk of early red cell transfusion after transplantation, and showed good safety. Based on the current research status and our previous studies, we plan to conduct a prospective, multicenter, randomized controlled study to explore the efficacy and safety of luspatercept in preventing poor erythroid engraftment after allo-HSCT in patients with hematological malignancies accompanied by moderate/severe MF.

Interventions

• Drug Luspatercept
  On the 7th day after allo-HSCT, the first dose of Luspatercept 1.0mg/kg was administered subcutaneously. If the peripheral blood HGB was \< 70g/L on the 21st day after allo-HSCT, the second dose of Luspatercept 1.0mg/kg was given subcutaneously; if the peripheral blood HGB was ≥ 70g/L on the 21st day after allo-HSCT, no second dose of Luspatercept subcutaneous injection was given.
• Other Control
  The patient will receive the best supportive treatment including blood transfusion.

Primary outcome measures

• Cumulative incidence of poor erythroid engraftment [Time frame: 28 days]

Secondary outcome measures (6)

• Red blood cell units [Time frame: 28 days]
• Overall survival [Time frame: 1 year]
• Disease-free survival [Time frame: 1 year]
• Cumulative rate of poor graft engraftment [Time frame: 1 year]
• Relapse [Time frame: 1 year]
• Non-relapse mortality [Time frame: 1 year]

Eligibility criteria

Inclusion criteria

• Age 18-65 years old, gender not restricted;
• ECOG score 0-2 points;
• Hematological malignancies with moderate to severe myelofibrosis
• Willing to undergo the first allo-HSCT with a suitable donor
• In a CR state before transplantation.

Exclusion criteria

• Has previously undergone allo-HSCT;
• ECOG score is 3-5;
• Expected lifespan after transplantation is less than 30 days;
• Has severe cardiac dysfunction, severe arrhythmia or severe pulmonary dysfunction (obstructive and/or restrictive ventilation disorder);
• Has severe liver dysfunction, with liver function indicators (aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin (TBIL)) more than twice the upper limit of normal;
• Has severe renal dysfunction, with creatinine (Cr) more than twice the upper limit of normal or 24-hour creatinine clearance rate (Ccr) lower than 30 ml/min;
• Has severe active bleeding;
• Patients judged by the investigator to be unsuitable for participating in this trial.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: No

Study design

Allocation

Randomized

Model

Parallel assignment

Masking

Open label

Primary purpose

Prevention

Study locations

China · 1 center

• Nanfang Hospital, Southern Medical University — Guangzhou

Publications

• Wobus M, Mies A, Asokan N, Oelschlagel U, Mobus K, Winter S, Cross M, Weidner H, Rauner M, Hofbauer LC, Bornhauser M, Platzbecker U. Luspatercept restores SDF-1-mediated hematopoietic support by MDS-derived mesenchymal stromal cells. Leukemia. 2021 Oct;35(10):2936-2947. doi: 10.1038/s41375-021-01275-5. Epub 2021 May 17. PMID 34002031
• Fenaux P, Santini V, Spiriti MAA, Giagounidis A, Schlag R, Radinoff A, Gercheva-Kyuchukova L, Anagnostopoulos A, Oliva EN, Symeonidis A, Berger MH, Gotze KS, Potamianou A, Haralampiev H, Wapenaar R, Milionis I, Platzbecker U. A phase 3 randomized, placebo-controlled study assessing the efficacy and safety of epoetin-alpha in anemic patients with low-risk MDS. Leukemia. 2018 Dec;32(12):2648-2658. d PMID 29895954
• Platzbecker U, Della Porta MG, Santini V, Zeidan AM, Komrokji RS, Shortt J, Valcarcel D, Jonasova A, Dimicoli-Salazar S, Tiong IS, Lin CC, Li J, Zhang J, Giuseppi AC, Kreitz S, Pozharskaya V, Keeperman KL, Rose S, Shetty JK, Hayati S, Vodala S, Prebet T, Degulys A, Paolini S, Cluzeau T, Fenaux P, Garcia-Manero G. Efficacy and safety of luspatercept versus epoetin alfa in erythropoiesis-stimulating PMID 37311468
• de Witte T, Bowen D, Robin M, Malcovati L, Niederwieser D, Yakoub-Agha I, Mufti GJ, Fenaux P, Sanz G, Martino R, Alessandrino EP, Onida F, Symeonidis A, Passweg J, Kobbe G, Ganser A, Platzbecker U, Finke J, van Gelder M, van de Loosdrecht AA, Ljungman P, Stauder R, Volin L, Deeg HJ, Cutler C, Saber W, Champlin R, Giralt S, Anasetti C, Kroger N. Allogeneic hematopoietic stem cell transplantation fo PMID 28096091
• Gratwohl A, Baldomero H, Aljurf M, Pasquini MC, Bouzas LF, Yoshimi A, Szer J, Lipton J, Schwendener A, Gratwohl M, Frauendorfer K, Niederwieser D, Horowitz M, Kodera Y; Worldwide Network of Blood and Marrow Transplantation. Hematopoietic stem cell transplantation: a global perspective. JAMA. 2010 Apr 28;303(16):1617-24. doi: 10.1001/jama.2010.491. PMID 20424252

Identifiers

NCT: NCT07539779 · NFEC-2026-016

Primary sources (government registries)

• ClinicalTrials.gov (US NIH)

View this study on ClinicalTrials.gov ↗