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NCT07499284
Aplastic anemia (AA) is a bone marrow failure disorder characterized by pancytopenia and hypoplastic bone marrow caused by the decrease of hematopoietic stem cells. The pathogenesis of AA is complex and involves an abnormal hematopoietic microenvironment, hematopoietic stem cell/progenitor cell deficiencies and immunity disorders. Currently, the standard treatment for AA includes immunosuppressive therapy (IST) based on anti-thymocyte/lymphocyte globulin (ATG/ALG) and cyclosporine A (CsA) or hematopoietic stem cell transplantation (HSCT). Although HLA-identical sibling allogeneic hematopoietic stem cell transplantation is considered the preferred transplant option for patients with severe aplastic anemia (SAA), only less than 30% of patients have an available HLA-matched sibling donor. In recent years, haploidentical hematopoietic cell transplantation (Haplo-HCT) has developed rapidly and has become an important alternative. However, graft failure and graft-versus-host disease (GVHD) remain significant factors limiting its efficacy. Umbilical cord blood (UCB) contains a diverse population of hematopoietic stem cells. Compared with other sources, cord blood-derived hematopoietic stem cells are more primitive, more viable, and possess higher proliferative capacity. Therefore, cord blood transplantation, with its notable clinical therapeutic effects, has become an effective and reliable alternative to peripheral blood or bone marrow transplantation. Currently, some transplant centers worldwide have adopted the coinfusion of UCB units with haplo-HCT (haplo-cord HCT) achieving preliminary efficacy in promoting engraftment and reducing the incidence of GVHD. A retrospective comparative study of haplo-cord HCT versus IST in patients with SAA identified haplo-cord HCT as the sole independent predictor for superior health-related quality of life (HRQoL) (P \< 0.0001). Based on existing research and clinical experience, this study plans to investigate and further evaluate the safety and efficacy of haplo-cord HCT in the treatment of aplastic anemia. Primary endpoints will include overall survival, engraftment rate, disease-free survival, incidence of GVHD, CMV/EBV reactivation rate, donor chimerism dynamics, and immune reconstitution.
NCT07338422
This study aims to compare the efficacy and safety of HLA-haploidentical hematopoietic stem cell transplantation (HLA-haplo HSCT) versus optimal immunosuppressive therapy (IST) as first-line treatments for severe aplastic anemia (SAA) through a real-world cohort design. The selection of treatment regimens for subjects is based on clinical decision-making in real-world practice, comprehensively considering factors including patient age, donor matching status, comorbidities, and treatment preferences, with non-randomized group allocation.
NCT07010237
This is a prospetive,Single-Center, Single-Arm, Phase IIB Clinical Study.This study aims to evaluate the efficacy and safety of dose-attenuated IST combined with Hetrombopag in elderly patients (≥65 years) with VSAA/SAA.
NCT06769568
The TBI-containing reduced-dose conditioning regimen was used to treat elderly patients with aplastic anemia who received hematopoietic stem cell transplantation. The overall survival rate, GVHD-free survival rate, all-cause mortality,et al were studied. The modified conditioning regimen included TBI 2Gy, -7d, busulfan 3.2mg / kg-6d ; fludarabine 30mg / m2 / d-5 \~ -1d ; cyclophosphamide 25-30mg / kg / d-5 \~ -2d ; ATG ( rabbit ) 2 mg / kg / d-5 \~ -1d.
NCT05088655
This study consists of two parts. Part 1 is a pilot BE study, and Part 2 is a pivotal study to demonstrate the bioequivalence of test and reference formulation, both of which adopt a single-center, randomized, open-label, three-period crossover design.
NCT05088174
This is a single-center, single-arm, open-label, self-controlled, phase I clinical study. A total of 26 male or female healthy subjects are intended to be enrolled to evaluate the PK drug-drug interaction between ciclosporin and hetrombopag.
NCT01224496
The purpose of this study is to study the efficacy of Traditional Chinese Medicine (TCM) on anaemic and cytopenic haematological disorders including myelodysplastic syndrome (MDS), aplastic anaemia (AA), myelofibrosis (MF) and thalassemia intermedia who do not have or did not respond to available treatment options.
NCT01933035
To utilise extended platelet parameters in order to individuate Immune Thrombocytopenia (ITP) from hypo-proliferative causes of thrombocytopenia. To develop the clinical potential of the extended platelet parameters as they pertain to distinguishing different causes of thrombocytopenia from one another. To test the hypothesis that mean platelet component (MPC) and mean platelet mass (MPM) might distinguish between thrombocytopenia related to bone marrow dysfunction and immune mediated destruction of platelets.