Pediatric Hematopoietic Stem Cell Transplant (HSCT) Clinical Trials

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  • Gut Decontamination In Pediatric Allogeneic Hematopoietic
  • This research study is for participants who are undergoing allogeneic hematopoietic stem cell transplantation (HSCT) and are at risk for developing acute graft-versus-host disease (GVHD). GVHD is a complication of HSCT in which immune cells from the donor cause inflammation and injury to tissues and organs of the HSCT recipient. Vancomycin-polymyxin B (commonly called "vancopoly") is an oral antibiotic that is given to people undergoing allogeneic HSCT as a preventive measure for acute GVHD. This research study is studying the effects of vancopoly on the microorganisms living in the intestine during and after stem cell transplantation.
  • Diagnoses: Pediatric Hematopoietic Stem Cell Transplant (HSCT)
  • Status: Recruiting
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  • Radiation- and Alkylator-free Bone Marrow Transplantation Regimen for Patients With Dyskeratosis Congenita
  • Dyskeratosis congenita is a disease that affects numerous parts of the body, most typically causing failure of the blood system. Lung disease and a predisposition to cancer are also frequent causes of illness and death. Bone marrow transplantation (BMT) can cure the blood system but can make the lung disease and cancer predisposition worse, because of agents such as alkylators and radiation that are typically used in the procedure. Based on the biology of DC, we hypothesize that it may be possible to avoid these agents in patients with DC, and still have a successful BMT. In this protocol we will test whether a regimen that avoids alkylators and radiation can permit successful BMT without compromising survival in patients with DC.
  • Diagnoses: Pediatric Hematopoietic Stem Cell Transplant (HSCT)
  • Status: Recruiting
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  • Study of Gene Therapy Using a Lentiviral Vector to Treat X-linked Chronic Granulomatous Disease
  • Chronic Granulomatous Disease (CGD) is an inherited immunodeficiency disorder which results from defects that prevent white blood cells from effectively killing bacteria, fungi and other microorganisms. Chronic granulomatous inflammation may compromise vital organs and account for additional morbidity. CGD is thought to affect approximately 1 in 200,000 persons, although the real incidence might be higher due to under-diagnosis of milder phenotypes. The first gene therapy approaches in X-CGD have shown that effective gene therapy requires bone-marrow (BM) conditioning with chemotherapy to make space for the gene-modified cells to engraft. These studies demonstrated that transplantation of gene modified stem cells led to production of white blood cells that could clear existing infections. However, some trails using mouse-derived retroviral vectors were complicated by the development of myelodysplasia and leukemia-like growth of blood cells. This trial will evaluate a new lentiviral vector that may be able to correct the defect, but have much lower risk for the complication. This study is a prospective non-controlled, non-randomized Phase I/II clinical trial to assess the safety, feasibility and efficacy of cellular gene therapy in patients with chronic granulomatous disease using transplantation of autologous bone marrow CD34+ cells transduced ex vivo by the G1XCGD lentiviral vector containing the human CGD gene. Primary objectives include evaluation of safety and evaluation of efficacy by biochemical and functional reconstitution in progeny of engrafted cells and stability at 12 months. Secondary objectives include evaluation of clinical efficacy, longitudinal evaluation of clinical effect in terms of augmented immunity against bacterial and fungal infection, transduction of CD34+ hematopoietic cells from X-CGD patients by ex vivo lentivirus-mediated gene transfer, and evaluation of engraftment kinetics and stability. Approximately 3-5 patients will be treated per site with a goal of 10 total patients to be treated with G1XCGD lentiviral vector.
  • Diagnoses: Pediatric Hematopoietic Stem Cell Transplant (HSCT)
  • Status: Recruiting
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  • Phase I/II Trial of Lentiviral Gene Transfer for SCID-X1 With Low Dose Targeted Busulfan Conditioning
  • This is a phase I/II open label multi-center study in which patients will receive low dose targeted busulfan followed by infusion of autologous CD34+ selected bone marrow or mobilized peripheral blood cells transduced with the G2SCID vector. Subjects will be enrolled over 3 years and be followed for 2 years post-infusion on this protocol, then followed long-term on a separate long-term follow-up protocol. Enrollment of subjects will be agreed upon by representatives of both sites. Data will be collected uniformly from both sites through an electronic capture system and key laboratory studies will be centralized. Harvest, cellular manufacturing and infusion will occur at each site using the same SOPs. Key aspects of cellular product characterization will be centralized
  • Diagnoses: Pediatric Hematopoietic Stem Cell Transplant (HSCT)
  • Status: Recruiting
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