View clinical trials related to Graft vs Host Disease.
Filter by:In consideration of the fact that the vascular endothelium has been shown to be a target of GvHD in early stage and that the count of CEC may represent a marker of endothelial damage, we want to evaluate the changes in CEC counts of patients affected by hematological disorders undergoing allo-HSCT, as a function of endothelial damage. We will enroll 50 patients affected by hematologic disorders undergoing allo-HSCT. Peripheral blood will be drawn before (T1, baseline) and at the end of the conditioning regimen (T2, pre-transplant), upon confirmation of hematopoietic recovery (T3, engraftment) and thereafter at onset of GVHD (GVHD T4) and one week after the start of steroid therapy (T5, post-GvHD). All patients will also be checked for CEC at day + 28. CEC enumeration will be performed by using the CellSearch® System and a flowcytometry procedure. Through the conduct of this study, we expect to confirm our preliminary results on a larger series of patients, and to evaluate the predictive role of CEC on the occurrence of GvHD and prognostic response to treatment of GvHD. The possibility of early identification of patients who do not respond to traditional treatments of GvHD, and for this reason at a higher risk of morbidity and mortality, may allow greater individualization of the therapeutic program, for example with the introduction as early as possible of alternative treatments. In addition, the identification of patients at higher risk of non-responsiveness to steroid treatment, would allow, through a closer monitoring, the early introduction of additional treatment before the development of resistance/refractoriness to treatment of GvHD. The present study takes the form of a prospective study. The primary endpoint is the identification and enumeration of CECs in peripheral blood of patients with hematological disorder undergoing allo-HSCT, as a function of endothelial damage. The secondary endpoint is to define the prognostic and predictive value of the changes of CEC counts on the diagnosis of GvHD and response to treatment.
Graft-versus-host disease (GVHD) is a major complication of allogeneic hematopoietic stem cell transplantation (HSCT), and is classified as acute (aGVHD) or chronic (cGVHD). aGVHD onsets within the first 100 days after transplant or with clinical features including erythema, liver dysfunction and oral mucositis, whilst cGVHD or persistent GVHD occurs in approximately 30-60% of transplant patients who survive their first year . Long-term five-year prognosis for cGVHD patients is poor with a 70% mortality rate. cGVHD manifests as an autoimmune-like disease affecting multiple sites, including skin, mouth, eyes, gastrointestinal tract, liver, and joints. The oral cavity is the second most common site to be affected with symptoms in 45-83% of cases. In the mouth a diverse spectrum of clinical features can be found for example mucosal lesions can affect almost any site, salivary gland dysfunction and restricted mouth opening. Short-term patients can experience mucosal sensitivity, malnutrition, problems speaking, increased caries risk, xerostomia, oral pain and a diminished quality-of-life. Long-term complications include secondary malignancies and perhaps early death. Clinical management seeks to alleviate the symptoms and improve quality-of-life but 50% of patients fail front-line systemic steroid therapy. Oral cGVHD can be treated with topical high potency corticosteroids and oral rinses, however these treatments are not always effective and carry a risk of systemic absorption. Mesenchymal stem/stromal cells (MSCs) resident in adult and fetal tissues, such as the bone marrow have the capacity to form bone, cartilage, stroma, muscle and fat, are known to exhibit immunosuppressive and immunoregulatory properties both in vivo and in vitro. MSC infusions have been used to treat disorders such as osteogenic imperfecta, cardiovascular disease and to heal large bony defects. Indeed, the immunosuppressive capacity of MSCs have led to infusions being used as a second-line treatment for GVHD patients, and our group has shown within a Phase II clinical trial, 55% aGVHD patients who failed front-line steroid treatment responded to MSC infusion these studies are going with cGVHD patients. The goal of this project is to perform a pilot study to determine whether MSC injections directly into mucosal lesions in patients with oral cGVHD are able to alleviate the symptoms and facilitate the reparative process.
Acute Graft-versus-host disease(aGVDH) after allogeneic hematopoietic stem cell transplantation is one of the meaningful issues in aspect of patient's recovery and survival. in recent years, the understanding of the pathology of GVHD is much important to prevent or treat aGVHD. additionally, (oral) mucositis is one of the problems in patients with high dose chemotherapy, and mucositis by high-dose chemotherapy is related to HMGB-1 as proinflamtory cytokines. HMGB1 is a nuclear protein acts as a transcription factor, but, if it was released to the outside of cells by damaged cell or necrotic tissues, it works as cytokines for promoter of inflammation and cancers. at this point, there are no reported articles about correlation of HMGB1 and aGVHD in human. recently, we have seen excessive secretion of serum HMGB1 in mouse model, then base on this results, we will check correlation of HMGB1 and aGVHD/ oral mucositis in human.
- To assess the efficacy of R348 Ophthalmic Solutions administered for 12 weeks to subjects evaluated by objective and subjective measures. - To investigate the safety and tolerability of R348 Ophthalmic Solutions administered for 12 weeks to subjects.
MESENCHYMAL STROMAL CELLS (MSC) have shown promising albeit not always consistent therapeutic effects in the treatment of severe steroid-resistant acute Graf versus Host Disease. Remarkably, in all reported clinical studies the toxicity of Mesenchymal stromal cells administration has been found consistently negligible. The investigators believe that Umbilical Cord (UC) derived Mesenchymal stromal cells may represent a stronger immunosuppressive tool for such clinical emergency and no data suggest any change in the safety profile of these cells. For this reason, and in the best interest of the patient, the investigators plan to test the safety and activity of Umbilical Cord Mesenchymal stromal cells when given sequentially to another partially effective treatment of steroid resistant acute graf versus host disease such as Pentostatin.
In this study, a combination of two antibodies both conjugated to a cell-killing toxin (so-called immunotoxins) will be evaluated. The antibodies are directed against T-cell antigens 'cluster of differentiation 3 antigen' (CD3) and CD7. Previous in vitro studies have demonstrated that this particular immunotoxin-combination, named T-Guard, acts synergistically in eliminating T cells with a preference for killing activated T-cells. In a subsequent clinical pilot-study, T-Guard has generated encouraging results when applied as third-line therapy for patients suffering form steroid-resistant acute Graft-versus-Host Disease (GVHD). Extensive biological and clinical responses could be noted in the absence of severe acute toxicities. Building on these results, the current study aims at evaluating the safety and efficacy of T-Guard for treating steroid-resistant GVHD when administered in an earlier phase of the disease process, i.e. as second-line instead of as third-line therapy.
CliniMACs is an investigational device used to select and enrich stem cells. The device will select the stem cells with CD34+ protein. The participant will be infused with the CD34+ selected cells in the hopes that it will help the participant engraft. Engraftment is when transplanted stem cells resume production of healthy blood cells.
Graft-vs-host disease (GVHD) causes substantial mortality, morbidity and poor quality of life after blood or marrow transplantation (BMT). In Alberta, we use antithymocyte globulin (ATG, given on days -2, -1 and 0) in addition to methotrexate and cyclosporine for GVHD prophylaxis. In spite of that, ~40% patients develop significant GVHD (grade 2-4 acute GVHD or chronic GVHD needing systemic immunosuppressive therapy). ATG at the dose we typically use (4.5 mg/kg) is relatively non-toxic. At higher doses, ATG could increase the likelihood of posttransplant infections or relapse. Thus an extra dose of ATG (on top of the routine 4.5 mg/kg) might be justified only for patients at high risk of developing significant GVHD. In our experience, low serum level of interleukin-15 (IL15) and high serum level of interleukin-2 receptor alpha (IL2Ra) on day 7 predict development of significant GVHD. Here we will test whether, compared to historical/concurrent controls, an extra dose of ATG (3 mg/kg on day 8) given to patients with low IL15 or high IL2Ra on day 7 reduces the incidence of significant GVHD, and improves survival free of relapse and GVHD, and quality of life.
The aim of this study is to evaluate the safety and efficacy of Carfilzumib, which is a novel biological agent used in the treatment of multiple myeloma in preventing graft-versus-host disease, after stem cells transplantation from unrelated donors.
This research trial studies lymphocyte profiles and activation status in patients with graft-versus-host disease. Studying samples of blood in the laboratory from patients with cancer may help doctors identify and learn more about biomarkers related to graft-versus-host disease.