Publications by authors named "M A Estrina"

Article Synopsis
  • - The study investigates the effectiveness of post-transplant cyclophosphamide (PTCy) in preventing graft-versus-host disease (GVHD) in pediatric acute leukemia patients who underwent matched allogeneic hematopoietic stem cell transplantation (allo-HSCT).
  • - A retrospective analysis of 190 children shows that PTCy-based GVHD prophylaxis led to significantly lower rates of acute and chronic GVHD after transplants from matched unrelated donors (MUD) compared to standard treatments.
  • - The findings suggest PTCy is a promising and effective option for GVHD prevention in pediatric patients, particularly in MUD settings, while showing similar efficacy to traditional methods in matched sibling donor (MSD) transplants. *
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Article Synopsis
  • This analysis reviewed trends in 5185 hematopoietic cell transplantations (HCT) between 1990 and 2022, including 3237 allogeneic (alloHCT) and 1948 autologous (autoHCT) transplants.
  • There was a significant improvement in event-free survival (EFS) for both autoHCT and alloHCT over time, attributed to a decrease in relapse rates and non-relapse mortality, respectively.
  • Specific survival improvements were noted for various conditions, with autoHCT showing better outcomes in Hodgkin's disease and multiple myeloma, while alloHCT advancements were observed mainly in leukemia and lymphomas.
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Chronic graft versus host disease (cGVHD) remains a major complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT). It significantly decreases survival and quality of life. The present study demonstrates retrospective data on extracorporeal photopheresis (ECP) in children with cGVHD.

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Aim: To evaluate the efficacy of donor lymphocyte infusion (DLI) to prevent and treat recurrences in patients after different types of allogeneic hematopoietic stem cell transplantation (allo-HSCT).

Subjects And Methods: Data from 118 patients with malignant blood diseases were analyzed. Allo-HSCTs from HLA-matched related donors (n=49), HLA-matched unrelated donors (n=50), partially HLA-matched unrelated donors (n=2), and haploidentical donors (n=24) were performed.

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We studied the effect of platelet lysates from different donors on fibroblast growth in culture. In most samples (40 of 50), the growth-stimulating characteristics were greater than in 10% FCS, but every ninth sample exhibited low mitogenic activity. A weak dependence between platelet concentration and total protein content was noted, but no correlation was found between these parameters and fibroblast growth in culture.

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