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Metabolome and Microbiome Impact on Acute GVHD in Recipients of Hematopoietic Transplant — AlloBolome  

Graft-versus-host Disease Clinical Trial

Official title:
Impact of Intestinal Metabolome and Microbiome Disbalance of Recipients of Hematopoietic Transplant in the Development of Acute Graft Versus Host Disease.

Clinical Trial Summary

Recent published data suggest that specific alterations in intestinal metabolome signature of hematopoietic stem cell transplant (allo-SCT) recipients might influence incidence and severity of acute graft versus host disease (aGVHD). Nevertheless, this possible relationship has not been undoubtedly established, pathophysiologic mechanisms have not been elucidated and possible clinical implications have not been studied. We hypothesized that in the early phase of allo-SCT, specific alterations in faecal metabolome occurred related to loss of intestinal microbiota diversity and disbalance of specific bacterial taxa, and that both alterations determine reduced survival of patients through increased incidence and severity of aGVHD. To test this hypothesis, a prospective multi-center cohort of allo-SCT recipients will had faecal and plasmatic samples collected at predetermined time-points pre&post-allo-SCT, and clinical relevant variables will be prospectively recorded throughout two years posttransplant follow-up. Metabolomic and microbiome analysis will be done to answer objectives of the study. To additionally explore if differential evolving characteristics in the intestinal metabolome and microbiome of donor/recipient sibling pairs influence the incidence and severity of aGVHD, probability of malignancy relapse and early and late mortality an additional cohort of family donors of enrolled patients will also have faecal and plasmatic samples collected and analysed.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05186857
Study type Observational
Source Fundación Pública Andaluza para la gestión de la Investigación en Sevilla
Contact
Status Active, not recruiting
Phase
Start date January 23, 2023
Completion date December 2025
View Details
See also
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