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Tackling fibrosis in cGVHD

Chronic graft-versus-host disease (cGVHD) involves multiorgan pathology, with features of both inflammation and fibrosis. The innate and adaptive immune systems likely contribute to the cause of this condition. Experts suggest that the acute inflammatory response secondary to tissue injury early posttransplant transforms to chronic inflammation and dysregulation of T and B cells. Thus, leading to impaired tissue repair and fibrotic reactions. Chronic GVHD can lead to multisystem tissue damage , with the mucosa, skin, and lung most affected. Following allogeneic HSCT, cGVHD is a leading cause of late morbidity and late non-relapsed mortality.

Although fibrosis may contribute to wound healing in some chronic inflammatory conditions, in cGVHD, it leads to chronic disability when it impacts the joints or substantial areas of skin. Fibrosis can result in life-threatening chronic respiratory deficiency when it affects the peribronchiolar pulmonary lobules. Fibrosis typically responds poorly to treatment once it is entrenched .

How do you manage fibrosis in patients with chronic GVHD following the failure of systemic therapies?

  • 1yr
    A MDT approach is key. Will start with supportive therapies lik PT for stiff joints. Typically I start with steroids both topical and systemic for mild to Show More
  • 1yr
    Steroids and jakafi, ritux or imbruvica based on comorbidities, then Rezurock as last line resort

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Compared with cord blood transplant recipients, the mismatched unrelated donor group had a numerically lower 100-day incidence of grade 3/4 acute GVHD (7% vs 29) and nonrelapse mortality (0% vs 40%).

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Prophylaxis and Management of Graft-Versus-Host Disease After Stem-Cell Transplantation for Haematological Malignancies: Updated Consensus Recommendations of the European Society for Blood and Marrow Transplantation

Prophylaxis and Management of Graft-Versus-Host Disease After Stem-Cell Transplantation for Haematological Malignancies: Updated Consensus Recommendations of the European Society for Blood and Marrow Transplantation

Source : https://pubmed.ncbi.nlm.nih.gov/38184001/

Graft-versus-host disease (GVHD) is a major factor contributing to mortality and morbidity after allogeneic haematopoietic stem-cell transplantation (HSCT). In the last 3 years, there has been regulatory approval of new...

In a recent update to clinical practice guidelines, belumosudil was added to available treatment options for steroid-refractory chronic GVHD.

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Crowdsourcing Skin Demarcations of Chronic Graft-Versus-Host Disease in Patient Photographs: Training Versus Performance Study

Crowdsourcing Skin Demarcations of Chronic Graft-Versus-Host Disease in Patient Photographs: Training Versus Performance Study

Source : https://pubmed.ncbi.nlm.nih.gov/38147369/

Crowds of nonexpert raters can demarcate cGVHD images with good overall performance. Tracking the top 5 most reliable raters provided optimal results, obtaining the best performance with the lowest number...

The nonexpert crowds achieved good overall performance for segmenting cGVHD-affected skin with minimal training, achieving a median surface area error of <12% of skin pixels for all crowds in high-/low-feedback groups.

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Novel Pharmacological Treatment Options of Steroid-Refractory Graft-Versus-Host Disease

Novel Pharmacological Treatment Options of Steroid-Refractory Graft-Versus-Host Disease

Source : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10718798/

Graft-versus-host disease (GVHD) is a potentially fatal complication of allogeneic hematopoietic stem cell transplant. The mainstay of treatment is corticosteroids, which are ineffective in 30-50% of cases. Steroid-refractory GVHD (SR-GVHD)...

For chronic GVHD, approved options include ruxolitinib with an ORR of ≤62%, ibrutinib with an ORR of ≤77%, and belumosudil with an ORR of ≤77%.