Dataset Information

Failure to Prevent Severe Graft-Versus-Host Disease in Haploidentical Hematopoietic Cell Transplantation with Post-Transplant Cyclophosphamide in Chronic Granulomatous Disease.

ABSTRACT: PURPOSE:Haploidentical related donor (HRD) transplantation was performed in 7 recipients with chronic granulomatous disease (CGD) who had no matched-related or unrelated donor. METHODS:Peripheral blood cell (PBC) products were used with a conditioning regimen consisting of low-dose cyclophosphamide, fludarabine, total body irradiation, and busulfan. Graft-versus-host disease (GVHD) prophylaxis consisted of high-dose post-transplant cyclophosphamide and sirolimus. Recipients were ages 14-26 years, and 3 had severe infections active at transplant. RESULTS:All 7 recipients achieved full engraftment with complete donor chimerism early in the post-transplant period. Acute GVHD occurred in all cases and was grade 3 or steroid refractory in 3. Two patients with steroid-refractory GVHD died. Three patients with severe infectious complications active at transplant, 1 Nocardia pneumonia and 2 extensive invasive fungal infections), survived and were cured of their infection at last follow-up. Bacterial disease occurred post-transplant in all recipients, and viral infections/reactivation were common, including 4 cases of BK virus-associated hemorrhagic cystitis. CONCLUSIONS:Seven patients with CGD achieved rapid and full-donor engraftment from HRDs utilizing PBCs and a conditioning regimen with PTCy and sirolimus GVHD prophylaxis. However, the incidence of grade 3 and steroid-refractory GVHD was high and led to 2 deaths. Patients with active infections at transplant had successful transplant courses and were cured of their disease. Although there was an initial success with this regimen, the cumulative experience does not support its use in CGD due to an unacceptable rate of severe GVHD.

SUBMITTER: Parta M

PROVIDER: S-EPMC7507116 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Failure to Prevent Severe Graft-Versus-Host Disease in Haploidentical Hematopoietic Cell Transplantation with Post-Transplant Cyclophosphamide in Chronic Granulomatous Disease.

Parta Mark M Hilligoss Dianne D Kelly Corin C Kwatemaa Nana N Theobald Narda N Zerbe Christa S CS Holland Steven M SM Malech Harry L HL Kang Elizabeth M EM

Journal of clinical immunology 20200420 4

<h4>Purpose</h4>Haploidentical related donor (HRD) transplantation was performed in 7 recipients with chronic granulomatous disease (CGD) who had no matched-related or unrelated donor.<h4>Methods</h4>Peripheral blood cell (PBC) products were used with a conditioning regimen consisting of low-dose cyclophosphamide, fludarabine, total body irradiation, and busulfan. Graft-versus-host disease (GVHD) prophylaxis consisted of high-dose post-transplant cyclophosphamide and sirolimus. Recipients were a ...[more]

PMID: 32314173

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Project description:Severe graft-versus-host disease is a major barrier for non-T-cell-depleted haploidentical stem cell transplantation. There is no consensus on the optimal graft-versus-host disease prophylaxis. This study compared the two most commonly used graft-versus-host disease prophylaxis regimens (post-transplant cyclophosphamide-based vs. the anti-thymocyte globulin-based) in adults with acute myeloid leukemia reported to the European Society for Blood and Bone Marrow Transplantation. A total of 308 patients were analyzed; 193 received post-transplant cyclophosphamide-based regimen and 115 anti-thymocyte globulin-based regimen as anti-graft-versus-host disease prophylaxis. The post-transplant cyclophosphamide-based regimen was more likely to be associated to bone marrow as graft source (60% vs. 40%; P=0.01). Patients in the post-transplant cyclophosphamide-based regimen group had significantly less grade 3-4 acute graft-versus-host disease than those in the anti-thymocyte globulin-based group (5% vs. 12%, respectively; P=0.01), comparable to chronic graft-versus-host disease. Multivariate analysis showed that non-relapse mortality was lower in the post-transplant cyclophosphamide-based regimen group [22% vs. 30%, Hazard ratio (HR) 1.77(95%CI: 1.09-2.86); P=0.02] with no difference in relapse incidence. Patients receiving post-transplant cyclophosphamide-based regimen had better graft-versus-host disease-free, relapse-free survival [HR 1.45 (95%CI: 1.04-2.02); P=0.03] and leukemia-free survival [HR 1.48 (95%CI: 1.03-2.12); P=0.03] than those in the anti-thymocyte globulin-based group. In the multivariate analysis, there was also a trend for a higher overall survival [HR 1.43 (95%CI: 0.98-2.09); P=0.06] for post-transplant cyclophosphamide-based regimen versus the anti-thymocyte globulin-based group. Notably, center experience was also associated with non-relapse mortality and graft-versus-host disease-free, relapse-free survival. Haplo-SCT using a post-transplant cyclophosphamide-based regimen can achieve better leukemia-free survival and graft-versus-host disease-free, relapse-free survival, lower incidence of graft-versus-host disease and non-relapse mortality as compared to anti-thymocyte globulin-based graft-versus-host disease prophylaxis in patients with acute myeloid leukemia.

Project description:Aims and objectivesHaploidentical transplants constitute a potential alternative therapy for patients who urgently need transplantation in the absence of human leukocyte antigen-matched donors. We report a single-center experience regarding the initial results of haploidentical peripheral blood stem cell transplantation (haplo-PBSCT) using post-transplant cyclophosphamide (PTCy) at the HCMC Blood Transfusion Hematology (BTH) Hospital.MethodsWe conducted a retrospective case series study of 23 patients who underwent haplo-PBSCT using PTCy at the HCMC BTH Hospital between January 2014 and January 2021. The refined disease risk index (DRI) was used to stratify the outcomes. We evaluated the engraftment rate, graft-versus-host disease (GVHD), and complications during haploidentical transplantation. Overall survival (OS), disease-free survival (DFS), and GVHD-free relapse-free survival (GRFS) were assessed.ResultsThe majority of the patients in the present study were diagnosed with acute myeloid leukemia. All patients received reduced-intensity conditioning regimens. The engraftment rate was 86.9%. The median times to neutrophil and platelet engraftment were 17 and 31 days, respectively. Two patients (8.7%) reported severe acute GVHD (grade III-IV), while two patients (8.7%) had grade I-II acute GVHD. Three patients experienced limited chronic GVHD of the skin, requiring topical steroids. The most common complication was bloodstream infection (60.9%). Cytomegalovirus reactivation occurred in 19 patients (82.6%) and 17.4% developed hemorrhagic cystitis. The 1-year relapse rate was 32.5%. The cumulative incidence of non-relapse mortality at 1 year was 17.3%. The 1-year OS and DFS rates were 66.3% and 55.7%, respectively. The 1-year GRFS rate was 49.2%. A high/very high DRI score was associated with worse OS after haplo-PBSCT (P=0.038).ConclusionHaploidentical transplant using PTCy is a feasible therapy for patients without suitably matched donors in Vietnam. Infection after transplantation remains a challenge and requires effective management.

Dataset Information

Failure to Prevent Severe Graft-Versus-Host Disease in Haploidentical Hematopoietic Cell Transplantation with Post-Transplant Cyclophosphamide in Chronic Granulomatous Disease.

Publications

Failure to Prevent Severe Graft-Versus-Host Disease in Haploidentical Hematopoietic Cell Transplantation with Post-Transplant Cyclophosphamide in Chronic Granulomatous Disease.

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