A Comparison of Acute GVHD after HLA-Haploidentical and HLA-Identical Stem Cell Transplantation.

Blood ◽  
2004 ◽  
Vol 104 (11) ◽  
pp. 2151-2151
Author(s):  
Wolfgang Hill ◽  
Johanna Tischer ◽  
Iris Bigalke ◽  
Christina Rieger ◽  
Georg Ledderose ◽  
...  
Keyword(s):  
Stem Cell ◽  
Stem Cell Transplantation ◽  
Cell Transplantation ◽  
Viral Infections ◽  
Chronic Gvhd ◽  
Suppressor Cells ◽  
Virus Infections ◽  
Graft Versus Host ◽  
Short Course ◽  
Reduced Intensity

Abstract Acute graft-versus-host disease (aGVHD) is a major obstacle of allogeneic stem cell transplantation (SCT). We compared a cohort of 58 patients with HLA-haploidentical transplants (haplo) and a contemporary group of 229 patients with HLA-identical transplants (id) for the manifestation of aGVHD. Haplo-patients were given unmodified marrow (bm) and CD6- depleted mobilized blood cells (mbc) 6 days after marrow transplantation. The combination of cyclosporin A (CSA) and a short course of methotrexate (sMTX) was given post-grafting. Standard intensity conditioning was given to 34 and reduced intensity conditioning to 24 patients. Id-patients were given bm in 140, mbc in 79 and the combination of bm and mbc in 6 cases. Post grafting immunosuppression consisted of CSA either alone (N=10) or in combination with sMTX (N=158), and/or mycophenolate mofetil (MMF) (N=57). Conditioning was of reduced intensity in 50 patients and standard in 175 patients. Haplo-patients were younger in age (34 vs. 44 yrs.), more frequently male and in a more advanced stage of their disease. Manifestations of aGVHD, microangiopathy characterized by schistocytes and elevated LDH and virus infections were evaluated. Haplo-patients had more severe aGVHD of the skin than id-patients (IBMTR index B – D: 53% vs. 37%; p<0.02). Response to the treatment with corticosteroids was better in haplo-patients than in id-patients (74% vs. 52%; p =0.048). Extensive chronic GVHD was less frequent in haplo-patients than id-patients (14% vs. 39%; p=0.005). However virus infections requiring virostatic therapy were more frequent in haplo-patients (60% vs. 40%; p=0.03). Modification of aGVHD has been achieved by transfusion of CD6-depleted mbc 6 days after transplantation of unmodified bm. CD6-depleted mbc contain non-specific suppressor cells. Improved depletion has eliminated severe aGVHD (IBMTR C & D) completely. However immune deficiency and recurrent viral infections remain a problem.

Two-Year Follow-Up Results at the M.D. Anderson Hospital with Reduced-Intensity Allogeneic Stem Cell Transplantation with Fludarabine-Melphalan as Preparative Regimen in Relapsed/Refractory Hodgkin’s Lymphoma: Comparable Outcome with Matched Related and Unrelated Donors.

Blood ◽  
2006 ◽  
Vol 108 (11) ◽  
pp. 3115-3115 ◽  
Author(s):  
Paolo Anderlini ◽  
Rima M. Saliba ◽  
Sandra Acholonu ◽  
Sergio A. Giralt ◽  
Issa F. Khouri ◽  
...  
Keyword(s):  
Stem Cell ◽  
Stem Cell Transplantation ◽  
Cell Transplantation ◽  
Allogeneic Stem Cell Transplantation ◽  
Hodgkin’S Lymphoma ◽  
Chronic Gvhd ◽  
Complete Response ◽  
Hodgkin's Lymphoma ◽  
Unrelated Donors ◽  
Reduced Intensity

Abstract BACKGROUND: Allogeneic stem cell transplantation (allo-SCT) with reduced-intensity conditioning (RIC) is gaining increasing acceptance in relapsed/refractory (R/R) Hodgkin’s lymphoma (HL), but there are little or no outcome data with matched unrelated donors (MUDs). METHODS: Fifty-eight patients with relapsed or refractory Hodgkin’s lymphoma (HL) underwent allogeneic stem cell transplantation (allo-SCT) following a reduced-intensity conditioning (RIC) regimen from a matched related donor (MRD; n=25) or a matched unrelated donor (MUD; n=33). The median age was 32 years (range 19–59). The median number of chemotherapy regimens received prior to allo-SCT was five (range 2–9). Forty-eight (83%) patients had received a prior autologous (auto) SCT. The median time to progression after auto-SCT was five months (1–34). Disease status at SCT was sensitive relapse (n=30) or refractory relapse (n=28). The conditioning regimen employed was fludarabine (125–130 mg/m sq over 4–5 days), melphalan (140 mg/m sq IV over 2 days) (FM) and antithymocyte globulin (thymoglobulin 6 mg/kg over 3 days) was added for the most recent fourteen MUD transplants. Graft-vs-host disease (GVHD) prophylaxis included tacrolimus and mini-methotrexate. RESULTS: Chimerism studies indicated 100% donor-derived engraftment in all patients (100%). Cumulative 100-day and 2-year transplant-related mortality (TRM) were 7% and 15%, respectively, (100-day TRM MRD vs. MUD 6% vs. 8%, p=ns; 2-year MRD vs. MUD 13% vs. 16%, p=ns). The cumulative incidence of acute (grade II–IV) GVHD (first 100 days) was 28% (MRD vs. MUD 12% vs. 39%, p=0.04). The cumulative incidence of chronic GVHD at any time was 74% (MRD vs. MUD 57% vs. 89%, p=0.003). Fourteen pts (24%) received a total of 25 (range 1–5) donor leukocyte infusions (DLIs) for disease progression/relapse (PD). Five of them (35%) received salvage chemotherapy as well, and nine (64%) developed acute GVHD after the DLI. Thirty-six patients (62%) are alive (23 in remission) with a median follow-up of 24 months (4–78). The f/up is 23 months (4–53) for alive pts always in remission. Twenty-two patients (38%) expired, and relapse-related mortality was 24%. Projected 2-year overall (OS) and progression-free (PFS) survival are 64% (49–76) and 32% (20–45), with projected 2-year PD at 55% (43–70). There was no statistically significant difference between MRD and MUD transplants with regard to OS (p=0.1), PFS (p=0.9) and PD (p=0.8). There was a clear trend for the response status prior to allo-SCT (complete response, complete response undefined vs. all others) to favorably impact PFS (p=0.07) and PD (p=0.049), but not OS (p=0.4). Partial responders and patients with stable or refractory disease fared similarly with regard to OS and PFS. CONCLUSIONS: Despite the expected higher incidence of acute and chronic GVHD, MUD RIC allo-SCTs had TRM, PFS, and OS comparable to MRD allo-SCTs. Day 100, 2-year TRM and OS/PFS data appear very encouraging in these very high-risk, extensively pretreated patients. Response status at transplant seems to affect outcome, and PD remains a major obstacle. The use of unrelated donors would greatly expand donor availability for these patients.

High Rates of Early Donor Chimerism and Low Risk of Chronic GVHD Can Be Achieved in Poor Risk Patients Undergoing Unrelated Donor Stem Cell Transplantation Using a Reduced Intensity Conditioning Regimen Incorporating Fludarabine, Busulfan, and Rabbit ATG.

Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 5080-5080
Author(s):  
Mehdi Hamadani ◽  
Patrick Elder ◽  
Farrukh Awan ◽  
David Krugh ◽  
William Blum ◽  
...  
Keyword(s):  
Stem Cell ◽  
Stem Cell Transplantation ◽  
Cell Transplantation ◽  
Chronic Gvhd ◽  
Unrelated Donor ◽  
Reduced Intensity Conditioning ◽  
Post Transplant ◽  
Ebv Reactivation ◽  
Risk Patients ◽  
Reduced Intensity

Abstract Reduced intensity conditioning (RIC) regimens are increasingly used for allogeneic stem cell transplantation (allo-SCT) in patient groups with relative contraindications for transplantation since they promote effective engraftment of donor cells with minimal regimen related toxicity. However, following unrelated donor (URD) transplantation, high rates of acute and extensive chronic GVHD have mitigated the overall benefits of this approach. We pursued a strategy designed to enhance early full donor hematopoietic chimerism while potentially reducing the risk of severe acute and extensive chronic GVHD using an RIC regimen containing fludarabine (F), busulfan (B), rabbit antithymocyte globulin (A) (FBA) followed by URD SCT in 30 consecutive high risk patients (pts). Criteria for selection included advanced age (>55yrs), prior autograft, and/or high co-morbidity index (median 2, range 0–4). There were 24 male and 6 female pts with a median age of 53 years (range 22–66yrs). Diagnoses included AML (N=10), NHL (N=7), Hodgkin’s lymphoma (N=6), advanced CML (N=4), and advanced CLL (N=4). Nine pts had previously undergone autologous SCT. 43% had a Karnofsky performance status of 70 or 80% at the time of transplant. 80% were matched with their donor at HLA-A, B, C, and DRB1 by high-resolution DNA typing, while 3 were mismatched at 1 antigen and 3 mismatched at 1 or 2 alleles. All pts were conditioned with F (30 mg/m2/day, days −7 to −3), B (0.8 mg/kg/dose IV x 8 doses) and A (2.5 mg/kg/day, days −4 to −2) followed by micro-dose methotrexate and tacrolimus. Stem cell source included peripheral blood (n=26) or bone marrow (n=4). All pts engrafted neutrophils and platelets promptly (median 15 and 16 days, respectively). There were no primary graft failures. Rates of grade II-IV and III-IV acute GVHD were 43% (n=13) and 23% (n=7) respectively. Nine pts (30%) developed chronic GVHD but extensive chronic GVHD was seen in only 10% (n=3). Day 100 TRM was 10% (n=3). Causes of death included disease progression=2, post-transplant lymphoproliferative disorder (PTLD) =1 and sepsis=1. CMV and EBV reactivation occurred in 30% (n=9) and 20% (n=6) respectively. 2 pts developed PTLD requiring rituximab. Three pts had BK-virus associated hemorrhagic cystitis. Lineage-specific chimerism analysis showed 100% donor CD33+ at all time points (days 30, 60, 100) and median donor CD3+ chimerism of 94% at day +30 and 100% at day +100. One patient had secondary graft failure. 23 pts (76%) were in CR after SCT. The median follow-up of surviving patients is 6 months (range 1–32 months). Kaplan-Meier estimates of overall survival (OS) and progression free survival (PFS) at 1year are 62% and 43% respectively. Using the Log-Rank test, OS (P=0.95) and PFS (P=0.65) was not statistically significant between recipients of matched and mismatched grafts. In conclusion, this approach using FBA and a tacrolimus based GVHD prophylaxis achieved rapid donor chimerism and a favorably low incidence of TRM, acute, and chronic GVHD despite being tested in a poor risk group of pts. Although rates of infectious complications were within expected ranges, the rate of both EBV reactivation and disease relapse warrant further exploration of this approach using lower doses of ATG (e.g. 5–6mg/kg total dose) combined with post transplant immunomodulation.

The Effect of Costimulatory Moleculars on Graft-Versus-Host Disease after Allogeneic Hematopoietic Stem Cell Transplantation.

Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 4875-4875
Author(s):  
Zhenhua Qiao ◽  
Fang Ye ◽  
Lei Zu
Keyword(s):  
Stem Cell ◽  
T Cell ◽  
Stem Cell Transplantation ◽  
Cell Transplantation ◽  
Acute Gvhd ◽  
Chronic Gvhd ◽  
Hematopoietic Stem ◽  
Graft Versus Host ◽  
Group A ◽  
Group B

Abstract Objective: To explore the effect of costimulatory molecular and CD25 expressed on peripheral CD4+ T lymphocytes on graft-versus-host disease(GVHD) after allogeneic hematopoietic stem cell transplantation(allo-HSCT). Methods: 1. The 21 patients who suffered of hematology diseases or malignant solid tumors and were underwent allo-HSCT and 10 normal individuals were enrolled in the study.2. For the sake of difference conditioning regimens we divided the 21 patients into two groups: patients undergoing non-myeloablative stem cell transplantation(NST) belonged to group A, others undergoing traditional myeloablative stem cell transplantation belonged to group B; we divided them into five groups for with GVHD or without GVHD and types of GVHD: group 1(group A with acute GVHD), group 2(group A with chronic GVHD), group 3(group B with acute GVHD), group 4(group B without GVHD), group 5(group A without GVHD).3. The levels of CD28, CD80, CD152 and CD25 expressions on peripheral CD4+ T lymphocytes were detected by three colors flow cytometry (FCM)in different time(before allo-HSCT,7days,14days,21days,30days after allo-HSCT, the time of GVHD and the time after GVHD treated).4.STR-PCR for detecting micro-satellites chimeras forming. Results: 1. All 21 patients achieved engraftment. By STR-PCR assay,12 cases formed complete chimeras(CC) and 9 cases formed mixed chimeras(MC). In group A,3 cases developed acute GVHD and 4 cases developed chronic GVHD; in group B,4 cases developed aGVHD. The incidence of GVHD and infection rates between group A and B has no difference(X2=3.711, P=0.144).2. Among these 21 cases,5 cases died:2 cases died of multiple organs function failure due to primary disease relapse,1 case died of bleeding in brain and 2 cases died of liver function failure for the sake of complicated with acute GVHD; others survive with disease free till present.3. The results of multivariate logistic regression models and Kaplan-Meier survival curves analyses showed: age, sex, infection, HLA-type, blood type, conditioning regiment and the times of absolute neutrophil counts and platelets recovering to normal, had no association with the incidence of GVHD;A multivariate COX survival function model analysis showed CD4CD152 and CD4CD25 are independent prognostic factors for GVHD(X2=13.128, P<0.0001).4. Patients with GVHD demonstrated higher CD4+CD28+ and CD4+CD80+ T cell levels than those without GVHD(P<0.01);patients with aGVHD demonstrated higher than those with cGVHD(P<0.05) and without GVHD(P<0.05); Patients with GVHD demonstrated lower CD4+CD152+ and CD4+CD25+ T cell levels than those without GVHD(P<0.01); the same result occurs between aGVHD and cGVHD and without GVHD. After effective treatment, unnormal CD4+CD28+, CD4+CD80+, CD4+CD152+ and CD4+CD25+ T cell levels recovered to the levels before transplantation. Conclusions: The incidences of GVHD between NST and traditional myeloablative stem cell transplantation had no difference. B7-CD28/CD152 costimulatory pathway plays a critical role in developing of GVHD. Peripheral CD4+CD28+, CD4+CD80+, CD4+CD152+ and CD4+CD25+ T cell levels were relative to recipient GVHD, especially CD4+CD152+ and CD4+CD25+ T cell levels. Down-grade CD4+CD28+ and CD4+CD80+ T cell levels and up-grade CD4+CD152+ and CD4+CD25+T cell levels could reduce the incidence of GVHD.

EPOCH-F: A Novel Salvage Regimen for Multiple Myeloma Prior to Reduced-Intensity Allogeneic Stem Cell Transplantation

Blood ◽  
2008 ◽  
Vol 112 (11) ◽  
pp. 4328-4328
Author(s):  
Saad Jamshed ◽  
Daniel Fowler ◽  
Sattva Neelapu ◽  
Robert M. Dean ◽  
Seth M Steinberg ◽  
...  
Keyword(s):  
Multiple Myeloma ◽  
Stem Cell ◽  
Stem Cell Transplantation ◽  
Cell Transplantation ◽  
Allogeneic Stem Cell Transplantation ◽  
Chronic Gvhd ◽  
Cd4 Count ◽  
Salvage Regimen ◽  
Chemotherapeutic Regimen ◽  
Reduced Intensity

Abstract Variation in baseline host immune status contributes to inconsistent donor engraftment and may impede maximal graft-versus-myeloma effects after reduced-intensity allogeneic stem cell transplantation (RI-alloSCT) for advanced multiple myeloma. We performed a phase II study to determine the efficacy of a novel salvage regimen, EPOCH-F, which was designed to provide immune depletion and disease control prior to RI-alloSCT, in 22 patients with advanced multiple myeloma. EPOCH is an infusional chemotherapeutic regimen consisting of etoposide, vincristine and adriamycin, with prednisone, cyclophosphamide and fludarabine and given in 21 day cycles prior to RI-alloSCT. Patients received at least 1 and no more than 5 cycles of EPOCH-F gudied by peripheral blood CD4+ T cell count. Pts achieving adequate lymphodepletion proceeded to RI-alloSCT; otherwise patients proceeded to RI-alloSCT after 5 cycles or if there was disease progression during EPOCH-F, regardless of CD4 count. Median age was 53 years (range, 36–65); median time from initial therapy to transplant was 12 months (range, 2–168). Median number of prior therapies was 2 (range, 1–8), while 63% had chemotherapy sensitive disease. 68% of patients had received a novel agent. Patients received a median of 3 cycles (range, 1–5) of EPOCH-F. Therapy was well tolerated with manageable toxicities, mostly hematologic. Neutropenia (grade IV) was the most common toxicity seen in 77% of the administered cycles with only 6 episodes of neutropenic fever. Median lymphocyte count decreased from 1423/μL (range, 335–2788) to 519/μL (range, 102–1420); CD4 count decreased from 320/μL (range, 130–1366) to 115/μL (range, 30–309). In 21 evaluable patients, the overall response rate to EPOCH-F was 22% and 68% had stable disease. 13% of patients achieved CR/nCR. Only 1 patient progressed while on therapy. 20 patients received allograft from HLA matched sibling donors and were evaluable for engraftment. Median Day 100 chimerism was 100% (range 60–100, mean 95). 70% of patients achieved ≥VGPR including CR/nCR, while CR/nCR was seen in 40% of the patients. Median overall survival was 46.1 months. 10 (50%) patients are currently alive. Acute GVHD (grade II–IV) was seen in 47% and chronic GVHD (grade III–IV) was seen in 52% of patients. Treatment-related mortality at 100 days was 5% and 30% at 60 months. EPOCH-F is an active regimen which facilitates consistent and rapid full donor engraftment following RI-alloHSCT from related donors in patients with advanced multiple myeloma.

Comorbidities Index Is Not Predictive of Treatment Related Mortality in Patients (pts) Older Than 60 Years Treated with Reduced Intensity Conditioning and Allogeneic Stem Cell Transplantation (RIC-ALLO).

Blood ◽  
2009 ◽  
Vol 114 (22) ◽  
pp. 1180-1180
Author(s):  
Luca Castagna ◽  
Sabine Furst ◽  
Jean El Cheikh ◽  
Catherine Faucher ◽  
Mohamad Mohty ◽  
...  
Keyword(s):  
Stem Cell ◽  
Stem Cell Transplantation ◽  
Cell Transplantation ◽  
Allogeneic Stem Cell Transplantation ◽  
Viral Infections ◽  
Conflicts Of Interest ◽  
Chronic Gvhd ◽  
Univariate Analysis ◽  
Treatment Related Mortality ◽  
Related Mortality

Abstract Abstract 1180 Poster Board I-202 Benjamin Esterni, Didier Blaise Background: Allogeneic stem cell transplantation (ALLO) is the only curative therapy for many hematological malignancies. For many of these diseases, the median age at diagnosis is around the sixth decade of life, precluding myeloablative ALLO (MAC-ALLO). RIC-ALLO is less toxic and it has been performed in elderly pts, mainly affected by acute leukemia. Finally, comorbidities index seem to predict treatment related mortality (TRM) and overall survival (OS). Patients and methods: From 2001 and 2008, 67 pts older than 60 years (median age 63 y, range 60-70) received RIC-ALLO. Diseases were: acute myeloid leukemia 45%, multiple myeloma 18%, chronic lymphocytic leukemia 12%, non-Hodgkin lymphoma 10%, myelodysplasia 6%, plasmacellular leukemia 3%, others 6%. Disease status at RIC-ALLO was: complete remission 54%, partial remission 16%, and active disease 30%. RIC consisted of fludarabine-based with thymoglobulin 64%, or low-dose TBI-based 36%. Donors were: HLAid sibling 73%, matched unrelated 21%, and cord blood 6%. Previous autologous transplant was performed in 59% of pts. The median number of CD34+ and CD3+ cells infused was 5 (range 1-9.4) and 296 (range 84-704), respectively. Karnofski score was 60-80% in 25% and 90-100% in 75%; HCT-CI was 0 in 33%, 1-2 in 33%, and more than 3 in 34%; PAM score was 8-16 in 9%, 17-33 in 65%, 24-30 in 22%, and more than 31 in 3%; EBMT score was 2 in 22%, 3 in 36%, 4 in 28%, more than 5 in 12%. Results: The median follow-up was 22 months. The 2-y OS and PFS were 66.8% (IC95 [55.5-80.4]) and 52.4% (IC95 [39.5-69.5]), respectively. Grade II-IV acute graft versus host disease (aGVHD) and chronic GVHD (cGVHD) incidence were 49% and 43%, respectively. Early infections were fever of unknown origin in 42% of pts, bacterial infection in 6 cases, pneumonia in 8, and viral infections in 14. The early infection-related mortality was null. Late infections were bacterial in 3 cases, pneumonia in 1, viral infections in 6, and candidemia in 1. Seven pts died from late infective complications. Overall, the cause of death was toxicities in 18 pts and disease progression in 6 pts. The 100-d and 1-y TRM were 6.35% (IC95 [0.278-12.4]) and 24.2% (IC95 [12.9-35.4]), respectively. In univariate analysis, HCT-CI, EBMT score, and PAM score did not influence TRM or OS. Furthermore, age (60-65 vs 66-70) was not related to TRM. Conclusions: The aim of this retrospective study was to verify if TRM was excessively high in elderly pts, affected from several haematological diseases and receiving ALLO from different donors and after different RIC. A secondary objective was to evaluate if several comorbidities index could predict TRM and OS. This heterogeneity should be regarded as a more realistic view of general population. TRM was acceptable and not different when compared to younger pts as reported in literature. Furthermore, neither comorbidities index nor age help segregate a group of pts with different TRM. Disclosures: No relevant conflicts of interest to declare.

Incidence and Outcome of Auto/Alloimmune Hepatitis with Hepatic Graft-Versus-Host Disease After Hematopoietic Stem Cell Transplantation.

Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 4534-4534
Author(s):  
Michael Koldehoff ◽  
Ahmet H Elmaagacli ◽  
Reinhild Klein ◽  
Dietrich Beelen
Keyword(s):  
Stem Cell ◽  
Hematopoietic Stem Cell Transplantation ◽  
Stem Cell Transplantation ◽  
Cell Transplantation ◽  
Hematopoietic Stem Cell ◽  
Graft Versus Host Disease ◽  
Chronic Gvhd ◽  
Hematopoietic Stem ◽  
Host Disease ◽  
Graft Versus Host

Abstract Abstract 4534 Auto/alloimmune hepatitis (AIH) is an inflammatory liver disease characterized histological by a dense mononuclear cell infiltrate in the portal tract and serological by the presence of non-organ and liver-specific antibodies, high transaminases and increased levels of IgG. The relation between allogeneic hematopoietic stem cell transplantation (HSCT) and auto/alloimmune disease is complex. To examine this association, we retrospectively studied 1,636 allogeneic patients (median age 43, range 18–73 years) between May 1996 and December 2008. Among these patients, 311 (19%) developed hepatic graft-versus-host disease (GvHD) (162 pts had a hepatic GvHD of grade > II). We followed 25 patients (11 male, 14 female) in whom GvHD of the liver presented with marked elevation of serum aminotransferases, clinically resembling acute hepatitis and auto/antibodies characteristics for AIH. The median age at transplant was 35 (range, 18–54) years. Onset of liver dysfunction was at 286 days (range, 55–2766) after HSCT. Median peak serum was 312 (range 105–1750) U/L for alanine aminotransferase, 629 (133-2410) U/L for gamma-glutamyl transferase and 1.74 (0.5-23.4) mg/dl for bilirubin. The autoantibody profiles of AIH were 60% for anti-nuclear antibody, 44% for antibodies to liver-kidney microsomes, 24% for antibodies to smooth-muscle antigens, 28% for anti-mitochondrial antibody, 16% for antibodies to actin, 8% for antibodies to nucleoli, and 4% for other autoantibodies. AIH had a higher prevalence in younger and in female patients. AIH occurred in 92% in patients, who were transplanted with G-CSF mobilized and peripherally collected stem cells (PSC), but in only 8% in patients with bone marrow (BM) source (p<0.02), comparing all transplanted patients (1326 PSC, 310 BM). Stem cell grafts from matched sibling donor or matched unrelated donor were similar in the two groups. Acute GvHD of grade> II occurred more frequently in the groups with AIH (15/25 vs. 649/1636, p<0.002), and chronic GvHD (11 limited, 14 extensive) was ascertained in all AIH patients vs. 49.8% in all transplanted patients (p<0.0001). Three patients with AIH died from pulmonary bleeding, chronic GvHD, and relapse, whereas 22 patients with AIH are still alive (88%) at a median survival time of 2570 days. In conclusion, our evaluation confirms a strong association between G-CSF mobilized PSC, chronic GvHD and the development of AIH. Disclosures: No relevant conflicts of interest to declare.

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