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Liver transplantation following late-onset hepatic sinusoidal obstruction syndrome occurred beyond 1-year postallogeneic hematopoietic stem cell transplantation.

ABSTRACT: Late-onset HOVD should be taken into consideration when patients develop liver dysfunction and/or weight gain no matter how long post-HSCT. Solid organ transplantation offers a valuable therapeutic option for selected patients with single organ failure after HSCT without adverse impact on graft function or overall outcomes.

SUBMITTER: Yin J

PROVIDER: S-EPMC9834550 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature

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Liver transplantation following late-onset hepatic sinusoidal obstruction syndrome occurred beyond 1-year postallogeneic hematopoietic stem cell transplantation.

Yin Jin J Wang Na N Guo Hui H Zhang Yicheng Y

Clinical case reports 20230111 1

Late-onset HOVD should be taken into consideration when patients develop liver dysfunction and/or weight gain no matter how long post-HSCT. Solid organ transplantation offers a valuable therapeutic option for selected patients with single organ failure after HSCT without adverse impact on graft function or overall outcomes. ...[more]

PMID: 36654696

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Project description:Hepatic veno-occlusive disease/sinusoidal obstruction syndrome (VOD/SOS) is a potentially life-threatening complication that occurs after hematopoietic cell transplantation (HCT). The mortality associated with untreated VOD/SOS with multiorgan dysfunction (MOD) has been reported to be >80%. The recommended dose of defibrotide is 6.25 mg/kg every 6 hours, administered as a 2-hour i.v. infusion, for a minimum of 21 days or until resolution of VOD/SOS signs and symptoms. The objective of this analysis was to evaluate the time to complete response (CR) in patients with post-HCT VOD/SOS treated with defibrotide. The time to defibrotide discontinuation due to a CR served as a surrogate for time to CR in an expanded access study (T-IND; ClinicalTrials.gov NCT00628498; n = 1000), and was analyzed separately from the time to CR data pooled from a phase 2 randomized dose-finding study (NCT00003966; n = 74 patients who received 25 mg/kg/day) and a phase 3 historically controlled study (NCT00358501; n = 102). For all studies, a CR was defined as total serum bilirubin <2 mg/dL with resolution of VOD/SOS-related MOD (renal and/or pulmonary dysfunction); the phase 2 study also required resolution of central nervous system dysfunction. In the T-IND, 390 patients discontinued treatment due to a CR and had sufficient data for analysis. The median time to discontinuation was 22 days (range, 2 to 64 days). Discontinuation due to CR occurred beyond 21 days in 235 patients (60%) and beyond 28 days in 57 patients (15%). The pooled phase 2 and 3 studies included 60 patients who achieved a CR, with a median time to CR of 24.5 days (range, 7 to 123 days). A CR was achieved beyond 21 days in 32 patients (53%) and beyond 28 days in 24 patients (40%). The Kaplan-Meier estimate of day +100 survival rate was substantially higher in patients who discontinued due to a CR compared with those who did not (92.5% versus 37.3%). Treatment-emergent adverse events occurred in 185 of 390 patients (47%) who discontinued due to a CR in the T-IND and in 55 of 60 patients (92%) who achieved a CR in the pooled phase 2 and 3 studies, and rates did not differ according to duration of treatment (≤21 days versus >21 days). Taken together, these results highlight the importance of continued defibrotide therapy until resolution of VOD/SOS signs and symptoms, as currently indicated in the approved product labels, which may occur beyond the recommended minimum of 21 days.

Project description:BackgroundSinusoidal obstruction syndrome (SOS)/veno-occlusive disease (VOD) is generally associated with hematopoietic cell transplant (HCT), but little is known about this condition outside the HCT setting. This systematic review examines the burden of illness and current management approaches in non-HCT SOS/VOD.MethodsWe searched Embase, Medline, and grey literature sources for non-HCT SOS/VOD studies published 2002-2023. Inclusion criteria were studies of any design reporting incidence, diagnosis, underlying disease and any ongoing treatment at the time of SOS/VOD onset, management of non-HCT SOS/VOD, clinical burden, health-related quality of life, healthcare resource use, costs, and patients' unmet needs. Studies investigating pulmonary VOD or SOS/VOD related to the ingestion of pyrrolizidine alkaloids were excluded.Two authors independently screened results, extracted data, and assessed the methodological quality of studies using the Motheral scale for retrospective studies, Newcastle-Ottawa scale for prospective studies and case control studies, the Cochrane risk of bias tool for randomized controlled trials, and the Joanna Briggs Institute critical appraisal tool for case series. Results were synthesized narratively.ResultsNinety-two studies were included; 57 % were retrospective cohort studies and 70 % were conducted in the US or Europe. The study populations included hematological and solid tumor cancers, various indications for liver transplant, Wilms' tumor, and transfusion-dependent beta thalassemia. Non-HCT SOS/VOD occurs most frequently in people with colorectal liver metastases (CRLM), acute lymphoblastic leukemia (ALL), and acute myeloid leukemia (AML). Approximately 35 % of oxaliplatin-treated CRLM patients and 5 % of ALL and AML patients have non-HCT SOS/VOD. Diagnosis varies according to initial disease setting. Defibrotide is the most frequently reported treatment. Most studies did not clearly report their data sources or methods of outcome assessment.ConclusionNon-HCT SOS/VOD occurs in diverse disease conditions, therefore guidelines on diagnosis and treatment are needed to optimize management in clinical practice.

Dataset Information

Liver transplantation following late-onset hepatic sinusoidal obstruction syndrome occurred beyond 1-year postallogeneic hematopoietic stem cell transplantation.

Publications

Liver transplantation following late-onset hepatic sinusoidal obstruction syndrome occurred beyond 1-year postallogeneic hematopoietic stem cell transplantation.

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