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Predictors of survival, nonrelapse mortality, and failure-free survival in patients treated for chronic graft-versus-host disease.

ABSTRACT: Chronic graft-versus-host disease (GVHD) is a pleotropic syndrome that lacks validated methods of measuring response in clinical trials, although several end points have been proposed. To investigate the prognostic significance of these proposed end points, such as the 2005 National Institutes of Health (NIH) response measures, 2014 NIH response measures, clinician-reported response, and patient-reported response, we tested their ability to predict subsequent overall survival (OS), nonrelapse mortality (NRM), and failure-free survival (FFS). Patients (n = 575) were enrolled on a prospective chronic GVHD observational trial. At 6 months, clinician-reported response (P = .004) and 2014 NIH-calculated response (P = .001) correlated with subsequent FFS, and clinician-reported response predicted OS (P = .007). Multivariate models were used to identify changes in organ involvement, laboratory values, and patient-reported outcomes that were associated with long-term outcomes. At 6 months, a change in the 2005 NIH 0 to 3 clinician-reported skin score and 0 to 10 patient-reported itching score predicted subsequent FFS. Change in the Lee skin symptom score and Functional Assessment of Cancer Therapy-Bone Marrow Transplant score predicted subsequent OS. Change in the Lee skin symptom score predicted subsequent NRM. This study provides evidence that clinician-reported response and patient-reported outcomes are predictive of long-term survival. The trial was registered at www.clinicaltrials.gov as #NCT00637689.

SUBMITTER: Palmer J

PROVIDER: S-EPMC4705606 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundAdvances in allogeneic hematopoietic stem cell transplant (HSCT) have increased patient survival, although substantial treatment-related toxicity remains, including chronic kidney disease (CKD). We assessed the association between CKD and survival and transplant-specific outcomes in HSCT recipients.MethodsWe conducted a retrospective study of all 408 adult patients with allogenic HSCT at Princess Margaret Cancer Centre (Toronto, Canada, 2015-18). We used logistic regression to identify risk factors for CKD at 1 year post-transplant. Associations between CKD at 1 year and overall survival, relapse-free survival, graft-versus-host-disease (GVHD)-free/relapse-free survival, relapse and transplant-related mortality were examined using extended time-varying Cox models. In a sensitivity analysis, we restricted the cohort to survivors at 1 year, using standard Cox proportional hazard models to examine associations between CKD and overall survival, relapse-free survival and GVHD-free/relapse-free survival, and Fine and Gray's competing risk models to determine associations between CKD and relapse/transplant-related mortality.ResultsThe prevalence of CKD at 1 year was 19% (46 patients) with median follow-up of 23 months. Multivariable regression identified age at transplant [adjusted OR (aOR) 1.09, 95% confidence interval (95% CI) = 1.05-1.14; P < 0.0001), female gender (aOR 2.83, 95% CI = 1.34-5.97; P = 0.006) and acute kidney injury during the first 100 days (aOR 3.86, 95% CI = 1.70-8.73; P = 0.001) as risk factors for CKD at 1 year. Patients with CKD at 1 year had significantly poorer overall survival than those without CKD, when adjusted for relevant covariates [adjusted HR (aHR) 1.93, 95% CI = 1.02-3.66; P = 0.04 in the time-varying Cox model, and aHR 2.06, 95% CI = 1.04-4.07; P = 0.04 using the standard Cox model]. CKD at 1 year was also associated with worse GVHD-free/relapse-free survival (aHR 1.65, 95% CI = 1.04-2.61; P = 0.03).ConclusionsCKD adversely affects the long-term prognosis for allogeneic HSCT recipients, with increased mortality risk and worse GVHD-free/relapse-free survival.

Project description:BackgroundAllogeneic hematopoietic cell transplantation is indicated for refractory hematologic cancer and some nonmalignant disorders. Survival is limited by recurrent cancer and organ toxicity.ObjectiveTo determine whether survival has improved over the past decade and note impediments to better outcomes.DesignThe authors compared cohorts that had transplants during 2003 to 2007 versus 2013 to 2017. Survival outcome measures were analyzed, along with transplant-related complications.SettingA center performing allogeneic transplant procedures.ParticipantsAll recipients of a first allogeneic transplant during 2003 to 2007 and 2013 to 2017.InterventionPatients received a conditioning regimen, infusion of donor hematopoietic cells, then immunosuppressive drugs and antimicrobial approaches to infection control.MeasurementsDay-200 nonrelapse mortality (NRM), recurrence or progression of cancer, relapse-related mortality, and overall mortality, adjusted for comorbidity scores, source of donor cells, donor type, patient age, disease severity, conditioning regimen, patient and donor sex, and cytomegalovirus serostatus.ResultsDuring the 2003-to-2007 and 2013-to-2017 periods, 1148 and 1131 patients, respectively, received their first transplant. Over the decade, decreases were seen in the adjusted hazards of day-200 NRM (hazard ratio [HR], 0.66 [95% CI, 0.48 to 0.89]), relapse of cancer (HR, 0.76 [CI, 0.61 to 0.94]), relapse-related mortality (HR, 0.69 [CI, 0.54 to 0.87]), and overall mortality (HR, 0.66 [CI, 0.56 to 0.78]). The degree of reduction in overall mortality was similar for patients who received myeloablative versus reduced-intensity conditioning, as well as for patients whose allograft came from a matched sibling versus an unrelated donor. Reductions were also seen in the frequency of jaundice, renal insufficiency, mechanical ventilation, high-level cytomegalovirus viremia, gram-negative bacteremia, invasive mold infection, acute and chronic graft-versus-host disease, and prednisone exposure.LimitationCohort studies cannot determine causality, and current disease severity criteria were not available for patients in the 2003-to-2007 cohort.ConclusionImprovement in survival and reduction in complications were substantial after allogeneic transplant. Relapse of cancer remains the largest obstacle to better survival outcomes.Primary funding sourceNational Institutes of Health.

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Predictors of survival, nonrelapse mortality, and failure-free survival in patients treated for chronic graft-versus-host disease.

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