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Impact of geriatric vulnerabilities on allogeneic hematopoietic cell transplantation outcomes in older patients with hematologic malignancies.

ABSTRACT: Older patients are at increased risk for complications and death following allogeneic hematopoietic cell transplantation (allo-HCT). Traditional transplant-specific prognostic indices such as hematopoietic cell transplant comorbidity index (HCT-CI) may not capture all underlying geriatric vulnerabilities, and in-depth evaluation by a geriatrician prior to transplant may not always be available. We hypothesize that routine pretransplant interdisciplinary clinical assessment may uncover prognostically important geriatric deficits. Using an institutional database of 457 adults aged 60 years and older who underwent first allo-HCT for hematological malignancies from 2010 to 2017, we examined the prognostic impact of pretransplant deficits in geriatric domains of function, mobility, mood, medication, nutrition, and relevant biochemical markers. We found that impairment in instrumental activities of daily living (IADL) was associated with reduced survival through increased nonrelapse mortality (NRM, HR?=?1.82; 95% CI, 1.04-3.19). The combination of IADL impairment with either HCT-CI/age index or disease risk index readily stratified NRM and overall survival, respectively. In addition, we found that even mild renal dysfunction adversely impacted survival in older transplant patients. Our findings establish important geriatric vulnerabilities in older patients prior to allo-HCT and may provide an entry point for prospective, interventional trials to improve their outcomes.

SUBMITTER: Lin RJ

PROVIDER: S-EPMC6940509 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Impact of geriatric vulnerabilities on allogeneic hematopoietic cell transplantation outcomes in older patients with hematologic malignancies.

Lin Richard J RJ Elko Theresa A TA Devlin Sean M SM Shahrokni Armin A Jakubowski Ann A AA Dahi Parastoo B PB Perales Miguel-Angel MA Tamari Roni R Shaffer Brian C BC Sauter Craig S CS Papadopoulos Esperanza B EB Gyurkocza Boglarka B Korc-Grodzicki Beatriz B Barker Juliet N JN Maloy Molly A MA Giralt Sergio A SA

Bone marrow transplantation 20190830 1

Older patients are at increased risk for complications and death following allogeneic hematopoietic cell transplantation (allo-HCT). Traditional transplant-specific prognostic indices such as hematopoietic cell transplant comorbidity index (HCT-CI) may not capture all underlying geriatric vulnerabilities, and in-depth evaluation by a geriatrician prior to transplant may not always be available. We hypothesize that routine pretransplant interdisciplinary clinical assessment may uncover prognostic ...[more]

PMID: 31471572

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Project description:A minimally toxic nonmyeloablative regimen was developed for allogeneic hematopoietic cell transplantation (HCT) to treat patients with advanced hematologic malignancies who are older or have comorbid conditions.To describe outcomes of patients 60 years or older after receiving minimally toxic nonmyeloablative allogeneic HCT.From 1998 to 2008, 372 patients aged 60 to 75 years were enrolled in prospective clinical HCT trials at 18 collaborating institutions using conditioning with low-dose total body irradiation alone or combined with fludarabine, 90 mg/m(2), before related (n = 184) or unrelated (n = 188) donor transplants. Postgrafting immunosuppression included mycophenolate mofetil and a calcineurin inhibitor.Overall and progression-free survival were estimated by Kaplan-Meier method. Cumulative incidence estimates were calculated for acute and chronic graft-vs-host disease, toxicities, achievement of full donor chimerism, complete remission, relapse, and nonrelapse mortality. Hazard ratios (HRs) were estimated from Cox regression models.Overall, 5-year cumulative incidences of nonrelapse mortality and relapse were 27% (95% CI, 22%-32%) and 41% (95% CI, 36%-46%), respectively, leading to 5-year overall and progression-free survival of 35% (95% CI, 30%-40%) and 32% (95% CI, 27%-37%), respectively. These outcomes were not statistically significantly different when stratified by age groups. Furthermore, increasing age was not associated with increases in acute or chronic graft-vs-host disease or organ toxicities. In multivariate models, HCT-specific comorbidity index scores of 1 to 2 (HR, 1.58 [95% CI, 1.08-2.31]) and 3 or greater (HR, 1.97 [95% CI, 1.38-2.80]) were associated with worse survival compared with an HCT-specific comorbidity index score of 0 (P = .003 overall). Similarly, standard relapse risk (HR, 1.67 [95% CI, 1.10-2.54]) and high relapse risk (HR, 2.22 [95% CI, 1.43-3.43]) were associated with worse survival compared with low relapse risk (P < .001 overall).Among patients aged 60 to 75 years treated with nonmyeloablative allogeneic HCT, 5-year overall and progression-free survivals were 35% and 32%, respectively.

Dataset Information

Impact of geriatric vulnerabilities on allogeneic hematopoietic cell transplantation outcomes in older patients with hematologic malignancies.

Publications

Impact of geriatric vulnerabilities on allogeneic hematopoietic cell transplantation outcomes in older patients with hematologic malignancies.

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