Faculty Collaboration Database

Rituximab-containing reduced-intensity conditioning improves progression-free survival following allogeneic transplantation in B cell non-Hodgkin lymphoma. J Hematol Oncol 2017 Jun 12;10(1):117

Date

06/14/2017

Pubmed ID

28606176

Pubmed Central ID

PMC5469142

DOI

10.1186/s13045-017-0487-y

Scopus ID

2-s2.0-85020468882 (requires institutional sign-in at Scopus site)   18 Citations

Abstract

BACKGROUND: In B cell non-Hodgkin lymphoma (B-NHL), rituximab-containing reduced-intensity conditioning regimens (R-RIC) have been shown to provide favorable outcomes in single-arm studies; however, large multicenter studies comparing R-RIC and non-rituximab-containing reduced-intensity conditioning regimens (nonR-RIC) have not been performed. Using the CIBMTR database, we report the outcomes of R-RIC versus nonR-RIC regimens in B-NHL.

METHODS: We evaluated 1401 adult B-NHL patients undergoing allogeneic hematopoietic cell transplantation (allo-HCT) who received nonR-RIC (n = 1022) or R-RIC (n = 379) regimens. Graft-versus-host disease (GVHD) prophylaxis was limited to calcineurin inhibitor-based approaches.

RESULTS: Median follow-up of survivors in the R-RIC and nonR-RIC groups was 47 and 37 months, respectively. On multivariate analysis, no difference was seen between the R-RIC and nonR-RIC cohorts in terms of acute GVHD grade II-IV (RR = 1.14, 95%CI = 0.83-1.56, p = 0.43) or grade III-IV (RR = 1.16, 95%CI = 0.72-1.89, p = 0.54), chronic GVHD (RR = 1.15, 95%CI = 0.92-1.46, p = 0.22), non-relapse mortality (RR = 0.90; 95%CI = 0.67-1.22; p = 0.51), relapse/progression (RR = 0.79; 95%CI = 0.63-1.01; p = 0.055), and mortality (RR = 0.84, 95%CI = 0.69-1.02, p = 0.08) risk. However, R-RIC was associated with a significantly improved progression-free survival (RR = 0.76; 95%CI 0.62-0.92; p = 0.006). On subgroup analysis, mortality benefit was noted in the R-RIC group patients not receiving busulfan-based RIC (RR = 0.76; 95%CI = 0.60-0.96; p = 0.02) and with the use of a higher cumulative rituximab dose (RR = 0.43; 95%CI = 0.21-0.90; p = 0.02).

CONCLUSION: Our analysis shows that inclusion of rituximab in RIC regimens improves progression-free survival in patients with B cell NHL. These data supports the use of R-RIC in B-NHL patients undergoing allo-HCT.

Author List

Epperla N, Ahn KW, Ahmed S, Jagasia M, DiGilio A, Devine SM, Jaglowski S, Kennedy V, Rezvani AR, Smith SM, Sureda A, Fenske TS, Kharfan-Dabaja MA, Armand P, Hamadani M

Authors

Kwang Woo Ahn PhD Professor in the Institute for Health and Equity department at Medical College of Wisconsin
Timothy Fenske MD Professor in the Medicine department at Medical College of Wisconsin
Mehdi H. Hamadani MD Professor in the Medicine department at Medical College of Wisconsin
Samantha M. Jaglowski MD, MPH Professor in the Medicine department at Medical College of Wisconsin

MESH terms used to index this publication - Major topics in bold

Adolescent
Adult
Aged
Antineoplastic Agents, Immunological
Disease-Free Survival
Female
Follow-Up Studies
Graft vs Host Disease
Hematopoietic Stem Cell Transplantation
Humans
Lymphoma, B-Cell
Male
Middle Aged
Rituximab
Survival Analysis
Transplantation Conditioning
Transplantation, Homologous
Young Adult