A Systematic Literature Review of Health-Related Quality of Life Outcomes and Associated Utility Values in Relapsed and/or Refractory Large B Cell Lymphoma

Fei Fei Liu (), Meaghan Bartlett and Samantha Craigie
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Fei Fei Liu: Bristol Myers Squibb
Meaghan Bartlett: EVERSANA
Samantha Craigie: EVERSANA

PharmacoEconomics - Open, 2024, vol. 8, issue 2, No 2, 190 pages

Abstract: Abstract Background In this ever-expanding treatment landscape, there is a lack of consolidated health-related quality of life (HRQOL) outcomes and utility reports in relapsed or refractory (R/R) large B cell lymphoma (LBCL) to inform health care policy and decision-maker assessments for both old and new products. These assessments can have a direct effect on what treatment options are available to patients and physicians. Objective A systematic literature review (SLR) was performed to understand the HRQOL evidence for treatments in R/R LBCL and identify associated health utility values. Methods The SLR searched and screened literature published from 1 January 2003 to 2 May 2022. Studies were screened based on Population, Intervention, Comparator, Outcome, Study design criteria established a priori and were assessed by two independent reviewers; quality assessments of the evidence were performed in accordance with health technology assessment recommendations from the National Institute for Health and Care Excellence. Several types of therapies were included, such as chimeric antigen receptor (CAR) T cell products (lisocabtagene maraleucel, axicabtagene ciloleucel, tisagenlecleucel), novel therapies (selinexor, nivolumab, polatuzumab vedotin, and bendamustine), salvage therapies, and rituximab. Results The review identified 33 unique studies reporting HRQOL, including 15 economic studies that reported health state utility values, 9 clinical trials, 7 health technology assessment reports, and 1 each of a vignette-based study and a point-in-time survey. Improvements in general and/or lymphoma-specific HRQOL measures were observed with CAR T cell therapy in both the second-line and third-line or later settings. On-treatment utility values for CAR T cell therapies ranged from 0.50 to 0.74. Values for remission/progression-free survival (0.70–0.90) and for disease progression (0.39–0.59) were similar across studies. For novel therapies, utility values were 0.83 for progression-free survival and ranged from 0.39 to 0.71 for disease progression. On-treatment utility values for salvage chemotherapy ranged from 0.63 to 0.67. Conclusions Overall, the evidence synthesized in this SLR provides a comprehensive understanding of the HRQOL evidence in R/R LBCL. This article identified several sources for utility values in the published literature showing variation in the HRQOL outcomes for patients across a variety of therapeutics. Treatment of R/R LBCL with CAR T cell therapies was associated with improvement in health utility values. Mixed results were found for novel therapies and salvage therapies. More data are needed as new therapies are used in this patient population to inform treatment decision-making.

Date: 2024
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DOI: 10.1007/s41669-023-00464-5

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