Plain language summary of the TRANSFORM study primary analysis results: liso-cell as a second treatment regimen for large B-cell lymphoma following failure of the first treatment regimen

JS Abramson, SR Solomon, J Arnason, PB Johnston, B Glass, V Bachanova, S Ibrahimi, S Mielke, P Mutsaers, F Hernandez-Ilizaliturri, K Izutsu, F Morschhauser, M Lunning, A Crotta, S Montheard, A Previtali, K Ogasawara, M Kamdar

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Abstract

What is this summary about?: People diagnosed with a disease called large B-cell lymphoma (LBCL) may experience return, or early relapse, of their disease within the first year after receiving and responding to their first (first-line) treatment regimen. Others may have primary refractory disease, meaning that the disease either did not respond to first-line treatment at all or only responded for a very brief period. Second (second-line) treatment includes immunotherapy followed by high-dose chemotherapy and ASCT, which has the potential to cure LBCL. However, if the disease does not respond to immunotherapy, people cannot receive ASCT, and less than 30% of people are cured. Therefore, new second-line treatment options are required, such as CAR T cell therapy, which uses a person's own genetically engineered lymphocytes, also called T cells, to fight their lymphoma. In this article, we summarize the key results of the phase 3 TRANSFORM clinical study that tested if liso-cel, a CAR T cell treatment, can safely and effectively be used as a second-line treatment for people with early relapsed or primary refractory (relapsed/refractory) LBCL. A total of 184 adults with relapsed/refractory LBCL who were able to receive ASCT were randomly treated with either liso-cel or standard of care (SOC) as second-line treatment. SOC included immunochemotherapy followed by high-dose chemotherapy and ASCT. What were the key takeaways?: Almost all (97%) people in the liso-cel group completed treatment, whereas 53% of people in the SOC group did not complete treatment, mostly due to their disease not responding or relapsing, and therefore they were not able to receive ASCT. People who received liso-cel as a second-line treatment lived longer without the occurrence of an unfavorable medical event or worsening of the disease and had a better response to treatment than those who received SOC as second-line treatment. People who received liso-cel reported side effects that researchers considered to be manageable, and that were known to occur with CAR T cell treatment. What were the main conclusions reported by the researchers?: Results from the TRANSFORM study support the use of liso-cel as a more effective second-line treatment compared with SOC that is safe for people with relapsed/refractory LBCL. Clinical Trial Registration:NCT03575351 (TRANSFORM study) (ClinicalTrials.gov).

Original languageEnglish
Pages (from-to)1455-1465
Number of pages11
JournalFuture Oncology
Volume20
Issue number21
Early online date28 Mar 2024
DOIs
Publication statusPublished - 2024

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© 2024 The Authors.

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