PMID- 36595660 OWN - NLM STAT- MEDLINE DCOM- 20230303 LR - 20230316 IS - 1538-8514 (Electronic) IS - 1535-7163 (Print) IS - 1535-7163 (Linking) VI - 22 IP - 3 DP - 2023 Mar 2 TI - Exploration of Tumor Biopsy Gene Signatures to Understand the Role of the Tumor Microenvironment in Outcomes to Lisocabtagene Maraleucel. PG - 406-418 LID - 10.1158/1535-7163.MCT-21-0506 [doi] AB - In the TRANSCEND NHL 001 study, 53% of patients with relapsed/refractory large B-cell lymphoma (LBCL) treated with lisocabtagene maraleucel (liso-cel) achieved a complete response (CR). To determine characteristics of patients who did and did not achieve a CR, we examined the tumor biology and microenvironment from lymph node tumor biopsies. LBCL biopsies from liso-cel-treated patients were taken pretreatment and approximately 11 days posttreatment for RNA sequencing (RNA-seq) and multiplex immunofluorescence (mIF). We analyzed gene expression data from pretreatment biopsies (N = 78) to identify gene sets enriched in patients who achieved a CR to those with progressive disease. Pretreatment biopsies from month-3 CR patients displayed higher expression levels of T-cell and stroma-associated genes, and lower expression of cell-cycle genes. To interpret whether LBCL samples were "follicular lymphoma (FL)-like," we constructed an independent gene expression signature and found that patients with a higher "FL-like" gene expression score had longer progression-free survival (PFS). Cell of origin was not associated with response or PFS, but double-hit gene expression was associated with shorter PFS. The day 11 posttreatment samples (RNA-seq, N = 73; mIF, N = 53) had higher levels of chimeric antigen receptor (CAR) T-cell densities and CAR gene expression, general immune infiltration, and immune activation in patients with CR. Further, the majority of T cells in the day 11 samples were endogenous. Gene expression signatures in liso-cel-treated patients with LBCL can inform the development of combination therapies and next-generation CAR T-cell therapies. CI - (c)2023 The Authors; Published by the American Association for Cancer Research. FAU - Olson, N Eric AU - Olson NE AUID- ORCID: 0000-0003-4587-269X AD - Bristol Myers Squibb, Seattle, Washington. FAU - Ragan, Seamus P AU - Ragan SP AUID- ORCID: 0000-0002-0836-1236 AD - Bristol Myers Squibb, Seattle, Washington. FAU - Reiss, David J AU - Reiss DJ AUID- ORCID: 0000-0001-5392-3034 AD - Bristol Myers Squibb, Seattle, Washington. FAU - Thorpe, Jerill AU - Thorpe J AUID- ORCID: 0000-0001-8772-5028 AD - Bristol Myers Squibb, Seattle, Washington. FAU - Kim, Yeonhee AU - Kim Y AUID- ORCID: 0000-0002-3209-916X AD - Bristol Myers Squibb, Seattle, Washington. FAU - Abramson, Jeremy S AU - Abramson JS AUID- ORCID: 0000-0001-8467-9257 AD - Massachusetts General Hospital Cancer Center, Boston, Massachusetts. AD - Harvard Medical School, Boston, Massachusetts. FAU - McCoy, Candice AU - McCoy C AUID- ORCID: 0000-0003-1073-2822 AD - Bristol Myers Squibb, Seattle, Washington. FAU - Newhall, Kathryn J AU - Newhall KJ AUID- ORCID: 0000-0002-6441-9316 AD - Bristol Myers Squibb, Seattle, Washington. FAU - Fox, Brian A AU - Fox BA AUID- ORCID: 0000-0001-6620-3853 AD - Bristol Myers Squibb, Seattle, Washington. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - Mol Cancer Ther JT - Molecular cancer therapeutics JID - 101132535 RN - 0 (Receptors, Chimeric Antigen) RN - 0 (Antigens, CD19) SB - IM MH - Humans MH - Tumor Microenvironment MH - Biopsy MH - Genes, Neoplasm MH - *Lymphoma, Follicular MH - Combined Modality Therapy MH - Immunotherapy, Adoptive MH - *Lymphoma, Large B-Cell, Diffuse MH - *Receptors, Chimeric Antigen MH - Antigens, CD19 PMC - PMC9978882 EDAT- 2023/01/04 06:00 MHDA- 2023/03/04 06:00 PMCR- 2023/03/02 CRDT- 2023/01/03 15:02 PHST- 2021/06/03 00:00 [received] PHST- 2021/12/17 00:00 [revised] PHST- 2022/12/21 00:00 [accepted] PHST- 2023/01/04 06:00 [pubmed] PHST- 2023/03/04 06:00 [medline] PHST- 2023/01/03 15:02 [entrez] PHST- 2023/03/02 00:00 [pmc-release] AID - 712708 [pii] AID - MCT-21-0506 [pii] AID - 10.1158/1535-7163.MCT-21-0506 [doi] PST - ppublish SO - Mol Cancer Ther. 2023 Mar 2;22(3):406-418. doi: 10.1158/1535-7163.MCT-21-0506.