Evidence map›Paper›PMID 41410870›Full record

ArticleCancer immunology, immunotherapy : CII2025

Pomalidomide enhances CAR-T cell therapeutic efficacy and remodels immune microenvironment in lymphoid malignancies.

Yi Zhou, Yan Yu, Linzhi Xie, Liwen Wang, Yuhan Yan, Qian Cheng, Jing Liu, Chang Zhang, Xin Li

Abstract read
In one paragraph

Article in Cancer immunology, immunotherapy : CII, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Yi Zhou *Department of Hematology, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
Yan Yu *Department of Hematology, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
Linzhi XieDepartment of Hematology, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
Liwen WangDepartment of Hematology, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
Yuhan YanDepartment of Hematology, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
Qian ChengDepartment of Hematology, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
Jing LiuDepartment of Hematology, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
Chang Zhang *Department of Hematology, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China. anniezhc@163.com.
Xin Li *Department of Hematology, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China. lixiner1975@163.com.ORCID http://orcid.org/0000-0001-9024-7522

Funding

Beijing Medical and Health Foundation JSZ021Fundamental Research Funds for Central Universities of the Central South University 2025ZZTS0194National Natural Science Foundation of China 82170204
6 · The paper itself

Abstract

backgroundChimeric antigen receptor T cell (CAR-T) therapy achieves high remission rates in lymphoid malignancies, but its long-term efficacy is limited by poor persistence and T cell exhaustion. Pomalidomide, an immunomodulatory drug (IMiD), demonstrates clinical synergy with CAR-T therapy, yet the underlying mechanisms driving this potentiation remain poorly defined. This study aimed to elucidate how pomalidomide enhances CAR-T cell function and remodels the immune microenvironment to overcome therapeutic limitations.

methodsIn vitro assays (CCK-8, LDH, qPCR, ELISA, flow cytometry) and bulk RNA-seq assessed pomalidomide's effects on human CAR-T cells. In vivo efficacy was evaluated in myeloma xenograft models. Single-cell RNA sequencing (scRNA-seq) of PBMCs from a lymphoma patient post-CAR-T/pomalidomide assessed immune microenvironment remodeling.

resultsPomalidomide significantly enhanced CAR-T cell proliferation and cytotoxicity in an activation-dependent manner. It upregulated effector molecules (IL-2, IFN-γ) and chemokines (CXCL9-CXCL11), promoted central memory T cells (Tcm), and induced metabolic reprogramming while reducing exhaustion markers. In xenografts, combination therapy induced tumor regression and extended survival vs. CAR-T alone. scRNA-seq revealed pomalidomide-driven remodeling, characterized by increased T/NK cell proportions/activity and reduced myeloid-derived suppressor cell (MDSC) signatures.

conclusionsPomalidomide synergizes with CAR-T by directly enhancing CAR-T function (memory, cytokine/chemokine production, metabolic fitness, and reduced exhaustion) and remodeling the suppressive immune microenvironment (increased cytotoxic effectors, diminished MDSC activity). These findings provide a crucial mechanistic rationale for optimizing pomalidomide-CAR-T combinations in refractory lymphoid malignancies.

Indexed as

Immunotherapy, AdoptiveLymphomaMultiple MyelomaReceptors, Chimeric AntigenThalidomideTumor MicroenvironmentAnimalsCell Line, TumorHumansMiceXenograft Model Antitumor AssayspomalidomideReceptors, Chimeric AntigenThalidomideCAR-T therapyImmune microenvironmentLymphoid malignanciesMemory T cellPomalidomide

Identifiers

PMID41410870
PMCPMC12715080

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LicenceCC BY-NC-ND
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.