2022
DOI: 10.3389/fimmu.2022.894787
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Case Report: Dual Inhibition of HDAC and BTK for Diffuse Large B-Cell Lymphoma After Failure to CD19-Targeted CAR-T Therapy

Abstract: BackgroundFailure to CD19-targeted chimeric antigen receptor T-cell (CAR-T) therapy for patients with relapsed/refractory (R/R) diffuse large B-cell lymphoma (DLBCL), is an emerging clinical problem. There is no consensus on the treatment for these patients and treatment remains empirical.Case ReportWe reported a case of an elderly R/R DLBCL patient who had TP53 mutation and relapsed 12 months after initial response to CAR T-cell therapy. The patient did not respond to salvage chemotherapy with the GDP regimen… Show more

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Cited by 5 publications
(5 citation statements)
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“…Meanwhile, a case reported by Weiguo Zhu et al. considered dual inhibition of HDAC and BTK resulting in long-term remission with R/R DLBCL patients after failure of CAR-T cell therapy with TP53 mutation, which suggests underlying synergistic mechanism between BTK inhibitor and CAR-T cell therapy ( 7 ). Furthermore, BTK inhibitor enabled the reduction of PD-1 and cytotoxic T lymphocyte-associated protein 4 (CTLA-4) to overturn the exhausted T cell phenotype.…”
Section: Discussionmentioning
confidence: 99%
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“…Meanwhile, a case reported by Weiguo Zhu et al. considered dual inhibition of HDAC and BTK resulting in long-term remission with R/R DLBCL patients after failure of CAR-T cell therapy with TP53 mutation, which suggests underlying synergistic mechanism between BTK inhibitor and CAR-T cell therapy ( 7 ). Furthermore, BTK inhibitor enabled the reduction of PD-1 and cytotoxic T lymphocyte-associated protein 4 (CTLA-4) to overturn the exhausted T cell phenotype.…”
Section: Discussionmentioning
confidence: 99%
“…Narendranath et al proposed the idea that administration of a BTK inhibitor before T cell collection could promote the level of IL-2 and IFNg, which are associated with high self-renewal ability and production efficacy, respectively, as well as stronger cytotoxicity. Meanwhile, a case reported by Weiguo Zhu et al considered dual inhibition of HDAC and BTK resulting in long-term remission with R/R DLBCL patients after failure of CAR-T cell therapy with TP53 mutation, which suggests underlying synergistic mechanism between BTK inhibitor and CAR-T cell therapy (7). Furthermore, BTK inhibitor enabled the reduction of PD-1 and cytotoxic T lymphocyte-associated protein 4 (CTLA-4) to overturn the exhausted T cell phenotype.…”
Section: Copies/mg; Car-t Cell Expansionmentioning
confidence: 99%
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“…The achieved ORR was 80%, and the CR was 30% (92). Further case studies have also cited the use of agents like BTKi, histone deacetylase inhibitors, and ibrutinib (93,94).…”
Section: Other Therapiesmentioning
confidence: 98%
“…Perhaps these agents, including zanubrutinib, could be administered concurrently as immune modifiers after CAR-T infusion, as well as synergizing with the anti-lymphoma effect. There is a single case report on zanubrutinib combined with an oral histone deacetylase inhibitor (HDACi), chidamide, in a 70-year old patient with DLBCL who relapsed 12 months after CAR-T therapy ( 85 ). He failed salvage chemotherapy with gemcitabine, dexamethasone and cisplatin, and suffered from progressive and symptomatic lung infiltration.…”
Section: Zanubrutinib In Other Lymphoid Malignanciesmentioning
confidence: 99%