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Allogenic and Autologous anti-CD7 CAR-T cell Therapies in Relapsed or Refractory T-Cell Malignancies

ABSTRACT: Allogenic and Autologous anti-CD7 CAR-T cell Therapies in Relapsed or Refractory T-Cell Malignancies

PROVIDER: PRJNA947149 | ENA |

REPOSITORIES: ENA

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Allogenic and Autologous anti-CD7 CAR-T cell Therapies in Relapsed or Refractory T-Cell Malignancies

Project description:Chimeric antigen receptor-T (CAR-T) therapy remains to be investigated in T-cell malignancies. CD7 is an ideal target for T-cell malignancies but is also expressed on normal T cells, which may cause CAR-T cell fratricide. Donor-derived anti-CD7 CAR-T cells using endoplasmic reticulum retention have shown efficacy in patients with T-cell acute lymphoblastic leukemia (ALL). Here we launched a phase I trial to explore differences between autologous and allogeneic anti-CD7 CAR-T therapies in T-cell ALL and lymphoma. Ten patients were treated and 5 received autologous CAR-T therapies. No dose-limiting toxicity or neurotoxicity was observed. Grade 1-2 cytokine release syndrome occurred in 7 patients, and grade 3 in 1 patient. Grade 1-2 graft-versus-host diseases were observed in 2 patients. Seven patients had bone marrow infiltration, and 100% of them achieved complete remission with negative minimal residual disease within one month. Two-fifths of patients achieved extramedullary or extranodular remission. The median follow-up was 6 (range, 2.7- 14) months and bridging transplantation was not administrated. Patients treated with allogeneic CAR-T cells had higher remission rate, less recurrence and more durable CAR-T survival than those receiving autologous products. Allogeneic CAR-T cells appeared to be a better option for patients with T-cell malignancies.

2023-03-25 | GSE227828 | GEO

The host response of IBS patients to allogenic and autologous faecal microbiota transfer

Project description:In this randomised placebo-controlled trial, irritable bowel syndrome (IBS) patients were treated with faecal material from a healthy donor (n=8, allogenic FMT) or with their own faecal microbiota (n=8, autologous FMT). The faecal transplant was administered by whole colonoscopy into the caecum (30 g of stool in 150 ml sterile saline). Two weeks before the FMT (baseline) as well as two and eight weeks after the FMT, the participants underwent a sigmoidoscopy, and biopsies were collected at a standardised location (20-25 cm from the anal verge at the crossing with the arteria iliaca communis) from an uncleansed sigmoid. In patients treated with allogenic FMT, predominantly immune response-related genes sets were induced, with the strongest response two weeks after FMT. In patients treated with autologous FMT, predominantly metabolism-related gene sets were affected.

2019-10-14 | GSE138297 | GEO

Efficacy-enhanced anti-CD7 universal chimeric antigen receptor-T cell therapy for relapsed/refractory CD7-positive hematological malignancies: A phase I clinical study

Project description:Chimeric antigen receptor-T cell (CAR-T) therapy in T cell malignancies faces fratricide, T cell aplasia, and product contamination. We developed an universal anti-CD7 CAR-T cells in which TRAC, CD7 and HLA-II were disrupted, while E-cadherin (a NK cell inhibitory molecule) was introduced, to mitigate graft versus host disease (GvHD), fratricide and rejection. Furthermore, we designed a subtle receptor, bbzg-CAR, comprising not only conventional domains (anti-CD7 scFv, 4-1BB co-stimulatory domain, and CD3ζ signaling domain), but also the intracellular domain of common γ chain. Bbzg-CAR-T exerted anti-tumor effects superior to those of conventional universal CAR-T cells. In adoptive therapy for relapsed/refractory (r/r) patients, no dose-limiting toxicity, GvHD, immune effector cell-associated neurotoxicity or severe cytokine release syndrome (grade≥3) was observed. Nine patients (82%) showed objective response with, complete response rates of 75% and 33.3% in r/r leukemia and lymphoma respectively. Preliminary safety and efficacy of this universal CAR-T product was achieved in CD7+ malignancies.

2022-09-08 | GSE192453 | GEO

The host response of IBS patients to allogenic and autologous faecal microbiota transfer

Project description:The host response of IBS patients to allogenic and autologous faecal microbiota transfer

| PRJNA575360 | ENA

DNA methylation of Relapsed/Refractory AML

Project description:Genome wide DNA methylation profiling of blood and bone marrow of Pediatric Patients with Relapsed/Refractory Acute Myeloid Leukemia. The Illumina Infinium EPIC Human DNA methylation Beadchip was used to obtain DNA methylation profiles across over 860,000 CpGs.

2023-12-31 | GSE225239 | GEO

Efficacy-enhanced anti-CD7 universal chimeric antigen receptor-T cell therapy for relapsed/refractory CD7-positive hematological malignancies: A phase I clinical study

Project description:Efficacy-enhanced anti-CD7 universal chimeric antigen receptor-T cell therapy for relapsed/refractory CD7-positive hematological malignancies: A phase I clinical study

| PRJNA791547 | ENA

DNA methylation of Relapsed/Refractory AML

Project description:DNA methylation of Relapsed/Refractory AML

| PRJNA934390 | ENA

Treatment of Relapsed and/or Chemotherapy Refractory Advanced Malignancies by CART133

Project description:RATIONALE: Placing a tumor antigen chimeric receptor that has been created in the laboratory into patient autologous or donor-derived T cells may make the body build immune response to kill cancer cells. PURPOSE: This clinical trial is studying genetically engineered lymphocyte therapy in treating patients with Relapsed and/or Chemotherapy Refractory Advanced Malignancies.

| 2197463 | ecrin-mdr-crc

ViPOR in Relapsed/Refractory B-Cell Lymphoma

Project description:ViPOR in Relapsed/Refractory B-Cell Lymphoma

| PRJNA1090979 | ENA

Novel therapies for relapsed/refractory aggressive lymphomas.

Project description:Most patients with aggressive non-Hodgkin lymphoma will be cured with initial chemoimmunotherapy; however, most patients with relapsed disease will not be cured and will die as a result of their disease. In these cases, continued treatment with conventional chemotherapy is typically not of benefit and can contribute to significant toxicities and decreased quality of life for patients. Fortunately, a number of therapies are currently available or under investigation for this group of patients, ranging from oral tyrosine kinase inhibitors targeting multiple pathways within the malignant cells to adoptive cellular therapies that harness the patient's immune system to fight disease. Additionally, many agents that are modestly effective as monotherapies can be safely combined with additional novel and conventional therapies to improve response rates and duration. Chimeric antigen receptor T cells are among the most promising group of therapies and provide the potential for cure for patients with relapsed/refractory lymphoma. In this chapter, we will review the currently available novel treatments as well as those still under investigation and discuss the most appropriate approach to patients with relapsed/refractory aggressive lymphoma. We will highlight the challenges associated with these therapies, as well as potential toxicities, and the need for additional clinical trials evaluating combinations and newer treatments.

| S-EPMC6245978 | biostudies-literature

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