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ABBV-319: A First-In-Class CD19-targeting Glucocorticoid Receptor Modulator (GRM) Agonist Antibody-Drug Conjugate (ADC) for the Treatment of B-cell Malignancies

ABSTRACT: ABBV-319: A First-In-Class CD19-targeting Glucocorticoid Receptor Modulator (GRM) Agonist Antibody-Drug Conjugate (ADC) for the Treatment of B-cell Malignancies

PROVIDER: PRJNA1049454 | ENA |

REPOSITORIES: ENA

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ABBV-319: A First-In-Class CD19-targeting Glucocorticoid Receptor Modulator (GRM) Agonist Antibody-Drug Conjugate (ADC) for the Treatment of B-cell Malignancies [CITE-seq]

Project description:Glucocorticoids are key component of the immuno-chemotherapy regimens (e.g., R-CHOP, EPOCH-R, Hyper-CVAD) for the treatment of B-cell non-Hodgkin lymphoma (NHL). However, prolonged systemic glucocorticoid treatment is associated with several adverse events. ABBV-319 is a CD19-targeting antibody-drug conjugate (ADC) engineered to reduce glucocorticoid-associated toxicity while possessing three distinct mechanisms of action (MOA) to increase therapeutic efficacy: (1) antibody-mediated delivery of glucocorticoid receptor modulator (GRM) payload to activate apoptosis, (2) inhibition of CD19 signaling, and (3) enhanced Fc-mediated effector function via afucosylation of the antibody backbone. ABBV-319 elicited potent GRM-driven anti-tumor activity against multiple B-cell NHL cell lines in vitro as well as in cell line-derived xenografts (CDXs) and patient-derived xenografts (PDXs) in vivo. Remarkably, a single-dose of ABBV-319 induced sustained tumor regression and enhanced anti-tumor activity compared to repeat dosing of systemic prednisolone at the maximum tolerated dose (MTD) in mice. The unconjugated CD19 monoclonal antibody (mAb) also displayed anti-proliferative activity on a subset of B-cell lymphoma cell lines through the inhibition of PI3K signaling. Moreover, afucosylation of the CD19 mAb enhanced Fc-mediated antibody-dependent cellular cytotoxicity (ADCC), and this activity was maintained after conjugation with GRM payloads. Notably, ABBV-319 displayed superior efficacy compared to afucosylated CD19 mAb in human CD34+ PBMC-engrafted NSG-Tg(Hu-IL15) transgenic mice, demonstrating enhanced anti-tumor activity when different MOAs are combined. ABBV-319 also showed durable anti-tumor activity across multiple preclinical B-cell lymphoma models, including non-germinal center B-cell (GCB) DLBCL and relapsed lymphoma after R-CHOP treatment. Collectively, these data support the ongoing testing of ABBV-319 in Phase I clinical trial (NCT05512390)

2023-12-15 | GSE249542 | GEO

ABBV-319: A First-In-Class CD19-targeting Glucocorticoid Receptor Modulator (GRM) Agonist Antibody-Drug Conjugate (ADC) for the Treatment of B-cell Malignancies [RNA-seq]

2023-12-15 | GSE249023 | GEO

ABBV-319: A First-In-Class CD19-targeting Glucocorticoid Receptor Modulator (GRM) Agonist Antibody-Drug Conjugate (ADC) for the Treatment of B-cell Malignancies [RNA-seq]

Project description:ABBV-319: A First-In-Class CD19-targeting Glucocorticoid Receptor Modulator (GRM) Agonist Antibody-Drug Conjugate (ADC) for the Treatment of B-cell Malignancies [RNA-seq]

| PRJNA1047041 | ENA

ABBV-319: A First-In-Class CD19-targeting Glucocorticoid Receptor Modulator (GRM) Agonist Antibody-Drug Conjugate (ADC) for the Treatment of B-cell Malignancies [CITE-seq]

Project description:ABBV-319: A First-In-Class CD19-targeting Glucocorticoid Receptor Modulator (GRM) Agonist Antibody-Drug Conjugate (ADC) for the Treatment of B-cell Malignancies [CITE-seq]

| PRJNA1049459 | ENA

ABBV-319: A First-In-Class CD19-targeting Glucocorticoid Receptor Modulator (GRM) Agonist Antibody-Drug Conjugate (ADC) for the Treatment of B-cell Malignancies

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-12-15 | GSE249543 | GEO

Metagenome of ADC

Project description:Metagenome of ADC

| PRJNA670640 | ENA

WAS-ADC sludge

Project description:WAS-ADC sludge Raw sequence reads

| PRJNA682807 | ENA

Brd2 inhibitor ABBV-744 inhibits SARS-CoV-2 infection in Syrian Hamsters

Project description:We tested if Brd2 inhibitor ABBV-744 could reduce SARS-CoV-2 infection in Syrian Hamsters. Three days post-infection, the lungs of hamsters were harvested and subjected to RNA-seq. Infected, but untreated, hamsters showed marked up-regulation of a number of genes including ISGs when compared to uninfected controls. In contrast, hamsters treated with ABBV-744 showed a down-regulation of ISG levels, confirming ABBV-744 activity. Thus, Brd2 inhibition can decrease SARS-CoV-2 infection in Syrian Hamsters.

2021-09-02 | GSE182994 | GEO

Identification of potential ABBV-075 responsive markers in mouse skin

Project description:Determination of transcriptional alterations in skin samples from ABBV-075 treated mice

2017-03-07 | GSE89934 | GEO

RNA-seq tumor immunome analysis of murine breast cancer model EMT6-hHER2 responsive to novel antibody drug conjugate T-PNU

Project description:An orthotopic murine breast cancer model was created by transfecting the human HER2 gene into the breast cancer cell line EMT6 resulting in EMT6-hHER2. Previous in vivo tumor treatments with trastuzumab, trastuzumab-emtansine (T-DM1) and a novel antibody drug conjugate (ADC) T-PNU (provided by NBE therapeutics and carrying the highly potent anthracycline analogue PNU-159682) revealed that EMT6-hHER2 tumors are unresponsive to standard therapy treatments of trastuzumab and T-DM1, but respond well to the novel ADC T-PNU. Identifying immunogenic cell death properties of T-PNU, we postulated a therapeutic relevance for T-PNU mediated immune modulation of the tumor microenvironment. In order to identify the transcriptional pathways underlying the T-PNU anti-tumor response, we performed RNA-sequencing analysis of CD45+ tumor-derived cells from differently treated cohorts (untreated, trastuzumab, T-DM1, T-PNU; n=6).

2018-10-06 | GSE120888 | GEO

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