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Nivolumab plus ipilimumab for potentially resectable hepatocellular carcinoma: long-term efficacy and biomarker exploration

ABSTRACT: Immune checkpoint inhibitor-based combination therapy produced high objective response for patients with hepatocellular carcinoma (HCC) and may improve clinical outcome as neoadjuvant or peri-operative therapy. This study evaluated efficacy and safety of nivolumab plus ipilimumab for patients potentially resectable HCC and explored potential predictive biomarkers for efficacy.

ORGANISM(S): Homo sapiens

PROVIDER: GSE302495 | GEO | 2025/09/20

REPOSITORIES: GEO

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Nivolumab plus ipilimumab for potentially resectable hepatocellular carcinoma: long-term efficacy and biomarker exploration

Project description:Nivolumab plus ipilimumab for potentially resectable hepatocellular carcinoma: long-term efficacy and biomarker exploration

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Sitravatinib in combination with nivolumab plus ipilimumab in patients with advanced clear cell renal cell carcinoma: a phase 1 trial

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Biopsies from advanced melanoma before and/or after treatment with nivolumab

Project description:Expression profiling of tumor samples obtained during CA209-038 (ClinicalTrials.gov Identifier: NCT01621490). The purpose of this study is to evaluate pharmacodynamic changes of nivolumab and nivolumab in combination with ipilimumab treatment on the biomarkers measured in the peripheral blood and tumor tissues of subjects with advanced melanoma (unresectable or advanced). Samples are rumor core needle biopsies obtained at trial enrolment (i.e. Screen) and/or at Cycle 1 Day 29 (i.e.Week 4) from Subjects With Advanced Melanoma (Unresectable or Metastatic) treated with nivolumab (BMS-936558,MDX-1106) 3 mg/kg solution intravenously every 2 weeks on Bristol-Myers Squibb clinical trial protocol CA209-038 Part 1 . Cohort 2 patients have progressed on anti-CTLA4 (ipilimumab) monoclonal antibody therapy. Values are from an interim lock of the trial data in July 2014. Best overall response (BOR) was defined using RECIST 1.1 criteria: tumor assessments between date of first dose and the date of first objectively documented progression, or the date of non-missing subsequent anti-cancer therapy (whichever occurs first) were used to derive BOR. MPCT is Maximum reduction in tumor size (index lesions only) up to first progression, and is the value typically shown on a waterfall plot.

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Myeloid mimicry mediates hyperprogression in patients with renal medullary carcinoma treated with nivolumab plus ipilimumab

Project description:Renal medullary carcinoma (RMC) is a rare but highly aggressive malignancy that mainly afflicts young individuals of African descent and has few treatment options. Despite the approval of combination immune checkpoint therapy (ICT) for other kidney cancers, its efficacy against RMC remains elusive. We conducted a prospective clinical trial of nivolumab plus ipilimumab in patients with RMC. Enrollment was halted for futility after a prespecified interim analysis revealed that all 10 patients experienced rapid disease progression with 5/10 meeting radiological criteria for hyperprogression. Median progression-free survival was only 1.38 months (95% confidence interval (CI): 1.28, 1.60). To elucidate the underlying mechanisms, we analyzed high-quality single-cell RNA sequencing data from RMC patients before and after nivolumab plus ipilimumab treatment. Our analysis suggested that ICT-triggered interferon gamma upregulation induces RMC tumor cells to activate key myeloid regulators such as the CEBPB / p300 complex that promote tumor cell proliferation leading to hyperprogression. Using an immunocompetent somatic mosaic genetically engineered mouse model of RMC, we confirmed that combination ICT induced hyperprogression of primary and metastatic tumors compared with IgG control by hijacking myeloid-affiliated transcriptional circuits. Blocking of this “myeloid mimicry” adaptive mechanism using a selective inhibitor of p300 induced sensitivity to combination ICT in our animal model of RMC. These findings provide novel insights into RMC adaptation to ICT and demonstrate that inhibiting master myeloid regulators can elicit antitumor responses to ICT thus informing the next generation of immunotherapy strategies targeting hyperprogression.

2025-06-30 | GSE256326 | GEO

Neoadjuvant immune checkpoint blockade in retroperitoneal dedifferentiated liposarcoma and extremity/trunk undifferentiated pleomorphic sarcoma (NCT03307616)

Project description:Recent evidence suggests that immune checkpoint blockade (ICB) has some activity in metastatic dedifferentiated liposarcoma (DDLPS) and undifferentiated pleomorphic sarcoma (UPS). We conducted a randomized, non-comparative phase 2 trial (NCT03307616) of nivolumab or nivolumab/ipilimumab in patients with resectable retroperitoneal DDLPS (n=17) and extremity/truncal UPS (n=10), with UPS patients receiving concurrent radiation therapy. The primary endpoint of pathologic response as assessed by percent hyalinization was observed to be a median of 8.8% in DDLPS patients and 89% in UPS patients and similar in nivolumab and ipilimumab/nivolumab arms in both cohorts . Higher intratumoral densities of T-regulatory cells were associated with absence of pathologic response (hyalinization<30%). Tumor infiltration by B-cells was associated with higher densities of T-regulatory cells before treatment; this association was lost upon ICB treatment. Our data demonstrate that neoadjuvant ICB with concurrent radiation may have significant efficacy in UPS and is associated complex immune changes in the tumor microenvironment in DDLPS and UPS.

2024-01-01 | GSE202361 | GEO

Pilot Trial of Arginine Deprivation plus Nivolumab and Ipilimumab in Patients with Metastatic Uveal Melanoma

Project description:Metastatic uveal melanoma (UM) remains challenging to treat, with objective response rates to immune checkpoint blockade (ICB) much lower than in primary cutaneous melanoma (CM). Besides a lower mutational burden, the overall immune-excluded tumor microenvironment of UM might contribute to the poor response rate. We therefore aimed at targeting deficiency in argininosuccinate synthase 1, which is a key metabolic feature of UM. This study aimed at investigating safety and tolerability of a triple combination consisting of ipilimumab and nivolumab immunotherapy and the metabolic therapy ADI-PEG 20. 9 patients were enrolled in this pilot study. The combination therapy was safe and tolerable with absence of immune related adverse events (irAE) of special interest but with 4 of 9 patients experiencing a CTCAE grade 3 AE. No objective responses were observed. All except one patient developed anti-drug antibodies (ADA) within a month of treatment initiation and therefore did not maintain arginine depletion. Further, an IFNg-dependent inflammatory signature was observed in metastatic lesions in patients pre-treated with ICB compared with patients with no pretreatment. Multiplex immunohistochemistry demonstrated variable presence of tumor infiltrating CD8 lymphocytes and PD-L1 expression at baseline in metastases.

2022-05-13 | GSE202687 | GEO

Nivolumab+Ipilimumab+RT in MSS mCRC

Project description:This research is being done to study the effects of the combination of ipilimumab, nivolumab, and radiation therapy in people with metastatic microsatellite stable colorectal cancer. This research study involves the following drugs and interventions: * Ipilimumab * Nivolumab * Radiation Therapy

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Next Generation Sequencing Facilitates Quantitative Analysis of tumor samples from HCC patients receiving Nivolumab.

Project description:To identify critical tumor-secreting factors that may contribute to immunotherapy efficacy against HCC, we subjected tumor samples from 10 HCC patients to whole-transcriptome sequencing, and categorized the patients into two groups according to clinical response to nivolumab. We then performed gene expression profiling analysis using data obtained from RNA-seq of Nivolumab reponders and non-reponsers.

2023-12-06 | GSE215011 | GEO

Phase II Clinical and Immune Correlate Study of Adjuvant Nivolumab plus Ipilimumab for High-Risk Resected Melanoma

Project description:Background: Adjuvant therapy for high-risk resected melanoma with PD-1 blockade results in median relapse-free survival (RFS) of 5 years. The addition of low dose ipilimumab (IPI) to a regimen of nivolumab (NIVO) in Checkmate-915, did not result in increased RFS. A pilot phase II adjuvant study of either standard or low dose IPI with NIVO was conducted at two centers to evaluate RFS with correlative studies. Methods: Patients (pts) with resected stages IIIB/IIIC/IV melanoma received either IPI 3mg/kg and NIVO 1mg/kg (cohort 4) or IPI 1mg/kg and NIVO 3mg/kg (cohorts 5 and 6) induction therapy every three weeks for 12 weeks, followed by maintenance NIVO. Peripheral blood samples at baseline and on-treatment were assessed by flow cytometry for potential biomarkers. Peripheral CD8+ T-cells were assessed by RNA-Seq. Results: High rates of grade 3-4 adverse events precluded completion of induction therapy in 50%, 35% and 7% of patients in cohorts 4, 5 and 6 respectively. At a median of 63.9 months of follow up, 16/56 pts (29%) relapsed. For all patients, at five-years, RFS was 71% (95% CI: 60, 84), and overall survival was 94% (95% CI: 88, 100). Expansion of CD3+CD4+CD38+CD127-GARP- T-cells, an on-treatment increase in CD39 expression in CD8+ T-cells, and T-cell expression of phosphorylated STAT2 and STAT5 were associated with relapse. Conclusions: Adjuvant IPI/NIVO at the induction doses used resulted in excellent relapse-free survival, albeit with a high rate of grade 3-4 adverse events. Biomarker analyses highlight an association of ectoenzyme-expressing T-cells and STAT signaling pathways with relapse.

2022-12-02 | GSE219251 | GEO

Biopsy analysis of trial S1616: Ipilimumab plus nivolumab versus ipilimumab alone in patients with anti-PD-1-refractory melanoma

Project description:Biopsy analysis of trial S1616: Ipilimumab plus nivolumab versus ipilimumab alone in patients with anti-PD-1-refractory melanoma

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