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Biomarkers for the Activity of Immune Checkpoint Inhibitor Therapy in Patients With Advanced Melanoma
1. Screen and recruitment: patients will be screened based on their prior history and intention to initiate treatment with an immune checkpoint inhibitor. 2. Study phase: - Collection of baseline demographic data, prior disease history, nature of ICI therapy, outcome data of ICI therapy (treatment disposition, toxicity, tumor response and survival). - Collection of blood samples will be performed every 3 to 4 weeks for the first year on ICI therapy and every 6 to 12 weeks thereafter until the end of ICI therapy, disease progression, death or loss to...
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Biomarkers in Immunotherapy of Melanoma
Background: Immunotherapy has been successful in treating advanced melanoma, but a large proportion of patients do not respond to the treatment with immune checkpoint inhibitors (ICIs). Preclinical and small cohort studies suggest biomarkers from the primary tumor, stool and body fluids as markers of response. This prospective study will evaluate gastrointestinal microbiome (bacterial spices and virome) composition and exosomal mRNA expression of PD-L1 and IFNγ correlation with radiological response rates to ICIs treatment of advanced melanoma patients. Methods: Patients treated with immune checkpoint inhibitors as a first line ...
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Biomarkers in Tumor Tissue Samples From Patients With Newly Diagnosed Neuroblastoma or Ganglioneuroblastoma
This research trial studies biomarkers in tumor tissue samples from patients with newly diagnosed neuroblastoma or ganglioneuroblastoma. Studying samples of tumor tissue from patients with cancer in the laboratory may help doctors identify and learn more about biomarkers related to cancer.
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Biomarker Study of Pancreatic Neuroendocrine Tumours
The biology of pancreatic neuroendocrine tumors can change during the disease course. This evolution of disease can manifest through increases in tumor proliferation rate, resistance to medical therapy and/or a change in tumor hormone secretion. This study aims to characterize how the biology of pancreatic neuroendocrine tumors change over time, measured by; patient symptoms, biochemistry, contrast enhanced computed tomography, DOTATOC-PET, FDG-PET and core needle biopsy with histopathological analysis (Ki67 index and tumor cell differentiation). Uptake on 68Ga-DOTATOC and 18F-FDG-PET will be correlated directly to tumor cell...
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BioMEL- Diagnostic and Prognostic Factors in Melanoma.
The investigators' hypothesis is that cutaneous melanoma, melanoma in situ, dysplastic nevi and benign nevi all differ in not only clinical characteristics but also molecular and genotypic characteristics. Patients with suspected primary cutaneous melanoma or a differential diagnosis, or secondary melanoma can be asked to participate in the first part of the project and patients with suspected or confirmed secondary (spread) melanoma can be included in the second part of the study. Participants included in the study answer a validated questionnaire regarding epidemiological and phenotypic factors to map medical history, prior UV...
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Biomolecular Analysis for Predicting Response to Regorafenib
The study envisages NGS analysis on tumor tissue from patients treated with regorafenib for recurrent glioblastoma as per standard care, with the aim to identify predictive biomarkers for response.
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Blocking TNF to Potentiate the ICI-dependent Immune Awakening in Melanoma
Cutaneous melanoma is a bad prognosis skin cancer, which can be treated with immune checkpoint inhibitors (ICI), such as anti-PD-1 (nivolumab, nivo) and anti-CTLA-4 (ipilimumab, ipi). However, about 50% of patients do not respond or relapse within 3 years post therapy induction, and immune-related adverse events (irAEs), such as colitis, are triggered and can be treated with TNF inhibitor (TNFi; ie, infliximab, inflix). The pharmacodynamic impact of TNFi on the immune and clinical responses remain to be clarified. The investigators previously demonstrated that TNFi enhance the efficacy of ICI in mouse melanoma models. Based on...
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Blood and Cerebrospinal Fluid Metabolomic Profile in Glioma Patients
This is an exploratory, non-interventional and translational clinical study. The aim of this study is to analyze blood and cerebrospinal fluid metabolomic profile in glioma patients.
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Blood Brain Barrier (BBB) Disruption Using Exablate Focused Ultrasound With Doxorubicin for Treatment of Pediatric DIPG
The purpose of this study is to evaluate the safety and efficacy of targeted blood brain barrier disruption with Exablate Model 4000 Type 2.0/2.1 in combination with Doxorubicin therapy for the treatment of DIPG in pediatric patients
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Blood Brain Barrier (BBB) Disruption Using Exablate Focused Ultrasound With Doxorubicin for Treatment of Pediatric DIPG
The purpose of this study is to evaluate the safety and efficacy of targeted blood brain barrier disruption with Exablate Model 4000 Type2.0/2.1 in combination with Doxorubicin therapy for the treatment of DIPG in pediatric patients
