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MelPRO-0322 (CRISTINA Trial) [miCrobiome pRedIctS aPD1 effecTivnes In melaNoma pAtietns]
The goal of this observational study is to learn about if new biomarkers such as gut microbiota and molecular genetics melanoma features could predict clinical radiological and pathological response to neoadjuvant monotherapy with anti-PD1 agents in patients with resectable stage IIIB-D melanoma. The main questions it aims to answer are: - radiological and pathological response rate to three doses of antiPD1 agents; - do radiological and pathological responses correlate with gut microbiota and melanoma molecular genetics features Participants will receive three doses of aPD1 monotherapy as per center routine practice and will undergo regional ...
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MEM-288 Oncolytic Virus Alone and in Combination With Standard of Care Therapy in Advanced Solid Tumors
This is a multipart, open-label, multi-center dose escalation, dose expansion phase I clinical trial designed to evaluate the safety, tolerability, maximum tolerated dose (MTD), recommended phase 2 dose (RP2D), and preliminary efficacy of MEM-288 in patients with advanced solid tumors. Eligible subjects must have a tumor lesion(s) which is accessible for injection. The dose escalation phase (Part 1A - advanced solid tumors) has completed and is closed to enrollment. This phase evaluated multiple doses of MEM-288 dosed via intratumoral injection once every 3 weeks to assess safety, tolerability, preliminary efficacy, and to determine the MTD. The dose expansion phase has...
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Memory-Like Natural Killer Cells With Nivolumab and Relatlimab in Advanced or Metastatic Melanoma After Progression on Checkpoint Inhibitors
This is a Phase 1 open-label, study designed to characterize the safety, tolerability, and preliminary anti-tumor activity of memory-like natural killer cells (ML NK) in combination with nivolumab and relatlimab in subjects with advanced and/or metastatic melanoma. There will be two arms to test the variables of ML NK cell source. ML NK cells from an autologous source will be used for Arm 1, and ML NK cells from an allogeneic source will be used for Arm 2. The investigators hypothesize that ML NK cells from either an autologous source or allogeneic source are safe and tolerable in subjects with advanced and/or metastatic melanoma.
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Meningioma and Embolism Thrombosis Risk & Investigation of Coagulation
Despite being generally benign tumors, meningiomas are associated with an increased risk for thrombembolic complications after surgical resection. The molecular mechanisms underlying this circumstance are still unknown. In this prospective observational trial, the investigators aim to evaluate the changes in coagulation and platelet function caused by tumor resection. Blood samples are obtained by patients undergoing meningioma resection before and immediately after resection to detect said changes. As a control cohort, blood samples are obtained from patients undergoing resection for glioma.
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MEningioma Detection Using Non Contrast MRI TecHniquEs
Meningioma, an extra-axial brain tumor developed at the expense of meninges, accounts for 35% of central nervous system tumors, and its incidence is estimated at 3% in large autopsy series. The current gold standard for screening and monitoring cerebral meningiomas is MRI with injection of gadoline-contrast product. However, the use of some of these products is problematic, due to gadolinium deposits observed in patients who have had several injections during their lifetime, especially in patients followed for multiple sclerosis. Recently, the French National Agency for the Safety of Medicines and Health Products (ANSM) issued recommendations concerning the screening of...
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Metabolic Characteristics of Brain Tumors Using Hyperpolarized Carbon-13 Magnetic Resonance Spectroscopic Imaging (MRSI)
This is a non-randomized, purely observational, feasibility study to detect metabolic changes in patients with brain malignancy using a novel hyperpolarized [1-13C]pyruvate MRSI.
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Metabolic Characterization of Space Occupying Lesions of the Brain
High field MR-technologies are expected to boost metabolic spectroscopic imaging (MRSI), but also CEST-MRI. This is due to the fact that increased SNR is available which can be used to increase the spatial resolution of all sequences, or reduction of measurement times. Recent findings has shown that MRSI can be used to evaluate the isocitrate dehydrogenase (IDH) status of gliomas, a brain tumor type which is most often diagnosed in humans. Patients with IDH-mutated gliomas have a much longer survival time that IDH-wildtype. In IDH-mutated gliomas the substance 2-hydroxy-glutarate (2HG) is found, whereas in IDH-wildtype gliomas it is not. The underlying trial aims to measure 2HG...
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Metabolic Phenotypes in Melanoma
This is a single centre, correlative, longitudinal, biomarker study that aims to describe the metabolic features of human melanoma using mass spectrometry.
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Metabolomics and Genetic Diagnosing Pancreatic Neuroendocrine Tumors in MEN1 Patients
Objectives: The aim of the present study is to assess the significance of metabolomics and genetics in diagnosing and survival evaluation for pNET in the periodic follow-up of MEN1 patients. Aim 1: To evaluate the relationship of serum global metabolic profiles with subsequent development of aggressive PNET and evaluate patients survival in a nested case-control study of MEN1 patients who have developed aggressive PNETs (cases) and MEN1 patients who have developed non-aggressive PNETs (controls). Aim 2: Validate the top serum metabolites identified from Aim 1 in MEN1 patients who have developed aggressive PNETs and MEN1 patients who have developed non-aggressive...
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Metachronic Brain Metastases After Esophagectomy for Esophageal Cancer (METABREC)
Esophagectomy is the cornerstone of the curative treatment of esophageal carcinoma. Despite this treatment, patients can suffer from locoregional or distant metastatic disease and only a very selected group of patients can be cured: mostly those with recurrence in one single organ. Brain metastases are rare after esophagectomy for cancer, but they have a serious impact on survival. Agressive treatment is often moren difficult for brain metastases compared to other metastases and some risk factors have been identified earlier. There is an impression that the incidence of brain metastases in esophageal cancer patients has increased since the introduction of neoadjuvant treatment...
