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The primary objective of the study is to evaluate the effect of intravenously infused nitroglycerin on the incidence of the cardio-respiratory side effects during the intra-arterial chemotherapy for retinoblastoma in pediatric patients. The intra-arterial chemotherapy at the ophthalmic artery is an important treatment option for retinoblastoma. However, the cardio-respiratory side effects (sudden onset of bradycardia, hypotension, a severe decrease in the compliance of lung, hypoxia) occasionally occurs during catheter manipulation in the ophthalmic artery. One of the purported mechanisms of cardio-respiratory side effects is vagal activation from the activation of trigeminal...
The goal of this interventional phase III clinical trial is to evaluate objective intracranial response rate (iORR) after a treatment with total cranial radiation therapy plus concomitant transdermal nitroglycerin (NTG) addition or total cranial radiation therapy only in patients with stage IV non-small cell lung cancer with brain metastases and EGFR mutation. The main questions it aims to answer are: Determine progression-free survival (PFS) to CNS and overall survival (OS). Evaluate and compare the quality of life (QoL) of patients during and after treatment. Evaluate the cognitive function of patients before, during and after treatment. Evaluate treatment-associated...
Patients with advanced melanoma are, amongst others, currently treated with nivolumab monotherapy or with nivolumab and ipilimumab followed by nivolumab. Even though registration studies administered nivolumab in a 3 mg/kg 2 weekly scheme, currently, nivolumab monotherapy is either administered in a 240 mg 2-weekly scheme or in a 6 mg/kg or 480 mg 4-weekly scheme. With the current dosing regimen, steady-state is achieved after approximately 5 to 6 months, whereas a tumour response is usually observed earlier in patients with metastatic melanoma. Moreover, PD-1 receptor occupancy is almost saturated above doses of 0.3 mg/kg, or at nivolumab serum levels of 10 mg/L, which is...
This is a Phase 1 study with Phase 2 expansion cohort. Phase 1 will assess the safety and tolerability of universal donor TGFβi NK Cell in combination with irinotecan, temozolomide, and dinituximab. The phase 2 of the study will estimate the response to treatment.
This phase II trial seeks to determine the role of nodal radiation therapy after sentinel lymph node biopsy (SLNB) for patients with high risk sentinel lymph node positive melanoma who are planned for immunotherapy without completion lymph node dissection. Prior studies of patients with more advanced melanoma have shown nodal radiation therapy can decrease the risk of nodal recurrence but it is not known if this same benefit will be seen in patients with high risk sentinel lymph node positive disease who are planned for immunotherapy.
This observational study aims to evaluate the effectiveness of magnetoencephalography (MEG) in the preoperative assessment of pediatric brain tumors, particularly in determining the extent of resection, and compare it with computed tomography (CT) and magnetic resonance imaging (MRI). The main questions this study aims to answer are: What is the consistency between MEG and CT/MRI in localizing pediatric brain tumors? What is the clinical efficacy of MEG in determining the extent of resection of pediatric brain tumors preoperatively? Participants will: Undergo both MEG and CT/MRI examinations for preoperative assessment, and the extent of tumor resection will be...
The planned multicenter register is intended to create a database in the form of a cancer register on the incidence and course of disease in Germany of leptomeningeal disease, the therapeutic measures administered in the real world and the complications.
Patients who have undergone curative treatment may be at risk of relapse. This study will collect, annotate, and sequence biospecimens (blood, stool, and tissue) from patients across different tumor types to detect molecular residual disease (MRD) before metastases become radiographically or clinically detectable. This will allow for early cancer interception, and hopefully prolong relapse-free survival across tumor types.
This prospective multicenter study aims to enroll GBM patients who will undergo repeated assessments (preoperatively and 3 months post-surgery) to detect circulating tumor cells and analyze the transcriptomic profiles of EVs in their blood. The prognostic and monitoring significance of these biomarkers to disease course (assessing treatment efficacy, resistance incidence, tumor progression) will be evaluated. Concurrently, proteomic profiles typical of GBM will be analyzed in blood and ocular secretion samples from GBM patients, patients with low-grade gliomas, and patients without brain tumors to identify and validate novel protein biomarkers suitable for disease monitoring....
MRI-based sequences can provide non-invasive quantification of intratumoral 2-hydroxyglutarate (2HG) distribution and tumor cellularity in human gliomas and help guide the development of novel glioma therapies.
