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Primary central nervous system (CNS) lymphomas represent 5% of primary brain tumors. More than 90% of them are diffuse large B-cell lymphomas. [18F]-Fluorodeoxyglucose positron emission tomography (PET-[18F]-FDG) is the gold standard for imaging systemic lymphomas, but its application in primary CNS lymphoma is compromised by the limited specificity of brain fixations and the high uptake of [18F]-FDG in healthy brain tissue. [18F]-Fludarabine is a new radiopharmaceutical developed for PET imaging of lymphomas. Preclinical studies indicate a restricted binding specificity to lymphoid tissue compared to [18F]-FDG and an ability to detect residual lymphoma disease after...
PET (positron emission tomography) scans combined with a radioactive tracer will be used to identify and analyze tumors. Currently, the most common tracer used to analyze neuroblastoma tumors is called 123I-mIBG. However, the picture it provides is not always clear enough to see the very small areas of the disease. 18F-DA (18F-fluorodopamine) has been shown to be safe and more effective than 123I-mIBG in analyzing the tumor pheochromocytoma, which is closely related to neuroblastoma. With this research study, the investigators plan to meet the following goals: - Investigate to see if 18F-DA is safe to administer to pediatric patients with known or suspected...
Glioma is the most common primary malignant brain tumour in adults and has an extremely poor prognosis. Glioblastoma is the most common subtype and its most aggressive form, with an annual incidence of 3.19 cases per 100,000. The aim of this study is to quantify the degree of fatty acid oxidation in 20 participants diagnosed with glioblastoma multiforme (GBM) that have undergone surgical resection throughout the course of their chemotherapy and radiotherapy treatment. The investigators hypothesise that the parameters derived from longitudinal 18F-fluoropivalate (18F-FPIA) positron emission tomography (PET) will change predictably over the course of therapy in relation to...
This is a study evaluating the positron-emitting radiopharmaceutical 18F-mFBG compared to 123I-mIBG scintigraphy for imaging of neuroblastoma
The aim of this study is to evaluate the diagnostic performance and tumor burden of 18F-metafluorobenzylguanidine (18F-MFBG) positron emission tomography (PET) in patients with neuroendocrine tumors mainly in pheochromocytoma and paraganglioma (PPGL) and neuroblastoma (NB).
The aim of this study is to evaluate the diagnostic performance and tumor burden of 18F-metafluorobenzylguanidine (18F-MFBG) positron emission tomography (PET) in patients with neuroblastoma.
The aim of this study is to evaluate the diagnostic performance and tumor burden of 18F-metafluorobenzylguanidine (18F-MFBG) positron emission tomography (PET) in patients with pheochromocytoma.
RATIONALE: Diagnostic procedures, such as 3'-deoxy-3'-[18F] fluorothymidine (FLT) PET imaging, may help find and diagnose cancer. It may also help doctors predict a patient's response to treatment and help plan the best treatment. PURPOSE: This phase I trial is studying FLT PET imaging in patients with cancer.
The purpose of this clinical trial is to evaluate the safety and tolerability of amivantamab and to determine the preliminary antitumour activity of amivantamab administered at the recommended Phase 2 dose (RP2D). In the Phase 1b of this study a biomarker defined arm will be opened, initially in the relapsed GMB setting, enrolling 12 patients. These patients will be treated with amivantamab monotherapy. Amivantamab will be administered intravenously (IV) weekly for the first 4 weeks, then every 2 weeks thereafter until disease progression or unacceptable toxicity. The first dose will be given as a split infusion, 350 mg IV over 4 hours on cycle 1 day 1 and 1400 mg IV over 6 hours...
The purpose of this clinical trial is to evaluate the safety and tolerability of avutometinib and defactinib and to determine the preliminary antitumour activity of avutometinib and defactinib administered at the recommended Phase 2 dose (RP2D). In the Phase 1b of this study parallel biomarker defined arms will be opened, initially in the relapsed GMB setting, enrolling 12 patients onto each arm. These patients will be treated with avutometinib and defactinib double therapy. Avutometinib will be administered orally at 3.2mg twice a week (e.g., on Monday / Thursday or Tuesday / Friday) with or without a meal. The total weekly dose of avutometinib is 6.4mg. Defactinib will be...
