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18F-FET-PET/MRI vs Standard MRI Alone for Stereotactic RadioTherapy Planning for High Grade Brain Gliomas
Amino acid PET imaging for brain gliomas is gaining acceptance for the diagnosis and monitoring of disease. This is commonly performed in Europe. There is an opportunity to develop this tracer for use in Ontario, specifically for accurate delineation of disease for therapy planning and for prediction of disease recurrence, which is difficult with conventional imaging and clinical assessment techniques. The goals of this project are to develop this tracer in our local setting for use in our patients, provide evidence in the Ontario setting of its utility in addressing these unmet needs, and provide pilot evidence for future clinical trials. Gliomas are primary malignancies of the...
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19(T2)28z1xx Chimeric Antigen Receptor (CAR) T Cells in People With B-Cell Cancers
The purpose of this study is to test the safety of 19(T2)28z1xx CAR T cells in people with relapsed/refractory B-cell cancers. The researchers will try to find the highest dose of 19(T2)28z1xx CAR T cells that causes few or mild side effects in participants. Once they find this dose, they can test it in future participants to see if it is effective in treating their relapsed/refractory B-cell cell cancers. This study will also look at whether 19(T2)28z1xx CAR T cells work against participants' cancer.
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3rd Generation GD-2 Chimeric Antigen Receptor and ICaspase Suicide Safety Switch, Neuroblastoma, GRAIN
Subjects that have relapsed or refractory neuroblastoma are invited to take part in this gene transfer research study. We have found from previous research that we can put a new gene called a chimeric antigen receptor (CAR) into T cells that will make them recognize neuroblastoma cells and kill them. In a previous clinical trial, we used a CAR that recognizes GD2, a protein found on almost all neuroblastoma cells (GD2-CAR). We put this gene into T cells and gave them back to patients that had neuroblastoma. The infusions were safe and in patients with disease at the time of their infusion, the time to progression was longer if we could find GD2 T cells in their blood for more...
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68Ga-DOTATOC Radio-Guided Surgery With β-Probe in GEP-NET
In gastro-entero-pancreatic neuroendocrine tumors (GEP-NETs), radical surgery provides good long-term outcome and low recurrence rates. In GEP-NETs the actual surgical planning is established on the ground of preoperative morphology images (CT scan), and functional imaging using CT/PET with 68Ga-DOTA-TOC, since the high expression of somatostatin receptors (SSR) of these tumors. RGS in GEP-NETs, mainly with gamma-probes, has been not widely accepted since the low rates of sensitivity and, in particular, specificity, in discriminating tumoral/ non tumoral tissue and background ratio. This is a relevant issue in particular in detecting metastatic lymph-nodes both for small-intestine...
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9-ING-41 in Patients with Advanced Cancers
GSK-3β is a potentially important therapeutic target in human malignancies. The Actuate 1801 Phase 1/2 study is designed to evaluate the safety and efficacy of 9-ING-41, a potent GSK-3β inhibitor, as a single agent and in combination with cytotoxic agents, in patients with refractory cancers.
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Abbreviated MAPK Targeted Therapy Plus Pembrolizumab in Melanoma
This research study is studying a combination of drugs as a possible treatment for unresectable or metastatic melanoma. The drugs involved in this study are: - Pembrolizumab (Keytruda) - Trametinib (Mekinist) - Dabrafenib (Tafinlar)
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Abemaciclib in Patients with Oligodendroglioma
This is a phase II, single arm, open label study looking how well a drug called abemaciclib works in patients with recurrent oligodendroglioma
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Abemaciclib (LY2835219) in Patients With Recurrent Primary Brain Tumors
The purpose of this study is to test any good and bad effects of a study drug called abemaciclib (LY2835219) in patients with recurrent brain tumors.
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Acalabrutinib and Durvalumab in Primary and Secondary Central Nervous System Lymphoma
BTK inhibition and checkpoint blockade are promising classes of therapy for central nervous system (CNS) lymphoma and have demonstrated efficacy with acceptable toxicity. A multidrug approach may carry a higher chance of durable efficacy in this aggressive disease that carries significant morbidity and mortality. Given the poor outcomes and limited options for patients who are not candidates for high-dose methotrexate, the investigators seek to evaluate the combination in this patient population. 08/30/2022: The study was originally designed for those with primary and secondary central nervous system (CNS) lymphoma. However, the first three patients who were enrolled all had...
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A Clinical and Molecular Risk-Directed Therapy for Newly Diagnosed Medulloblastoma
Historically, medulloblastoma treatment has been determined by the amount of leftover disease present after surgery, also known as clinical risk (standard vs. high risk). Recent studies have shown that medulloblastoma is made up of distinct molecular subgroups which respond differently to treatment. This suggests that clinical risk alone is not adequate to identify actual risk of recurrence. In order to address this, we will stratify medulloblastoma treatment in this phase II clinical trial based on both clinical risk (low, standard, intermediate, or high risk) and molecular subtype (WNT, SHH, or Non-WNT Non-SHH). This stratified clinical and molecular treatment approach will be...
