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Head-to-head Study of 68Ga-MGS5 Versus 68Ga-DOTATATE PET/CT in Patients With Medullary Thyroid Carcinoma
Cholecystokinin-2 (CCK2) receptor is overexpressed in more than 90% of MTC cases, and preclinical studies have shown that 68Ga-MGS5 (targeting CCK2) has good stability in vivo and is promising for diagnosis and staging of MTC. This prospective study will compare the diagnostic effects of 68Ga-MGS5 and 68Ga-DOTATATE on MTC primary foci, lymph node metastasis, and distant metastasis, and explore the effect of 68Ga-MGS5 PET/CT on the clinical staging (TNM staging) of MTC.
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HER2-specific Chimeric Antigen Receptor (CAR) T Cells for Children With Ependymoma
This is a Phase I study to evaluate the safety profile of a type of immune therapy called HER2 CAR T cells (short for HER2 chimeric antigen receptor T cells). In addition to looking for side effects, we will study how well this treatment works against a brain tumor called ependymoma that has come back after treatment (recurrent) or has not responded well to treatment (progressive) in children. The HER2 CAR T cells used in this trial are made from the patient's own blood. A new gene, called the HER2 CAR, will be inserted into patient's T cells to allow them recognize a protein on the tumor called HER2. These HER2-specific CAR T cells may be able to target and kill ependymoma...
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Hereditary Pheochromocytoma Assessment of Tumour Immunologies
In this study, the investigators are examining the role of the immune system in pheochromocytoma and paraganglioma. The investigators aim to examine the differences in the immune system between people who have these tumors with and without a hereditary predisposition. The investigators also want to see how the immune system changes during the development of the tumor in people with a hereditary predisposition. Finally, the investigators will compare the data with a control group of people without these tumors. Ultimately, the investigators hope that the results will contribute to the discovery of new immune system-targeted medications for pheochromocytoma and paraganglioma.
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Hetrombopag in Promoting Platelet Engraftment After Auto-HSCT in Children with Neuroblastoma
The goal of this clinical trial is to learn if hetrombopag promotes platelet engraftment in neuroblastoma children undergoing autologous hematopoietic stem cell transplantation. The main question it aims to answer is: · Does drug hetrombopag promote platelet engraftment? Participants will take hetrombopag every day for 6 weeks or until platelet > 100*10^9/L.
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Hierarchical Diagnosis for Adult Diffuse Glioma Based on Deep Learning
This is a restrospective study to establish a deep learning model based on multi-parametric magnetic resonance imaging scans to predict Grade, histopathologic type and genotype of adult diffuse Glioma.
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High-Intensity Exercise and High-Fiber Diet for Immunotherapy Outcomes in Melanoma Patients: The DUO Trial
The purpose of this study is to determine whether high-intensity exercise and high-fiber diet are feasible and improve various health outcomes among participants with advanced melanoma receiving immunotherapy. The names of the groups in this research study are: - High-Intensity Exercise (EX) - High-fiber Diet (DT) - Combined High-Intensity Exercise and High-Fiber Diet (COMB) - Attention Control (AC)
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High-Intensity Interval Exercise in Young Adult Survivors of Pediatric Brain Tumors: A Pilot Feasibility Study
The purpose of this study is to determine whether a 16-week virtual, home-based, high-intensity interval training (HIIT) exercise program will improve physical, cognitive, and emotional health among young adult survivors of pediatric brain tumors. The names of the study interventions involved in this study are/is: - High-Intensity Interval Training (HIIT)
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High-resolution PET-CT Specimen Imaging for the Perioperative Visualization of Resection Margins
These are patients in whom a benign or malignant tumor was recorded requiring surgery. During that surgery, the surgeon will cut away the tumor as part of the treatment of the disease. In this process, it is important that the tumor is removed correctly and completely. To verify that the correct tissue was completely removed, the tissue is examined microscopically. However, a microscopic analysis takes a relatively long time and the result is not known until a few days after the surgery is completed. If that microscopic analysis should eventually reveal that the tumor was not completely removed, additional treatment is usually necessary. An assessment of the excised tissue...
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High Risk Neuroblastoma Study 1.8 of SIOP-Europe (SIOPEN)
This is a randomized study of the European SIOP Neuroblastoma Group (SIOPEN) in high-risk neuroblastoma (stages 2, 3, 4 and 4s MYCN-amplified neuroblastoma, stage 4 MYCN non amplified > 12 months at diagnosis). The protocol consists of a rapid, dose intensive induction chemotherapy, peripheral blood stem cell harvest, attempted complete excision of the primary tumour, myeloablative therapy followed by peripheral blood stem cell rescue, radiotherapy to the site of the primary tumour and immunotherapy (R4 randomization - isotretinoin and ch14.18/CHO (Dinutuximab beta, Qarziba ®).), with or without s.c. aldesleukin (IL-2)). Patients diagnosed after the closure of R3 randomization...
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High-Risk Neuroblastoma Study 2 of SIOP-Europa-Neuroblastoma (SIOPEN)
This is an international multicenter, open-label, randomized phase III trial including three sequential randomizations to assess efficacy of induction and consolidation chemotherapies and radiotherapy for patients with high-risk neuroblastoma.
