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Prospective Evaluation of Pencil Beam Scanning Proton Therapy for Previously Irradiated Tumors
The goal of this clinical research trial is to study the use of differing investigational doses and scheduling for Proton Therapy for tumors previously treated with radiation therapy. Generally, when patients are first treated for cancer with radiation therapy, they are treated with traditional photon (or x-ray) radiation therapy, which uses high-energy waves to kill tumor cells. In some cases, the cancer either returns or a new tumor can present in a different part of the body. With the usual radiation treatment, the photon beams travel all the way through the body. As a result, healthy tissues in front of and behind the tumor are exposed to radiation. Physicians who treat these...
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Prospective Exploratory Study of FAPi PET/CT With Histopathology Validation in Patients With Various Cancers
This exploratory study investigates how an imaging technique called 68Ga-FAPi-46 PET/CT can determine where and to which degree the FAPI tracer (68Ga-FAPi-46) accumulates in normal and cancer tissues in patients with cancer. Because some cancers take up 68Ga-FAPi-46 it can be seen with PET. FAP stands for Fibroblast Activation Protein. FAP is produced by cells that surround tumors (cancer associated fibroblasts). The function of FAP is not well understood but imaging studies have shown that FAP can be detected with FAPI PET/CT. Imaging FAP with FAPI PET/CT may in the future provide additional information about various cancers.
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Prospective Melanoma Database
In research on melanoma, translational research is the essential link between basic research and clinical research by facilitating the passage between discovery and improvement in the quality of patients care.That is the reason why it is very important to collect, and centralize clinical and biological data of patients with melanoma. The aim of the project is to provide to scientific community a structured, mixed clinical and biological database, unique in France, in order to insure accessibility to clinical data.
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Prospective Neurobehavioral Functions in Newly-diagnosed Patients With Primary CNS Lymphoma Treated With Hyperfractionated Conformal Whole-brain Radiation Therapy Plus Simultaneous Integrated Boost
Primary central nervous system lymphoma (PCNSL) is an uncommon disease. Conventional treatment has consisted of either whole-brain radiation therapy (WBRT) or methotrexate (MTX)-based combined modality therapy integrating chemotherapy with cranial irradiation in a sandwiched manner. No matter whether the dosage of MTX is high or conventional, combining chemotherapy with WBRT greatly improves intracranial tumor control and even survival outcomes. However, delayed treatment-related neurotoxicity and neurocognitive sequelae emerged as a significant debilitating complication in PCNSL patients, especially when effective combined chemoradiation can achieve disease control and long-term...
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Prospective Neurobehavioral Outcomes Follow-up in Primary CNS Lymphoma Patients Treated With Cranial Radiotherapy Combined With or Without MTX-based Chemotherapy According to the Multidisciplinary Treatment Guidelines Implemented at a Single Institute
Background. Primary central nervous system lymphoma (PCNSL) is an uncommon disease. Conventional treatment has consisted of either whole brain radiotherapy (WBRT) or methotrexate (MTX)-based combined modality therapy combining chemotherapy and cranial irradiation. The treatment principles at our institute have been quite consistent in the past, sticking to the treatment protocol reported by Memorial Sloan-Kettering Cancer Center in 1990s. No matter what the dosage of MTX is, it is well-established that the addition of chemotherapy to cranial RT significantly improved survival outcomes. However, it was found that delayed treatment-related cognitive sequelae emerged as a...
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Prospective Registration of Patient Data and Quality of Life in Eye Melanoma Patients
PROQEM is a prospective cohort study among patients diagnosed with uveal melanoma to assess quality of life before and in the first five years after treatment.
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Prospective Surgical Study on the Pattern of Electrical Activity in High Grade Glioma as a Predictor of Progression
The purpose of this study is to test the safety and feasibility of recording brain activity within and around high-grade glioma tumors at the time of surgery. A small biopsy will be taken at the sites of the recordings.
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Protective VEGF Inhibition for Isotoxic Dose Escalation in Glioblastoma
Glioblastoma is the most aggressive brain tumor and often recurs locally despite intensive treatment. Standard chemoradiotherapy with 60 Gy may not be sufficient to control the tumor, and dose escalation seems to be warranted, but causes more toxicity. To address this, the multicentric PRIDE trial employs two cycles of bevacizumab to achieve dose escalation isotoxically. The goal is improved survival without significantly increasing side effects. The study uses a simultaneous integrated boost with a total dose of 75 Gy in 2.5 Gy per fraction.
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Protein Molecular Characteristics and Prognosis of Cervical Neuroendocrine Tumors
The clinical diagnosis and treatment data of 300 cases of cervical neuroendocrine tumors were collected, including age, preoperative biopsy pathology results, postoperative histopathological results, TCT results, and colposcopy biopsy pathology results. At the same time, paraffin tissue specimens (remaining specimens after pathological diagnosis) from 100 cases of cervical neuroendocrine tumors from multiple centers across the country were collected to establish a cervical neuroendocrine tumor data follow-up database. Protein concentration and omics analysis were performed on the data results, to evaluate the molecular characteristics and prognosis of cervical neuroendocrine tumor...
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Protocol ITANET - Registry
This is a prospective observational study with the aim to create an Italian database for the collection of data on diagnostic approach, therapy and follow up of patients affected by GEP-NET (gastro-enteric-pancreatic neuroendocrine tumours). Data for approximately 200 italian patients were already previously collected in the ENETS database (international database). ENETS decided to interrupt the collection of the data for an indefinite period. For this reason, through an amendment (number 1) to the protocol, ITANET (Italian Association Neuro-endocrine Tumors) decided to transfer the italian data into a national database and to go on with the collection/update of the data, in order...
