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The purpose of this study is to obtain images of brain tumours during surgery using a new type of surgical camera. The study will assess how the information obtained from the images during surgery matches the removed tissue. Data will also be used to develop the system's key computer-processing features. This will enable real-time information to be given to the surgeon whilst they are performing the procedure and has the potential to make neurosurgery safer and more precise.
Intraoperative radiotherapy (IORT) is a new alternative for local radiotherapy with the advantages of dose escalation, reduced overall treatment time, and enhanced patient convenience, however the degree of efficacy is unknown, as well as and which is the most efficient dose. The objective of this study is to evaluate the efficacy and safety of IORT in patients with surgical excision of brain metastases at a dose of 20 Gy is at least as effective and safe as other forms of radiation therapy in patients with resection of brain metastases.
Intrathecal chemotherapy is one of the mainstay treatment options for leptomeningeal metastases. Pemetrexed is one of the first-line chemotherapeutic agents for non-squamous non-small cell lung cancer (NSCLC). Since 2017, intrathecal pemetrexed has shown good efficacy for patients with leptomeningeal metastases from NSCLC. It has been recommended as the preferred drug for intrathecal chemotherapy by the Chinese Society of Clinical Oncology (CSCO) guidelines. Tyrosine kinase inhibitors (TKIs) play a promising role in the treatment of non-small cell lung cancer patients with epidermal growth factor receptor (EGFR) mutations. Due to its small molecule properties, it can...
To determine the safety of intrathecal (IT) PD1 antibody for Intrathecal application of PD1 antibody in metastatic solid tumors with leptomeningeal disease of solid tumors.
Retinoblastoma is the most common intraocular malignancy in infancy and childhood. The overall survival rate of retinoblastoma was reported to exceed 95% when children were early diagnosed with localized intraocular phase. The advanced retinoblastoma cases with central nervous system metastasis (CNS)is associated with exceedingly poor prognosis. CNS metastasis is the main cause of death in retinoblastoma. Meningeal involvement combined with spinal cord membrane involvement might be due to the meninges invasion and/or the spreading of CSF. As the most sensitive drug to retinoblastoma tumor cells in vitro, melphalan is the most important drug in the local treatment of...
This is a prospective, multicenter, randomized controlled, open-label investigator-initiated clinical study to evaluate the clinical efficacy and quality of life of intrathecal chemotherapy through Ommaya reservoir in combination with systematic chemotherapy versus systemic chemotherapy alone in patients with Her-2 negative breast cancer with leptomeningeal metastasis.
Leptomeningeal metastasis, characterized by tumor cells infiltrating and proliferating in the subarachnoid space, represents a distinct pattern of central nervous system involvement and is a fatal complication of malignant tumors. This phase I/II study is to evaluate the recommended dose, safety, feasibility, and therapeutic response of intrathecal Programmed Death-1 (PD-1)/Cytotoxic T-Lymphocyte-Associated Protein 4 (CTLA-4) bispecific antibodies combined with pemetrexed in patients with leptomeningeal metastasis.
The objective of the present study is to determine the feasibility and to explore anti-tumor activity of intrathecal double immune checkpoint inhibition for patients with newly diagnosed leptomeningeal metastases from non-small cell lung cancer without driver mutation or melanoma.
This phase I/II study is to evaluate the recommended dose, safety, feasibility, and therapeutic response of intrathecal dual checkpoint inhibitor (targeting PD-1 and CTLA-4 with QL1706) in combination with pemetrexed in patients with leptomeningeal metastasis.
This is a prospective, single-arm, phase Ia clinical study, which was designed to evaluate the efficacy and safety of Pemetrexed Combined With Bevacizumab Intrathecal Injection in Patients With Leptomeningeal Metastases in NSCLC.
