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Efficacy of Lenalidomide Maintenance in Primary Central Nervous System Lymphoma and Primary Vitreoretinal Lymphoma: a Phase II, Open-label, Single-arm Study
Therefore, we intend to conduct a phase II study to evaluate the efficacy of maintenance therapy with lenalidomide as the maintenance therapy for patients with PCNSL or PVRL who have achieved CR or partial response after HD-MTX-based induction therapy followed by reduced-dose WBRT.Twentypatients with PCNSL or PVRL will be recruited. The primary outcome is 2-year progression-free survival from the first date of reduced-dose WBRT. Besides, the safety and the incidence of cute and late neurotoxicity related to reduced-dose WBRT, the single nucleotide polymorphism assay,and the clinical applications of plasma and CSF circulating tumor DNA and CSF lactate level will be investigated.
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Efficacy of Postoperative Radiotherapy for Atypical Meningioma Without Venous Sinus Invasion After Gross-total Resection
Postoperative adjuvant radiotherapy is a key component of comprehensive treatment of meningioma. However, for atypical meningioma after total resection, there is still a huge controversy in patients who need adjuvant radiotherapy after surgery. Many scholars have focused on this problem and carried out some small-scale retrospective studies, but they have contradictory results. Some of the studies found that postoperative adjuvant radiotherapy could not improve the prognosis of patients, but was questioned because the sample size was too small, resulting in insignificant results, while other studies found that postoperative adjuvant radiotherapy can improve progression free...
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Efficacy of Pyrotinib Plus Capecitabine in HER2-positive MBC With Active Brain Metastases That Have Failed ADCs
To evaluate the efficacy and safety of pyrotinib plus capecitabine in HER2-positive breast cancer patients with active brain metastases that have failed ADCs
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Efficacy of the RayerKnife X Stereotactic Radiotherapy System in the Treatment of Brain Metastases
The goal of this clinical trial is to evaluate the efficacy of stereotactic radiotherapy in the treatment of brain metastases. The main question it aims to answer is: Did stereotactic radiotherapy improve LC rate in the treatment of brain metastases? Participants will be recorded for local control rates during follow-up.
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Electrochemotherapy (ECT) in Patients With Primary Visceral Tumors and/or Secondary Visceral Localizations, of Any Histotype
This is an monocenter, single arm, clinical investigation that evaluate the impact of the method on the objective response rate (ORR) of visceral lesions undergoing electrochemotherapy. Electrochemotherapy is a well-defined method for the treatment of cutaneous and subcutaneous metastases of different tumor histotypes. Although still limited, the various experiences in the treatment of visceral localizations, particularly in liver metastases from colorectal cancer are promising and show that electrochemotherapy is a safe treatment, even in the case of lesions near large vessels or nerves. The investigators therefore propose a clinical investigation with a Medical Device...
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Elemene Plus Stupp Protocol Versus Stupp Protocol Alone for Newly-diagnosed Glioblastoma
The goal of this phase II randomized clinical trial is to compare the safety and efficacy of Elemene plus Stupp Protocol (the new protocol) and Stupp Protocol alone (the standard protocol) in patients with newly-diagnosed glioblastomas (ndGBMs). The main questions to answer are: - Whether the new treatment protocol (Elemene plus Stupp Protocol) is clinically safe for ndGBM patients. - Whether the new treatment protocol (Elemene plus Stupp Protocol) brings better survival benefits for ndGBM patients compared to the standard-of-care Stupp Protocol. Study participants will be enrolled in 5 hospitals in China and randomly assigned to receive either the new...
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Encorafenib and biNimetinib Followed by CEmiplimab and FiAnLimab in Patients With BRAF Mutant melanOma and Symptomatic Brain Metastases
Brain metastases in patients with advanced and metastatic melanoma are a frequent complication and a significant cause of morbidity and mortality in this patient population. As the incidence of brain metastases continues to increase in patients with metastatic melanoma, it is urgent that the investigators identify effective therapies. ENCEFALO is a Phase II, single arm, multicentre clinical trial designed to evaluate the activity of encorafenib plus binimetinib followed by cemiplimab and fianlimab in patients with BRAF mutated melanoma and symptomatic brain metastases, following the simon design Two-stage minimax. The objective main is to evaluate the 6 month intracranial...
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Endoscopic Resection for Small Rectal Neuroendocrine Tumors
In previous single center study, both modified cap-assisted endoscopic mucosal resection (mEMR-C) and endoscopic submucosal dissection (ESD) were reported to be effective for the treatment of small rectal neuroendocrine tumors (NETs) and mEMR-C was inferior to ESD for the treatment of small rectal NETs (≤10 mm), as it has shorter operation times and lower hospitalization costs. However, a multicenter randomized controlled trial is needed to prove the universality and generality of these findings.
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Endoscopic Resection for Small Rectal Neuroendocrine Tumors
According to clinical practice and relevant retrospective research data, both modified cap-assisted endoscopic mucosal resection (mEMR-C) and endoscopic mucosal resection with a ligation device(ESMR-L) were reported to be effective for the treatment of small rectal neuroendocrine tumors (NETs) . However, there is a lack of multicenter prospective studies to evaluate the advantages and disadvantages of mEMR-C and mEMR-L. mEMR-C is the modified ESMR-L without submucosal injection.
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Enhanced Local Intensified Radiation Therapy in Elderly Glioblastoma: a Phase 2 Hybrid Randomized Trial
Glioblastoma (GBM) is an aggressive malignancy of the central nervous system. Older adults with GBM have a unique constellation of medical, psychosocial, and supportive care needs. To address these challenges, prior work has evaluated the feasibility of hypofractionation, a treatment approach delivering fewer, larger radiation dosages over a shorter time period. Common hypofractionated regimens deliver a lower biologically equivalent radiation dose than the conventional regimens used for younger adults. Whether dose escalated hypofractionation can further improve outcomes in older adults remains unclear. This will be a hybrid randomized control trial comparing the efficacy and...
