View clinical trials related to Neoplasms Malignant.
Filter by:It has well accepted that tumor angiogenesis present aberrant vascular architecture and functional abnormalities, which is associated with tumorigenesis, tumor propagation and progression. By locating, separating and tracking microbubbles, the recently introduced and upgraded Ultrasound Localization Microscopy (ULM) surpassed classical wave diffraction limit. However, the acquisition of structural and functional parameters of microcirculation in vivo for ULM is still confined by the compromise between the resolution and penetration depth. The relatively long acquisition time induced the difficulty of motion correction potentially, which hampers the preclinical to clinical application in organs with distinct tissue motion such as the liver. Therefore, we take the lead in studying human liver lesion microvasculature, which remains a challenge for noninvasive, quantitative and functional intravital imaging especially due to its deep-seated location and strong motion. We developed a Super-resolution Ultrasound (SR-US) imaging technique based on ULM to assess its feasibility of visualizing and quantifying microvasculature in human organs.
The goal of this clinical trial is to compare the efficacy of using polypropylene mesh for hernia prevention after stoma closure in patients with colorectal cancer and non-mesh repair. The main question it aims to answer is: can mesh help prevent hernia? Participants will be divided into 2 groups: with and without mesh using. They must be followed up for 2 years after enrollment in the study. Researchers will compare mesh and non-mesh groups to evaluate the benefits and harms of mesh using in hernia prevention.
Epigallocatechin-3-gallate (EGCG) is a major polyphenol of green tea that possesses a wide variety of actions, such as anti-inflammatory, anti-fibrotic, pro-apoptotic, anti-tumorous, and metabolic effects via modulation of a variety of intracellular signaling cascades. In addition, preclinical studies have also emphasized the antiviral activity of epigallocatechin-3-gallate (EGCG), including SARS-CoV-2. In previous studies, we found that EGCG can prevent and cure radiation-induced normal tissue damage in tumor patients. In clinical studies, we found that EGCG can prevent and treat radiation-induced acute radiation esophagitis, acute radiation skin injury, acute radiation oral mucositis with high safety. Thus, we designed this phase I-II clinical study in order to investigate the possible role of EGCG in the treatment interstitial pneumonia in tumor patients.
Immuno-Oncology (IO) therapies have revolutionized cancer therapy and are becoming the standard of care for many cancers. Monitoring how well IO therapies work against cancer is difficult due to the complexity of the immune system and the fact that an immune response may initially increase, rather than decrease, the size of a tumor. An early response marker would be beneficial to determine which patients should remain on a given treatment or combination of treatments, and which patients should seek other treatment options. 18F-LY3546117 is a radiolabeled tracer that binds to a specific protein (Granzyme B) that is found in the human immune system and is thought to trigger programmed cell death. It is thought that imaging Granzyme B activity in tumors and elsewhere in the body using a Positron Emission Tomography (PET) scan will allow doctors to monitor the progress of IO therapy.
In this study, the investigators will compare the clinical outcomes of the natural orifice specimen extraction surgery versus traditional robotic-assisted surgery in the treatment of colorectal cancer.
This study is to characterize the safety, tolerability, pharmacokinetics (PK), immunogenicity, pharmacodynamics (PD) and anti-tumor activity of AK112, a PD-1/VEGF bispecific antibody, as a single agent in adult subjects with advanced solid tumor malignancies. The study consists of a dose escalation phase (Phase 1a) to determine the maximum tolerated dose (MTD), or recommended Phase 2 dose (RP2D) for AK112 as a single agent, and a dose expansion phase (Phase 1b) in subjects with specific tumor types which will characterize treatment of AK112 as a single agent at the MTD or RP2D.