Project description:Interventions: Antibiotics
Without antibiotics
Primary outcome(s): The rate of post electrocoagulation syndrome after colorectal endoscopic submucosal dissection
Study Design: Parallel Randomized
Project description:Interventions: Non-closure
Endoscopic closure
Primary outcome(s): The rate of PECS and delayed perforation
Study Design: Parallel Randomized
Project description:Here, we developed a clinical-grade bioartificial liver (BAL) device by implanting with directly reprogrammed human hepatocytes (hiHep) manufactured and cryopreserved under current good manufacturing practice (cGMP) conditions. Notably, in a porcine PHLF model induced by 85% hepatectomy, hiHep-BAL treatment showed a remarkable survival benefit, as well as improvements of liver metabolic gene expression, ammonia detoxification, and liver regeneration. Furthermore, an investigator-initiated study in seven patients with extended liver resection (NCT05035108) demonstrated that hiHep-BAL treatment was well tolerated without complications and associated with ameliorative liver function and remarkable liver regeneration, meeting the primary outcome of safety and feasibility. These encouraging results warrant the further efficacy testing of hiHep-BAL for PHLF followed by the future broadening the patients eligible for liver resection in clinics.
Project description:Richter syndrome (RS) occurs in up to 15% of patients with chronic lymphocytic leukemia (CLL). While RS, usually represented by the histologic transformation to a diffuse large B-cell lymphoma (DLBCL), is associated with a very poor outcome, especially when clonally related to the pre-existing CLL, mechanisms leading to RS have not been clarified yet. To better understand the pathogenesis of RS, we analyzed a series of cases including: 59 RS, 28 CLL-phase of RS, 315 CLL and 127 de novo DLBCL. RS demonstrated a genomic complexity intermediate between CLL and DLBCL. Cell cycle deregulation via inactivation of TP53 and of CDKN2A was a main mechanism in the histologic transformation from CLL-phase, being present in approximately half of the cases, and affected the outcome of the RS patients. A second major subgroup was characterized by the presence of trisomy 12 and comprised one third of the cases. While RS shared some of the lesions seen in de novo DLBCL, its genomic profile was clearly separate. The CLL-phase preceding RS had not a generalized increase in genomic complexity when compared with untransformed CLL, but it presented clear differences in the frequency of specific genetic lesions. Genomic profiling of Richter-syndrome Chronic Lymphocytic Leukemia