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Filter by:Whole-genome and transcriptome sequencing of patients with advanced solid tumors enrolled in the NCT/DKTK MASTER (Molecularly Aided Stratification for Tumor Eradication Research) program revealed recurrent NRG1 fusions in a substantial proportion of patients with KRAS wild-type (KRASwt) pancreatic adenocarcinoma (PDAC) and a case of signet-ring cell carcinoma of the appendix. NRG1 rearrangements drive tumor development through ERBB receptor-mediated signaling, as evidenced by objective response to ERBB inhibition in two cases of NRG1-rearranged PDAC in the MASTER cohort. Recently, NRG1 fusions have also been identified as a therapeutic target in a substantial number of the invasive mucinous subtype of lung adenocarcinoma (IMA) as well as in cholangiocellular carcinoma and, at low incidence, other tumor entities, suggesting oncogenic properties across a broader spectrum of malignancies. Within this phase II clinical trial, the investigators aim to investigate the efficacy of the pan-ERBB inhibitor afatinib in advanced-stage NRG1-rearranged malignancies across all tumor entities following progression on standard therapy. Due to the enrichment of NRG1-rearrangements observed in KRASwt PDAC and IMA, two separate study arms will focus on these tumor entities while a third arm will allow inclusion of patients with any other NRG1 rearranged malignancy. Recruitment of adequate patient numbers in this well-defined molecular subgroup will be achieved by a multicenter approach including all DKTK partner sites and on-site pre-screening of PDAC for KRAS mutational status. Eligible patients will be identified by in-depth molecular characterization of tumors within the NCT/DKTK MASTER program or identification of a NRG1-rearranged tumor by another method for fusion detection (e.g. gene fusion panel). Patients with NRG1-rearranged tumors fulfilling eligibility criteria will be offered to participate in the trial and receive afatinib monotherapy until tumor progression or discontinuation for other reasons. To assess mechanisms of secondary resistance and to investigate the clinical impact of liquid biopsies in this setting, blood samples for exome sequencing will be taken prior to initiation of the study treatment as well as at the time of progression.
The purpose of this study is to assess the safety and effectiveness of Roxadustat dosing regimens among chronic dialysis participants converted from ESA therapy or who are ESA-naïve.
The purpose of this study is to compare upper arm versus forearm Extended Dwell Catheter (EDC) placement for blood sampling functionality. EDC is an alternative to peripheral Intravenous (IVs) especially during prolonged hospital stays. EDCs are generally placed using ultrasound for guidance and are commonly placed in any of 3 veins in the arm. They can be inserted above or below the antecubital fossa (the bend of the elbow). These catheters can be left for up to 30 days and don't fail as quickly when compared to peripheral IVs.
This randomized controlled trial was aimed at assessing the efficacy of a two-stage crown lengthening intervention (SCL) for restorative purposes in the aesthetic zone compared with a one-stage crown lengthening procedure (CCL).
This study evaluates whether tumors present in patients with cancer who are planned to get CAR T-cells have low amounts of oxygen (hypoxia). PET scans may be used to check the amounts of oxygen within areas of cancer with a special radioactive tracer called FAZA that specifically looks for areas of low oxygen. This study is being done to help researchers determine how the amount of oxygen within areas of cancer affect how well CAR T-cells kill cancer cells.
This is a prospective observational study among women at high-risk of postpartum hemorrhage, in their third trimester who are admitted to Labor &Delivery in spontaneous labor, for induction of labor, or for scheduled cesarean section.
The study will evaluate how safe and effective abemaciclib is when given to participants whose metastatic prostate cancer progresses after they had received several previous treatments.
Currently, most patients with an anterior cruciate ligament (ACL) injury undergo surgery. There is a general belief that surgical reconstruction is necessary to return to sport safely and to limit premature knee osteoarthrosis or additional meniscal damage. However, there is unsufficient scientific evidence for this belief. Moreover, several studies show that a reconstruction does not guarantee successful return to sports or the prevention of osteoarthritis or meniscal injuries at all. Therefore, an immediate surgery after an ACL injury is more and more questioned. The only qualitative RCT that exists (KANON trial) could not demonstrate that an immediate reconstruction is an added value (in terms of symptoms, knee function, activity level, osteoarthritis or incidental meniscal damage) compared to a conservative approach consisting of progressive rehabilitation and delayed surgery if there was persistent knee instability. In a future multicenter RCT the investigators want to 1) verify these results and 2) search for predictors that predict which patients from the conservative group do well without delayed surgery. This information is invaluable to physicians as it allows them to decide which treatment is best for the patient. Before performing a large, adequately-powered RCT that compares both treatment options, the investigators will run a pilot study that assesses the feasibility to recruit ACL patients for such RCT. This seems necessary, as many patients still believe that timely surgery is a prerequisite for restoring knee function, for returning to sports and for preventing cartilage degeneration. These preferences for surgery might affect recruitment and adherence to the protocol. Therefore, a pilot study will performed that demonstrates whether a large RCT is feasible with regard to 1) participant recruitment, 2) adherence to the treatment arm they were allocated to and 3) protocol feasibility. The findings of this pilot study will help deciding about progressing to a future definitive RCT.
The increasing demand for whitening teeth necessitates requirements and guidelines to ensure the efficacy of products and bleaching techniques. So far there is no comparative study to evaluate the effectiveness of pre-operative air-powder polishing device (APD) and rubber-cup prophylaxis on tooth bleaching in-office. Office-bleaching has some advantages such as avoiding soft tissue irritation, preventing the use of excess material and producing immediate esthetic results. The aim this study is to compare the effects of pre-operative air-powder polishing and rubber-cup prophylaxis on tooth bleaching outcomes. The null hypothesis of this research was that there would be no difference in the change in according to the type of prophylaxis on tooth-bleaching outcomes.△L,△a,△b,△E and △SGU. The results of the study show that both rubber cup prophylaxis and APD devices can be equally used before bleaching treatment as there were no statistical differences in color change.
Bariatric patients represent a peculiar and frail subset of subjects, constantly increasing. During the novel coronavirus disease outbreak, for the lockdown of any non-urgent and non-oncological activity, the access to healthcare services was severely limited, according to the International Federation for the Surgery of Obesity and Metabolic Disorders.