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Filter by:Background: Some prostate cancer keeps growing even when testosterone in the body drops to very low levels. This is called castrate-resistant prostate cancer. One treatment is enzalutamide. This is a modern hormonal therapy. But it only works for a certain amount of time and then the cancer becomes resistant to it. Researchers want to see if adding the treatment CRLX101 (formerly IT-101) could make enzalutamide work again for people who have already had it. Objective: To test a new way of treating prostate cancer using CRLX101 plus enzalutamide in people with certain prostate cancer who already had enzalutamide treatment. Eligibility: Adults ages 18 years and older with metastatic, castration-resistant prostate cancer who have had enzalutamide treatment Design: Participants will be screened with a medical history and physical exam. They will have blood and urine tests. They will have a scan of the chest/abdomen/pelvis. They will have a bone scan. Participants will get treatment in cycles. A cycle lasts 28 days. They will take enzalutamide by mouth once a day. They will get CRLX101 through an intravenous (IV) every 1 or 2 weeks. Participants will repeat screening tests throughout the study. Participants will have a follow-up visit 3-4 weeks after they stop taking the study drug. They will repeat most screening tests and have an electrocardiogram.
The investigators will evaluate the benefit of a new bioresorbable screw for repair of anterior cruciate ligament over 3 years.
Background: Gastro-esophageal (GE) cancers are a highly aggressive disease and are one of the major causes of cancer-related death worldwide. In general, combination chemotherapy has been associated with better outcomes compared with single agent chemotherapy. Fluoropyrimidine doublets FOLFOX (infusional 5FU and oxaliplatin) or FOLFIRI (infusional 5FU and irinotecan) are some of the standard first-line regimens and are less toxic than the anthracycline containing three drug regimen. Although platinum compounds are very effective in GE cancers, patients who are treated with platinum-based therapy often develop severe neuropathy and may not be able to tolerate a salvage second-line paclitaxel-based therapy. Objectives: To evaluate progression free survival, time to progression, overall survival, toxicity and quality of life in previously untreated patients with metastatic GE cancers who will be treated with a novel biweekly regimen comprised of two cycles of FOLFOX alternating with two cycles of FOLFIRI. To determine the correlation between various clinical and pathological biomarkers including an early FDG-PET scan response and patient outcomes. Design: Phase 2 clinical trial Methods: Thirty-six adult patients with histologically proven HER2 negative metastatic adenocarcinomas or poorly differentiated GE cancers will be recruited at the two major cancer centers in Saskatchewan over a period of two years. Patients will receive chemotherapy every two weeks and will undergo periodic imaging studies every 8 weeks. A Cox proportional analysis will be performed to assess various clinical and pathologic factors including an early FDG-PET/CT response and their correlation with patient outcomes. Significance: The LOGIC study aims to develop an effective but potentially less toxic regimen in the management of metastatic GE cancers, offering the possibility of longer disease control as a result of 100% exposure to two active doublets in a first-line treatment setting with lower neurotoxicities and an improved rate of salvage second-line therapy. This study will inform the care of patients with metastatic GE cancers and will be used to design a larger phase 3 trial to establish a more effective but less toxic chemotherapy regimen for patients with metastatic GE cancer and to establish role of FDG-PET/CT scan and other biomarkers in predicting outcomes.
This study was conducted to advance new treatment for patients with metastatic or locally advanced cancers expressing Neurotensin receptor 1 (NTSR1). This study was the first time the investigational drug called 177Lu-3BP-227 was administered to patients under controlled conditions of a clinical study. The purpose of this study was to evaluate how safe the investigational drug is as well to verify how well it is tolerated by patients after several intravenous administrations. In addition, the effect of the study drug on tumoral lesions and how it distributes throughout the body and at which rate it is removed from the body was evaluated. Since 177Lu-3BP-227 is a radio-labelled drug, it also measured how the emitted radiation is distributed throughout the body (dosimetry). The study consisted of a phase I dose escalation part. The study originally planned to include a phase II study however due to early termination (not due to safety concerns) the study did not progress to phase II and was stopped during phase I. For the phase I dose escalation part, it was anticipated that approximately 30 subjects will be included, in up to six escalation steps. No expansion cohorts were implemented.
RATIONALE: Cardiac resynchronization therapy (CRT) is known to improve cardiac performance and to reduce morbidity and mortality in reduced-ejection fraction heart failure (HFrEF) despite optimal medical therapy (OMT). Several studies have shown that patients with with left bundle branch block (LBBB) respond favourably to CRT, whereas there is less certainty about non-LBBB morphology. Specifically, whether patients with right bundle branch block (RBBB) and HFrEF benefit from CRT is unclear. Some studies suggest lack of favourable outcomes. It follows from this that VVI implantable defibrillator are implanted in most RBBB patients.On the other hand right ventricular bifocal stimulation could be useful as an alternative approach in patient with RBBB. It consists of two endocardial leads implanted in right ventricle. The first lead is implanted in His bundle area, and the second lead is in the right ventricle apex. In this way bifocal pacing could decrease the inter- and intraventricular delays, thus improving left ventricular hemodynamics. However no specifically randomized studies are designed to date. PURPOSE: To demonstrate the superiority of right ventricular bifocal stimulation over placebo (VVI implantable defibrillator) in RBBB and HFrEF despite OMT. DESIGN Multicenter prospective randomized, double blind cross-over study. MASKING Investigator responsible for device programming is masked from having knowledge about clinical, functional, and echocardiographic data. On the other hand echocardiographist is masked from having knowledge about stimulation mode. Patients are masked from having knowledge about their clinical, functional, and device data. POPULATION At least fifty patients would be enrolled. The enrollment period should be one year. Study overall duration should be two years. ELIGIBILITY CRITERIA RBBB and HFrEF (left ventricular ejection fraction ≤35%) in sinus rhythm, in NYHA class II-III or ambulatory IV despite OMT. EXCLUSION CRITERIA -Refusal or withdrawal of informed consent.Renal failure (glomerular filtration rate ≤ 60 ml/min).Life expectancy < 12 months.Active neoplasm.Permanent atrial fibrillation.40 days following acute coronary syndrome.Atrio-ventricular block (from second degree AV block).Valvular heart disease with surgery indications. PROTOCOL Each patient undergoes baseline assessment. Pharmacological therapy, hospitalization,NYHA functional class, QRS complex informations, type of heart disease and comorbidities are collected. Quality of life (QOL) is defined by Minnesota Living with Heart Failure questionnaire. Functional capacity is assessed by 6MWT (optionally by cardiopulmonary exercise test). Trans-thoracic echocardiogram is performed, analyzing: left-ventricle diameters and volumes, left-ventricle ejection fraction (LVEF), left atrial diameter and area, TAPSE,valvulopathy,systolic pulmonary artery pressure. All patients undergo bifocal right ventricular resynchronization therapy: right atrial lead is implanted, whereas the first ventricular lead is placed in His bundle area, and the second ventricular lead in the right ventricle apex. Then the leads are connected to the respective channels of a CRT-D generator.After the implant, all devices are programmed in VVI mode. After the first 40±10 days (first f-up) patients are 1:1 randomized to VVI mode 40 beats/minute (placebo arm) or bifocal DDD-mode 60 beats/minute (with VV delay 0 msec and optimal AV delay). After six months (second f-up) a clinical and instrumental assessment equal to baseline is performed, as well as devices electrical parameters control. Then arms cross-over is performed (from VVI-mode to bifocal DDD-mode and vice versa). At 12 months (end of follow-up) an evaluation equal to that performed at 6 months is assessed. Echocardiographic data are unravelled to the investigator responsible for device programming. In this way the stimulation mode able to determine the best clinical improved (VVI or bifocal DDD mode) is programmed and the study closes. PRIMARY ENDPOINT The main assumption is that bifocal stimulation can increase of at least 20% the distance walked during 6MWT in respect of baseline and VVI-mode.The primary endpoint is the distance walked (expressed by meters) during 6MWT, as assessed at baseline, 6-months follow-up and 12 months follow up. Specifically changes in 6MWT observed during bifocal DDD-mode compared to baseline and to VVI mode would be significative if there is an increase of at least 20%. SECONDARY ENDPOINT Secondary endpoint is bifocal stimulation therapy response, defined by at least one of the following criteria, evaluated at baseline, 6-months follow-up and 12 months-follow-up in comparison to baseline and VVI mode: NYHA functional class improvement; changes in 6MWT, defined by an increase in distance walked major or equal to 30%; LVEF improvement major or equal to 25%;Left ventricular telesystolic volume reduction major or equal to 15%
Primary Objective: To determine the effect of venglustat on the rate of total kidney volume (TKV) growth (Stage 1) and estimated glomerular filtration rate (eGFR) decline in participants at risk of rapidly progressive Autosomal Dominant Polycystic Kidney Disease (ADPKD) (Stage 2). Secondary Objectives: - To determine the effect of venglustat on the rate of renal function decline (Stage 1) and on the rate of TKV growth (Stage 2). - To evaluate the pharmacokinetics (PK) of venglustat in ADPKD participants (Stages 1 and 2). - To determine the effect of venglustat on pain and fatigue, based on participant reported diary (Stages 1 and 2). - Safety/tolerability objectives: - To characterize the safety profile of venglustat (Stages 1 and 2). - To evaluate the effect of venglustat on mood using Beck Depression Inventory II (BDI-II) (Stages 1 and 2). - To evaluate the effect of venglustat on the lens by ophthalmological examination (Stages 1 and 2).
The goal of this study is to create a formal, quantitative methodology to determine what is the most beneficial dose of Central Nervous System (CNS) stimulant (Ritalin, methylphenidate) to improve cognitive and behavioral function of children diagnosed with Attention Deficit Hyperactivity Disorder (ADHD) individually. If successful, it will change the way in which the dose of CNS stimulant for treating ADHD is determined for children in need of therapeutic intervention. The project will be focused on developing the necessary methodology to analyze the children's data with the drift-decision model (DDM), and to develop the required technology, i.e., a computer game with which to measure cognitive/behavioral function and its validation with eye-tracking measurements.
The PETHEMA Spanish group treats patients with high-risk Philadelphia chromosome-negative ALL, aged 18 to 55 years, based on the MRD clearance as assessed by flow cytometry at a centralised evaluation centre. Patients with MRD < 0.1% (< 1×10-3) after induction and < 0.01% (< 1×10-4) after early consolidation are assigned to receive chemotherapy (late consolidation and maintenance). Early consolidation chemotherapy consists of three cycles including high doses of MTX, ARA-C and ASP, together with vincristine and dexamethasone. The same therapy is repeated in the late consolidation period if MRD after early consolidation is < 0.01% (< 1×10-4). Maintenance therapy is then administered for up to 2 years from the CR date. These patients do not receive allo-HSCT if they maintain adequate MRD clearance. Despite having adequate MRD clearance, a proportion of patients (around 25%) experience relapse, which makes other approaches necessary to try to decrease the relapse rate. Intensifying currently existing chemotherapy regimens is not likely to increase the cure rate and would likely significantly increase toxicity. The use of targeted immunotherapeutic agents such as blinatumomab, which has demonstrated efficacy and safety in patients with R/R ALL and in patients with ALL and MRD+, seems to be a promising option [30-33]. Therefore, it would be interesting to assess the potential efficacy of using blinatumomab in CR patients to reduce the MRD more frequently and more intensely during the early and late consolidation period. Our hypothesis is that blinatumomab will further reduce the level of MRD and this could lead to a decrease in the relapse rate in these patients. This trial will replace the third early consolidation cycle with a cycle of blinatumomab, and the same will be done in the late consolidation period. We hope that this strategy will increase the extent of the MRD response and prevent relapses. Moreover, and as a secondary objective, we will investigate the safety of blinatumomab administration after the administration of high-dose chemotherapy including MTX, ARA-C and ASP
This phase I/II trial studies the side effects of durvalumab, tremelimumab and hypofractionated radiation therapy in treating patients with head and neck squamous cell carcinoma that has come back (recurrent) or that has spread to other places in the body (metastatic). Immunotherapy with monoclonal antibodies, such as durvalumab and tremelimumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Hypofractionated radiation therapy delivers higher doses of radiation therapy over a shorter period of time and may kill more tumor cells and have fewer side effects. Giving durvalumab, tremelimumab, and hypofractionated radiation therapy may work better in treating patients with recurrent or metastatic head and neck squamous cell carcinoma.
The objective of this study is to evaluate the safety and efficacy of the SoundBite™ Crossing System - Coronary (SCS-C) in a subject population with chronic coronary artery disease including Chronic Total Occlusion (CTO).