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Discover 15,316 clinical trials near Massachusetts. Find research studies in your area.
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Showing 13281-13300 of 15,316 trials
NCT01329978
The purpose of this study is to assess the safety, tolerability, and efficacy of sofosbuvir (GS-7977; PSI-7977) administered in combination with pegylated interferon and ribavirin (PEG/RBV) in treatment-naive patients with HCV genotypes 1,4,5,6, or indeterminate genotype.
NCT01784016
This trial aims to determine whether dopamine D3 receptors are elevated in smokers versus nonsmokers and whether correlations exist between D3 receptor binding potential (BP) and functional MRI (fMRI) reactivity to smoking cues, which has been associated with smoking relapse vulnerability. Neuroimaging measures of D3 BP and smoking cue fMRI reactivity will be collected concurrently in otherwise healthy nicotine-dependent smokers and age-matched nonsmokers using a 3 Tesla MRI scanner configured to conduct fMRI and Positron Emission Tomography (PET). We will measure D3 receptor BP using radiolabeled \[11C\]-(+)-PHNO, which has a relatively higher affinity for D3 versus D2 receptors. We hypothesize that D3 BP will be elevated in smokers versus nonsmokers and that in smokers, there will be a positive correlation between smoking cue fMRI reactivity and D3 BP.
NCT00681863
The primary objective of this open-label, flexible dose study is to assess the safety and efficacy of pramipexole over a 24-week period in children and adolescents (age 6-17 years inclusive) diagnosed with Tourette Syndrome according to Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV) criteria and who have completed either Study 248.641 (NCT 00681863) or 248.644 (NCT 00558467).
NCT00093613
This phase I trial is studying the side effects and best dose of sorafenib in treating patients with recurrent or progressive malignant glioma. Sorafenib may stop the growth of tumor cells by stopping blood flow to the tumor and by blocking the enzymes necessary for their growth.
NCT01272453
This is a prospective, controlled observational trial of patients undergoing clinically indicated cardiothoracic computed tomography (CT), including pulmonary or aortic angiography and coronary CT angiography (CCTA).
NCT01916902
Subjects presenting with probable acute coronary syndromes scheduled for cardiac catheterization will be enrolled in this study. Consented subjects will be randomized to receive ticagrelor started with a loading dose immediately after enrollment versus receiving a loading dose of ticagrelor during cardiac catheterization after diagnostic angiography but prior to stenting. Optical coherence tomography (OCT) will be performed after stenting and the volume of thrombus within the new stent will be measured and compared between the groups.
NCT00175084
The aim of this study is to explore the significance of the Lys:Arg ratio on responses of lipids and lipoprotein concentrations to dietary proteins and to evaluate the effects of dietary Lys:Arg on cardiovascular disease risk factors and endothelial function.
NCT00004888
Phase II trial to study the effectiveness of combination chemotherapy with or without trastuzumab in treating women who have metastatic breast cancer. Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Monoclonal antibodies such as trastuzumab can locate tumor cells and either kill them or deliver tumor-killing substances to them without harming normal cells.
NCT00103259
This randomized phase II trial is studying bortezomib and irinotecan to see how well they work compared to bortezomib alone in treating patients with locally recurrent or metastatic squamous cell carcinoma of the head and neck. Bortezomib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as irinotecan, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Giving bortezomib together with irinotecan may kill more tumor cells. It is not yet known whether giving bortezomib together with irinotecan is more effective than bortezomib alone in treating head and neck cancer.
NCT01574612
To test the safety of Xerese (acyclovir and hydrocortisone)Cream 5%/1% for the treatment of recurrent cold sores in children ages 6-11yrs after 5 days of treatment.
NCT01288703
The objective of this pilot-study is to evaluate the feasibility and acceptability of PROMIS computerized-adaptive testing in women with urinary incontinence.
NCT01808105
To evaluate growth and tolerance of healthy term infants fed experimental infant formulas, a commercial infant formula and human breast milk.
NCT00382837
Epratuzumab is an investigational antibody designed to help treat SLE. The purpose is to evaluate safety and long term efficacy in concert with standard SLE treatments
NCT00425321
The primary objective of the study is to evaluate the safety and tolerability of 100, 200, and 300 mg/day doses of RWJ-445380 for up to 12 weeks in patients with active Rheumatoid Arthritis despite methotrexate therapy.
NCT00946920
A phase 3, open-label, parallel group, one year trial comparing the efficacy and safety of degarelix 3-month depot with the established therapy goserelin acetate 3-month implant in patients with prostate cancer.
NCT01142193
The purpose of this study is to examine the safety and effectiveness of USL255 as adjunctive therapy in patients with refractory partial onset-seizures.
NCT00256646
OBJECTIVES: Vascular Disease is the leading cause of complications and death in patients with diabetes. Risk markers and underlying mechanisms have not been fully elucidated, and may differ from those in non-diabetic individuals. The unifying theme for the Program Project is that hyperglycemia and insulin resistance alter a number of biological processes which interact in vicious cycles to accelerate atherogenesis and are consequently major underlying risk factors for vascular disease. The overall objectives are to define these unique processes and to elucidate underlying biochemical, metabolic, and genetic determinants of vascular disease complications in diabetes. RESEARCH PLAN: Over the past 4 years, we have collaborated with the DCCT/EDIC Study Group, and have made novel observations regarding vascular disease pathogenesis in Type 1 Diabetes. This work has focused our studies on specific pathogenic processes. We will now study a Type 2 Diabetes cohort from the VA Cooperative Study, "Glycemic Control and the Complications of Diabetes, Type 2", with high vascular disease event rates. These collaborations provide a unique opportunity to address the pathogenesis of accelerated atherogenesis in the two main types of diabetes, and will greatly augment the scientific knowledge that will be gained in the conduct of these world-class prospective trials. METHODS: The Program Project has 4 projects and 3 cores. Project 1 will assess lipoproteins, glycoxidative stress, and inflammation as risk factors in studies involving Type 2 Diabetes patients and cultured cell systems. Based on preliminary data from our initial studies Type 1 patients, changes in the NMR lipoprotein subclass profile will be emphasized. Project 2 will elucidate interactions between inflammation, modifications of lipoproteins, and autoimmunity in vascular disease risk. These novel concepts are also based upon exciting preliminary data pertaining to LDL-antibody complexes. Project 3 will pursue interesting preliminary data and define the role of the kallikrein-kinin system in vascular disease complications, with effects on mitogenesis and matrix production. Project 4 will assess the role of the Insulin Resistance Syndrome and novel factors secreted from adipocytes in the pathophysiology of biochemical risk factors and cardiovascular complications. Cores include an Administrative Core, a Biostatistics and Epidemiology Core which will link with the trials data coordinating centers, and Molecular and Statistical Genetics Core. Investigators will work in close collaboration with the VA Executive Committee, Study Centers, the Hines Coordinating Center, and some of the other ancillary studies. All data analysis involving clinical outcomes will be performed at the Hines Coordinating Center. There is true synergism among the projects at both scientific and logistical levels. The Program Project design allows for interactions among multidisciplinary investigators studying the same cohort, which will define how multiple pathological processes interact at the level of the arterial wall to promote atherosclerosis.
NCT00256633
TITLE: CSP 465-C, Fatty Acid Binding protein 2 (FABP2) ancillary proposal to CSP# 465 Glycemic Control and Complications in Diabetes Mellitus Type 2. Angeliki Georgopoulos, M.D. Carlos Abraira M.D. William Duckworth M.D. Fatty acid binding protein 2 (FABP2) is involved in the transport of long chain fatty acids across the intestinal epithelium. A common (40-45%) polymorphism of FABP2 gene (codon 54 Threonine for Alanine) results in increased intestinal fatty acid absorption and triglyceride secretion (Baier et al J Clin Invest 95:1281-87, 1995; Baier et al J Biol Chem 271: 10892-10896,1996). We have found (JCEM 85:3155-60, 2000) that in patients with type 2 diabetes, the codon 54 polymorphism of the FABP2 results in fasting and postprandial hypertriglyceridemia. Since hypertriglyceridemia is a risk factor for atherosclerosis in type 2 diabetes and it is part of the insulin resistance syndrome, the objective of this ancillary study would be to screen the participants of the CSP# 465 study for the polymorphism and assess a) whether those carrying the polymorphism respond differently to the various treatment modalities and b) whether they develop more cardiovascular events compared to the ones lacking the polymorphism. There is one study that suggests an association of the polymorphism with a history of parental stroke (JCEM 85:2801-4, 2000). The only additional request from the study participants will be to agree to the collection of a blood sample to be used for DNA isolation and screening for the polymorphism. No additional funds are requested. If this polymorphism proves to be a predictor of either the response to a specific treatment modality or of the risk to macro-vascular complications, it will be very easy to screen for it and target our treatment modalities appropriately.
NCT00471536
This phase II trial is studying the side effects and how well pazopanib works in treating patients with metastatic urothelial cancer. Pazopanib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth and by blocking blood flow to the tumor.
NCT00963053
The purpose of the study is to investigate how effective VA111913 is at preventing menstrual pain in women with primary dysmenorrhoea.
