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Filter by:The incidence of community-associated (CA) staphylococcal infections, especially those caused by methicillin-resistant Staphylococcus aureus (MRSA), has increased dramatically in recent years. Although the majority of these infections are limited to the skin and soft tissue and thus not life threatening, the number of invasive cases in otherwise healthy individuals is increasing and some are fatal. As a first step toward understanding pathogenesis, there has been significant focus on elucidating the key CA-MRSA virulence factors. The relative significance of these factors is still being delineated. By comparison, there has been little focus on host factors associated with these invasive infections. In this protocol, we will recruit 100 otherwise healthy subjects with invasive staphylococcal infection, 50 otherwise healthy subjects with recurrent staphylococcal infections, and obtain samples from 150 unidentified healthy controls from the blood bank to investigate host immunologic factors predisposing people to staphylococcal infection. Subjects will receive standard of care treatment for acute or recurrent staphylococcal infections. The primary objective of this research is to identify host genetic factors that contribute to susceptibility or severity of community acquired staphylococcal diseases. We will use three experimental approaches to complete this objective: 1) expression microarray analyses of study population s (subjects and controls) white cells (neutrophils and peripheral blood mononuclear cells) at rest and stimulated with staphylococci, 2) evaluation of toll-like receptor (TLR) pathways in the study population s cells, and 3) evaluation of Th17 cells. The proposed research will address a key area of staphylococcal pathogenesis for which there is a striking lack of information. We fully anticipate that the research also will provide critical new information directly relevant to vaccine, diagnostics, and therapeutics development.
The purpose of this study is to determine the false negative rate (FNR) associated with Lymphoseek-identified sentinel lymph nodes (SLNs) relative to the pathological status of non-sentinel lymph nodes in elective neck dissection (END) in head & neck squamous cell carcinoma (HNSCC). NEO3-06 (this study) is a Phase 3 clinical trial designed to supplement NEO3-05, a completed Phase 3 clinical trial conducted in patients with breast cancer or melanoma. NEO3-05 was designed to establish Lymphoseek as an effective radio-diagnostic agent to be used in the intraoperative localization of lymph tissue (nodes) in the lymphatic pathway draining the primary site of a tumor.
RATIONALE: Sunitinib malate 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. PURPOSE: This phase II trial is studying how well sunitinib malate works after stereotactic radiosurgery in treating patients with newly diagnosed brain metastases.
RATIONALE: Gathering information over time from women undergoing chemotherapy for breast cancer may help doctors learn more about mental and physical fatigue caused by treatment. PURPOSE: This clinical trial is studying fatigue caused by chemotherapy in women who have undergone surgery for stage I, stage II, or stage III breast cancer and in healthy volunteers.
The objectives of this study are to collect post-market confirmatory evidence of the safety and effectiveness of the Bard® LifeStent® Vascular Stent System and LifeStent® XL Vascular Stent System (together the "LifeStent® Vascular Stent System").
This study of SCH 900776 (MK-8776) will evaluate its safety and tolerability when given in combination with cytarabine to participants with acute leukemias. Participants in the Dose-Escalation Part will be enrolled in cohorts that will receive sequentially higher doses of MK-8776 in combination with standard doses of cytarabine. Only one combination treatment cycle of approximately 4 to 6 weeks is anticipated, but participants may receive additional cycles if clinically indicated after discussion between the Investigator and the Sponsor. The recommended combination doses for a Phase 2 trial (RP2D) will be determined based on safety and biological activity. Up to 10 to 15 additional participants will be studied at the combination RP2D.
The purpose of this research study is to learn about the efficacy of a medication called varenicline (Chantix) in treating ADHD in adults and in reducing cigarette smoking in adults with ADHD. The investigators hypothesize that ADHD symptomatology in adults with ADHD will be improved with varenicline treatment. The investigators also hypothesize that varenicline treatment will result in significant reductions in cigarette smoking. Another objective of this study is to more fully evaluate the response and tolerability to varenicline in this group of cigarette smoking adults with ADHD.
This phase I trial is studying the side effects and best dose of sunitinib when given together with cetuximab and radiation therapy in treating patients with locally advanced or recurrent squamous cell carcinoma of the head and neck. Sunitinib 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. Monoclonal antibodies, such as cetuximab, can block tumor growth in different ways. Some block the ability of tumor cells to grow and spread. Others find tumor cells and help kill them or carry tumor-killing substances to them. Radiation therapy uses high-energy x-rays to kill tumor cells. Giving sunitinib together with cetuximab and radiation therapy may kill more tumor cells.
This is a Phase I/IIa open, uncontrolled, prospective study, to be conducted in an out-patient setting. The present study is one of two clinical trials of the RNActive®-derived vaccine CV9103 being conducted concurrently in the US and Europe, which represent the first clinical trials conducted for this novel vaccine. The Phase I part of the study consists of a staggered inclusion of subjects in two cohorts of 3, to confirm the safety of the intended dose (320 µg RNA per antigen), with a lower dose to be considered in case of dose-limiting toxicity (DLT) being reported in greater than or equal to 2 out of 3-6 subjects; in this way, the recommended dose (RD) for the Phase IIa part of the study will be established. In the Phase IIa part of the study, additional subjects will be included at the RD, to confirm the safety and explore the activity of that dose.
Patients with acute lymphoblastic leukemia and positivity for the breakpoint cluster region-Abelson murine leukemia (BCR-ABL) protein or the Philadelphia chromosome have a poor prognosis with standard chemotherapy. The prognosis seemed to improve following the adition of imatinibe, a BCR-ABL inhibitor, to the treatment but still a substantial amount of patients relapse or progress during treatment. Nilotinib is a BCR-ABL inhibitor more potent than imatinib. It has been shown to be effective against most of the cells that bear mutations of the BCR-ABL protein leading to resistance to imatinibe. The investigators' hypothesis is that the addition of nilotinib to a standard chemotherapy for acute lymphoblastic leukemia (ALL) will translate into more rapid BCR-ABL reduction and effectiveness against imatinib-resistant clones leading to less relapses and better survival.