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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 1,063 records · Page 59
All sourcesNASA NTRSDOE OSTI
DOE OSTI2013

Discovery of 4-(5-(Cyclopropylcarbamoyl)-2-methylphenylamino)-5-methyl-N-propylpyrrolo[1,2-f][1,2,4]triazine-6-carboxamide (BMS-582949), a Clinical p38[alpha] MAP Kinase Inhibitor for the Treatment of Inflammatory Diseases

The discovery and characterization of 7k (BMS-582949), a highly selective p38{alpha} MAP kinase inhibitor that is currently in phase II clinical trials for the treatment of rheumatoid arthritis, is described. A key to the discovery was the rational substitution of N-cyclopropyl for N-methoxy in 1a, a previously reported clinical candidate p38{alpha} inhibitor. Unlike alkyl and other cycloalkyls, the sp{sup 2} character of the cyclopropyl group can confer improved H-bonding characteristics to the directly substituted amide NH. Inhibitor 7k is slightly less active than 1a in the p38{alpha} enzymatic assay but displays a superior pharmacokinetic profile and, as such, was more effective in both the acute murine model of inflammation and pseudoestablished rat AA model. The binding mode of 7k with p38{alpha} was confirmed by X-ray crystallographic analysis.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2013

Current Status of Interventional Radiology Treatment of Infrapopliteal Arterial Disease

Treatment of infrapopliteal arteries has developed to a standard technique during the past two decades. With the introduction of innovative devices, a variety of techniques has been created and is still under investigation. Treatment options range from plain balloon angioplasty (POBA), all sorts of stent applications, such as bare metal, balloon expanding, self-expanding, coated and drug-eluting stents, and bio-absorbable stents, to latest developments, such as drug-eluting balloons. Regarding the scientific background, several prospective, randomized studies with relevant numbers of patients have been (or will be) published that are Level I evidence. In contrast to older studies, which primarily were based mostly on numeric parameters, such as diameters or residual stenoses, more recent study concepts focus increasingly on clinical features, such as amputation rate improvement or changes of clinical stages and quality of life standards. Although it is still not decided, which of the individual techniques might be the best one, we can definitely conclude that whatever treatment of infrapopliteal arteries will be used it is of substantial benefit for the patient. Therefore, the goal of this review is to give an overview about the current developments and techniques for the treatment of infrapopliteal arteries, to present clinical and technical results, to weigh individual techniques, and to discuss the recent developments.

62 RADIOLOGY AND NUCLEAR MEDICINE↗
DOE OSTI2017

Review of the Clinical Evidence for the Use of DEBIRI in the Treatment of Colorectal Metastatic Disease

Colorectal cancer is a common malignancy that most commonly metastasizes to the liver. There has been considerable effort in developing new treatment options for these patients. One method that has been developed for the treatment of colorectal metastases to the liver is irinotecan-loaded drug-eluting bead (DEBIRI) embolization. This article reviews the current literature on DEBIRI and discusses the state of current knowledge and possible areas of future investigation.

62 RADIOLOGY AND NUCLEAR MEDICINE↗
DOE OSTI2019

Cardiac Computed Tomography (CT) Evaluation of Valvular Heart Disease in Transcatheter Interventions

Purpose of Review: To establish the actual role of CT in the growing field of transcatheter valve interventions (THV). Recent Findings: The development of empirical CT measurements, which are linked with outcomes. Summary: CT is a reliable technique for assessing risk and planning transcatheter valve interventions for mitral and aortic valves. Pulmonic and tricuspid valve assessment with CT imaging is still in the early stages but there is room for development.

62 RADIOLOGY AND NUCLEAR MEDICINE↗
DOE OSTI2019

The need for standardization of nuclear cardiology reporting and data system (NCAD-RADS): Learning from coronary artery disease (CAD), breast imaging (BI), liver imaging (LI), and prostate imaging (PI) RADS

Newer structured reporting manners, the reporting and data system (RADS), have made vast steps in improving standardized and structured reporting, allowing better communication between radiologists and referring providers. This has been implemented in several fields: breast (BI-RADS), lung (Lung-RADS), liver (LI-RADS), thyroid (TI-RADS), prostate (PI-RADS), and in cardiovascular radiology (CAD-RADS). The field of nuclear cardiology began its efforts of standardization years ago; however, a widespread standardized reporting structure has not yet been adopted. Such an approach in nuclear cardiology, the nuclear cardiology reporting and data system (NCAD-RADS), will assist radiologists and treating clinicians in conveying and understanding reports and determining the appropriate next steps in management. By linking explicit findings to defined recommendations, patients will receive more consistent and appropriate care.

62 RADIOLOGY AND NUCLEAR MEDICINE↗