نتایج جستجو برای: samarium 153
تعداد نتایج: 12920 فیلتر نتایج به سال:
Metastatic castration-resistant prostate cancer (mCRPC) frequently metastasizes to the bone, often resulting in painful skeletal events, reduced quality of life, and reduced survival. The beta-emitting radiopharmaceuticals strontium-89 and samarium-153 alleviated pain in mCRPC patients with widespread skeletal metastases and have been associated with myelotoxicity. Radium-223, a first-in-class ...
The purpose of this study is to evaluate the in vitro and in vivo performance of gastro-retentive matrix tablets having Metformin HCl as model drug and combination of natural polymers. A total of 16 formulations were prepared by a wet granulation method using xanthan, tamarind seed powder, tamarind kernel powder and salep as the gel-forming agents and sodium bicarbonate as a gas-forming agent. ...
INTRODUCTION Bone metastases affect the majority of patients with castration-resistant prostate cancer (CRPC), resulting in significant morbidity and mortality. This review describes the current therapies available for the management of CRPC patients with bone metastases. Areas covered: Studies on the use of currently available therapeutic approaches for palliating pain, delaying skeletal-relat...
Bone pain from metastatic disease is most common in cancers of the breast, prostate, and lung. Despite the World Health organization algorithm for treating such pain, the outcomes are not often satisfactory. In 2005, there will be 3 radiopharmaceuticals available in the United States that can reduce or relieve bone pain caused by osteoblastic metastases with apparently equal efficacy. Phosphoru...
The mixed-metal rare-earth polyphosphate LiSm(PO(3))(4) consists of a three-dimensional framework in which zigzag [(PO(3))(n)](n-) chains with a periodicity of four PO(4) tetrahedra are connected through Li(+) and Sm(3+) ions (both with 2. symmetry).
Limits are imposed upon the possible rate of change of extra spatial dimensions in Kaluza-Klein and superstring theories by considering the consequences of such changes for primordial nucleosynthesis and the positioning of nuclear resonance levels in samarium, carbon, and oxygen. Previous limits from nucleosynthesis had not included strong-interaction effects. The strongest limits constrain the...
Various single or multi-modality therapeutic options are available to treat pain of bone metastasis in patients with prostate cancer. Different radionuclides that emit β-rays such as (153)Samarium and (89)Strontium and achieve palliation are commercially available. In contrast to β-emitters, (223)Radium as a α-emitter has a short path-length. The advantage of the α-emitter is thus a highly loca...
Cyclic hydrazones are efficient ketyl radical acceptors in reductive coupling cyclizations mediated by samarium diiodide, affording cyclic amino alcohols with controlled stereochemistry at the new aminated stereocenter. This approach has been successfully applied to the stereoselective synthesis of a fully functionalized trehazolin cyclitol starting from D-glucose, where the required cyclic hyd...
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