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Albumin-bound paclitaxel (brand name Abraxane, also called nab-paclitaxel) is an alternative formulation where paclitaxel is bound to albumin nanoparticles. Much of the clinical toxicity of paclitaxel is associated with the solvent Cremophor EL in which it is dissolved for delivery. [19]
Protein-bound paclitaxel, also known as nanoparticle albumin–bound paclitaxel or nab-paclitaxel, is an injectable formulation of paclitaxel used to treat breast cancer, lung cancer and pancreatic cancer, among others. Paclitaxel kills cancer cells by preventing the normal breakdown of microtubules during cell division.
The bound portion may act as a reservoir or depot from which the drug is slowly released as the unbound form. Since the unbound form is being metabolized and/or excreted from the body, the bound fraction will be released in order to maintain equilibrium. Since albumin is alkalotic, acidic and neutral drugs will primarily bind to albumin.
Nanoparticle albumin-bound technology utilizes the protein albumin as a carrier for hydrophobic chemotherapy drugs through noncovalent binding. Because albumin is already a natural carrier of hydrophobic particles and is able to transcytose molecules bound to itself, albumin composed nanoparticles have become an effective strategy for the ...
The structure of paclitaxel, a widely used mitotic inhibitor.. A mitotic inhibitor, microtubule inhibitor, or tubulin inhibitor, is a drug that inhibits mitosis, or cell division, and is used in treating cancer, gout, and nail fungus.
It makes up about 55% of the body's total blood volume. [1] It is the intravascular part of extracellular fluid (all body fluid outside cells). It is mostly water (up to 95% by volume), and contains important dissolved proteins (6–8%; e.g., serum albumins , globulins , and fibrinogen ), [ 2 ] glucose , clotting factors , electrolytes ( Na +
Simple blood tests are also available for dose optimization of methotrexate, [32] 5-FU, paclitaxel, and docetaxel. [33] [34] The serum albumin level immediately prior to chemotherapy administration is an independent prognostic predictor of survival in various cancer types. [35]
In other cases, topical is defined as applied to a localized area of the body or to the surface of a body part regardless of the location of the effect. [4] [5] By this definition, topical administration also includes transdermal application, where the substance is administered onto the skin but is absorbed into the body to attain systemic ...