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Antistasin, the first discovered naturally occurring direct Xa inhibitor Rivaroxaban, the first synthetic direct Xa inhibitor marketed as a drug Prior to the introduction of direct factor Xa inhibitors, vitamin K antagonists such as warfarin were the only oral anticoagulants for over 60 years, and together with heparin have been the main blood ...
In general, contraindications to antipsychotic switching are cases in which the risk of switching outweighs the potential benefit. Contraindications to antipsychotic switching include effective treatment of an acute psychotic episode, patients stable on a LAI antipsychotic with a history of poor adherence, and stable patients with a history of self-injurious behavior, violent behavior, or ...
Two hydrogen bonds are formed and serve an important role directing rivaroxaban into the S1 and S4 subsites. Due to these hydrogen bonds, rivaroxaban forms a L-shape and fits in the pockets. Chlorine substituent of the drug interacts with Tyr-228 in the S1 pocket which enables rivaroxaban to achieve good oral bioavailability and potency.
An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
Rivaroxaban bears a striking structural similarity to the antibiotic linezolid: both drugs share the same oxazolidinone-derived core structure. [39] Accordingly, rivaroxaban was studied for any possible antimicrobial effects and for the possibility of mitochondrial toxicity, which is a known complication of long-term linezolid use. [40]
Thrombin demonstrates a high level of allosteric regulation. [2] Allosterism in thrombin is regulated by the exosites 1 and 2 and the sodium binding site. A recent patent review has shown that the general consensus among researchers is that allosteric inhibitors may provide a more regulatable anticoagulant. [3]
Mechanism of class-switch recombination that allows isotype switching in activated B cells. Immunoglobulin class switching, also known as isotype switching, isotypic commutation or class-switch recombination (CSR), is a biological mechanism that changes a B cell's production of immunoglobulin from one type to another, such as from the isotype IgM to the isotype IgG. [1]
Heparin and its low-molecular-weight derivatives (e.g., enoxaparin, dalteparin, tinzaparin) are effective in preventing deep vein thromboses and pulmonary emboli in people at risk, [24] [25] but no evidence indicates any one is more effective than the other in preventing mortality. [26]