U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 101 - 110 of 13408 results

Micafungin (trade name Mycamine) is an echinocandin antifungal drug. Micafungin, the active ingredient in Mycamine, inhibits the synthesis of 1,3-β-D-glucan, an essential component of fungal cell walls, which is not present in mammalian cells. Micafungin is indicated for the treatment of candidemia, acute disseminated candidiasis, Candida peritonitis, abscesses and esophageal candidiasis. Possible histamine-mediated symptoms have been reported with Mycamine, including rash, pruritus, facial swelling and vasodilatation.

Class (Stereo):
CHEMICAL (ACHIRAL)

Targets:


Deferasirox (marketed as Exjade, Desirox, Deferasirox) is an iron chelator. Its main use is to reduce chronic iron overload in patients who are receiving long term blood transfusions for conditions such as beta-thalassemia and other chronic anemias. It is the first oral medication approved for this purpose in the USA by FDA in November 2005. It is approved in the European Union by the European Medicines Agency (EMA) for children 6 years and older for chronic iron overload from repeated blood transfusions. Deferasirox is highly selective for iron as Fe3+. In approximately 1-year clinical trials of patients with transfusional chronic iron overload associated with beta-thalassaemia, sickle cell disease, myelodysplastic syndrome or other rare chronic anaemias, deferasiroxhad a beneficial effect on liver iron concentrations (LIC) and serum ferritin levels. Deferasirox can cause acute renal failure, fatal in some patients and requiring dialysis in others. It was showed that most fatalities occurred in patients with multiple comorbidities in advanced stages of their hematological disorders.
Sorafenib (BAY 43-9006), marketed as Nexavar by Bayer, is a drug approved for the treatment of advanced renal cell carcinoma (primary kidney cancer, hepatocellular carcinoma and for the treatment of patients with locally recurrent or metastatic, progressive, differentiated thyroid carcinoma (DTC) that is refractory to radioactive iodine treatment. It has also received "Fast Track" designation by the FDA for the treatment of advanced hepatocellular carcinoma (primary liver cancer), and has since performed well in Phase III trials. Sorafenib was shown to interact with multiple intracellular (CRAF, BRAF and mutant BRAF) and cell surface kinases (KIT, FLT- 3, VEGFR- 2, VEGFR- 3, and PDGFR- ß). Several of these kinases are thought to be involved in angiogenesis. Thus, sorafenib may inhibit tumor growth by a dual mechanism, acting either directly on the tumor (through inhibition of Raf and Kit signaling) and/or on tumor angiogenesis (through inhibition of VEGFR and PDGFR signaling). Sorafenib inhibited tumor growth of the murine renal cell carcinoma, RENCA, and several other human tumor xenografts in athymic mice. A reduction in tumor angiogenesis was seen in some tumor xenograft models.
Tipranavir (PNU-140690, trade mark APTIVUS) is a potent, orally bioavailable nonpeptidic HIV protease inhibitor of the 5,6-dihydro-4-hydroxy-2-pyrone sulfonamide class. Tipranavir has potent in vitro activity against a variety of HIV-1 laboratory strains and clinical isolates, including those resistant to ritonavir, as well as HIV-2. The drug is launched in several countries, including the US and in the EU. APTIVUS, co-administered with ritonavir, is indicated for combination antiretroviral treatment of HIV-1 infected patients who are treatment-experienced and infected with HIV-1 strains resistant to more than one protease inhibitor.

Class (Stereo):
CHEMICAL (ABSOLUTE)


Conditions:

Ramelteon was approved by the United States (U.S.) in July 2005, and the Japanese Ministry of Health, Labour and Welfare in April 2010. It is currently available in the USA and Japan as ROZEREM and is indicated for the treatment of insomnia characterized by difficulty with sleep onset. In October 7, 2011, Takeda has decided to discontinue the development of ramelteon in Europe for the treatment of insomnia in order to best optimize Takeda’s resources for its research and development activities. Ramelteon is a melatonin receptor agonist with both high affinity for melatonin MT1 and MT2 receptors and selectivity over the MT3 receptor. Ramelteon demonstrates full agonist activity in vitro in cells expressing human MT1 or MT2 receptors, and high selectivity for human MT1 and MT2 receptors compared to the MT3 receptor. The activity of ramelteon at the MT1 and MT2 receptors is believed to contribute to its sleep-promoting properties since these receptors are acted upon by endogenous melatonin and are thought to be involved in the maintenance of the circadian rhythm underlying normal sleep-wake cycles. Ramelteon has no appreciable affinity for the GABA receptor complex or for receptors that bind neuropeptides, cytokines, serotonin, dopamine, noradrenaline, acetylcholine, and opiates.

Class (Stereo):
CHEMICAL (ABSOLUTE)

Targets:


Arranon is a nucleoside metabolic inhibitor indicated for the treatment of patients with T-cell acute lymphoblastic leukemia and T-cell lymphoblastic lymphoma. It is a purine nucleoside analog converted to its corresponding arabinosylguanine nucleotide triphosphate (araGTP), resulting in inhibition of DNA synthesis and cytotoxicity. Administration of nelarabine in combination with adenosine deaminase inhibitors, such 195 as pentostatin, is not recommended. The most common (≥20%) adverse reactions were: anemia, thrombocytopenia, neutropenia, nausea, diarrhea, vomiting, constipation, fatigue, pyrexia, cough, and dyspnea
Clofarabine is a anti-cancer drug which was approved by FDA for the treatment of pediatric patients with relapsed or refractory acute lymphoblastic leukemia. After crossing the cell membrane the drug is rapidly metabolized by deoxycytidine kinase to diphosphate and triphosphate metabolites and these metabolites reversibly inhibit hRNR by binding to alpha subunit. Also the triphosphate is incorporated to DNA where it acts as a chain terminator.
Azacitidine (Vidaza; Pharmion), an inhibitor of DNA methylation, was approved by the US FDA for the treatment of myelodysplastic syndromes in May 2004. It is the first drug to be approved by the FDA for treating this rare family of bone-marrow disorders, and has been given orphan-drug status. It is also a pioneering example of an agent that targets 'epigenetic' gene silencing, a mechanism that is exploited by cancer cells to inhibit the expression of genes that counteract the malignant phenotype. VIDAZA is used for the treatment of patients with the following FAB myelodysplastic syndrome (MDS) subtypes: Refractory anemia (RA) or refractory anemia with ringed sideroblasts (RARS), refractory anemia with excess blasts (RAEB), refractory anemia with excess blasts in transformation (RAEB-T), and chronic myelomonocytic leukemia (CMMoL). Azacitidine is a pyrimidine nucleoside analog of cytidine. It is believed to exert its antineoplastic effects by causing hypomethylation of DNA and direct cytotoxicity on abnormal hematopoietic cells in the bone marrow. The concentration of azacitidine required for maximum inhibition of DNA methylation in vitro does not cause major suppression of DNA synthesis. Hypomethylation may restore normal function to genes that are critical for differentiation and proliferation. As azacitidine is a ribonucleoside, it incorporates into RNA to a larger extent than into DNA. The incorporation into RNA leads to the dissemble of polyribosomes, defective methylation and acceptor function of transfer RNA, and inhibition of the production of protein. Its incorporation into DNA leads to a covalent binding with DNA methyltransferases, which prevents DNA synthesis and subsequent cytotoxicity. The cytotoxic effects of azacitidine cause the death of rapidly dividing cells, including cancer cells that are no longer responsive to normal growth control mechanisms. Non-proliferating cells are relatively insensitive to azacitidine.
Status:
First approved in 2004

Class (Stereo):
CHEMICAL (ACHIRAL)



Trospium is an antispasmodic, antimuscarinic agent indicated for the treatment of overactive bladder with symptoms of urge urinary incontinence, urgency, and urinary frequency. Receptor assays showed that trospium has negligible affinity for nicotinic receptors as compared to muscarinic receptors at concentrations obtained from therapeutic doses. Trospium antagonizes the effect of acetylcholine on muscarinic receptors in cholinergically innervated organs. Its parasympatholytic action reduces the tonus of smooth muscle in the bladder. Trospium is marketed under the brand name Sancturain the US, Tropez OD in India,Trosec in Canada, Regurin and Flotros in the United Kingdom and Spasmex in Germany, Russia, Turkey, Argentina, Chile and Israel.
Duloxetine (brand names Cymbalta, Yentreve, and in parts of Europe, Xeristar or Ariclaim) is indicated for the acute and maintenance treatment of major depressive disorder (MDD), as well as acute management of generalized anxiety disorder. Also used for the management of neuropathic pain associated with diabetic peripheral neuropathy, and fibromyalgia. Has been used in the management of moderate to severe stress urinary incontinence (SUI) in women. It is manufactured and marketed by Eli Lilly and Company. Duloxetine has not yet been FDA approved for stress urinary incontinence or for fibromyalgia. Duloxetine is a selective SNRI (selective serotonin-norepinephrine reuptake inhibitor). Duloxetine is a systemic drug therapy which affects the body as a whole. Known also under the code name LY248686, it is a potent dual reuptake inhibitor of serotonin (5-hydroxytryptamine, 5-HT) and norepinephrine (NE), possessing comparable affinities in binding to NE- and 5-HT transporter sites. It is a less potent inhibitor of dopamine reuptake.