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

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Showing 31 - 40 of 47384 results


Class (Stereo):
CHEMICAL (ABSOLUTE)



Cedazuridine is a specific cytidine deaminase (CDA) inhibitor that was approved in combination with decitabine for the treatment of variable forms of myelodysplastic syndrome (MDS). It is known that decitabine is rapidly metabolized by CDA prior to reaching systemic circulation when administered orally. Thus, cedazuridine by inhibition of CDA increases systemic exposure of decitabine.
TUCATINIB (ONT-380 or ARRY-380) is an orally active, reversible and selective small-molecule HER2 inhibitor invented by Array and licensed to Cascadian Therapeutics (previously named Oncothyreon) for development, manufacturing and commercialization. HER2, a growth factor receptor that is over-expressed in multiple cancers, including breast, ovarian, and stomach cancer. HER2 mediates cell growth, differentiation and survival, and tumors that overexpress HER2 are more aggressive and historically have been associated with poorer overall survival compared with HER2-negative cancers. ONT-380 is highly active as a single agent and in combination with both chemotherapy and Herceptin® (trastuzumab) in xenograft models of HER2+ breast cancer, including models of CNS metastases that were refractory to Tykerb® (lapatinib) or neratinib treatment. In a Phase 1 single agent clinical study, ONT-380 administered orally twice a day was well tolerated and demonstrated anti-tumor activity in heavily pre-treated HER2+ breast cancer patients with metastatic disease. Based on the strength of these preclinical and clinical trials, ONT-380 is advancing in one Phase 2 and three Phase 1b combination trials in patients with metastatic breast cancer. A second study reported the CNS activity of ONT-380 in combination with either T-DM1 or trastuzumab or capecitabine. Patients with brain metastases assessable for response were included in the combined analysis. Responses and clinical benefit in the CNS were reported with the three combinations tested, supporting future development of the drug for this particular indication.

Class (Stereo):
CHEMICAL (ABSOLUTE)

Prostamedix is a 68Ga-labeled ligand of the prostate-specific membrane antigen (PSMA) for Prostate Cancer PET imaging. Because of the increased expression of PSMA in Prostate Cancer and its metastases, Prostamedix was reported to exhibit a favorable lesion-to-background ratio with high detection rates. Further studies evaluating Prostamedix showed substantially higher detection rates in patients with recurrent PC than reported for other imaging modalities, especially at low PSA values. The chelator HBED-CC (N,N'-bis-[2-hydroxy-5-(carboxyethyl)benzyl]ethylenediamine-N,N'-diacetic acid), represents a hitherto rarely used acyclic complexing agent especially allowing efficient radiolabelling with 68Ga even at ambient temperature. By combining HBED-CC with the PSMA inhibitor Glu-urea-Lys, a favorable aromatic part is introduced into the radiotracer which was found to be a necessary requirement for sustainable interaction with the PSMA receptor, putatively with the accessory hydrophobic pocket of the PSMA
Sodium artesunate, an artemisinin derivative, is used in malaria treatment. Artesunate, has been licensed in Thailand for the treatment of falciparum malaria since 1990. It is a potent antimalarial drug that can reduce parasitaemia by 90% within 24 h of administration. Sodium artesunate was first isolated in China, it is a water soluble antimalaria used clinically in China.
Lurbinectedin (PM-01183) - is a synthetic tetrahydropyrrolo [4, 3, 2-de]quinolin-8(1H)-one alkaloid analogue with potential antineoplastic activity. Lurbinectedin covalently binds to residues lying in the minor groove of DNA, which may result in delayed progression through S phase, cell cycle arrest in the G2/M phase and cell death. Lurbinectedin is a novel anticancer agent currently undergoing late-stage (Phase II /III) clinical evaluation in platinum-resistant ovarian, BRCA1/2-mutated breast and small-cell lung cancer. Lurbinectedin is structurally related to trabectedin and it inhibits active transcription and the DNA repair machinery in tumour cells.

Class (Stereo):
CHEMICAL (ACHIRAL)



Opicapone (Ongentys®), a potent, oral, third-generation, long-acting, peripheral catechol-O-methyltransferase (COMT) inhibitor, is approved as the adjunctive treatment to levodopa (L-Dopa)/dopa-decarboxylase inhibitor (DDCI) therapy in adults with Parkinson's disease (PD) and end-of-dose motor fluctuations who cannot be stabilized on those combinations. Opicapone is a hydrophilic 1,2,4-oxadiazole analog with a pyridine N-oxide at position 3, with these modifications enhancing its potency and extending its duration of action, whilst avoiding cell toxicity. In preclinical animal studies, Opicapone-induced inhibition of peripheral (but not central) COMT activity was associated with a prolonged increase in systemic and central exposure to L-Dopa, with a corresponding reduction in 3-OMD exposure. Following single or multiple doses of Opicapone (5–1200 mg) in healthy adult volunteers or patients with PD, Opicapone inhibited COMT activity in ex vivo erythrocyte assays in a reversible dose-dependent manner, with the duration of Opicapone-induced COMT inhibition independent of dose. Adjunctive Opicapone was generally well tolerated during more than a year of treatment in BIPARK I and BIPARK II (double-blind plus extension phases). The recommended dosage is 50 mg once daily, which should be taken at bedtime at least 1 h before or after L-Dopa combinations.
Bempedoic acid (also known as ETC-1002) is a novel investigational drug being developed for the treatment of dyslipidemia, hypercholesterolemia and other cardio-metabolic risk factors. The hypolipidemic, anti-atherosclerotic, anti-obesity, and glucose-lowering properties of ETC-1002, characterized in preclinical disease models, are believed to be due to dual inhibition of sterol and fatty acid synthesis and enhanced mitochondrial long-chain fatty acid β-oxidation. Investigations into the mechanism of action revealed that bempedoic acid-free acid activates AMP-activated protein kinase in a Ca(2+)/calmodulin-dependent kinase β-independent and liver kinase β-1-dependent manner, without detectable changes in adenylate energy charge. In the liver, bempedoic acid is also converted to a coenzyme A (CoA) derivative (ETC-1002-CoA )which directly inhibits ATP citrate lyase (ACL), a key enzyme that supplies a substrate for cholesterol and fatty acid synthesis in the liver. Inhibition of ACL by ETC-1002-CoA results in reduced cholesterol synthesis and upregulation of LDL receptor activity in the liver. This promotes the removal of LDL-C from the blood.
KX-01 is a dual inhibitor of Src kinase and tubulin polymerization. KX01 promotes the induction of p53, G2/M arrest of proliferating cell populations and subsequent apoptosis via the stimulation of Caspase-3 and PARP cleavage. The drug was developed by Kinex Pharmaceuticals and reached phase II of clinical trials for the treatment of Castration-Resistant Prostate Cancer and Actinic Keratosis. KX-01 demonstrated good in vitro pofile against different cancer cell lines with IC50 in nanomolar range.
Erdafitinib (JNJ-42756493) is a potent and selective orally bioavailable, pan fibroblast growth factor receptor (FGFR) inhibitor with potential antineoplastic activity. It was discovered in collaboration with Janssen Pharmaceutica, N.V. from a partnership which commenced in June 2008. Astex’s FGFr inhibitor program originated from a collaboration initiated in 2005 with the Cancer Research UK Drug Discovery Group at the Newcastle Cancer Centre (Newcastle University UK), and Cancer Research Technology Limited. JNJ42756493 is currently being evaluated by Janssen in Phase 2 clinical trials in patients with urothelial cancer, advanced hepatocellular carcinoma, advanced non-small lung cancer, esophageal cancer or cholangiocarcinoma. JNJ-42756493 is a potent, oral pan-FGFR tyrosine kinase inhibitor with half-maximal inhibitory concentration values in the low nanomolar range for all members of the FGFR family (FGFR1 to FGFR4), with minimal activity on vascular endothelial growth factor receptor (VEGFR) kinases compared with FGFR kinases (approximately 20-fold potency difference). In vitro, the proliferation of cells treated with JNJ-42756493 is decreased, associated with increased apoptotic death and decreased cell survival. It is also in phase I trials for the treatment of advanced refractory solid tumors or advanced refractory hematologic cancer.