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Restrict the search for
angiotensin ii
to a specific field?
Status:
Investigational
Source:
NCT02019667: Phase 2 Interventional Completed Metabolic Disease
(2014)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
CGP-36742 (3-Aminopropyl-n-butyl-phosphinic acid) is one of the first GABAB receptor antagonists that can penetrate the blood-brain barrier after peripheral administration. Although its affinity for GABA B binding sites labeled with a tritiated agonist is modest, being in the low micromolar range, it displays significant pharmacological activity when administered either orally or parenterally. CGP 36742 was effective in the learned helplessness paradigm in rats, dose-dependently improving the escape failures induced by the inescapable shocks, suggesting that it may have an antidepressant profile. CGP36742 displays pronounced cognition enhancing effects in Rhesus monkeys in active and passive avoidance paradigms, in an eight-arm radial maze and a Morris water maze and in a social learning task. CGP36742 blocks the late inhibitory postsynaptic potential and the paired-pulse inhibition of population spikes recorded from CA1 pyramidal neurons of the hippocampus of rats in vitro and in vivo. CGP36742 significantly enhances the release of glutamate, aspartate, glycine and somatostatin in vivo. Chronic administration of CGP36742 causes an up-regulation of GABA(B) receptors in the frontal cortex of rats. The effects of CGP36742 on cognition were investigated in a double-blind, placebo-controlled study undertaken as the first assessment of the efficacy of CGP36742 in 110 patients age 59–85 years with Mild cognitive impairment. The results showed significant improvement in working memory, psychomotor speed and attention with SGS742 as compared with placebo. SGS742 appeared to be safe and well tolerated in this study.
Status:
Investigational
Source:
NCT00381394: Phase 2 Interventional Completed Leishmaniasis, Visceral
(2006)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Sitamaquine (WR-6026) is an orally active 8-aminoquinoline analog in development by the Walter Reed Army Institute, in collaboration with GlaxoSmithKline (formerly SmithKline Beecham), for the potential treatment of visceral leishmaniasis. Phase III trials for the treatment of visceral leishmaniasis had been initiated by March 2002, at which time GlaxoSmithKline hoped to file an MAA in 2003. By 1999, the compound had also undergone phase I trials in HIV-infected individuals for the treatment of Pneumocystis carinii infection. Preclinical studies have been conducted in primates and rodents for the potential treatment of Babesia microti infection.
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Ragaglitazar (DRF 2725, NNC 61-0029) is phenoxazine analog of phenyl propanoic acid having dual (PPARα and PPARγ) agonist property intended to restore insulin sensitivity and correct diabetic dyslipidemia. PPAR-α is highly expressed in liver and muscle and upon activation leads to decreases in plasma triglycerides and increases in HDL cholesterol levels. PPAR-γ activation leads to enhancement of glucose uptake in skeletal muscles and adipose tissue. Ragaglitazar provided the glycemic control that was comparable with that of pioglitazone and, compared with placebo, provided a significant improvement in the lipid profile.
Status:
Investigational
Source:
INN:tafluposide [INN]
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Tafluposide (also known as F 11782) is an epipodophyllotoxin derivative patented by Pierre Fabre Medicament as an antitumor agent. Tafluposide acts as a catalytic inhibitor of topoisomerases I and II, that capable of completely inhibiting the DNA-binding activity of topoisomerase. In preclinical models single or multiple i.p. doses of Tafluposide proves highly active against the s.c. grafted B16 melanoma, significantly increasing survival and inhibiting tumor growth. Tafluposide inhibits the number of pulmonary metastatic foci of the melanoma by 99%. In human tumor xenograft studies, multiple i.p. doses of Tafluposide results in major inhibitory activity against breast) tumors, as well as causing definite tumor regression. Significant activity was also recorded Tafluposide against the refractory lung xenografts.
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Nemorubicin, a doxorubicin derivative, is a DNA-intercalator, topoisomerase and RNA synthesis inhibitor that was undergoing development with Nerviano Medical Sciences (Nerviano MS; formerly Pharmacia Italia) for the treatment of solid tumours, specifically, the loco-regional treatment of primary liver tumours (hepatocellular carcinoma). The drug is active on tumors resistant to alkylating agents, topoisomerase II inhibitors and platinum derivatives. It works primarily through topoisomerase I inhibition. Of note, Nemorubicin is active in cells with upregulation of the nucleotide excision repair (NER) pathway, where current therapies fail.
Nemorubicin is biotransformed in the liver into cytotoxic metabolites that may further contribute to render this drug highly active against primary liver tumors or liver metastases. Clinical trials were conducted in Europe, US and China with Nemorubicin given at different dose-schedules and by different routes of administration: as single agent by systemic IV route, oral route and by intra-hepatic artery (IHA) infusion alone or in combination with cisplatin.
Status:
Investigational
Source:
NCT00531401: Phase 2 Interventional Completed Carcinoma, Non-Small-Cell Lung
(2007)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Salirasib or S-trans,trans-Farnesylthiosalicylic acid (FTS) is a salicylic acid derivative with potential antineoplastic activity. It acts as a potent competitive inhibitor of the enzyme prenylated protein methyltransferase (PPMTase), which methylates the carboxyl-terminal S-prenylcysteine in a large number of prenylated proteins including Ras. In such systems, Salirasib inhibits Ras methylation but not Ras farnesylation. Salirasib selectively disrupts the association of chronically active Ras proteins with the plasma membrane. Salirasib competes with Ras for binding to Ras-escort proteins, which possess putative farnesyl-binding domains and interact only with the activated form of Ras proteins, thereby promoting Ras nanoclusterization in the plasma membrane and robust signals. Salirasib was studied in the clinical trials in patients with solid tumors, however its development was discontinued.
Status:
Investigational
Source:
NCT00743925: Phase 2 Interventional Completed Acute Coronary Syndrome
(2008)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Varespladib (LY315920; A-001) is a potent and selective inhibitor of IIa, V, and X isoforms of human non-pancreatic secretory phospholipase A2 with nM IC50. The molecule acts as an anti-inflammatory agent by disrupting the first step of the arachidonic acid pathway of inflammation. Varespladib methyl is being developed by Anthera Pharmaceuticals Inc for the potential treatment of coronary artery disease, acute coronary syndrome and inflammation. Varespladib methyl is a prodrug that is rapidly metabolized to varespladib, and both compounds are able to potently inhibit the enzymes of the human secretory phospholipase groups. Phase II clinical trials of varespladib methyl in patients with coronary artery disease, rheumatoid arthritis, asthma and ulcerative colitis revealed that the drug was well tolerated. Varespladib methyl did not demonstrate a good efficacy profile in patients with rheumatoid arthritis, asthma and ulcerative colitis; whereas in patients with coronary artery disease, varespladib methyl consistently reduced LDL-cholesterol levels, (elevated LDL-cholesterol levels are a marker of increased cardiovascular risk). Varespladib methyl could represent a novel therapy for the treatment of cardiovascular disease, although the efficacy, safety profile and advantages of this drug compared with existing therapeutic options would need to be established in upcoming phase III trials.
Status:
Investigational
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Tecalcet (also known as KRN-568; NPS-R-568; R-568), is an oral calcium channel agonist potentially for the treatment of hyperparathyroidism. Calcimimetics, such as Tecalcet, are agonists and activate the calcium channel in a non-competitive fashion. Tecalcet does not compete directly with calcium that activates the receptor through binding in the extracellular domain of these receptors, but rather, calcimimetics such as Tecalcet, bind allosterically in the seven transmembranes to ‘sensitize’ the receptor to extracellular calcium. Tecalcet acts as an agonist of the calcium receptors of the parathyroid cells, causing a decrease in PTH release. Tecalcet also acts on the parafollicular cells (C-cells) of the thyroid gland, resulting in an increase in calcitonin release. These effects ultimately lead to a decrease in plasma calcium concentrations. Studies in rats have shown that oral administration of R-568 at doses ranging from 3 to 100 mg/kg caused a rapid (<30 minutes) decrease in plasma PTH concentrations and an increase in calcitonin concentrations, accompanied by a dose-dependent decrease in calcium concentrations. Tecalcet had been in phase II clinical trials by for the treatment of hyperparathyroidism, postmenopausal osteoporosis and rheumatic disorders in Japan and US. Development of Tecalcet has been discontinued.
Status:
Investigational
Source:
NCT01606384: Phase 2 Interventional Completed Major Depressive Disorder
(2006)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Nelivaptan is a selective, orally active, non-peptide vasopressin receptor antagonist selective for the V1B subtype. It showed promise in preclinical animal models and advanced to phase II clinical trials for the treatment of anxiety and depression; however, in 2008, Sanofi-Aventis announced that further development of this drug had been halted.
Status:
Investigational
Source:
NCT00803556: Phase 1 Interventional Completed Solid Tumor
(2006)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Alvespimycin (17-desmethoxy-17-N,N-dimethylaminoethylamino-geldanamycin) (17-DMAG; NSC 707545) is an inhibitor of the molecular chaperone heat shock protein HSP90. Alvespimycin is a derivative of antineoplastic benzoquinone antibiotic geldanamycin. Alvespimycin binds to HSP90, a chaperone protein that aids in the assembly, maturation and folding of proteins. Subsequently, the function of Hsp90 is inhibited, leading to the degradation and depletion of its client proteins such as kinases and transcription factors involved with cell cycle regulation and signal transduction. Alvespimycin was studied in clinical trials for the treatment of solid tumors and hematologic malignancies however its development was discontinued.
