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

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Showing 2351 - 2360 of 2675 results

Status:
Investigational
Source:
NCT02279602: Phase 2 Interventional Completed Neuroendocrine Tumors
(2014)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Targets:


Fosbretabulin (Combretastatin A4 phosphate, CA4P) is the lead compound of a relatively new class of agents termed vascular disrupting agents that target existing tumor blood vessels. Rapid tumor blood flow shutdown has been demonstrated in preclinical models and patients by various techniques such as dynamic contrast-enhanced MRI, perfusion computed tomography and PET scans following CA4P infusion. CA4P typically induces rapid tumor necrosis in the center of the tumor and leaves a rim of viable cells in the periphery. In oncology, CA4P does not appear to be that active by itself, but may be more efficacious when combined with chemotherapy, antiangiogenic therapy and radiation therapy. Combretastatin was initially isolated from the root bark of the South African Bush willow Combretum caffrum in 1982 by Pettit and colleagues at the Arizona State University (AZ, USA). Combretastatin A4 phosphate binds avidly to tubulin at the colchicine-binding site to inhibit microtubule assembly and destabilize the cytoskeleton. CA4P is a tubulin-binding agent that binds at or near the colchicine binding site of β-tubulin (Kd = 0.40 uM), inhibits tubulin assembly with IC50 of 2.4 uM. Fosbretabulin has orphan drug status in the EU and the US for the treatment of ATC (Anaplastic Thyroid Cancer). Later the development of this drug was discontinued.
Status:
Investigational
Source:
NCT00230074: Phase 2 Interventional Completed Amyotrophic Lateral Sclerosis
(2004)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Omigapil (CGP 3466 or TCH346) is a structurally related analog of R-(-)-deprenyl that exhibits virtually no monoamine oxidase type B inhibiting activity but is neuroprotective in the picomolar concentration range. It binds to glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and at subnanomolar concentrations prevent the S-nitrosylation of GAPDH, inhibit GAPDH-Siah binding and prevent the nuclear translocation of GAPDH. Omigapil demonstrated promising potential in the treatment of Parkinson's disease and motoneuron disease in animal models, however, it did not show efficacy in clinical trials. Omigapil is in development for the treatment of congenital muscular dystrophy.
Status:
Investigational
Source:
INN:fosopamine
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Epinine or deoxyepinephrine is an active form of Ibopamine, which is used as a cardiovascular agent in congestive heart failure. Epinine is a stimulant of alpha-adrenoceptor activities: alpha-1 and alpha-2. Experiments on pig’s eyes have shown that epinine can be a promising candidate substance for intraoperative (e.g., cataract surgery) intracameral use in humans.
Status:
Investigational
Source:
NCT00214643: Phase 3 Interventional Completed Malaria
(2005)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Fosmidomycin (3-(formylhydroxyamino)-propylphosphonic acid mono-sodium salt, 3-(N-formyl-N-hydroxyamino)-propylphosphonic acid mono-sodium salt, FR-31564) is a potent inhibitor of P. falciparum 1-deoxy-D-xylulose-5-phosphate reductoisomerase (PfDXR), developed by Albert Schweitzer Hospital for P. falciparum malaria treatment. Fosmidomycin was originally isolated as natural antibiotic from Streptomyces lavendulae. Fosmidomycin is active against a broad range of enterobacteria, but not against Gram-positive organisms or anaerobes. Fosmidomycin was developed as far as an early phase II study for the treatment of urinary tract infections by Fujisawa Pharmaceutical Company (Osaka, Japan) in the early eighties, but these trials have been discontinued. In recent clinical studies, it was shown that fosmidomycin is effective in curing uncomplicated Plasmodium falciparum malaria in humans. The treatment was well tolerated and resulted in a fast parasite and fever clearance. However, the high rate of recrudescence precludes the use of fosmidomycin as a monotherapy. In drug combination studies, the synergy of fosmidomycin with clindamycin was observed. Clinical studies with a fosmidomycin-clindamycin combination are currently ongoing.
Status:
Investigational
Source:
NCT00363454: Phase 1 Interventional Completed Cancer
(2006)
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Triciribine is a purine analogue which inhibits DNA and protein synthesis, it is a synthetic tricyclic nucleoside which acts as a specific inhibitor of the Akt signaling pathway. It selectively inhibits the phosphorylation and activation of Akt1, -2 and -3 but does not inhibit Akt kinase activity nor known upstream Akt activators such as PI 3-Kinase and PDK1. It inhibits cell growth and induces apoptosis preferentially in cells that express aberrant Akt1. In whole cells triciribine is phosphorylated by adenosine kinase which may be necessary for its activity. Triciribine is a cancer drug which was first synthesised in the 1970s and trialled clinically in the 1980s and 1990s without success. Following the discovery in the early 2000s that the drug would be effective against tumours with hyperactivated Akt, it is now again under consideration in a variety of cancers. As PTX-200, the drug is currently in two early stage clinical trials in breast cancer and ovarian cancer being conducted by the small molecule drug development company Prescient Therapeutics.
Status:
Investigational
Source:
INN:enazadrem [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Enazadrem (CP-70490-09) is an antipsoriatic agent inhibiting arachidonate 5-lipoxygenase.
Status:
Investigational
Source:
INN:rosaramicin
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Rosamaricin is a macrolide antibiotic similar to erythromycin. This compound is more effective against Gram-negative bacteria than erythromycin, especially in the prostate where rosamaricin was shown to be more concentrated than erythromycin in dogs. Rosamaricin has antibiotic activity against Neisseria gonorrhoeae, Chlamydia trachomatis, Ureaplasma urealyticum and Mycoplasma hominis. When the drug was compared with penicillin G in the treatment of pneumococcal meningitis in rabbits it was found to be less effective than penicillin G, as measured by bacterial clearance from cerebrospinal fluid and by treatment outcome. No information on the current use of this compound is available.
Status:
Investigational
Source:
INN:ristianol [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Ristianol (Ristianol phosphate) is a bioactive chemical that is registered as an anti-inflammatory agent and immunoregulator (in Europe), but no further information is available.
Status:
Investigational
Source:
INN:megalomicin
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Megalomicin is a Micromonospora-produced macrolide antibiotic complex. Megalomicin A component was studied most extensively. It inhibited the ATP-dependent acidification of lysosomes and intra-Golgi transport in vitro. Megalomicin induces a powerful inhibitory effect on HIV-1 replication at nontoxic concentrations by preventing the processing of HIV-1 gp160 envelope protein and the subsequent formation of infectious viral particles.
Status:
Investigational
Source:
J Antimicrob Chemother. Nov 2023;78(11):2702-2714.: Not Applicable Human clinical trial Completed Leishmaniasis, Visceral
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Phosphorylcholine (ChoP) is a small zwitterionic amino alcohol, which is composed of a negatively charged phosphate bonded to a small, positively charged choline group. Phosphorylcholine is the precursor metabolite of choline in the glycine, serine, and threonine metabolism pathways and in intermediate between choline and cytidine-diphosphate choline in the glycerophospholipid metabolism pathway. Phosphorylcholine is an interesting compound from an immunologic point of view, being an immunodominant determinant of pneumococcal teichoic acids and also a major prerequisite for proinflammatory effects of PAF and PAF-like lipids where PC is a common denominator. PC is also a component of some bacteria, apoptotic cells, and OxLDL, which, if exposed, is immunogenic. PC has several properties that could in principle both promote and protect against disease, depending on the pathogen and type of inflammatory reaction. In the field of interventional cardiology, phosphorylcholine is used as a synthetic polymer-based coating, applied to drug-eluting stents, to prevent the occurrence of coronary artery restenosis. To date, more than 120,000 Phosphorylcholine-coated stents have been implanted in patients with no apparent deleterious effect in the long term compared to bare metal stent technologies

Showing 2351 - 2360 of 2675 results