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

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Showing 251 - 260 of 4351 results

Status:
Investigational
Source:
INN:elinafide [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Elinafide (LU 79553) is a bisintercalating naphthalamide and a topoisomerase II inhibitor has demonstrated a higher binding affinity for DNA and significant antitumour efficacy against a panel of established tumour cell lines, including several multidrug resistant-positive sublines. Elinafide had been in phase II clinical trial for the treatment of ovarian cancer and phase I trials for the treatment of various solid tumours. The major haematological toxicities observed were anaemia and neutropenia. The major non-haematological toxicities observed in the 3-weekly schedule were neuro-muscular presenting clinically as a mixed syndrome of severe weakness (sometimes with pain in both legs), myalgia and arthralgia, asthenia/fatigue/malaise. One fatality was considered related to LU 79553, as the patient had fever and neutropenia. Clinical study of this drug candidate was discontinued due to its neuromuscular dose-limiting toxicity.
Status:
Investigational
Source:
INN:livoletide [INN]
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Livoletide (AZP-531) is an analog of unacylated ghrelin, a naturally occurring hormone that is thought to counteract the effects of acylated ghrelin. The drug was designed to improve glycaemic control and reduce weight. Livoletide participated in pivotal phase 2b/3 clinical study for the treatment of Prader-Willi syndrome. In addition, the drug was studied in patients with type 2 diabetes mellitus (T2D). Its pharmacokinetic profile, suitable for once daily dosing, and metabolic effects support further clinical development for T2D.
Status:
Investigational
Source:
INN:cemadotin [INN]
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Targets:


Cemadotin (LU103793) is a cytotoxic water-soluble pentapeptide analogue of dolastatin 15. The dolastatin peptides were originally isolated from the shell-less mollusc Dolabella auricularia. Cemadotin blocks cells at mitosis. It exerts its antitumor activity by suppressing spindle microtubule dynamics through a distinct molecular mechanism by binding at a novel site in tubulin. Cemadotin was in phase II clinical trials as a promising cancer chemotherapeutic agent. However, this agent appears to be inactive in the treatment of advanced non-small-cell lung cancer and other tumors and this research has been discontinued.
Status:
Investigational
Source:
INN:preclamol [INN]
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



(-)-3-(3-hydroxyphenyl)-N-n-propylpiperidine ((-)-3-PPP, also known as preclamol) has a dual action towards to dopamine D2 autoreceptor: it activates it and also acts concomitantly as an antagonist at postsynaptic DA receptors. It was shown, that (-)-3PPP/preclamol was a safe drug for study in the treatment of schizophrenia and may have antipsychotic efficacy. Besides, the motor effects of the drug were evaluated in nine patients with Parkinson's disease using a double-blind, placebo-controlled design. However, the small number of patients manifesting a clinically significant response and the frequently inconsistent effects could indicate that this class of agents may have relatively limited clinical utility.
Status:
Investigational
Source:
INN:diprenorphine
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

As a narcotic antagonist similar in action to naloxone, DIPRENORPHINE is used to remobilize animals after analgesia by super-potent opioid analgesics such as etorphine and carfentanil. It is not used in humans. Diprenorphine binds approximately equally to the three subtypes of opioid receptors (mu, delta, and kappa) and antagonizes them. This compound belongs to the class of organic compounds known as phenanthrenes and derivatives. These are polycyclic compounds containing a phenanthrene moiety, which is a tricyclic aromatic compound with three non-linearly fused benzene. The therapeutic efficacy of many other compounds can be decreased when used in combination with Diprenorphine (54 compounds mentioned on www.drugbank.ca).
CYT997 (Lexibulin) is a wholly synthetic compound that possesses highly potent cytotoxic activity in vitro through inhibition of microtubule polymerization. CYT997 (Lexibulin) is a potent microtubule polymerization inhibitor with IC50 of 10-100 nM in cancer cell lines. CYT997 (Lexibulin) blocks the cell cycle at the G(2)-M boundary, and Western blot analysis indicates an increase in phosphorylated Bcl-2, along with increased expression of cyclin B1. Caspase-3 activation is also observed in cells treated with CYT997 (Lexibulin) along with the generation of poly(ADP-ribose) polymerase. The compound possesses favorable pharmacokinetic properties, is orally bioavailable, and is efficacious per os in a range of in vivo cancer models, including some refractory to paclitaxel treatment. CYT997 (Lexibulin) exhibits vascular disrupting activity as measured in vitro by effects on the permeability of human umbilical vein endothelial cell monolayers, and in vivo by effects on tumor blood flow. CYT997 (Lexibulin) possesses a useful combination of pharmacologic and pharmacokinetic properties having considerable potential as a novel anticancer agent. Lexibulin was being developed by YM BioSciences as a vascular-disrupting agent (VDA) for the potential treatment of cancer, it was in phase II development on YM BioSciences ' pipeline. It appears that the development of lexibulin has been discontinued.
Status:
Investigational
Source:
INN:terbogrel
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Terbogrel, an agent having two pharmacodynamic actions, namely inhibition of thromboxane A2 synthase and antagonism of the thromboxane A2 receptor. The antithrombotic effect of terbogrel was dose-dependent and was associated with enhanced prostacyclin production. The drug was studied for the treatment of peripheral vascular disorders, pulmonary hypertension, and thrombosis. Terbogrel participated in phase II clinical trial to investigate its safety and efficacy in patients with primary pulmonary hypertension, however, this study was discontinued due to terbogrel’s induction of leg pain.
Status:
Investigational
Source:
USAN:Atropine Oxide Hydrochloride
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Atropine-N-oxide hydrochloride is an alkaloid of the belladonna plants. It is the major metabolite of atropine. It is a competitive nonselective antagonist at central and peripheral muscarinic acetylcholine receptors.
Status:
Investigational
Source:
INN:mepiprazole
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Mepiprazole is a psychotropic pyrazole derivative. Mepiprazole is a serotonin reuptake inhibitor and adrenolytic. In clinical studies, it demonstrated anxiolytic properties.
Status:
Investigational
Source:
INN:imanixil [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Imanixil (also known as HOE-402) was developed as a potent cholesterol-lowering compound, which inhibits VLDL production, and consequently attenuates atherosclerosis development. This drug participated in phase I clinical trial for the treatment of hyperlipidemia, however, this study was discontinued.