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Restrict the search for
telotristat ethyl
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Class (Stereo):
CHEMICAL (ACHIRAL)
Sematilide (CK-1752) was developed as a novel class III antiarrhythmic agent for the arrhythmia treatment. Sematilide blocks the inward rectifier potassium channel (IK1). The further development of the drug was discontinued.
Status:
Investigational
Source:
NCT01693159: Not Applicable Interventional Unknown status Pain
(2011)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Status:
Investigational
Source:
NCT00004937: Phase 2 Interventional Completed Brain and Central Nervous System Tumors
(1999)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Acridine carboxamide (XR5000) is a tricyclic acridine-based (or carboxamide-based) drug with dual topoisomerase inhibitor and potential antineoplastic activities. Acridine carboxamide inhibits both topoisomerases I and II and intercalates into DNA, resulting in DNA damage, the disruption of DNA repair and replication, the inhibition of RNA and protein synthesis, and cell death. Acridine carboxamide has been used in trials studying the treatment of lung cancer and brain and central nervous system tumors. In clinical trials acridine carboxamide did not show efficacy when tested against various types of cancers.
Status:
Investigational
Class (Stereo):
CHEMICAL (RACEMIC)
Tubulozole is a stereospecific microtubule inhibitor. Structurally it is related to the benzimidazole carbamates by its carbamate moiety, which is essential for the activity of both types of compounds. The compound exists as a cis-isomer called tubulozole-C (R 46 846) and as a trans-isomer called tubulozole-T. The cis-isomer appears to be a potent and specific microtubule inhibitor, the trans-isomer being inactive at 100 times higher concentrations. At low concentrations, both isomers of tubulozole (C, T) inhibit Plasmodium falciparum but only tubulozole C inhibits mammalian cells. Since tubulozole C prevents polymerization of mammalian tubulin whereas tubulozole T does not, the antimalarial action of tubulozoles may not involve microtubules. Tubulozole-C, a new synthetic anticancer drug, interfered with the structure and function of microtubules in both interphase and mitotic cells. The activity of Tubulozole-C in experimental tumor systems can be explained partly by a direct antimitotic effect and partly by the disintegration of the normal subcellular organization of the nondividing cells. At concentrations which affect the microtubule system, tubulozole-C arrested directional migration of transformed cells and malignant invasion in a three-dimensional organ culture system. Investigations in vivo show that malignant L1210 leukemia cells are more susceptible to the antimicrotubular effect of tubulozole-C than are the normal leukocytes of the host. The trans-isomer of tubulozole (tubulozole-T, R 48 265), which has no antitumor activity in vivo, did not affect the microtubule system of cells in vitro or their capacity for directional migration or for malignant invasion.
Status:
Investigational
Source:
NCT01202370: Phase 1 Interventional Completed Solid Malignancies
(2010)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
AR-67 is a third-generation camptothecin analogue that was being developed by Arno Therapeutics for the treatment of cancer, but has been discontinued. AR-67 had been in phase II clinical trials for the treatment of glioblastoma multiforme and myelodysplastic syndrome. AR-67is a synthetic, highly lipophilic derivative of camptothecin, with potential antineoplastic and radiosensitizing activities. AR-67 binds to and stabilizes the topoisomerase I-DNA covalent complex, inhibiting the religation of topoisomerase I-mediated single-stranded DNA breaks and producing lethal double-stranded DNA breaks when encountered by the DNA replication machinery; inhibition of DNA replication and apoptosis follow. Camptothecin readily undergoes hydrolysis at physiological pH, changing its conformation from the active lactone structure to an inactive carboxylate form. Modifications on the E ring of camptothecin prevent binding of human serum albumin, which prefers the inactive carboxylate form, thereby enhancing the stability of the active lactone structure and resulting in prolonged agent activity.
Status:
Investigational
Source:
NCT00741910: Phase 2 Interventional Completed Crohn's Disease
(2003)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
Semapimod (CNI-1493) is a cytokine inhibitor and synthetic guanylhydrazone mitogen-activated protein kinase blocker, is being developed by Cytokine PharmaSciences as a potential treatment for Crohn's disease and other inflammatory conditions. As of December 2001, a phase I study demonstrating the safety of the compound had been completed and phase II trials for psoriasis and Crohn's disease were ongoing. In April 2003, preclinical and early clinical studies were underway for a variety of indications, including congestive heart failure and pancreatitis. Semapimod inhibits activation of p38 MAPK and NF-κB and induction of cyclooxygenase-2 by TLR ligands, but not by IL-1β or stresses. Semapimod inhibits TLR4 signaling (IC50 ≈0.3 umol) and acts by desensitizing cells to LPS; it fails to block responses to LPS concentrations of ≥5 ug/ml. Semapimod had been in phase II clinical trials by Ferring Pharmaceuticals for the treatment of Crohn's disease. However, this research has been discontinued. Semapimod is in phase I clinical trials for the treatment of autoimmune disorders and inflammation.
Status:
Investigational
Class (Stereo):
CHEMICAL (RACEMIC)
Thiazesim (also known as ) is a benzothiazepine derivative patented by Olin Mathieson Chemical Corp. as an oral anti-depressant and tranquilizer useful in the treatment of Parkinsonism. Thiazesim is chemically related to the tranquilizing drugs chlordiazepoxide and diazepam but possesses a unique action on the limbic system, namely a selective depression of the lateral amygdaloid nucleus in experimental animals. Thiazesim shows potent anti-depressant activity in clinical trials.
Status:
Investigational
Source:
NCT00440492: Phase 1 Interventional Completed Arthritis, Rheumatoid
(2006)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Giripladib (PLA 695) is a Cytosolic phospholipase A2 (cPLA2) inhibitor. cPLA2 is associated with tumor progression and radioresistance in mouse tumor models. In these models, treatment with giripladib attenuates radiation induced increases of phospho-ERK and phospho-Akt in endothelial cells. Combined with irradiation, giripladib reduces migration and proliferation in endothelial cells (HUVEC & bEND3) and induces cell death and attenuated invasion by tumor cells (LLC &A549). The combination treatment of giripladib and irradiation also delayes growth in both LLC and A549 tumors and results in reduced tumor vasculature. Phase I studies have been conducted to test the gastrointestinal safety of giripladib, and potential pharmacokinetic interaction with other compounds. A phase II study was terminated.
Status:
Investigational
Class (Stereo):
CHEMICAL (ACHIRAL)
Uredepa, a thiotepa derivative, is a antineoplastic, alkylating agent. It has also been used experimentally as an insect chemosterilant.
Class (Stereo):
CHEMICAL (MIXED)
