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Restrict the search for
vitamin a
to a specific field?
Status:
Investigational
Source:
NCT00116909: Phase 2 Interventional Completed Locally Recurrent or Metastatic Cancer of the Head and Neck
(2004)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
OSI-7904L is a liposomal formulation of the highly specific, noncompetitive thymidylate synthase inhibitor OSI-7904 (also known as GW1843, BW1843U89, and GS7904). The liposome formulation was developed to enhance the therapeutic index and dose schedule convenience of this potent antifolate compound. This drug was studied in phase II clinical trial in patients to treat head and neck cancer, gastroesophageal adenocarcinoma and advanced biliary cancer, but these studies were discontinued. As an example in case of OSI-7904L, was revealed that its activity was below a level of clinical relevance in advanced biliary tract cancer, providing only a small degree of disease stabilization.
Status:
Investigational
Source:
NCT00978250: Phase 2 Interventional Completed Head and Neck Neoplasms
(2009)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
5-Fluoro-2-deoxycytidine is a fluorinated pyrimidine analog antimetabolite with potential antineoplastic activity. As a prodrug, 5-fluoro-2-deoxycytidine is converted by intracellular deaminases to the cytotoxic agent 5-fluorouracil (5-FU). 5-FU is subsequently metabolized to active metabolites including 5-fluoro-2-deoxyuridine monophosphate (FdUMP) and 5-fluorouridine triphosphate (FUTP). FdUMP binds to and inhibits thymidylate synthase, thereby reducing the production of thymidine monophosphate, which leads to depletion of thymidine triphosphate and the inhibition of DNA synthesis and cell division. FUTP competes with uridine triphosphate (UTP) for incorporation into the RNA strand, which results in the inhibition of RNA and protein synthesis and cell proliferation. 5-Fluoro-2-deoxycytidine undergoing trials to test its effectiveness in treating cancer that has not responded to standard therapies.
Status:
Investigational
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
Sufugolix (TAK-013 or 5-(N-benzyl-N-methylaminomethyl)-1-(2,6-difluorobenzyl)-6-[4-(3-methoxyureido)phenyl]-3-phenylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione) is a highly potent and orally active non-peptide antagonist of luteinizing hormone-releasing hormone (LHRH) receptor. Sufugolix by oral administration suppresses a pituitary-ovarian axis continuously and reversibly in cynomolgus monkeys. Takeda studied Sufugolix in the trials for the treatment of endometriosis and uterine leiomyoma however development was discontinued.
Class (Stereo):
CHEMICAL (RACEMIC)
Oxapadol (MD 720111), a non-narcotic analgesic that caused a significant increase in the threshold of the reflex whereas no change was noted with placebo. The current use of this drug is unknown.
Class (Stereo):
CHEMICAL (EPIMERIC)
Tropodifene (Tropaphen) is an α-Adrenergic receptor blocking agent. Clinical trials have shown that tropaphen has a beneficial effect on hypertension. Tropaphen has a very marked adrenolytic and vasodilator action. It greatly lowers the tone of the peripheral vessels. The preparation is effective starting with a dose of 0.1 mg/kg. After injection of the drug in a dose of 0.25 mg/kg, a considerable and gradually progressive decrease in the perfusion pressure takes place. The pressure falls by 30-35% and remained at a low level for 90-100 min. With a dose of tropaphen of 0.5 mg/kg, the perfusion pressure falls by 40-45% and remains low for 120 min or more. Strong vasodilatation is also observed after injection of tropaphen into intact rabbits.
Class (Stereo):
CHEMICAL (ACHIRAL)
Fasiplon (RU 33203), an imidazo[1,2-a]pyrimidine derivative, is agonist of GABA(A) receptors at benzodiazepine binding site. It was in preclinical studies for the treatment of anxiety.
Status:
Investigational
Source:
Zhonghua Nan Ke Xue. Apr 2015;21(4):338-41.: Not Applicable Human clinical trial Completed Infertility, Male
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Calcimycin is an ionophore, polyether antibiotic from Streptomyces chartreusensis. It binds and transports calcium and other divalent cations across membranes and uncouples oxidative phosphorylation while inhibiting ATPase of rat liver mitochondria. The substance is used mostly as a biochemical tool to study the role of divalent cations in various biological systems. Calcimycin has antibiotic properties against gram-positive bacteria and fungi. Inex Pharmaceuticals Corporation (Canada) reported an innovative application of Calcimycin. "Inex" used Calcimycin as a molecular tool in order to make artificial liposomes loaded with anti-cancer drugs such as Topotecan. In in vitro fertilization (IVF) field, Ca Ionophore can be used in case of low fertilization rate after ICSI procedure, particularly with Globozoospermia (Round Head sperm syndrome), Ca Ionophore plays role in oocyte activation after ICSI. Recommended use is 0.5 microgram/ml twice for 10 min interrupted with fresh media with 30 min incubation, followed with regular injected eggs culture for IVF
Status:
Investigational
Source:
INN:pralnacasan [INN]
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Pralnacasan is a potent, non-peptide inhibitor of interleukin-1beta converting enzyme (ICE, aka Caspase-1). It was originally discovered by Vertex Pharmaceuticals and licensed for development to Aventis Pharma. In 2003 Aventis and Vertex Pharmaceuticals agreed to voluntarily discontinue development based on results from a 9-month animal toxicity trial that showed liver abnormalities due to chronic high doses of pralnacasan. Pralnacasan has also been investigated for the treatment of Partial Epilepsy; advancing to Phase II clinical trials.
Status:
Investigational
Source:
NCT03292406: Phase 2 Interventional Completed Cutaneous T Cell Lymphoma
(2017)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Resiquimod is an imidazoquinolinamine and Toll-like receptor (TLR) agonist with potential immune response modifying activity. Resiquimod exerts its effect through the TLR signaling pathway by binding to and activating TLR7 and 8 mainly on dendritic cells, macrophages, and B-lymphocytes. This induces the nuclear translocation of the transcription activator NF-kB as well as activation of other transcription factors. This may lead to an increase in mRNA levels and subsequent production of cytokines, especially interferon-alpha (INF-a) and other cytokines, thereby enhancing T-helper 1 (Th1) immune responses. In addition, topical application of resiquimod appears to activate Langerhans' cells, leading to an enhanced activation of T-lymphocytes. Resiquimod is used as a topical gel[1] in the treatment of skin lesions[2] such as those caused by the herpes simplex virus[3][4] and cutaneous T cell lymphoma. Due to its immunostimulatory activity, this agent may potentially be used as a vaccine adjuvant.
Status:
Investigational
Class (Stereo):
CHEMICAL (RACEMIC)
Losigamone possesses an unique anticonvulsant activity profile and has an excellent tolerability. Losigamone causes dose-dependent inhibition of the tonic hind leg extension produced by electric shock, pentylenetetrazole, bicuculline, nicotine and 4-aminopyridine. Losigamone also inhibits clonic seizures induced by pentylenetetrazole, bicuculline and picrotoxin, whereas it has no effect on the hind leg extension caused by strychnine and picrotoxin or the clonic seizures induced by NMDA. Losigamone had been in phase III clinical trial for the treatment of partial epilepsies. However, this development was discontinued.
