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

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Showing 151 - 160 of 5452 results

Status:
Investigational
Source:
INN:cloticasone
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Cloticasone is a synthetic glucocorticoid corticosteroid, an analog of fluticasone. Cloticasone was discovered by Glaxo in the 1980s and claimed to be useful as an antiinflammation agent.
Status:
Investigational
Source:
INN:piclidenoson [INN]
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Piclidenoson (CF101), generically known as IB-MECA (methyl 1-[N6-(3-iodobenzyl)-adenin-9-yl]-b-D-ribofuronamide), is an oral small molecule drug formulated in a tablet. The activity of CF101 as an anti-inflammatory agent has been tested in a number of different experimental models including adjuvant and collagen induced arthritis and inflammatory bowel disease. CF101 is a highly specific agonist at the A3AR known to induce a robust anti-inflammatory effect in different experimental animal models. The CF101 mechanism of action entails down-regulation of the NF-κB-TNF-α signaling pathway, resulting in inhibition of pro-inflammatory cytokine production and apoptosis of inflammatory cells. Piclidenoson is currently being developed for the treatment of autoimmune inflammatory diseases like RA and psoriasis, hoping to replace the current standard of care, methotrexate (MTX). Can-Fite has tested CF101 in a number of Phase II studies in different diseases. A Phase II study in Psoriasis successfully met its primary endpoint showing that CF101 effectively ameliorated disease symptoms. In an interim analysis of the Phase II/III study the data justified full enrollment of the study. Phase II studies in Rheumatoid Arthritis (RA) demonstrated efficacy of CF101 given as a monotherapy. Moreover, a direct correlation between A3AR at baseline and patients’ response to CF101, suggesting its utilization as a predictive biomarker. Piclidenoson is headed into Phase 3 trials for RA and psoriasis.
Status:
Investigational
Source:
INN:oxarbazole
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)

Oxarbazole was developed as an antiasthmatic agent that inhibited the only bronchoconstriction induced by immune complexes. This drug has never been marketed.
Status:
Investigational
Source:
INN:vebufloxacin
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)

Vebufloxacin (OPC-7241) is a nalidixic acid analog. It exhibited potent antibacterial activity against gram-positive and -negative bacteria, including Staphylococcus aureus and Pseudomonas aeruginosa.
Lysergide (LSD) is a semi-synthetic hallucinogen and is one of the most potent drugs known. Recreational use became popular between the 1960s to 1980s, but is now less common. LSD was first synthesized by Albert Hoffman while working for Sandoz Laboratories in Basel in 1938. Some years later, during a re-evaluation of the compound, he accidentally ingested a small amount and described the first ‘trip’. During the 1950s and 1960s, Sandoz evaluated the drug for therapeutic purposes and marketed it under the name Delysid®. It was used for research into the chemical origins of mental illness. Recreational use started in the 1960s and is associated with the ‘psychedelic period’. LSD possesses a complex pharmacological profile that includes direct activation of serotonin, dopamine and norepinephrine receptors. In addition, one of its chief sites of action is that of compound-specific (“allosteric”) alterations in secondary messengers associated with 5HT2A and 5HT2C receptor activation and changes in gene expression. The hallucinogenic effects of LSD are likely due to agonism at 5HT2A and 5HT2C receptors. LSD is also an agonist at the majority of known serotonin receptors, including 5HT1A, 5HT1B, 5HT1D, 5HT5A, 5HT6 and 5HT7 receptors. During the 1960s, LSD was investigated for a variety of psychiatric indications, including the following: as an aid in treatment of schizophrenia; as a means of creating a "model psychosis"; as a direct antidepressant; and as an adjunct to psychotherapy. LSD is listed in Schedule I of the United Nations 1971 Convention on Psychotropic Substances.
Status:
Investigational
Source:
INN:securinine [INN]
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)


Conditions:

Securinine is a plant-derived alkaloid from the Securinega plant that has been used clinically as a therapeutic for primarily neurological related diseases. Securinine is well-known GABAA antagonist and recently it was found that Securinine is able to up-regulate p53 protein and to modulate the related family member p73 protein in a p53-dependent fashion, inducing p73 in the HCT116 p53(-) cells and down-regulating it in the p53(+) cells. Securinine induces G1 phase cell cycle arrest, upregulates expression of p53 and Bax, and downregulates expression of Bcl-2, PI3K, mTOR, and p70s6k in breast cancer cells and promyelocytic leukemia cells. Securinine activates p38 MAPK, enhancing monocyte antibacterial activity in vitro as well. This compound also exhibits antimicrobial activity against Alternaria, Curvularia, and Helminthosporum. Additionally, securinine decreases AChE activity and suppresses amyloid-β (Aβ)-induced glial inflammatory responses in animal models of Alzheimer’s disease, improving cognitive deficits. Securinine’s activity as a GABA antagonist, likely explains its reported clinical success in limited studies for the treatment of neurological conditions such as amyotrophic lateral sclerosis (ALS), poliomyelitis and multiple sclerosis. Securinine has not been utilized in the United States, it has been used clinically in several other countries particularly China and Russia. In China, it is considered one of the 50 fundamental Chinese herbs and is used in Chinese herbal medicine.
Status:
Investigational
Source:
INN:zegruvirimat [INN]
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

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

Class (Stereo):
CHEMICAL (RACEMIC)

Status:
Investigational
Source:
INN:nitracrine
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Nitracrine (Ledakrin, C-283) is an acridine derivative with potential cytostatic and antitumor activities. Nitracrine induces the unwinding of supercoiled DNA and binds to the DNA through intercalation, forming drug-DNA adducts and DNA interstrand crosslinks. This inhibits RNA synthesis, protein production, cell growth, DNA replication and cell proliferation; altogether, this may promote apoptosis. Since cancer cells have increased metabolism and proliferate at an increased rate, nitracrine may induce tumor cell apoptosis. The drug was used in clinics in Poland for the treatment of ovarian, colon, lung and mammary carcinomas. Some undesirable effects observed in clinics: e.g. nausea, vomiting and toxicity and mutagenicity of the drug in S. typhimurium strongly limited the therapeutic use of nitracrine and promoted a search for more suitable analogues.
Status:
Investigational
Source:
INN:trospectomycin
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Trospectomycin is an aminocyclitol antibiotic similar in structure to spectinomycin. The drug was originally developed by Pharmacia & Upjohn. It is a 6'-propyl analogue of spectinomycin, and lacks the aminosugars in glycosidic linkage which are thought to be responsible for the ototoxicity and nephrotoxicity associated with the aminoglycosides. The mechanism of action of trospectomycin is similar to that of its parent compound, spectinomycin: it binds to the bacterial 30S ribosome and inhibits protein synthesis. The transport mechanism for its delivery to its target site does not appear to be oxygen dependent, and this explains the in-vitro activity of trospectomycin against anaerobic organisms. Trospectomycin has activity against a broad spectrum of pathogenic organisms including Streptococcus, Haemophilus, Gardnerella, Neisseria, Peptococcus, Peptostreptococcus, Bacteroides, Mobiluncus, Chlamydia, Mycoplasma and Ureaplasma spp. Results of in-vivo testing suggest potential utility in a variety of clinical conditions including non-gonococcal urethritis, chlamydial cervicitis, gonorrhoea, pelvic inflammatory disease, pneumonia, anaerobic infections and meningitis. Trospectomycin progressed to late stage clinical trials for treatment of pelvic inflammatory disease (chlamydia) before being abandoned for commercial reasons as the third generation cephalosporins and second generation macrolides in development and use were judged superior at the time.