Cidoxepin is the cis-isomer of the widely prescribed tricyclic compound doxepin. Commercial preparations of the tricyclic anti-depressant doxepin contain 15% of the more active cis-doxepin and 85% of the trans-isomer. Elorac, Inc., a rapidly growing specialty pharmaceutical company focused on the treatment of dermatological disorders, is pleased to announce that it has acquired worldwide rights to the active agent Cidoxepin from Gideon Pharmaceuticals. Cidoxepin appears to be much more potent than doxepin while having less sedative and cholinergic side effects. Elorac plans to develop oral formulations of the drug to treat urticaria and topical formulations for treatment of atopic and contact dermatitis.

Velneperit, also known as S-2367, is a once-daily, oral, centrally acting, small molecule neuropeptide Y (NPY) Y5 receptor antagonist that was discovered by Shionogi Research Laboratories. It was developed for the oral treatment of obesity. Velneperit was in phase II trials, however, development was discontinued.

Verucerfont (formerly GSK561679), a corticotropin releasing factor (CRF) receptor 1 antagonist, is being developed by GlaxoSmithKline under the license from Neurocrine Biosciences, for the treatment of post-traumatic stress disorder and congenital adrenal hyperplasia (CAH). Verucerfont is a potent, selective CRF1 receptor antagonist (IC50 for CRF1, CRF2, and CRF-BP ~ 6.1, >1000 and >1000 nM, respectively), and is orally available and brain penetrant. Verucerfont is in phase II clinical trials for the treatment of post-traumatic stress disorder or alcoholism. The compound was also in trials for the treatment of classic congenital adrenal hyperplasia (CAH). However, this research has been discontinued. In 2015, orphan drug designation was received in U.S. for the indication.

Tiflamizole is a fluorinated diarylamidazole derivative patented by du Pont de Nemours, E. I., and Co. as an anti-inflammatory agent. Tiflamizole acts as a non-steroidal anti-inflammatory drug, that exerts potent inhibition of prostaglandin synthesis and exhibits anti-inflammatory, antipyretic, and analgesic activity in animal studies. Preliminary studies in animals and man have shown that Tiflamizole is rapidly absorbed from the gastrointestinal tract, is highly protein-bound, and is slowly excreted. Toxicity studies in animals focused on the gastrointestinal tract. Short-term toxicity studies in rats indicated that the margin of safety of Tiflamizole is greater than that for piroxicam, ibuprofen, or sulindac.

Oxamisole (previously known as PR 879-317A), a selective immunomodulatory agent that was studied for the treatment of viral infections. Experiments on mice have shown that antiviral properties of oxamisole were mediated through the immunomodulatory effects of this compound on the immune system. However, further development of this drug was discontinued.

Mocetinostat is an rationally designed, orally available, Class 1-selective, small molecule, 2-aminobenzamide HDAC inhibitor with potential antineoplastic activity. Mocetinostat binds to and inhibits Class 1 isoforms of HDAC, specifically HDAC 1, 2 and 3, which may result in epigenetic changes in tumor cells and so tumor cell death; although the exact mechanism has yet to be defined, tumor cell death may occur through the induction of apoptosis, differentiation, cell cycle arrest, inhibition of DNA repair, upregulation of tumor suppressors, down regulation of growth factors, oxidative stress, and autophagy, among others. It is undergoing clinical trials for treatment of various cancers including bladder cancer, diffuse large B cell lymphoma, follicular lymphoma, myelodysplastic syndromes, non-small cell lung cancer. Fatigue, weight loss or anorexia were most common treatment-related adverse events.

Eribaxaban (PD 348292) is an orally efficacious factor Xa inhibitor. It demonstrated antithrombotic efficacy in animal models. Pfizer was developing eribaxaban for the treatment of venous thrombosis.

Propanocaine is a benzyl alcohol derivative with local anesthetics activity

Zaurategrast (CDP323) is an ethyl ester prodrug of CT7758, a potent carboxylic acid antagonist of integrin alpha4-beta1 (α4β1) or very late antigen 4 (VLA4). CDP323 was under development with UCB and Biogen Idec for the treatment of multiple sclerosis. Its development was discontinued in 2009 based on inadequate interim efficacy data in a phase II clinical trial.

Pinadoline is a competitive PGE2 antagonist. It is an analgesic agent. Pinadoline demonstrated the antinociceptive activity in the rat using the writhing and the formalin tests. In the writhing test, pinadoline was significantly more potent than inhibitors of PG synthesis, but less potent than opiate analgesics. In the formalin test, pinadoline appeared less active than aspirin and ibuprofen and more active than acetaminophen. Pinadoline does not possess the antiinflammatory activity of aspirin and ibuprofen and may be more like acetaminophen, which had diminished antiinflammatory activity. At high concentrations, pinadoline is a non-competitive antagonist of serotonin in guinea-pig ileum.