Levophacetoperane is a piperidine derivative. Levofacetoperane is a sympathomimetic central nervous system stimulant and is commonly used to treat depression. Levophacetoperane is also a known analeptic and is strongly linked to apnea reversal in dogs after a single intravenous injection.

Omecamtiv mecarbil (CK-1827452) is a specific cardiac myosin activator and a clinical drug for left ventricular systolic heart failure (in Phase 2 of development). Omecamtiv mecarbil is an inotropic agent that prolongs systolic ejection time and increases ejection fraction through myosin ATPase activation.

Cenicriviroc (also referred to as TBR-652 and TAK-652) is an orally active, potent inhibitor of ligand binding to C-C chemokine receptor type 2 (CCR2) and C-C chemokine receptor type 5 (CCR5). Cenicriviroc does not inhibit ligand binding to CCR1 (an alternative target of CCR5 ligands). The mean half-life in healthy volunteers is 35 to 40 hours, which allows daily dosing of the drug. Due to its CCR5 blocking activity, Cenicriviroc has initially been tested as a drug against CCR5-tropic HIV infection. In a double-blind placebo-controlled trial involving 54 HIV infected participants, Cenicriviroc monotherapy at different doses (25, 50, 75, 100, or 150 mg) led to a dose-dependent reduction in HIV-1 RNA levels and concomitant increases in circulating levels of the CCR2 ligand monocyte chemoattractant protein 1 (MCP-1, or CCL2), suggesting potent CCR2 and CCR5 inhibition in vivo. According to clinical trials, Cenicriviroc is a very safe drug with a wide therapeutic range and fairly low pharmacokinetic variability. In animal models of liver diseases, Cenicriviroc potently inhibits macrophage accumulation in the liver and ameliorates fibrosis. In a phase 2b clinical trial on 289 patients with NASH and fibrosis, Cenicriviroc consistently demonstrated liver fibrosis improvement after 1 year of therapy and had an excellent safety profile.

Beloranib (also known as ZGN-433 or CKD-732), a fumagillin anticancer drug that initially was developed by CKD Pharmaceuticals for the treatment of solid tumors. Beloranib is a potent inhibitor of methionine aminopeptidase 2 (MetAP2), an enzyme that modulates the activity of key cellular processes that control metabolism. This drug was studied for the treatment of Prader-Willi syndrome and obesity caused by hypothalamic injury, including craniopharyngioma-associated obesity and severe obesity in the general population. European Commission has granted orphan drug designation for beloranib for the treatment of craniopharyngioma, a rare form of benign brain tumor and for the treatment of Prader-Willi syndrome. Beloran participated in phase III clinical trials to evaluate efficacy and safety in obese adolescent and adult subjects with Prader-Willi Syndrome, but these studies were terminated. In 2016, Zafgen, the company developed the drug, based on discussions with the regulatory authority and review of obstacles, costs and development timelines to gain marketing approval for beloranib, has decided to discontinue further development of the drug.

Cyclazodone is a stimulant drug developed by American Cyanamid Company. Administration of the drug led to an increase in spontaneous activity. The compound is claimed to be useful as a psychotonic drug in depressive states, anxiety, as an anti-fatigue agent, and as an anorexigenic drug. The compound is included in the World Anti-Doping Agency prohibited list.

Sulrnazole (the former AR-L 115 BS) is a benzimidazole derivative with positive inotropic, positive chronotropic and vasodilator effects. Sulrnazole also has been shown to improve cardiac index and reduce pulmonary capillary wedge pressure without significant change in heart rate or arterial pressure. Intravenous administration caused a 217 per cent increase in cardiac output with a 25 per cent decrease in pulmonary wedge pressure. Short-term oral administration resulted in a 317 per cent increase in cardiac index and a 317 per cent increase in ejection fraction. Side effects have included visual blurring and transient colour blindness. Sulmazol has been demonstrated to improve regional wall motion in patients with ischemic heart disease and to abolish pacing-induced ischemia. Sulrnazole is an A1 adenosine receptor antagonist. It is also a phosphodiesterase inhibitor.

Linsitinib is an inhibitor of the insulin receptor and the insulin-like growth factor 1 receptor, which may result in the inhibition of tumor cell proliferation and the induction of tumor cell apoptosis. Linsitinib is in phase II clinical trials for the treatment of metastatic prostate carcinoma, gastrointestinal stromal tumors and other cancers. Common adverse events included fatigue, nausea hyperglycaemia and anorexia.