Palosuran, also known as ACT-058362, a potent and specific antagonist of the human UT receptor. Urotensin inhibition with palosuran was a promising alternative in pulmonary arterial hypertension. Palosuran inhibits binding to primate UT receptors in cell membranes but demonstrates differential activity in intact cells and vascular tissues. Palosuran improves pancreatic and renal function in diabetic rats. Phase-II clinical trials for diabetic nephropathies and cardiovascular disorders were discontinued.

Darapladib (SB-435495), as reversible inhibitors of lipoprotein-associated phospholipase A(2) (Lp-PLA(2) has been developed and studies for the potential treatment of atherosclerosis. In November 2013, GSK announced that the drug had failed to meet Phase III endpoints in a trial of 16,000 patients with acute coronary syndrome.

FLUFYLLINE, a theophylline derivative, has a long-lasting blood pressure lowering activity as well as remarkable serotonin- and histamine antagonism and broncholytic activity.

Ethyl dibunate is a non-narcotic antitussive agent.

Alazanine triclofenate is a mixture of one molecule of 3-ethyl-2-(3-(3-ethyl-2-benzothiazolinylidene)propenyl)benzothiazolium 2,4,5-trichlorophenate and two molecules of 2,4,5-trichlorophenol. It is an antiparasitic agent. It is antimalarial drug, highly active against multiple Plasmodium falciparum isolates with IC50 value of 2.36E-07 M.

Mazokalim is a potassium channel agonist. It was studied in the treatment of asthma and hypertension.

Dioxifedrine is the putative metabolite of 3,4-methylenedioxymethamphetamine. It is the sympathomimetic agent and beta-2 -adrenergic agonist with bronchodilator activity. Dioxifedrine selectively binds to and activates beta-2 adrenergic receptors in bronchiolar smooth muscle, thereby causing stimulation of adenyl cyclase, the enzyme that catalyzes the conversion of adenosine triphosphate (ATP) to cyclic-3',5'-adenosine monophosphate (cAMP). Increased intracellular cAMP levels cause relaxation of bronchial smooth muscle. In stimulatory studies dioxifedrine increased locomotor activity from 15 to 30 min following the drug administration. Following intracerebroventricular injection dioxifedrine rapidly reduced blood pressure and heart rate.