Acotiamide hydrochloride trihydrate - CAS 773092-05-0
Catalog number: 773092-05-0
Category: Inhibitor
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Molecular Formula:
Molecular Weight:
functional dyspepsia;
Acotiamide, also known as YM-443 and Z-338, is a drug approved in Japan for the treatment of postprandial fullness, upper abdominal bloating, and early satiation due to functional dyspepsia.
Related CAS:
185104-11-4 (Acotiamide HCl, 1:1); 185106-16-5 (Free base)
Solid powder
N-(2-(diisopropylamino)ethyl)-2-(2-hydroxy-4,5-dimethoxybenzamido)thiazole-4-carboxamide hydrochloride trihydrate; YM443; YM-443; YM 443; Z338; Z-338; Z 338; Acotiamide; Acotiamide hydrochloride trihydrate; Brand name: Acofide
Soluble in DMSO.
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Shelf Life:
2 years if stored properly
Canonical SMILES:
1.Z-338, a newly synthetized carboxyamide derivative, stimulates gastric motility through enhancing the excitatory neurotransmission.
Nakajima T;Nawata H;Ito Y J Smooth Muscle Res. 2000 Apr;36(2):69-81.
We studied the effects of Z-338, a newly synthesized carboxyamide derivative, on autonomic neuroeffector transmission in the guinea-pig stomach in relation to its gastrointestinal prokinetic action, by use of tension recording and microelectrode methods. Z-338 (>10(-8) M) dose-dependently enhanced the amplitude of twitch-like contractions and excitatory junction potentials (EJPs) evoked by single or repetitive electrical field stimulation (EFS) without affecting the non-adrenergic non-cholinergic (NANC) relaxation and inhibitory junction potentials (IJPs) in the circular muscle strips of the guinea-pig stomach. Similar to the action of Z 338, pirenzepine (> 10(-8) M), a muscarinic M1-antagonist, enhanced the EJP amplitude, although AF-DX116 (M2-) and 4-DAMP (M3-antagonists) reduced the EJP amplitude, dose-dependently. The EC50 of the Z-338 and pirenzepine concentration response curves on EJPs were 4.7 x 10(-8) M and 1.0 x 10(-8) M, and Hill coefficients were 0.96 and 0.94 respectively. In addition, Z-338 slightly but significantly enhanced the amplitude of slow waves with or without initial spike. These results provide the first evidence that Z-338 exerts its gastrointestinal prokinetic action mainly through enhancing excitatory neuro effector transmission with no effect on NANC inhibitory neuro-effector transmission in the guinea-pig stomach.
2.[Modulatory mechanisms involved in the parasympathetic excitatory neuro-effector transmission in the airway and gastrointestinal tracts--perspective for a new drug creation].
Ito Y Nihon Yakurigaku Zasshi. 1998 Oct;112 Suppl 1:28P-31P.
It is generally considered that dominant excitatory control of airway and gastrointestinal tract is exerted by the parasympathetic nervous system, and the transmitter output from the nerve terminals, mainly acetylcholine (ACh), is modulated in many ways for example by ACh itself, prostaglandins E series (PGE) neuropeptides and nitric oxide (NO). These modulations are probably due to the suppression of high-voltage-activated calcium channels in the nerve terminals, since, for example, ACh or prostaglandin E1 & E2 selectively suppressed both the N- and R-type Ca2+ currents, through M2 muscarinic and EP3-receptors, respectively in paratracheal ganglion cells. Parasympathetic nervous system also releases nonadrenergic-noncholinergic (NANC) inhibitory neurotransmitters in addition to ACh. The threshold level for ACh and NO release, for example, is almost identical, thereby suggesting the possible interactions between NO and ACh at the post-junctional cites, in addition to the prejunctional inhibitory action of NO to suppress ACh release from the nerve terminal. In this context, NO-donors, including SNAP or Cys-NO, reduced the amplitude of carbachol-induced Ca(2+)-dependent Cl- currents (I infinity h, I alpha(Ca)) dose-dependently (IC50: about 10 microM) in the cat tracheal myocytes, and similar inhibition was also exerted by dibutyryl cGMP (db-cGMP).
3.Prokinetics and fundic relaxants in upper functional GI disorders.
Tack J Curr Opin Pharmacol. 2008 Dec;8(6):690-6. doi: 10.1016/j.coph.2008.09.009. Epub 2008 Oct 27.
Gastrointestinal prokinetics are a heterogeneous class of drugs that stimulate smooth muscle contractions to enhance gastric emptying and intestinal transit. Recently studied prokinetics include antidopaminergic agents (itopride), serotonergic agents (tegaserod and others), and motilin receptor agonists and ghrelin receptor agonists (mitemcinal, TZP101). It has been difficult to establish symptomatic benefit with prokinetic drugs in gastroparesis and functional dyspepsia, because of pathophysiological heterogeneity of the patient populations, a lack of well-accepted endpoints, and inconsistent relationships between changes in motor function and symptomatic outcome. Fundic relaxant drugs are a recent different approach to treatment of gastric motility disorders. Recently studied drugs include drugs under investigation including nitrates, serotonin reuptake blockers, 5-HT(1A) receptor agonists (buspirone and R137696), and muscarinc M1/M2 receptor antagonists (acotiamide or Z-338).
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