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Aliment Pharmacol Ther. 2007 Oct 15;26(8):1121-30.

Clinical trial: effect of mitemcinal (a motilin agonist) on gastric emptying in patients with gastroparesis - a randomized, multicentre, placebo-controlled study.

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Center for GI Nerve and Muscle Function, University of Kansas Medical Center, Kansas City, KS, USA.



Mitemcinal is an orally active motilin agonist that could potentially improve gastric emptying.


To investigate the effect of mitemcinal on gastric emptying in patients with idiopathic and diabetic gastroparesis.


In a randomized, double-blind design, 106 patients were randomized into four dosing regimens (22 to placebo and 21 each to mitemcinal 10 mg, 20 mg, 30 mg bid or 20 mg tid) for 28 days. A standardized scintigraphic gastric emptying test was performed at screening and again after completing the 4-week protocol.


All doses of mitemcinal showed prokinetic activity. A significant improvement in meal retention at 240 min was noted even in the lowest dose group with the greatest improvement observed with 30 mg bid group (75% vs. 10% in placebo group). Diabetic patients responded better than the idiopathic subgroup. In diabetic patients, blood glucose at 1 h after a meal showed dose-dependent elevation. Although gastroparetic symptoms improved with both mitemcinal and placebo, the prominent placebo effect was not statistically exceeded by mitemcinal. Baseline scintigraphy results exhibited no clear correlation between the severity of gastroparetic symptoms and the status of gastric emptying.


Mitemcinal is capable of accelerating gastric emptying in both diabetic and idiopathic patients with gastroparesis.

[Indexed for MEDLINE]
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