muscarinic antagonist

(redirected from Muscarinic antagonists)

mus·ca·rin·ic an·tag·o·nist

drugs that bind with muscarinic cholinergic receptors but do not activate them, thus preventing access to acetylcholine; examples include atropine, scopolamine, propantheline, and pirenzepine.
References in periodicals archive ?
At baseline, about half of patients were still smokers, half were inhaled corticosteroids, and about one-third were on concomitant long-acting muscarinic antagonists, mainly tiotropium.
"Long-acting muscarinic antagonists are recognized by international COPD treatment guidelines as a cornerstone first-line therapy for COPD, regardless of the severity of disease.
Long-acting muscarinic antagonists (LAMAs) is a selective M3-receptor antagonist with obvious efficiency and fewer adverse reactions.
WEDNESDAY, March 21, 2018 (HealthDay News) -- For patients with persistent asthma, the use of long-acting muscarinic antagonists (LAMAs) versus placebo as an adjunct to inhaled corticosteroids, and combined use of inhaled corticosteroids and long-acting ?-agonists (LABAs), termed single maintenance and reliever therapy (SMART), are associated with a reduced risk of exacerbations, according to two reviews published online March 19 in the Journal of the American Medical Association.
At baseline, about half of patients were still smokers, half were on inhaled corticosteroids, and about one-third were on concomitant long-acting muscarinic antagonists, mainly tiotropium, reported Dr.
Preference is given to LABA/LAMA (long-acting beta-agonist/long-acting muscarinic antagonists) combinations over LABA/ICS (long-acting beta-agonist/inhaled corticosteroid) combinations as a mainstay of treatment.
In total, 2802 patients with COPD were randomised 1:1 to receive FF/VI 100/25mcg, with or without a long-acting muscarinic antagonists (LAMA), or to continue to receive usual care.
Tropane derivatives (atropine, scopolamine, etc.) usually serve as muscarinic antagonists. Interestingly, lesatropane (Figure 1.), a chiral tropane derivative (3S, 6S-isomer of satropane) synthesized in our laboratory, is a novel muscarinic agonist [1,2], and is being under preclinical development in China for the treatment of primary glaucoma [3].
Since atropine is a non-selective muscarinic antagonists, the application of atropine blocks completely the effect produced by acetylcholine (Perry, 1971).
It is usually used as an adjunct to [beta.sub.2]-agonists and muscarinic antagonists. Interactions with macrolides and fluroquinolones and other drugs are also common, and as such the theophylline dose should be reduced if interactions are known.
The vagal integrity was evaluated by application of phenylephrine (PE) plus tacrine, while the muscarinic cholinergic function was evaluated using selective Ml, M2, M3 and M4 muscarinic antagonists. Our data show show that TCCP rats displayed the highest frequency of EKG, Rx and HP disturbances.
Usual care included long-acting muscarinic antagonists (LAMA), long-acting beta2-agonists (LABA), and inhaled corticosteroids (ICS) administered as monotherapy, dual or triple combinations.