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Enlon (Edrophonium Chloride) - Summary



ENLON is a short and rapid-acting cholinergic drug.

Enlon (EDROPHONIUM) is indicated for the following:

ENLON is recommended for the differential diagnosis of myasthenia gravis and as an adjunct in the evaluation of treatment requirements in this disease. It may also be used for evaluating emergency treatment in myasthenic crises. Because of its brief duration of action, it is not recommended for maintenance therapy in myasthenia gravis.

ENLON is also useful whenever a curare antagonist is needed to reverse the neuromuscular block produced by curare, tubocurarine, gallamine triethiodide or dimethyl-tubocurarine. It is not effective against decamethonium bromide and succinylcholine chloride. It may be used adjunctively in the treatment of respiratory depression caused by curare overdosage.

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Published Studies Related to Enlon (Edrophonium)

Reversal of mivacurium chloride: edrophonium of spontaneous recovery in microscopic laryngeal surgery. [2001]
to the first twitch... CONCLUSIONS: Mivacurium, a short-acting nondepolarizing agent, is a suitable

Edrophonium requirements for reversal of deep neuromuscular block following infusion of mivacurium. [1995]
Mivacurium is a new non-depolarizing muscle relaxant consisting of three stereoisomers. The two active isomers (cis-trans and trans-trans) undergo rapid metabolism by plasma cholinesterase (t1/2 beta < 2 min)... Heterozygous patients with atypical plasma cholinesterase levels, as well as certain individuals with normal dibucaine numbers and plasma cholinesterase activity, are at risk for prolonged neuromuscular block, but the block is easily reversed with edrophonium.

Comparison of the combined effects of atropine and neostigmine with atropine and edrophonium on the occurrence of postoperative nausea and vomiting. [1993]
To investigate the effects of different types of anticholinesterase on the incidence of the postoperative nausea and vomiting, 100 ASA class I-II adult premenopausal female patients undergoing elective lower abdominal surgery were randomized into two groups... We concluded that there were no difference in the incidence of postoperative nausea or vomiting with the use of either neostigmine or edrophonium with atropine for antagonizing neuromuscular blockade after the lower abdominal surgery.

Cardiovascular and autonomic nervous effects of edrophonium and atropine combinations during neuromuscular blockade antagonism in sheep. [2008]
OBJECTIVE: To study heart rate (HR), arterial blood pressure (BP) and autonomic nervous (AN) effects of edrophonium-atropine combinations during neuromuscular blockade (NMB) antagonism in sheep... Edrophonium (0.5 mg kg(-1)) and atropine (80 microg kg(-1)) caused the mildest HR changes without ECG and noncardiac AN disturbances, and is recommended for the antagonism of NMB in sheep.

Reversal of rocuronium with edrophonium during propofol versus sevoflurane anesthesia. [2001]
anesthesia... CONCLUSIONS: We conclude that the clinical duration of action after a single dose

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Clinical Trials Related to Enlon (Edrophonium)

Measurement of Autonomic Cardiovascular Integrity in Persons With SCI [Recruiting]
People with a spinal cord injury (SCI) have limited ability to move and feel sensation below the level of the SCI. Doctors and researchers have tests which determine the level of function and sensation, this test was developed by the American Spinal Cord Injury Association (ASIA) and has been modified over the years to improve use and sensitivity. Most recently, the ASIA Injury classification Scale (AIS) was modified in 2011, but this test does not include the evaluation of autonomic nervous system (ANS) impairment. However, people with SCI do have impairment of the ANS and this may adversely affect how organ systems in the body function. Specifically, ANS impairment tends to result in changes in heart rate and blood pressure that may relate to the level of the SCI, but this is not fully understood. In this investigation we hope to develop simple tests which will allow doctors and scientist the ability to measure the amount of ANS impairment to the cardiovascular system, specifically the heart. The first part of the study will be to determine the heart rate response to several tests (administration of drugs and physical challenges) which will change heart rate. These tests will be given to people with and without SCI and the heart rate response will be compared between people with and without SCI. The bigger the difference in the heart rate response to these test between people with and without SCI the greater degree of ANS impairment in the people with SCI. Once this heart rate difference is determined, several simple tests (deep breathing, saliva test, Valsalva) will be performed in people with and without SCI to again compare the heart rate response. The second part of this study will be to determine if the heart rate responses to the first set of tests (administration of drugs and physical challenges) can predict the heart rate response to these simple tests (deep breathing, saliva test, Valsalva). The aim of this study is to develop a simple battery of tests which can be easily used by doctors and scientists to determine the degree of ANS impairment to the heart in persons with SCI.

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Page last updated: 2013-02-10

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