Alcuronium

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(Description)
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| IUPAC_name        =N/A
| IUPAC_name        =N/A
| PubChem          = 10010215
| PubChem          = 10010215
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| CAS_number        = 23214-96-2
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| ATC_prefix        = M03
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| ATC_suffix        = AA01
| DrugBank          =
| DrugBank          =
| ChemSpiderID      =
| ChemSpiderID      =
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| metabolism        =
| metabolism        =
| elimination_half-life =  
| elimination_half-life =  
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| excretion =  70-90% unchanged in urine  1.3ml/kg/min t1/2 2- 4 hours
}}
}}
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A non-depolarizing skeletal muscle relaxant similar to TUBOCURARINE. It is used as an anesthesia adjuvant.
A non-depolarizing skeletal muscle relaxant similar to TUBOCURARINE. It is used as an anesthesia adjuvant.
Alcuronium is a peripherally acting muscle relaxant in the curare alkaloid family. It is a semi-synthetic substance derived from toxiferine.
Alcuronium is a peripherally acting muscle relaxant in the curare alkaloid family. It is a semi-synthetic substance derived from toxiferine.
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Use - Intubation and ventilation
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Action - NDMB post synapthis n2 receptor
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Dose .2 - .5 mg/kg ivi
==General Properties==
==General Properties==
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46.9
46.9
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 +
==Effects==
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*Cardiovascular system - histamine release and blockage of the sympathetic ganglia including adrenal medulla could cause Hypotension
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 +
*Respiratory - apnea due to phrenic blockage but bronchoconstriction can occur from the histamine release
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 +
*Central nervous system - no effect on intraoccular pressure
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 +
*Autonomic ganglion blockade can cause decrease in gut motility
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==Kinetics==
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*Poor oral absorption
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*Distribution - 40 % protein bound  Volume of Distribution .37l/kg. Does cross placenta ratio .6
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*Metabolism - not metabolized
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*Excretion
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70 - 90% unchanged in urine  1.3ml/kg/min t1/2 2- 4 hours
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==Special points==
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*Duration of action prolonger in states of low potassium, calcium and protein, also in states of high magnesium and acidosis.
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*Pharmaceutically incompatible with thiopentone
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Infusion can cause fixed dilated pupils
==External Links==
==External Links==
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[http://crdd.osdd.net/raghava/biadb/detail.php?id=1003 Link to BIAdb Database]
[http://crdd.osdd.net/raghava/biadb/detail.php?id=1003 Link to BIAdb Database]
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* {{cite journal | author = Zahn K, Eckstein N, Tränkle C, Sadée W, Mohr K | title = Allosteric modulation of muscarinic receptor signaling: alcuronium-induced conversion of pilocarpine from an agonist into an antagonist. | journal = J Pharmacol Exp Ther | volume = 301 | issue = 2 | pages = 720–8 | year = 2002 | pmid = 11961078 | doi = 10.1124/jpet.301.2.720}}
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* {{cite journal | author = Maass A, Mohr K | title = Opposite effects of alcuronium on agonist and on antagonist binding to muscarinic receptors. | journal = Eur J Pharmacol | volume = 305 | issue = 1-3 | pages = 231–4 | year = 1996 | pmid = 8813558 | doi = 10.1016/0014-2999(96)00240-3}}
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* {{cite journal | author = Jakubík J, Tucek S | title = Protection by alcuronium of muscarinic receptors against chemical inactivation and location of the allosteric binding site for alcuronium. | journal = J Neurochem | volume = 63 | issue = 5 | pages = 1932–40 | year = 1994 | pmid = 7931349}}
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[[Category:Muscle relaxants]]

Revision as of 04:32, 1 May 2009

Show 3-D Structure

Show 2-D Structure

Alcuronium
Systematic (IUPAC) name
N/A
Identifiers
CAS number 23214-96-2
ATC code M03AA01
PubChem 10010215
Chemical data
Formula C44H50Cl2N4O2
Mol. mass 737.7994
SMILES eMolecules & PubChem
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion 70-90% unchanged in urine 1.3ml/kg/min t1/2 2- 4 hours
Therapeutic considerations
Pregnancy cat.

?

Legal status
Routes  ?

Contents

Description

A non-depolarizing skeletal muscle relaxant similar to TUBOCURARINE. It is used as an anesthesia adjuvant. Alcuronium is a peripherally acting muscle relaxant in the curare alkaloid family. It is a semi-synthetic substance derived from toxiferine.

Use - Intubation and ventilation

Action - NDMB post synapthis n2 receptor

Dose .2 - .5 mg/kg ivi

General Properties

*Molecular Weight

737.7994

*Molecular Formula

C44H50Cl2N4O2

*IUPAC NAME

N/A

*Canonical Smiles

C=CC[N+]12CCC34C1CC(C(=CCO)C2)C5=CN6C7C(=CN(C53)C8=CC=CC=C48)C9CC1C7(CC[N+]1(CC9=CCO)CC=C)C1=CC=CC=C16.[Cl-].[Cl-]

*Isomeric Smiles

C=CC[N+]12CCC34C1CC(/C(=CCO)/C2)/C/5=C/N6C7/C(=CN(C53)C8=CC=CC=C48)/C9CC1C7(CC[N+]1(C/C9=C/CO)CC=C)C1=CC=CC=C16.[Cl-].[Cl-]

*XLogP

N/A

*Topological Polar Surface Area

46.9

Effects

  • Cardiovascular system - histamine release and blockage of the sympathetic ganglia including adrenal medulla could cause Hypotension
  • Respiratory - apnea due to phrenic blockage but bronchoconstriction can occur from the histamine release
  • Central nervous system - no effect on intraoccular pressure
  • Autonomic ganglion blockade can cause decrease in gut motility

Kinetics

  • Poor oral absorption
  • Distribution - 40 % protein bound Volume of Distribution .37l/kg. Does cross placenta ratio .6
  • Metabolism - not metabolized
  • Excretion

70 - 90% unchanged in urine 1.3ml/kg/min t1/2 2- 4 hours

Special points

  • Duration of action prolonger in states of low potassium, calcium and protein, also in states of high magnesium and acidosis.
  • Pharmaceutically incompatible with thiopentone

Infusion can cause fixed dilated pupils

External Links

Link to BIAdb Database

  • Zahn K, Eckstein N, Tränkle C, Sadée W, Mohr K (2002). "Allosteric modulation of muscarinic receptor signaling: alcuronium-induced conversion of pilocarpine from an agonist into an antagonist.". J Pharmacol Exp Ther 301 (2): 720–8. doi:10.1124/jpet.301.2.720. PMID 11961078. 
  • Maass A, Mohr K (1996). "Opposite effects of alcuronium on agonist and on antagonist binding to muscarinic receptors.". Eur J Pharmacol 305 (1-3): 231–4. doi:10.1016/0014-2999(96)00240-3. PMID 8813558. 
  • Jakubík J, Tucek S (1994). "Protection by alcuronium of muscarinic receptors against chemical inactivation and location of the allosteric binding site for alcuronium.". J Neurochem 63 (5): 1932–40. PMID 7931349.