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Accession NumberDB00386  (APRD00786)
TypeSmall Molecule

A fat-soluble alkaloidal fraction extracted from the root of Rauwolfia serpentina, containing reserpine and other nonadrenolytic amorphous alkaloids; used as a sedative in psychoses, in mild hypertension, and as an adjunct to more potent hypotensive drugs. Alseroxylon has been discontinued in the US market.

AlseroxylonNot AvailableJAN
EgalinNot AvailableNot Available
Rau-TabNot AvailableNot Available
RautensinNot AvailableNot Available
RauwiloidNot AvailableNot Available
External Identifiers
  • LS-16429
Prescription ProductsNot Available
Generic Prescription ProductsNot Available
Over the Counter ProductsNot Available
International BrandsNot Available
Brand mixturesNot Available
SaltsNot Available
CategoriesNot Available
CAS number8001-95-4
WeightNot Available
Chemical FormulaNot Available
InChI KeyNot Available
InChINot Available
IUPAC NameNot Available
SMILESNot Available
ClassificationNot classified
IndicationFor the treatment of hypertension and as an adjunct in the management of angina pectoris.
PharmacodynamicsAlseroxylon is a purified extract of Rauwolfia serpentina, containing reserpine and other amorphous alkaloids. Alseroxylon is an indole alkaloid antipsychotic and antihypertensive drug known to irreversibly bind to storage vesicles of neurotransmitters such as dopamine, norepinephrine, and serotonin. This leads to depletion of the neurotransmitters and subsequent depression in humans.
Mechanism of actionThe antihypertensive actions of alseroxylon are a result of its ability to deplete catecholamines from peripheral sympathetic nerve endings. Alseroxylon almost irreversibly blocks the accumulation of noradrenaline and dopamine into synaptic vesicles by inhibiting the Vesicular Monoamine Transporters (VMAT). This depletion ultimately affects the carotid pressoreceptors which leads to a decrease in vascular pressure.
AbsorptionNot Available
Volume of distributionNot Available
Protein bindingNot Available
MetabolismNot Available
Route of eliminationNot Available
Half lifeNot Available
ClearanceNot Available
ToxicityNot Available
Affected organisms
  • Humans and other mammals
PathwaysNot Available
SNP Mediated EffectsNot Available
SNP Mediated Adverse Drug ReactionsNot Available
Predicted ADMET features
Human Intestinal AbsorptionNot AvailableNot Available
Blood Brain BarrierNot AvailableNot Available
Caco-2 permeableNot AvailableNot Available
P-glycoprotein substrateNot AvailableNot Available
P-glycoprotein inhibitor INot AvailableNot Available
P-glycoprotein inhibitor IINot AvailableNot Available
Renal organic cation transporterNot AvailableNot Available
CYP450 2C9 substrateNot AvailableNot Available
CYP450 2D6 substrateNot AvailableNot Available
CYP450 3A4 substrateNot AvailableNot Available
CYP450 1A2 substrateNot AvailableNot Available
CYP450 2C9 inhibitorNot AvailableNot Available
CYP450 2D6 inhibitorNot AvailableNot Available
CYP450 2C19 inhibitorNot AvailableNot Available
CYP450 3A4 inhibitorNot AvailableNot Available
CYP450 inhibitory promiscuityNot AvailableNot Available
Ames testNot AvailableNot Available
CarcinogenicityNot AvailableNot Available
BiodegradationNot AvailableNot Available
Rat acute toxicityNot AvailableNot applicable
hERG inhibition (predictor I)Not AvailableNot Available
hERG inhibition (predictor II)Not AvailableNot Available
ADMET data is predicted using admetSAR, a free tool for evaluating chemical ADMET properties. (23092397 )
  • Novartis consumer health inc
  • 3m pharmaceuticals inc
PackagersNot Available
Dosage formsNot Available
PricesNot Available
PatentsNot Available
Experimental PropertiesNot Available
Predicted PropertiesNot Available
Mass Spec (NIST)Not Available
Synthesis ReferenceNot Available
General ReferencesNot Available
External Links
ATC CodesNot Available
AHFS CodesNot Available
PDB EntriesNot Available
FDA labelNot Available
MSDSNot Available
Drug InteractionsNot Available
Food InteractionsNot Available


1. Synaptic vesicular amine transporter

Kind: protein

Organism: Human

Pharmacological action: yes

Actions: inhibitor


Name UniProt ID Details
Synaptic vesicular amine transporter Q05940 Details


  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. Pubmed
  2. Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. Pubmed
  3. FORD RV, MOYER JH: Rauwolfia toxicity in the treatment of hypertension; comparative toxicity of reserpine and alseroxylon. Postgrad Med. 1958 Jan;23(1):41-8. Pubmed
  4. SCHLAGEL CA, NELSON JW: Rauwolfia hypotension. II. Action of the alseroxylon alkaloids and epinephrine on the carotid pressoreceptors. J Am Pharm Assoc Am Pharm Assoc (Baltim). 1957 Feb;46(2):103-9. Pubmed
  5. Chen X, Ji ZL, Chen YZ: TTD: Therapeutic Target Database. Nucleic Acids Res. 2002 Jan 1;30(1):412-5. Pubmed

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Drug created on June 13, 2005 07:24 /Updated on March 14, 2014 15:42