U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS
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Details

Stereochemistry ABSOLUTE
Molecular Formula C19H30O2
Molecular Weight 290.4403
Optical Activity UNSPECIFIED
Defined Stereocenters 7 / 7
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of ETIOCHOLANOLONE

SMILES

C[C@]12CC[C@H]3[C@@H](CC[C@@H]4C[C@H](O)CC[C@]34C)[C@@H]1CCC2=O

InChI

InChIKey=QGXBDMJGAMFCBF-BNSUEQOYSA-N
InChI=1S/C19H30O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h12-16,20H,3-11H2,1-2H3/t12-,13-,14+,15+,16+,18+,19+/m1/s1

HIDE SMILES / InChI

Description
Curator's Comment: Description was created based on several sources, including https://www.ncbi.nlm.nih.gov/pubmed/5480865 | https://www.ncbi.nlm.nih.gov/pubmed/16695933 | https://www.ncbi.nlm.nih.gov/pubmed/17341652

Etiocholanone is an androstane neurosteroid. Etiocholanone potentiates GABA-A receptor currents and exerts anticolvunsant properties in rodents. Etiocholanolone demostrates pyrogenic properties.

CNS Activity

Curator's Comment: Etiocholanolone have anticonvulsant properties in rodent models of epilepsy. No human data available.

Approval Year

TargetsConditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Primary
Unknown

Approved Use

Unknown
Primary
Unknown

Approved Use

Unknown
PubMed

PubMed

TitleDatePubMed
Gas chromatography/combustion/isotope ratio mass spectrometry to control the misuse of androgens in breeding animals: new derivatisation method applied to testosterone metabolites and precursors in urine samples.
2001
Changes in androgenic steroid profile due to urine contamination by microorganisms: a prospective study in the context of doping control.
2001 Feb 15
The role of the liver in the acute effect of alcohol on androgens in women.
2001 May
Urinary excretion of steroid metabolites after chronic androstenedione ingestion.
2004 Dec
Urinary analysis of four testosterone metabolites and pregnanediol by gas chromatography-combustion-isotope ratio mass spectrometry after oral administrations of testosterone.
2004 Sep
Production rates of cortisol in obesity.
2004 Sep
Urinary markers of adrenarche: reference values in healthy subjects, aged 3-18 years.
2005 Apr
Modulation of sarcoplasmic reticulum function by Na+/K+ pump inhibitors with different toxicity: digoxin and PST2744 [(E,Z)-3-((2-aminoethoxy)imino)androstane-6,17-dione hydrochloride].
2005 Apr
5alpha-reductase in human embryonic kidney cell line HEK293: evidence for type II enzyme expression and activity.
2005 Feb
Isotopic fractionation of endogenous anabolic androgenic steroids and its relationship to doping control in sports.
2005 Jan
In vitro biosynthesis of novel 5beta-reduced steroids by the testis of the round goby, Neogobius melanostomus.
2005 Jan 1
Formation of 19-norsteroids by in situ demethylation of endogenous steroids in stored urine samples.
2005 Jul
Urinary marker of oral pregnenolone administration.
2005 Mar
Investigation of the feeding effect on the 13C/12C isotope ratio of the hormones in bovine urine using gas chromatography/combustion isotope ratio mass spectrometry.
2005 Mar 4
Hypothalamic-pituitary-adrenal axis modulation of GABAergic neuroactive steroids influences ethanol sensitivity and drinking behavior.
2006
A phase 1-2 dose-escalating study evaluating the safety and tolerability of istaroxime and specific effects on electrocardiographic and hemodynamic parameters in patients with chronic heart failure with reduced systolic function.
2007 Jan 22
Hemodynamic properties of a new-generation positive luso-inotropic agent for the acute treatment of advanced heart failure.
2007 Jan 22
Natural and enantiomeric etiocholanolone interact with distinct sites on the rat alpha1beta2gamma2L GABAA receptor.
2007 Jun
Istaroxime, a novel luso-inotropic agent for the treatment of acute heart failure.
2007 Sep
Neurosteroid analogues. 12. Potent enhancement of GABA-mediated chloride currents at GABAA receptors by ent-androgens.
2008 Jan
Isolation and quantification by high-performance liquid chromatography-ion-trap mass spectrometry of androgen sulfoconjugates in human urine.
2008 Jul 4
Hemodynamic, echocardiographic, and neurohormonal effects of istaroxime, a novel intravenous inotropic and lusitropic agent: a randomized controlled trial in patients hospitalized with heart failure.
2008 Jun 10
Short term impact of Tribulus terrestris intake on doping control analysis of endogenous steroids.
2008 Jun 10
Sympathomimetic inefficiency in restoring contractility in the acute or chronic beta-blocker-treated ischaemic heart: comparison with a new agent.
2008 Oct
Istaroxime, a first in class new chemical entity exhibiting SERCA-2 activation and Na-K-ATPase inhibition: a new promising treatment for acute heart failure syndromes?
2009 Dec
Patents

Sample Use Guides

After increasing diastolic blood pressure (DBP) in rats by a continuous infusion of norepinephrine (0.059 uM/kg/min), intravenous bolus injections of etiocholanolone (5-25 uM/kg) produced dose-dependent vasodepressor responses. Etiocholanolone (intraperitoneal injection) have anticonvulsant properties in rodent models of epilepsy: it was active in the 6-Hz and pentylenetetrazol models (ED50 values, 76.9 and 139 mg/kg, respectively),
Route of Administration: Other
10-100 uM etiocholanolone in a dose- and time-dependent manner has an anti-proliferative action on human cancer cell lines.
Name Type Language
J4.146G
Preferred Name English
ETIOCHOLANOLONE
Common Name English
3.ALPHA.-HYDROXY-5.BETA.-ANDROSTAN-17-ONE
Systematic Name English
5.BETA.-ANDROSTERONE
Common Name English
5.BETA.-ANDROSTAN-17-ONE, 3.ALPHA.-HYDROXY-
Systematic Name English
AETIOCHOLANOLONE
Common Name English
.ALPHA.-ETIOCHOLANOLONE
Common Name English
ETIOCHOLAN-3.ALPHA.-OL-17-ONE
Common Name English
NSC-50908
Code English
5-ISOANDROSTERONE
Common Name English
Classification Tree Code System Code
LOINC 82850-9
Created by admin on Mon Mar 31 18:24:41 GMT 2025 , Edited by admin on Mon Mar 31 18:24:41 GMT 2025
NCI_THESAURUS C2139
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LOINC 34301-2
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LOINC 34303-8
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LOINC 15065-6
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LOINC 2266-5
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NCI_THESAURUS C2298
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LOINC 30508-6
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LOINC 82847-5
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LOINC 82851-7
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CFR 21 CFR 862.1285
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LOINC 56488-0
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LOINC 82846-7
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LOINC 13614-3
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LOINC 82881-4
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LOINC 82852-5
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LOINC 2268-1
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LOINC 44355-6
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LOINC 82882-2
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LOINC 2267-3
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LOINC 34302-0
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LOINC 80157-1
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LOINC 82853-3
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Code System Code Type Description
NSC
50908
Created by admin on Mon Mar 31 18:24:41 GMT 2025 , Edited by admin on Mon Mar 31 18:24:41 GMT 2025
PRIMARY
EPA CompTox
DTXSID001018919
Created by admin on Mon Mar 31 18:24:41 GMT 2025 , Edited by admin on Mon Mar 31 18:24:41 GMT 2025
PRIMARY
NCI_THESAURUS
C29023
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PRIMARY
CHEBI
28195
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PRIMARY
MESH
D005043
Created by admin on Mon Mar 31 18:24:41 GMT 2025 , Edited by admin on Mon Mar 31 18:24:41 GMT 2025
PRIMARY
WIKIPEDIA
ETIOCHOLANOLONE
Created by admin on Mon Mar 31 18:24:41 GMT 2025 , Edited by admin on Mon Mar 31 18:24:41 GMT 2025
PRIMARY
PUBCHEM
5880
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PRIMARY
DRUG BANK
DB02854
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PRIMARY
CAS
53-42-9
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PRIMARY
FDA UNII
97CGB1M48I
Created by admin on Mon Mar 31 18:24:41 GMT 2025 , Edited by admin on Mon Mar 31 18:24:41 GMT 2025
PRIMARY