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

Details

Stereochemistry ACHIRAL
Molecular Formula C12H13Cl2N3O3
Molecular Weight 318.156
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of ETIGUANFACINE

SMILES

CCOC(=O)NC(=N)NC(=O)CC1=C(Cl)C=CC=C1Cl

InChI

InChIKey=NWKJFUNUXVXYGE-UHFFFAOYSA-N
InChI=1S/C12H13Cl2N3O3/c1-2-20-12(19)17-11(15)16-10(18)6-7-8(13)4-3-5-9(7)14/h3-5H,2,6H2,1H3,(H3,15,16,17,18,19)

HIDE SMILES / InChI

Molecular Formula C12H13Cl2N3O3
Molecular Weight 318.156
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

TargetsConditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Primary
TENEX

Approved Use

Tenex (guanfacine hydrochloride) is indicated in the management of hypertension. Tenex may be given alone or in combination with other antihypertensive agents, especially thiazide-type diuretics.

Launch Date

1986
Primary
TENEX

Approved Use

INTUNIV® is a central alpha2A-adrenergic receptor agonist indicated for the treatment of Attention Deficit Hyperactivity Disorder (ADHD) as monotherapy and as adjunctive therapy to stimulant medications

Launch Date

1986
Cmax

Cmax

ValueDoseCo-administeredAnalytePopulation
7 ng/mL
4 mg 1 times / day multiple, oral
dose: 4 mg
route of administration: Oral
experiment type: MULTIPLE
co-administered:
GUANFACINE plasma
Homo sapiens
population: UNKNOWN
age: ADOLESCENT
sex: UNKNOWN
food status: UNKNOWN
10 ng/mL
4 mg 1 times / day multiple, oral
dose: 4 mg
route of administration: Oral
experiment type: MULTIPLE
co-administered:
GUANFACINE plasma
Homo sapiens
population: UNKNOWN
age: CHILD
sex: UNKNOWN
food status: UNKNOWN
2.5 ng/mL
1 mg 1 times / day multiple, oral
dose: 1 mg
route of administration: Oral
experiment type: MULTIPLE
co-administered:
GUANFACINE plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
AUC

AUC

ValueDoseCo-administeredAnalytePopulation
116 ng × h/mL
4 mg 1 times / day multiple, oral
dose: 4 mg
route of administration: Oral
experiment type: MULTIPLE
co-administered:
GUANFACINE plasma
Homo sapiens
population: UNKNOWN
age: ADOLESCENT
sex: UNKNOWN
food status: UNKNOWN
162 ng × h/mL
4 mg 1 times / day multiple, oral
dose: 4 mg
route of administration: Oral
experiment type: MULTIPLE
co-administered:
GUANFACINE plasma
Homo sapiens
population: UNKNOWN
age: CHILD
sex: UNKNOWN
food status: UNKNOWN
56 ng × h/mL
1 mg 1 times / day multiple, oral
dose: 1 mg
route of administration: Oral
experiment type: MULTIPLE
co-administered:
GUANFACINE plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
T1/2

T1/2

ValueDoseCo-administeredAnalytePopulation
16 h
1 mg 1 times / day multiple, oral
dose: 1 mg
route of administration: Oral
experiment type: MULTIPLE
co-administered:
GUANFACINE plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
Funbound

Funbound

ValueDoseCo-administeredAnalytePopulation
30%
1 mg 1 times / day multiple, oral
dose: 1 mg
route of administration: Oral
experiment type: MULTIPLE
co-administered:
GUANFACINE plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
Doses

Doses

DosePopulationAdverse events​
12 mg single, oral
Overdose
Dose: 12 mg
Route: oral
Route: single
Dose: 12 mg
Sources:
unhealthy, 12 years
n = 1
Health Status: unhealthy
Condition: ADHD and Tourette syndrome
Age Group: 12 years
Sex: M
Population Size: 1
Sources:
Disc. AE: Hypertensive...
AEs leading to
discontinuation/dose reduction:
Hypertensive (1%)
Sources:
80 mg single, oral
Overdose
Dose: 80 mg
Route: oral
Route: single
Dose: 80 mg
Sources:
unhealthy, 17 years
n = 1
Health Status: unhealthy
Condition: ADHD
Age Group: 17 years
Sex: M
Population Size: 1
Sources:
Disc. AE: Cardiogenic pulmonary edema...
AEs leading to
discontinuation/dose reduction:
Cardiogenic pulmonary edema (1%)
Sources:
4 mg 1 times / day steady, oral
Recommended
Dose: 4 mg, 1 times / day
Route: oral
Route: steady
Dose: 4 mg, 1 times / day
Sources:
unhealthy, children and adolescents
n = 513
Health Status: unhealthy
Condition: ADHD
Age Group: children and adolescents
Sex: M+F
Population Size: 513
Sources:
Disc. AE: Somnolence, Fatigue...
AEs leading to
discontinuation/dose reduction:
Somnolence (6%)
Fatigue (2%)
Hypotension (1%)
Headache (1%)
Dizziness (1%)
Sources:
4 mg 1 times / day steady, oral
Dose: 4 mg, 1 times / day
Route: oral
Route: steady
Dose: 4 mg, 1 times / day
Sources:
unhealthy, children
n = 16
Health Status: unhealthy
Condition: Attention Deficit Hyperactivity Disorder
Age Group: children
Population Size: 16
Sources:
Other AEs: Sedation, Fatigue...
Other AEs:
Sedation (below serious, 5 patients)
Fatigue (below serious, 3 patients)
Sources:
AEs

AEs

AESignificanceDosePopulation
Hypertensive 1%
Disc. AE
12 mg single, oral
Overdose
Dose: 12 mg
Route: oral
Route: single
Dose: 12 mg
Sources:
unhealthy, 12 years
n = 1
Health Status: unhealthy
Condition: ADHD and Tourette syndrome
Age Group: 12 years
Sex: M
Population Size: 1
Sources:
Cardiogenic pulmonary edema 1%
Disc. AE
80 mg single, oral
Overdose
Dose: 80 mg
Route: oral
Route: single
Dose: 80 mg
Sources:
unhealthy, 17 years
n = 1
Health Status: unhealthy
Condition: ADHD
Age Group: 17 years
Sex: M
Population Size: 1
Sources:
Dizziness 1%
Disc. AE
4 mg 1 times / day steady, oral
Recommended
Dose: 4 mg, 1 times / day
Route: oral
Route: steady
Dose: 4 mg, 1 times / day
Sources:
unhealthy, children and adolescents
n = 513
Health Status: unhealthy
Condition: ADHD
Age Group: children and adolescents
Sex: M+F
Population Size: 513
Sources:
Headache 1%
Disc. AE
4 mg 1 times / day steady, oral
Recommended
Dose: 4 mg, 1 times / day
Route: oral
Route: steady
Dose: 4 mg, 1 times / day
Sources:
unhealthy, children and adolescents
n = 513
Health Status: unhealthy
Condition: ADHD
Age Group: children and adolescents
Sex: M+F
Population Size: 513
Sources:
Hypotension 1%
Disc. AE
4 mg 1 times / day steady, oral
Recommended
Dose: 4 mg, 1 times / day
Route: oral
Route: steady
Dose: 4 mg, 1 times / day
Sources:
unhealthy, children and adolescents
n = 513
Health Status: unhealthy
Condition: ADHD
Age Group: children and adolescents
Sex: M+F
Population Size: 513
Sources:
Fatigue 2%
Disc. AE
4 mg 1 times / day steady, oral
Recommended
Dose: 4 mg, 1 times / day
Route: oral
Route: steady
Dose: 4 mg, 1 times / day
Sources:
unhealthy, children and adolescents
n = 513
Health Status: unhealthy
Condition: ADHD
Age Group: children and adolescents
Sex: M+F
Population Size: 513
Sources:
Somnolence 6%
Disc. AE
4 mg 1 times / day steady, oral
Recommended
Dose: 4 mg, 1 times / day
Route: oral
Route: steady
Dose: 4 mg, 1 times / day
Sources:
unhealthy, children and adolescents
n = 513
Health Status: unhealthy
Condition: ADHD
Age Group: children and adolescents
Sex: M+F
Population Size: 513
Sources:
Fatigue below serious, 3 patients
4 mg 1 times / day steady, oral
Dose: 4 mg, 1 times / day
Route: oral
Route: steady
Dose: 4 mg, 1 times / day
Sources:
unhealthy, children
n = 16
Health Status: unhealthy
Condition: Attention Deficit Hyperactivity Disorder
Age Group: children
Population Size: 16
Sources:
Sedation below serious, 5 patients
4 mg 1 times / day steady, oral
Dose: 4 mg, 1 times / day
Route: oral
Route: steady
Dose: 4 mg, 1 times / day
Sources:
unhealthy, children
n = 16
Health Status: unhealthy
Condition: Attention Deficit Hyperactivity Disorder
Age Group: children
Population Size: 16
Sources:
Overview

Overview

Drug as perpetrator​Drug as victim

Drug as victim

TargetModalityActivityMetaboliteClinical evidence
major
yes (co-administration study)
Comment: There was a significant decrease in the rate and extent of guanfacine exposure when co-administered with rifampin, a CYP3A4 inducer. The exposure to guanfacine decreased by 70% (AUC)
Page: 10.0
weak
yes
yes (co-administration study)
Comment: There was a substantial increase in the rate and extent of guanfacine exposure when administered with ketoconazole; the guanfacine exposure increased 3-fold (AUC)
Page: 10.0
Tox targets

Tox targets

Sourcing

Sourcing

Vendor/AggregatorIDURL
PubMed

PubMed

TitleDatePubMed
[Effect of 5-month guanfacine treatment on the renin-angiotensin-aldosterone system and some metabolic factors in patients with diabetes mellitus type II and hypertension].
1992 Nov 16-30
Pharmacological options for the treatment of Tourette's disorder.
2001
Respiratory pattern and hypoxic ventilatory response in mice functionally lacking alpha2A-adrenergic receptors.
2001
Pharmacokinetic and pharmacodynamic drug interactions in the treatment of attention-deficit hyperactivity disorder.
2001
Tourette syndrome: clinical characteristics and current management strategies.
2001
Alpha2A-adrenoceptor mediated tachypnea in awake goats.
2001 Apr
Effects of alpha(2)-adrenergic agonists on lipopolysaccharide-induced aqueous flare elevation in pigmented rabbits.
2001 May-Jun
Clonidine-induced nitric oxide-dependent vasorelaxation mediated by endothelial alpha(2)-adrenoceptor activation.
2001 Nov
Guanfacine treatment of cognitive impairment in schizophrenia.
2001 Sep
[Prescribing ritalin in combined modality management of hyperactivity with attention deficit].
2001 Sep-Oct
Effects of rilmenidine and guanfacine in acute renal denervated rats.
2002
Role of alpha 2-adrenoceptors and imidazoline receptors in the A5 region in the regulation of renal function in the rat.
2002
Testosterone dependence of salt-induced hypertension in Sabra rats and role of renal alpha(2)-adrenoceptor subtypes.
2002 Jan
Actions of alpha-2 noradrenergic agonists on spatial working memory and blood pressure in rhesus monkeys appear to be mediated by the same receptor subtype.
2002 Jul
Imidazoline drugs stabilize lysosomes and inhibit oxidative cytotoxicity in astrocytes.
2002 Mar 1
Seizures and extrapyramidal symptoms in a patient with Tourette's syndrome, Asperger's syndrome, and multiple sclerosis treated with interferon beta-1a and clomipramine.
2002 Nov
Epidemiology and toxicity of pediatric guanfacine exposures.
2002 Nov
Neuropsychiatric effects of guanfacine in children with mild tourette syndrome: a pilot study.
2002 Nov-Dec
Psychopharmacology of ADHD in adolescents.
2002 Oct
Mutation of the alpha2A-adrenoceptor impairs working memory performance and annuls cognitive enhancement by guanfacine.
2002 Oct 1
Enhancement of alpha-adrenoceptor-mediated responses in prostate of testosterone-treated rat.
2002 Oct 25
Assessing the molecular genetics of attention networks.
2002 Oct 4
Why have drug treatments been so disappointing?
2003
Non-stimulant treatment of attention-deficit/hyperactivity disorder.
2003 Apr
Stimulation of interleukin-12 production in mouse macrophages via activation of p38 mitogen-activated protein kinase by alpha2-adrenoceptor agonists.
2003 Apr 25
Frontotemporal dementias: clinical features and management.
2003 Jan
Pharmacological characterization of unique prazosin-binding sites in human kidney.
2003 Jul
The alpha2-adrenergic agonist guanfacine reduces excitability of human motor cortex through disfacilitation and increase of inhibition.
2003 Oct
Epinephrine reduces the nerve conduction blockage induced by high-potassium in mammalian sciatic nerve.
2003 Sep 5
Pharmacotherapy of pervasive developmental disorders in children and adolescents.
2004
The Leeds Evaluation of Efficacy of Detoxification Study (LEEDS) project: an open-label pragmatic randomised control trial comparing the efficacy of differing therapeutic agents for primary care detoxification from either street heroin or methadone [ISRCTN07752728].
2004 Apr 29
[Tourette syndrome: an analysis of its comorbidity and specific treatment].
2004 Feb
The alpha(2A)-adrenergic agonist guanfacine improves visuomotor associative learning in monkeys.
2004 Jan
Evidence-based pharmacotherapy for attention-deficit hyperactivity disorder.
2004 Mar
Loss of glutamatergic pyramidal neurons in frontal and temporal cortex resulting from attenuation of FGFR1 signaling is associated with spontaneous hyperactivity in mice.
2004 Mar 3
Potential noradrenergic targets for cognitive enhancement in schizophrenia.
2004 May
Noradrenergic alpha-2 agonists have anxiolytic-like actions on stress-related behavior and mesoprefrontal dopamine biochemistry.
2004 Nov 19
Methylphenidate an effective treatment for ADHD?
2004 Oct
Mania induction associated with atomoxetine.
2004 Oct
Alpha2 adrenergic agonists for the management of opioid withdrawal.
2004 Oct 18
Clonidine and guanfacine-induced antinociception in visceral pain: possible role of alpha 2/I2 binding sites.
2004 Oct 6
Aripiprazole in children and adolescents: clinical experience.
2005 Jul
G-protein-coupled alpha2A-adrenoreceptor agonists differentially alter citrus leaf and fruit abscission by affecting expression of ACC synthase and ACC oxidase.
2005 Jul
Yohimbine disrupts prepulse inhibition in rats via action at 5-HT1A receptors, not alpha2-adrenoceptors.
2005 Jul
An open-label, prospective study of guanfacine in children with ADHD and tic disorders.
2005 Nov
Recent pharmacologic updates.
2005 Oct
Central sympathetic inhibition augments sleep-related ultradian rhythm of parasympathetic tone in patients with chronic heart failure.
2005 Sep
Mechanism of action of agents used in attention-deficit/hyperactivity disorder.
2006
Syncope in children with Tourette's syndrome treated with guanfacine.
2006 Mar
Differential noradrenergic influence on seizure expression in genetically Fast and Slow kindling rat strains during massed trial stimulation of the amygdala.
2007 Feb
Patents

Sample Use Guides

Usual Adult Dose for Hypertension Initial dose: 1 mg orally once a day at bedtime; may increase to 2 mg once a day if satisfactory result not achieved after 3 to 4 weeks. Usual Pediatric Dose for Attention Deficit Disorder 6 YEARS TO LESS THAN 18 YEARS: Initial dose: 1 mg orally once a day, either in the morning or evening, at approximately the same time each day; may adjust in increments of no more than 1 mg/week. Recommended target dose: 0.05 to 0.12 mg/kg/day (total daily dose between 1 and 7 mg) once a day, depending on clinical response and tolerability Maximum dose: 6 to 12 years: Doses above 4 mg/day have not been evaluated; 13 to 17 years: Doses above 7 mg/day have not been evaluated.
Route of Administration: Oral
In Vitro Use Guide
Guanfacine and clonidine at relatively high concentrations (10(-6)-10(-4) M) produced contractions of the rat vas deferens which were antagonized by prazosin.
Substance Class Chemical
Created
by admin
on Sat Dec 16 01:41:57 GMT 2023
Edited
by admin
on Sat Dec 16 01:41:57 GMT 2023
Record UNII
48412X0J21
Record Status Validated (UNII)
Record Version
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Name Type Language
ETIGUANFACINE
INN   USAN   WHO-DD  
USAN   INN  
Official Name English
Etiguanfacine [WHO-DD]
Common Name English
SSP-1871
Code English
CARBAMIC ACID, N-(((2-(2,6-DICHLOROPHENYL)ACETYL)AMINO)IMINOMETHYL)-, ETHYL ESTER
Systematic Name English
etiguanfacine [INN]
Common Name English
ETIGUANFACINE [USAN]
Common Name English
Ethyl {[2-(2,6-dichlorophenyl)acetyl]carbamimidoyl}carbamate
Systematic Name English
Code System Code Type Description
ChEMBL
CHEMBL3039532
Created by admin on Sat Dec 16 01:41:57 GMT 2023 , Edited by admin on Sat Dec 16 01:41:57 GMT 2023
PRIMARY
NCI_THESAURUS
C166737
Created by admin on Sat Dec 16 01:41:57 GMT 2023 , Edited by admin on Sat Dec 16 01:41:57 GMT 2023
PRIMARY
SMS_ID
300000034133
Created by admin on Sat Dec 16 01:41:57 GMT 2023 , Edited by admin on Sat Dec 16 01:41:57 GMT 2023
PRIMARY
PUBCHEM
56924631
Created by admin on Sat Dec 16 01:41:57 GMT 2023 , Edited by admin on Sat Dec 16 01:41:57 GMT 2023
PRIMARY
FDA UNII
48412X0J21
Created by admin on Sat Dec 16 01:41:57 GMT 2023 , Edited by admin on Sat Dec 16 01:41:57 GMT 2023
PRIMARY
USAN
ZZ-86
Created by admin on Sat Dec 16 01:41:57 GMT 2023 , Edited by admin on Sat Dec 16 01:41:57 GMT 2023
PRIMARY
INN
9807
Created by admin on Sat Dec 16 01:41:57 GMT 2023 , Edited by admin on Sat Dec 16 01:41:57 GMT 2023
PRIMARY
CAS
1346686-31-4
Created by admin on Sat Dec 16 01:41:57 GMT 2023 , Edited by admin on Sat Dec 16 01:41:57 GMT 2023
PRIMARY
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