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
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)
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 |
Approval Year
Targets
Primary Target | Pharmacology | Condition | Potency |
---|---|---|---|
Target ID: CHEMBL1867 |
7.03 null [pKi] |
Conditions
Condition | Modality | Targets | Highest Phase | Product |
---|---|---|---|---|
Primary | TENEX Approved UseTenex (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 Date1986 |
|||
Primary | TENEX Approved UseINTUNIV® 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 Date1986 |
Cmax
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
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
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
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
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
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
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
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
Dose | Population | Adverse events |
---|---|---|
12 mg single, oral Overdose |
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 |
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%) Sources: Fatigue (2%) Hypotension (1%) Headache (1%) Dizziness (1%) |
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) Sources: Fatigue (below serious, 3 patients) |
AEs
AE | Significance | Dose | Population |
---|---|---|---|
Hypertensive | 1% Disc. AE |
12 mg single, oral Overdose |
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 |
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
CYP3A4 | CYP2C9 | CYP2D6 | hERG |
---|---|---|---|
OverviewOther
Other Inhibitor | Other Substrate | Other Inducer |
---|---|---|
Drug as perpetrator
Target | Modality | Activity | Metabolite | Clinical evidence |
---|---|---|---|---|
Page: 16.0 |
no | |||
Page: 15.0 |
no | |||
Page: 16.0 |
no | |||
Page: 16.0 |
no | |||
Page: 15.0 |
no | |||
Page: 15.0 |
no | |||
Page: 15.0 |
no | |||
Page: 15.0 |
no | |||
Page: 16.0 |
no | |||
Page: 15.0 |
no |
Drug as victim
Target | Modality | Activity | Metabolite | Clinical evidence |
---|---|---|---|---|
Page: 10.0 |
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 |
||
Page: 18.0 |
weak | |||
Page: 10.0 |
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
Target | Modality | Activity | Metabolite | Clinical evidence |
---|---|---|---|---|
PubMed
Title | Date | PubMed |
---|---|---|
[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
In Vivo Use Guide
Sources: https://www.drugs.com/dosage/guanfacine.html
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
Sources: https://www.ncbi.nlm.nih.gov/pubmed/2884339
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
Edited
Sat Dec 16 01:41:57 GMT 2023
by
admin
on
Sat Dec 16 01:41:57 GMT 2023
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Record UNII |
48412X0J21
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Record Status |
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Record Version |
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CHEMBL3039532
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C166737
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300000034133
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56924631
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48412X0J21
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ZZ-86
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9807
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1346686-31-4
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