Details
Stereochemistry | RACEMIC |
Molecular Formula | C12H18N2O4 |
Molecular Weight | 254.2823 |
Optical Activity | ( + / - ) |
Defined Stereocenters | 0 / 1 |
E/Z Centers | 0 |
Charge | 0 |
SHOW SMILES / InChI
SMILES
COC1=CC(C(O)CNC(=O)CN)=C(OC)C=C1
InChI
InChIKey=PTKSEFOSCHHMPD-UHFFFAOYSA-N
InChI=1S/C12H18N2O4/c1-17-8-3-4-11(18-2)9(5-8)10(15)7-14-12(16)6-13/h3-5,10,15H,6-7,13H2,1-2H3,(H,14,16)
DescriptionSources: http://www.drugbank.ca/drugs/DB00211Curator's Comment: Description was created based on several sources, including
https://www.drugs.com/pro/midodrine.html
Sources: http://www.drugbank.ca/drugs/DB00211
Curator's Comment: Description was created based on several sources, including
https://www.drugs.com/pro/midodrine.html
Midodrine is a prodrug, i.e., the therapeutic effect of orally administered midodrine is due to the major metabolite desglymidodrine formed by deglycination of midodrine. Desglymidodrine diffuses poorly across the blood-brain barrier, and is therefore not associated with effects on the central nervous system. Administration of midodrine results in a rise in standing, sitting, and supine systolic and diastolic blood pressure in patients with orthostatic hypotension of various etiologies. Standing systolic blood pressure is elevated by approximately 15 to 30 mmHg at 1 hour after a 10-mg dose of midodrine, with some effect persisting for 2 to 3 hours. Midodrine has no clinically significant effect on standing or supine pulse rates in patients with autonomic failure. Midodrine forms an active metabolite, desglymidodrine, that is an alpha1-agonist, and exerts its actions via activation of the alpha-adrenergic receptors of the arteriolar and venous vasculature, producing an increase in vascular tone and elevation of blood pressure. Desglymidodrine does not stimulate cardiac beta-adrenergic receptors. Midodrine is used for the treatment of symptomatic orthostatic hypotension (OH). Midodrine is marketed under the brand names Amatine, ProAmatine, Gutron.
CNS Activity
Sources: https://www.ncbi.nlm.nih.gov/pubmed/2452997
Curator's Comment: does not cross the blood-brain barrier
Originator
Approval Year
Targets
Primary Target | Pharmacology | Condition | Potency |
---|---|---|---|
Target ID: CHEMBL229 Sources: http://www.drugbank.ca/drugs/DB00211 |
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Target ID: CHEMBL232 Sources: http://www.drugbank.ca/drugs/DB00211 |
Conditions
Condition | Modality | Targets | Highest Phase | Product |
---|---|---|---|---|
Primary | ORVATEN Approved Useindicated for the treatment of symptomatic orthostatic hypotension Launch Date2004 |
Cmax
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
21 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/26597181 |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
MIDODRINE HYDROCHLORIDE plasma | Homo sapiens population: UNHEALTHY age: ADULT sex: FEMALE / MALE food status: FASTED |
|
2.2 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/26597181 |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
MIDODRINE HYDROCHLORIDE plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE / MALE food status: FASTED |
AUC
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
18.5 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/26597181 |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
MIDODRINE HYDROCHLORIDE plasma | Homo sapiens population: UNHEALTHY age: ADULT sex: FEMALE / MALE food status: FASTED |
|
2.5 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/26597181 |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
MIDODRINE HYDROCHLORIDE plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE / MALE food status: FASTED |
T1/2
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
0.54 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/26597181 |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
MIDODRINE HYDROCHLORIDE plasma | Homo sapiens population: UNHEALTHY age: ADULT sex: FEMALE / MALE food status: FASTED |
|
0.6 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/26597181 |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
MIDODRINE HYDROCHLORIDE plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE / MALE food status: FASTED |
Funbound
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
100% EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/26597181 |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
MIDODRINE HYDROCHLORIDE plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE / MALE food status: FASTED |
Doses
Dose | Population | Adverse events |
---|---|---|
350 mg single, oral Overdose |
unhealthy, 20 years n = 1 Health Status: unhealthy Age Group: 20 years Sex: F Population Size: 1 Sources: |
Other AEs: Hypertension, Bradycardia... Other AEs: Hypertension (severe, 1 patient) Sources: Bradycardia (1 patient) |
90 mg 1 times / day steady, oral Highest studied dose Dose: 90 mg, 1 times / day Route: oral Route: steady Dose: 90 mg, 1 times / day Sources: |
unhealthy, 49 years n = 1 Health Status: unhealthy Condition: hypotension Age Group: 49 years Sex: M Population Size: 1 Sources: |
|
2.5 mg single, intravenous Dose: 2.5 mg Route: intravenous Route: single Dose: 2.5 mg Sources: |
healthy, adult n = 12 Health Status: healthy Age Group: adult Sex: M Population Size: 12 Sources: |
|
205 mg single, oral Overdose Dose: 205 mg Route: oral Route: single Dose: 205 mg Sources: |
unknown n = 1 Health Status: unknown Population Size: 1 Sources: |
Other AEs: Lethargic... Other AEs: Lethargic (1 patient) Sources: |
250 mg single, oral Overdose Dose: 250 mg Route: oral Route: single Dose: 250 mg Sources: |
unknown n = 1 Health Status: unknown Population Size: 1 Sources: |
Other AEs: Blood pressure systolic increased... Other AEs: Blood pressure systolic increased (1 patient) Sources: |
10 mg 3 times / day steady, oral Recommended Dose: 10 mg, 3 times / day Route: oral Route: steady Dose: 10 mg, 3 times / day Sources: |
unhealthy n = 1 Health Status: unhealthy Population Size: 1 Sources: |
Disc. AE: Supine hypertension... AEs leading to discontinuation/dose reduction: Supine hypertension Sources: |
7.5 mg 1 times / day steady, oral Dose: 7.5 mg, 1 times / day Route: oral Route: steady Dose: 7.5 mg, 1 times / day Sources: |
unhealthy n = 2 |
Other AEs: Pancytopenia... |
AEs
AE | Significance | Dose | Population |
---|---|---|---|
Bradycardia | 1 patient | 350 mg single, oral Overdose |
unhealthy, 20 years n = 1 Health Status: unhealthy Age Group: 20 years Sex: F Population Size: 1 Sources: |
Hypertension | severe, 1 patient | 350 mg single, oral Overdose |
unhealthy, 20 years n = 1 Health Status: unhealthy Age Group: 20 years Sex: F Population Size: 1 Sources: |
Lethargic | 1 patient | 205 mg single, oral Overdose Dose: 205 mg Route: oral Route: single Dose: 205 mg Sources: |
unknown n = 1 Health Status: unknown Population Size: 1 Sources: |
Blood pressure systolic increased | 1 patient | 250 mg single, oral Overdose Dose: 250 mg Route: oral Route: single Dose: 250 mg Sources: |
unknown n = 1 Health Status: unknown Population Size: 1 Sources: |
Supine hypertension | Disc. AE | 10 mg 3 times / day steady, oral Recommended Dose: 10 mg, 3 times / day Route: oral Route: steady Dose: 10 mg, 3 times / day Sources: |
unhealthy n = 1 Health Status: unhealthy Population Size: 1 Sources: |
Pancytopenia | 2 patients | 7.5 mg 1 times / day steady, oral Dose: 7.5 mg, 1 times / day Route: oral Route: steady Dose: 7.5 mg, 1 times / day Sources: |
unhealthy n = 2 |
PubMed
Title | Date | PubMed |
---|---|---|
Effect of midodrine on chlorpromazine-induced orthostatic hypotension in rabbits: comparison with amezinium, etilefrine and droxidopa. | 2000 Dec |
|
Orthostatic hypotension in patients with Parkinson's disease: pathophysiology and management. | 2001 |
|
Syncope in pharmacologically unmasked Brugada syndrome: indication for an implantable defibrillator or an unresolved dilemma? | 2001 Apr |
|
Usefulness of midodrine in patients with severely symptomatic neurocardiogenic syncope: a randomized control study. | 2001 Aug |
|
[Pharmacologic stimulation of ejaculation with midodrine hydrochloride (Gutron) for medically assisted reproduction in spinal injury]. | 2001 Dec |
|
Treatment of Severe Intradialytic Hypotension With the Addition of High Dialysate Calcium Concentration to Midodrine and/or Cool Dialysate. | 2001 Feb |
|
Midodrine prevents orthostatic intolerance associated with simulated spaceflight. | 2001 Jun |
|
Midodrine for the management of orthostatic hypotension in patients with spinal cord injury: A case report. | 2001 May |
|
Acarbose improved severe postprandial hypotension in a patient with diabetes mellitus. | 2001 May-Jun |
|
Computer systems analysis of the cardiovascular mechanisms of reentry orthostasis in astronauts. | 2002 |
|
Strategy for the management of vasovagal syncope. | 2002 |
|
Treatment of orthostatic hypotension. | 2002 Dec |
|
[Syncope - a systematic overview of classification, pathogenesis, diagnosis and management]. | 2002 Feb |
|
Chronic hypotension in the dialysis patient. | 2002 Jul-Aug |
|
N-[3-(1H-imidazol-4-ylmethyl)phenyl]ethanesulfonamide (ABT-866, 1),(1) a novel alpha(1)-adrenoceptor ligand with an enhanced in vitro and in vivo profile relative to phenylpropanolamine and midodrine. | 2002 Sep 26 |
|
A pilot randomized trial of induced blood pressure elevation: effects on function and focal perfusion in acute and subacute stroke. | 2003 |
|
Neurocardiogenic syncope in children : current concepts in diagnosis and management. | 2003 |
|
[Blood pressure disorders during idiopathic Parkinson's disease]. | 2003 Aug 9 |
|
Efficacy and safety of midodrine in the treatment of dialysis-associated hypotension. | 2003 Jan |
|
Drug treatment of orthostatic hypotension and vasovagal syncope. | 2003 Jan-Feb |
|
Hepatorenal syndrome. | 2003 Jan-Mar |
|
Randomized clinical trials of neurally mediated syncope. | 2003 Sep |
|
Double-blinded, placebo-controlled trial of midodrine for exercise performance enhancement in tetraplegia: a pilot study. | 2004 |
|
Dysautonomia in chronic fatigue syndrome: facts, hypotheses, implications. | 2004 |
|
Reconsidering hepatorenal syndrome. Throw in the towel? Not so fast! | 2004 Dec |
|
Chiral investigation of midodrine, a long-acting alpha-adrenergic stimulating agent. | 2004 Jul |
|
Taste and smell disturbance with the alpha-adrenoceptor agonist midodrine. | 2004 Nov |
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Effects of midodrine on exercise-induced hypotension and blood pressure recovery in autonomic failure. | 2004 Nov |
|
Midodrine appears to be safe and effective for dialysis-induced hypotension: a systematic review. | 2004 Oct |
|
A patient responding to combined therapy with pirmenol and midodrine for refractory neurally mediated syncope complicated by prostatic hypertrophy. | 2004 Sep |
|
New approaches to the treatment and prevention of neurally mediated reflex (neurocardiogenic) syncope. | 2004 Sep |
|
Effects of therapy based on tilt testing results on the long-term outcome in patients with syncope. | 2005 Jul |
|
Adrenergic drugs for urinary incontinence in adults. | 2005 Jul 20 |
|
Consequences of cardiovascular adaptation to spaceflight: implications for the use of pharmacological countermeasures. | 2005 Jun |
|
[Diabetes mellitus and orthostatic intolerance]. | 2005 Jun |
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Pregnancy in postural orthostatic tachycardia syndrome. | 2005 Jun |
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Successful treatment of hypotension associated with stunned myocardium with oral midodrine therapy. | 2005 Mar |
|
Effect of mineralocorticoids on interdialytic weight gain in hemodialysis patients with perdialytic hypotension. | 2005 Oct |
|
[Pharmacotherapy of stress incontinence]. | 2005 Oct 14 |
|
Heat-related morbidity in patients with orthostatic hypotension and primary autonomic failure. | 2005 Sep |
Patents
Sample Use Guides
In Vivo Use Guide
Sources: https://www.drugs.com/dosage/midodrine.html
10 mg orally three times a day. Do not give more frequently than every 3 hours, after the evening meal, or less than 4 hours before bedtime.
Route of Administration:
Oral
In Vitro Use Guide
Sources: https://www.ncbi.nlm.nih.gov/pubmed/61715
A decrease in atrial rate was elicited by high concentrations (above 10(-4) to 10(-3) M) of the sympathomimetic agent midodrine in guinea-pig right atrial preparation
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NDF-RT |
N0000175552
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NCI_THESAURUS |
C29709
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NDF-RT |
N0000000209
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C01CA17
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QC01CA17
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7240
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DB00211
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6933
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C61846
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m7533
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CHEMBL1201212
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255-945-3
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1803
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Midodrine
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100000080628
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METABOLITE ACTIVE (PRODRUG)
SALT/SOLVATE (PARENT)
SUBSTANCE RECORD