Details
Stereochemistry | ABSOLUTE |
Molecular Formula | 2C18H29NO2.H2O4S |
Molecular Weight | 680.935 |
Optical Activity | UNSPECIFIED |
Defined Stereocenters | 2 / 2 |
E/Z Centers | 0 |
Charge | 0 |
SHOW SMILES / InChI
SMILES
OS(O)(=O)=O.CC(C)(C)NC[C@H](O)COC1=C(C=CC=C1)C2CCCC2.CC(C)(C)NC[C@H](O)COC3=C(C=CC=C3)C4CCCC4
InChI
InChIKey=FEDSNBHHWZEYTP-ZFQYHYQMSA-N
InChI=1S/2C18H29NO2.H2O4S/c2*1-18(2,3)19-12-15(20)13-21-17-11-7-6-10-16(17)14-8-4-5-9-14;1-5(2,3)4/h2*6-7,10-11,14-15,19-20H,4-5,8-9,12-13H2,1-3H3;(H2,1,2,3,4)/t2*15-;/m00./s1
Molecular Formula | H2O4S |
Molecular Weight | 98.078 |
Charge | 0 |
Count |
|
Stereochemistry | ACHIRAL |
Additional Stereochemistry | No |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Optical Activity | NONE |
Molecular Formula | C18H29NO2 |
Molecular Weight | 291.4284 |
Charge | 0 |
Count |
|
Stereochemistry | ABSOLUTE |
Additional Stereochemistry | No |
Defined Stereocenters | 1 / 1 |
E/Z Centers | 0 |
Optical Activity | UNSPECIFIED |
Penbutolol is a new beta-adrenergic blocking drug approved for the treatment of hypertension. It is a noncardioselective beta-blocker and has intrinsic sympathomimetic activity. Penbutolol is marketed under the trade names Levatol, Levatolol, Lobeta, Paginol, Hostabloc, Betapressin. Penbutolol acts on the β1 adrenergic receptors in both the heart and the kidney. When β1 receptors are activated by catecholamines, they stimulate a coupled G protein that leads to the conversion of adenosine triphosphate (ATP) to cyclic adenosine monophosphate (cAMP). The increase in cAMP leads to activation of protein kinase A (PKA), which alters the movement of calcium ions in heart muscle and increases the heart rate. Penbutolol blocks the catecholamine activation of β1 adrenergic receptors and decreases heart rate, which lowers blood pressure. Levatol (Penbutolol) is indicated in the treatment of mild to moderate arterial hypertension. It may be used
alone or in combination with other antihypertensive agents, especially thiazide-type diuretics.
Approval Year
Targets
Primary Target | Pharmacology | Condition | Potency |
---|---|---|---|
Target ID: CHEMBL273 Sources: https://www.ncbi.nlm.nih.gov/pubmed/8568799 |
2.4 nM [Ki] |
Conditions
Condition | Modality | Targets | Highest Phase | Product |
---|---|---|---|---|
Primary | LEVATOL Approved UseLevatol® is indicated in the treatment of mild to moderate arterial hypertension. It may be used
alone or in combination with other antihypertensive agents, especially thiazide-type diuretics. Launch Date1987 |
Cmax
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
285 μg/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/2906875 |
40 mg single, oral dose: 40 mg route of administration: Oral experiment type: SINGLE co-administered: |
PENBUTOLOL blood | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: FASTED |
T1/2
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
1.21 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/2906875 |
40 mg single, oral dose: 40 mg route of administration: Oral experiment type: SINGLE co-administered: |
PENBUTOLOL blood | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: FASTED |
Funbound
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
2% |
40 mg single, oral dose: 40 mg route of administration: Oral experiment type: SINGLE co-administered: |
PENBUTOLOL plasma | Homo sapiens population: UNHEALTHY age: ADULT sex: UNKNOWN food status: UNKNOWN |
Doses
Dose | Population | Adverse events |
---|---|---|
4 mg 1 times / day single, intravenous Studied dose Dose: 4 mg, 1 times / day Route: intravenous Route: single Dose: 4 mg, 1 times / day Sources: |
unhealthy, 33- 62 years n = 10 Health Status: unhealthy Condition: ANGINA PECTORIS Age Group: 33- 62 years Sex: M Population Size: 10 Sources: |
|
120 mg 1 times / day steady, oral Studied dose Dose: 120 mg, 1 times / day Route: oral Route: steady Dose: 120 mg, 1 times / day Sources: |
unhealthy, 55.7 years (range: 43-64 years) n = 8 Health Status: unhealthy Age Group: 55.7 years (range: 43-64 years) Sex: M+F Population Size: 8 Sources: |
|
40 mg 1 times / day steady, oral Recommended Dose: 40 mg, 1 times / day Route: oral Route: steady Dose: 40 mg, 1 times / day Sources: |
unhealthy, adult n = 628 Health Status: unhealthy Age Group: adult Population Size: 628 Sources: |
Disc. AE: Asthenia, Nausea... AEs leading to discontinuation/dose reduction: Asthenia (0.6%) Sources: Nausea (0.8%) Depression (0.6%) Dizziness (0.6%) Headache (0.6%) |
AEs
AE | Significance | Dose | Population |
---|---|---|---|
Asthenia | 0.6% Disc. AE |
40 mg 1 times / day steady, oral Recommended Dose: 40 mg, 1 times / day Route: oral Route: steady Dose: 40 mg, 1 times / day Sources: |
unhealthy, adult n = 628 Health Status: unhealthy Age Group: adult Population Size: 628 Sources: |
Depression | 0.6% Disc. AE |
40 mg 1 times / day steady, oral Recommended Dose: 40 mg, 1 times / day Route: oral Route: steady Dose: 40 mg, 1 times / day Sources: |
unhealthy, adult n = 628 Health Status: unhealthy Age Group: adult Population Size: 628 Sources: |
Dizziness | 0.6% Disc. AE |
40 mg 1 times / day steady, oral Recommended Dose: 40 mg, 1 times / day Route: oral Route: steady Dose: 40 mg, 1 times / day Sources: |
unhealthy, adult n = 628 Health Status: unhealthy Age Group: adult Population Size: 628 Sources: |
Headache | 0.6% Disc. AE |
40 mg 1 times / day steady, oral Recommended Dose: 40 mg, 1 times / day Route: oral Route: steady Dose: 40 mg, 1 times / day Sources: |
unhealthy, adult n = 628 Health Status: unhealthy Age Group: adult Population Size: 628 Sources: |
Nausea | 0.8% Disc. AE |
40 mg 1 times / day steady, oral Recommended Dose: 40 mg, 1 times / day Route: oral Route: steady Dose: 40 mg, 1 times / day Sources: |
unhealthy, adult n = 628 Health Status: unhealthy Age Group: adult Population Size: 628 Sources: |
PubMed
Title | Date | PubMed |
---|---|---|
The effect of clonidine and penbutolol, respectively on catecholamines in blood and urine, plasma renin activity and urinary aldosterone in hypertensive patients. | 1975 Feb |
|
Clinical electrophysiological properties of penbutolol: a non-selective beta-blocking agent. | 1980 |
|
Single daily dose penbutolol in the treatment of hypertension: a double blind crossover comparison with propranolol. | 1980 Jun |
|
A comparative study of atenolol and penbutolol in hypertensive patients. | 1983 Jul |
|
Effect of oral penbutolol on renal haemodynamics of hypertensive patients with renal insufficiency. | 1985 Aug 28 |
|
[Validity of the use of penbutolol in essential arterial hypertension]. | 1990 Jun |
|
Decrease in penbutolol central response as a cause of changes in its serum protein binding. | 1990 Mar |
|
Penbutolol and carteolol: two new beta-adrenergic blockers with partial agonism. | 1990 May |
|
(-)-Penbutolol as a blocker of central 5-HT1A receptor-mediated responses. | 1992 Nov 3 |
|
Decrease in penbutolol protein binding as a consequence of treatment with some alkylating agents. | 1994 |
|
High-performance liquid chromatography with chemiluminescence detection of penbutolol and its hydroxylated metabolite in rat plasma. | 2001 Jun 15 |
|
5-HT receptor subtypes involved in the spinal antinociceptive effect of acetaminophen in rats. | 2001 Nov 30 |
|
[Pharmacology of beta blockers and their significance for therapy of hypertension]. | 2002 Aug |
|
Synthesis and evaluation of radiolabeled antagonists for imaging of beta-adrenoceptors in the brain with PET. | 2002 Feb |
|
Screening for library-assisted identification and fully validated quantification of 22 beta-blockers in blood plasma by liquid chromatography-mass spectrometry with atmospheric pressure chemical ionization. | 2004 Nov 26 |
|
Thermotropic liquid crystalline drugs. | 2005 Jul |
|
Clinical review: aggressive management and extracorporeal support for drug-induced cardiotoxicity. | 2007 |
|
Stereospecific high-performance liquid chromatographic analysis of tramadol and its O-demethylated (M1) and N,O-demethylated (M5) metabolites in human plasma. | 2007 Jun 1 |
|
Carvedilol in hypertension treatment. | 2008 |
|
[Simultaneous determination of nine beta-agonist residues in animal derived foods by ultra performance liquid chromatography-tandem mass spectrometry]. | 2008 Nov |
|
In vitro transdermal iontophoretic delivery of penbutolol sulfate. | 2009 Jan |
|
[Determination of fifteen beta-agonists in animal urine by high performance liquid chromatography-tandem mass spectrometry]. | 2010 Aug |
|
Development of a list of potentially inappropriate drugs for the korean elderly using the delphi method. | 2010 Dec |
Patents
Sample Use Guides
The usual starting and maintenance dose of Levatol (Penbutolol), used alone or in combination with other
antihypertensive agents, such as thiazide-type diuretics, is 20 mg given once daily.
Doses of 40 mg and 80 mg have been well-tolerated but have not been shown to give a greater
antihypertensive effect. The full effect of a 20- or 40-mg dose is seen by the end of 2 weeks. A
dose of 10 mg also lowers blood pressure, but the full effect is not seen for 4 to 6 weeks.
Route of Administration:
Oral
In Vitro Use Guide
Sources: https://www.ncbi.nlm.nih.gov/pubmed/8799555
Penbutolol (20 uM) significantly inhibited both the increase in [Ca2+]i and the cell-shape change induced by 15 uM LPC in rat isolated cardiomyocytes..
Substance Class |
Chemical
Created
by
admin
on
Edited
Fri Dec 15 15:11:29 GMT 2023
by
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Record UNII |
US71433228
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Record Status |
Validated (UNII)
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Record Version |
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NCI_THESAURUS |
C29576
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C47793
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CHEMBL1290
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253-906-5
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82070
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38363-32-5
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100000085542
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US71433228
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ACTIVE MOIETY |