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1. Beloc Duriles
2. Beloc-duriles
3. Betaloc
4. Betaloc Astra
5. Betaloc-astra
6. Betalok
7. Cgp 2175
8. Cgp-2175
9. Cgp2175
10. H 93 26
11. H 93-26
12. H 9326
13. Lopressor
14. Metoprolol Cr Xl
15. Metoprolol Cr-xl
16. Metoprolol Succinate
17. Metoprolol Tartrate
18. Seloken
19. Spesicor
20. Spesikor
21. Toprol
22. Toprol Xl
23. Toprol-xl
1. 51384-51-1
2. (rs)-metoprolol
3. Beatrolol
4. Dl-metoprolol
5. Spesicor
6. 37350-58-6
7. Seroken
8. Toprol
9. Metohexal
10. Preblok
11. Meijoprolol
12. Metoprololum
13. Presolol
14. Selo-zok
15. Loresor
16. Toprol-xl
17. 1-(isopropylamino)-3-(4-(2-methoxyethyl)phenoxy)propan-2-ol
18. Cgp 2175
19. Cgp-2175
20. 1-[4-(2-methoxyethyl)phenoxy]-3-(propan-2-ylamino)propan-2-ol
21. 1-(isopropylamino)-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol
22. 1-[4-(2-methoxyethyl)phenoxy]-3-propan-2-ylamino-propan-2-ol
23. (+/-)-metoprolol
24. Metoprolol Slow Release
25. Chembl13
26. Geb06nhm23
27. Chebi:6904
28. Betalok
29. Spesikor
30. 51384-51-1 (free Base)
31. 2-propanol, 1-(4-(2-methoxyethyl)phenoxy)-3-((1-methylethyl)amino)-
32. Lopresoretic
33. 2-propanol, 1-[4-(2-methoxyethyl)phenoxy]-3-[(1-methylethyl)amino]-
34. H-93/26
35. Metoprololum [inn-latin]
36. Metoprolol [usan:inn:ban]
37. Neobloc
38. Metrol
39. {2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]propyl}(propan-2-yl)amine
40. 1-[(1-methylethyl)amino]-3-({4-[2-(methyloxy)ethyl]phenyl}oxy)propan-2-ol
41. 2-propanol, 1-[4-(2-methoxyethyl)phenoxy]-3-[(1-methylethyl)amino]-, (.+/-.)-
42. Lopressidone
43. Ccris 4198
44. Hsdb 6531
45. Cgp2175
46. Metoprolol (usan/inn)
47. Unii-geb06nhm23
48. 1-(isopropylamino)-3-[4-(2-methoxyethyl)phenoxy]-2-propanol
49. 1-(4-(2-methoxyethyl)phenoxy)-3-(propan-2-ylamino)propan-2-ol
50. Metoprolol Tartarate
51. Einecs 257-166-4
52. Lopresol (salt/mix)
53. Metoprolol [mi]
54. Lopresoretic (salt/mix)
55. Metoprolol [inn]
56. (.+/-.)-metoprolol
57. Metoprolol [hsdb]
58. Metoprolol [usan]
59. Dsstox_cid_3309
60. Metoprolol [vandf]
61. Metoprolol [mart.]
62. Schembl4093
63. Metoprolol [who-dd]
64. Dsstox_gsid_23309
65. Gtpl553
66. H 93/26 (salt/mix)
67. Dtxsid2023309
68. Bdbm25756
69. Metoprolol, (+/-)-
70. Hms2090b15
71. Hms3886o04
72. Bca38451
73. Bcp09038
74. Gp-2175e
75. Tox21_303972
76. 1-[4-(2-methoxyethyl)phenoxy]-3-[(propan-2-yl)amino]propan-2-ol
77. Mfcd00599534
78. S5430
79. Stl301858
80. Akos005927923
81. Bg-0006
82. Ccg-204813
83. Cs-3159
84. Db00264
85. Sdccgsbi-0050706.p005
86. Ncgc00021148-03
87. Ncgc00021148-04
88. Ncgc00021148-05
89. Ncgc00021148-21
90. Ncgc00356981-01
91. 54163-88-1
92. Ac-19022
93. Hy-17503
94. Sbi-0050706.p004
95. 3-bromo-4,5-dihydroxybenzylalcohol
96. Cas-51384-51-1
97. Db-049097
98. A2878
99. Ab00053499
100. Ft-0602794
101. Ft-0672382
102. Ft-0672383
103. Ft-0672385
104. C07202
105. D02358
106. Ab00053499-21
107. Ab00053499_22
108. Ab00053499_23
109. A823609
110. A871296
111. L000669
112. Q409468
113. Q-201400
114. Sr-01000003148-2
115. Brd-a03623303-045-02-0
116. Brd-a03623303-045-05-3
117. 1-isopropylamino-3-[p-(2-methoxyethyl)phenoxy]-2-propanol
118. 1-(isopropylamino)-3-[p-(2-methoxyethyl)phenoxy]-2-propanol
119. 1-isopropylamino-3-[4-(2-methoxy-ethyl)-phenoxy]-propan-2-ol
120. (+/-)-1-(isopropylamino)-3-(p-(beta-methoxyethyl)phenoxy)-2-propanol
121. 1-(4-(2-methoxyethyl)-phenoxy)-3-((1-methylethyl)amino)-2-propanol
122. 1-(4-(2-methoxyethyl)phenoxy)-3-((1-methylethyl)amino)-2-propanol
123. (2r,3r)-2,3-dihydroxysuccinic Acid;1-(isopropylamino)-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol
| Molecular Weight | 267.36 g/mol |
|---|---|
| Molecular Formula | C15H25NO3 |
| XLogP3 | 1.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 9 |
| Exact Mass | 267.18344366 g/mol |
| Monoisotopic Mass | 267.18344366 g/mol |
| Topological Polar Surface Area | 50.7 Ų |
| Heavy Atom Count | 19 |
| Formal Charge | 0 |
| Complexity | 215 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently Bonded Unit Count | 1 |
| 1 of 6 | |
|---|---|
| Drug Name | Dutoprol |
| PubMed Health | Metoprolol/Hydrochlorothiazide (By mouth) |
| Drug Classes | Beta-Adrenergic Blocker, Cardioselective/Thiazide Combination, Beta-Adrenergic Blocker/Thiazide Combination |
| Active Ingredient | Hydrochlorothiazide; metoprolol succinate |
| Dosage Form | Tablet, extended release |
| Route | Oral |
| Strength | eq 25mg tartrate; eq 50mg tartrate; eq 100mg tartrate; 12.5mg |
| Market Status | Prescription |
| Company | Covis Pharma Sarl |
| 2 of 6 | |
|---|---|
| Drug Name | Lopressor |
| PubMed Health | Metoprolol |
| Drug Classes | Antianginal, Antiarrhythmic, Group II, Antihypertensive, Antimigraine, Cardiovascular Agent |
| Drug Label | Lopressor, metoprolol tartrate USP, is a selective beta1-adrenoreceptor blocking agent, available as 50- and 100-mg tablets for oral administration and in 5-mL ampuls for intravenous administration. Each ampul contains a sterile solution of metoprolo... |
| Active Ingredient | Metoprolol tartrate |
| Dosage Form | Tablet; Injectable |
| Route | Injection; Oral |
| Strength | 1mg/ml; 100mg; 50mg |
| Market Status | Prescription |
| Company | Novartis; Us Pharms Holdings I |
| 3 of 6 | |
|---|---|
| Drug Name | Toprol-xl |
| Active Ingredient | Metoprolol succinate |
| Dosage Form | Tablet, extended release |
| Route | Oral |
| Strength | eq 25mg tartrate; eq 50mg tartrate; eq 200mg tartrate; eq 100mg tartrate |
| Market Status | Prescription |
| Company | Astrazeneca |
| 4 of 6 | |
|---|---|
| Drug Name | Dutoprol |
| PubMed Health | Metoprolol/Hydrochlorothiazide (By mouth) |
| Drug Classes | Beta-Adrenergic Blocker, Cardioselective/Thiazide Combination, Beta-Adrenergic Blocker/Thiazide Combination |
| Active Ingredient | Hydrochlorothiazide; metoprolol succinate |
| Dosage Form | Tablet, extended release |
| Route | Oral |
| Strength | eq 25mg tartrate; eq 50mg tartrate; eq 100mg tartrate; 12.5mg |
| Market Status | Prescription |
| Company | Covis Pharma Sarl |
| 5 of 6 | |
|---|---|
| Drug Name | Lopressor |
| PubMed Health | Metoprolol |
| Drug Classes | Antianginal, Antiarrhythmic, Group II, Antihypertensive, Antimigraine, Cardiovascular Agent |
| Drug Label | Lopressor, metoprolol tartrate USP, is a selective beta1-adrenoreceptor blocking agent, available as 50- and 100-mg tablets for oral administration and in 5-mL ampuls for intravenous administration. Each ampul contains a sterile solution of metoprolo... |
| Active Ingredient | Metoprolol tartrate |
| Dosage Form | Tablet; Injectable |
| Route | Injection; Oral |
| Strength | 1mg/ml; 100mg; 50mg |
| Market Status | Prescription |
| Company | Novartis; Us Pharms Holdings I |
| 6 of 6 | |
|---|---|
| Drug Name | Toprol-xl |
| Active Ingredient | Metoprolol succinate |
| Dosage Form | Tablet, extended release |
| Route | Oral |
| Strength | eq 25mg tartrate; eq 50mg tartrate; eq 200mg tartrate; eq 100mg tartrate |
| Market Status | Prescription |
| Company | Astrazeneca |
Adrenergic beta-Antagonists; Anti-Arrhythmia Agents; Antihypertensive Agents; Sympatholytics
National Library of Medicine's Medical Subject Headings online file (MeSH, 1999)
Metoprolol /is/ used in the treatment of mitral value prolapse syndrome. /NOT included in US product labeling/
MICROMEDEX Thomson Health Care. USPDI - Drug Information for the Health Care Professional. 23rd ed. Volume 1. MICROMEDEX Thomson Health Care, Greenwood Village, CO. 2003. Content Reviewed and Approved by the U.S. Pharmacopeial Convention, Inc., p. 551
Metoprolol ... /is/ used for thyrotoxicosis. /NOT included in US product labeling/
MICROMEDEX Thomson Health Care. USPDI - Drug Information for the Health Care Professional. 23rd ed. Volume 1. MICROMEDEX Thomson Health Care, Greenwood Village, CO. 2003. Content Reviewed and Approved by the U.S. Pharmacopeial Convention, Inc., p. 551
/Metoprolol has been used/ to control the physical manifestations of anxiety such as tachycardia and tremor. It is not particularly useful for chronic anxiety or panic attacks but is most useful for reducing anxiety and improving performance in specific stressful situations. /NOT included in US product labeling/
MICROMEDEX Thomson Health Care. USPDI - Drug Information for the Health Care Professional. 23rd ed. Volume 1. MICROMEDEX Thomson Health Care, Greenwood Village, CO. 2003. Content Reviewed and Approved by the U.S. Pharmacopeial Convention, Inc., p. 551
For more Therapeutic Uses (Complete) data for METOPROLOL (12 total), please visit the HSDB record page.
Tiredness or dizziness has occurred in about 10% of patients with hypertension or angina receiving metoprolol tartrate in clinical trials; tiredness has been reported in about 1% of patients with myocardial infarction receiving the drug. In addition, vertigo, sleep disturbances/insomnia, hallucinations, nightmares, headache, dizziness, visual disturbances, and confusion have been reported in patients with myocardial infarction receiving the drug, although a causal relationship is unclear. Somnolence or increased dreaming also has been reported with metoprolol therapy; these effects may be alleviated by avoiding late-evening dosing. rarely, impotence, nervousness, and general weakness have occurred. Depression has been reported in about 5% of patients receiving metoprolol tartrate for hypertension or angina. ... /Metoprolol tartrate/
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1766
Diarrhea has occurred in about 5% of patients receiving metoprolol tartrate in clinical trials. Other GI symptoms such as nausea, gastric pain, constipation, flatulence, digestive tract disorders, heartburn, xerostomia, and hiccups also have been reported with oral metoprolol therapy. Nausea and abdominal pain have occurred in less than 1% of patients with myocardial infarction receiving IV or oral metoprolol.
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1767
In 10 healthy subjects administration of metoprolol tartrate 50 mg by mouth increased the peripheral platelet count.
Reynolds, J.E.F., Prasad, A.B. (eds.) Martindale-The Extra Pharmacopoeia. 28th ed. London: The Pharmaceutical Press, 1982., p. 1342
Peyronie's disease, tinnitus, restless legs, a polymyalgia-like syndrome, decreased libido, blurred vision, dry eyes, dry mucous membranes, agranulocytosis, and sweating have occurred rarely in patients receiving metoprolol. Pruritus, dry skin, worsening of psoriasis, and psoriasiform, maculopapular, and urticarial rash have occurred in some patients receiving metoprolol.
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1767
For more Drug Warnings (Complete) data for METOPROLOL (10 total), please visit the HSDB record page.
Hypotension and nodal rhythm resulted in the survivor of a 50-g overdose. However, cardiac failure and bradycardia occurred in a fatal 7.5 g overdose.
Ellenhorn, M.J. and D.G. Barceloux. Medical Toxicology - Diagnosis and Treatment of Human Poisoning. New York, NY: Elsevier Science Publishing Co., Inc. 1988., p. 188
Metoprolol is indicated for the treatment of angina, heart failure, myocardial infarction, atrial fibrillation, atrial flutter and hypertension. Some off-label uses of metoprolol include supraventricular tachycardia and thyroid storm. All the indications of metoprolol are part of cardiovascular diseases. These conditions correspond to a number of diseases that involve the function of the heart and blood vessels. The underlying causes of these conditions are variable and can be due to genetic disposition, lifestyle decisions such as smoking, obesity, diet, and lack of exercise, and comorbidity with other conditions such as diabetes. The cardiovascular diseases are the leading cause of death on a global scale.
FDA Label
Administration of metoprolol in normal subjects is widely reported to produce a dose-dependent reduction on heart rate and cardiac output. This effect is generated due to a decreased cardiac excitability, cardiac output, and myocardial oxygen demand. In the case of arrhythmias, metoprolol produces its effect by reducing the slope of the pacemaker potential as well as suppressing the rate of atrioventricular conduction. The Metoprolol Atherosclerosis Prevention in Hypertensives (MAPHY) trial showed a significant improvement in sudden cardiac death and myocardial infarction when patients were given with metoprolol as compared with diuretics. As well, in clinical trials performed in 1990, metoprolol reduces mortality and re-infarction in 17% of the individuals when administered chronically after an episode of myocardial infarction.
Anti-Arrhythmia Agents
Agents used for the treatment or prevention of cardiac arrhythmias. They may affect the polarization-repolarization phase of the action potential, its excitability or refractoriness, or impulse conduction or membrane responsiveness within cardiac fibers. Anti-arrhythmia agents are often classed into four main groups according to their mechanism of action: sodium channel blockade, beta-adrenergic blockade, repolarization prolongation, or calcium channel blockade. (See all compounds classified as Anti-Arrhythmia Agents.)
Sympatholytics
Drugs that inhibit the actions of the sympathetic nervous system by any mechanism. The most common of these are the ADRENERGIC ANTAGONISTS and drugs that deplete norepinephrine or reduce the release of transmitters from adrenergic postganglionic terminals (see ADRENERGIC AGENTS). Drugs that act in the central nervous system to reduce sympathetic activity (e.g., centrally acting alpha-2 adrenergic agonists, see ADRENERGIC ALPHA-AGONISTS) are included here. (See all compounds classified as Sympatholytics.)
Adrenergic beta-1 Receptor Antagonists
Drugs that bind to and block the activation of ADRENERGIC BETA-1 RECEPTORS. (See all compounds classified as Adrenergic beta-1 Receptor Antagonists.)
Antihypertensive Agents
Drugs used in the treatment of acute or chronic vascular HYPERTENSION regardless of pharmacological mechanism. Among the antihypertensive agents are DIURETICS; (especially DIURETICS, THIAZIDE); ADRENERGIC BETA-ANTAGONISTS; ADRENERGIC ALPHA-ANTAGONISTS; ANGIOTENSIN-CONVERTING ENZYME INHIBITORS; CALCIUM CHANNEL BLOCKERS; GANGLIONIC BLOCKERS; and VASODILATOR AGENTS. (See all compounds classified as Antihypertensive Agents.)
C07AB02
S76 | LUXPHARMA | Pharmaceuticals Marketed in Luxembourg | Pharmaceuticals marketed in Luxembourg, as published by d'Gesondheetskeess (CNS, la caisse nationale de sante, www.cns.lu), mapped by name to structures using CompTox by R. Singh et al. (in prep.). List downloaded from https://cns.public.lu/en/legislations/textes-coordonnes/liste-med-comm.html. Dataset DOI:10.5281/zenodo.4587355
C07AB02
S66 | EAWAGTPS | Parent-Transformation Product Pairs from Eawag | DOI:10.5281/zenodo.3754448
C - Cardiovascular system
C07 - Beta blocking agents
C07A - Beta blocking agents
C07AB - Beta blocking agents, selective
C07AB02 - Metoprolol
Absorption
When metoprolol is administered orally, it is almost completely absorbed in the gastrointestinal tract. The maximum serum concentration is achieved 20 min after intravenous administration and 1-2 hours after oral administration. The bioavailability of metoprolol is of 100% when administered intravenously and when administered orally it presents about 50% for the tartrate derivative and 40% for the succinate derivative. The absorption of metoprolol in the form of the tartrate derivative is increased by the concomitant administration of food.
Route of Elimination
Metoprolol is mainly excreted via the kidneys. From the eliminated dose, less than 5% is recovered unchanged.
Volume of Distribution
The reported volume of distribution of metoprolol is 4.2 L/kg. Due to the characteristics of metoprolol, this molecule is able to cross the blood-brain barrier and even 78% of the administered drug can be found in cerebrospinal fluid.
Clearance
The reported clearance rate on patients with normal kidney function is 0.8 L/min. In cirrhotic patients, the clearance rate changes to 0.61 L/min.
Plasma levels following oral administration of conventional metoprolol tablets, however, approximate 50% of levels following intravenous adminsitration, indicating about 50% first-pass metabolism... Elimination is mainly by biotransformation in the liver.
Medical Economics Co; Physicians Desk Reference 56th ed p. 651 (2002)
Metoprolol tartrate is rapidly and almost completely absorbed from the GI tract; absorption of a single oral dose of 20-100 mg is complete in 2.5-3 hours. After an oral dose, about 50% of the drug administered as conventional tablets appears to undergo first-pass metabolism in the liver. Bioavailability of orally administered metoprolol tartrate increases with increased doses, indicating a possible saturable disposition process of low capacity such as tissue binding in the liver. Steady-state oral bioavailability of extended-release tablets of metoprolol succinate given once daily at dosages equivalent to 50-400 mg of metoprolol tartrate is about 77% of that of conventional tablets at corresponding dosages given once daily or in divided doses. Food does not appear to affect bioavailability of metoprolol succinate extended-release tablets. Following a single oral dose as conventional tablets, metoprolol appears in the plasma within 10 minutes and peak plasma concentrations are reached in about 90 minutes. When metoprolol tartrate conventional tablets are administered with food rather than on an empty stomach, peak plasma concentrations are higher and the extent of absorption of the drug is increased. Following oral administration of metoprolol succinate as extended-release tablets, peak plasma metoprolol concentrations are aobut 25-50% of those attained after administration of metoprolol tartrate conventional tablets given once daily or in divided doses. Time to peak concentration is longer with extended-release tablets, with peak plasma coentrations being reached in about 7 hours following administration of such tablets. Plasma concentrations attained 1 hour after an oral dose are linearly related to metoprolol tartrate doses ranging from 50-400 mg as conventional tablets.
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1769
Plasma metoprolol concentrations attained after iv administration of the drug are approximately 2 times those attained following oral administration. Following iv infusion of metoprolol over 10 minutes in healthy individuals, maximum beta-adrenergic blocking activity occurred at 20 minutes. In healthy individuals, a maximum reduction in exercise-induced heart rate of approximately 10 and 15% occurs following iv administration of a single 5 mg and 15 mg metoprolol dose, respectively; the effect on exercise-induced heart rate decreased linearly with time at the same rate for both doses and persisted for approximately 5 and 8 hours for the 5 mg and 15 mg doses, respectively.
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1769
Elimination of metoprolol appears to follow first-order kinetics and occurs mainly in the liver; the time required for the process apparently is independent of dose and duration of therapy. In healthy individuals and hypertensive patients, the elimination half-life of both unchanged drug and metabolites is about 3-4 hours. In poor hydroxylators of the drug, the elimination half-life is prolonged to about 7.6 hours. There is more interindividual variation in elimination half-lives in geriatric patients than in young healthy individuals. The half-life of metoprolol does not increase appreciably with impaired renal function.
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1770
For more Absorption, Distribution and Excretion (Complete) data for METOPROLOL (7 total), please visit the HSDB record page.
Metoprolol goes through significant first-pass hepatic metabolism which covers around 50% of the administered dose. The metabolism of metoprolol is mainly driven by the activity of CYP2D6 and to a lesser extent due to the activity of CYP3A4. The metabolism of metoprolol is mainly represented by reactions of hydroxylation and O-demethylation.
Metoprolol does not inhibit or enhance its own metabolism. Three main metabolites of the drug are formed by oxidative deamination, O-dealkylation with subsequent oxidation, and aliphatic hydroxylation; these metabolites account for 85% of the total urinary excretion of metabolites. The metabolites apparently do not have appreciable pharmacologic activity. The rate of hydroxylation, resulting in alpha-hydroxymetoprolol, is genetically determined and is subject to considerable interindividual variation. Poor hydroxylators of metoprolol have increased areas under the plasma concentration-time curves, prolonged elimination half-lives (about 7.6 hours), higher urinary concentrations of unchanged drug, and negligible urinary concentrations of alpha-hydroxymetoprolol compared with extensive hydroxylators. Beta-adrenergic blockade of exercise-induced tachycardia persists for at least 24 hours after administration of a single 200-mg oral dose of metoprolol tartrate in poor hydroxylators.
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1770
Controlled studies have shown that debrisoquine oxidation phenotype is a major determinant of the metabolism, pharmacokinetics and some of the pharmacological actions of metoprolol. The poor metabolizer phenotype is associated with increased plasma drug concentrations, a prolongation of elimination half-life and more intense and sustained beta blockade. Phenotypic differences have also been observed in the pharmacokinetics of the enantiomers of metoprolol. In vivo and in vitro studies have identified some of the metabolic pathways which are subject to the defect, that is alpha-hydroxylation and O-demethylation.
PMID:2868819 Lennard MS et al; Clin Pharmacokinet 11 (1): 1-17 (1986)
Metropolol is a racemic mixture of R-and S-enantiomers, and is primarily metabolized by CYP2D6.
Medical Economics Co; Physicians Desk Reference 56th ed p. 651 (2002)
The immediate release formulations of metoprolol present a half-life of about 3-7 hours.
The plasma half-life ranges from approximately 3 to 7 hours.
Medical Economics Co; Physicians Desk Reference 56th ed p. 651 (2002)
Metoprolol is a beta-1-adrenergic receptor inhibitor specific to cardiac cells with negligible effect on beta-2 receptors. This inhibition decreases cardiac output by producing negative chronotropic and inotropic effects without presenting activity towards membrane stabilization nor intrinsic sympathomimetics.
Beta-adenoreceptor blocking property the amount of beta1 and beta2 effect depends on the cardioselectivity of the drug. Decreased automaticity. Reduced conduction velocity and increased refractoriness in accessory bundles (Wolff- Parkinson-White syndrome). /Class II- beta-Blocking Agents/
Ellenhorn, M.J. and D.G. Barceloux. Medical Toxicology - Diagnosis and Treatment of Human Poisoning. New York, NY: Elsevier Science Publishing Co., Inc. 1988., p. 172
At low doses, metoprolol is a selective inhibitor of beta 1-adrenergic receptors. Like propranolol, metoprolol inhibits response to adrenergic stimuli by competitively blocking b1-adrenergic receptors within the myocardium. Unlike propranolol, however, metoprolol blocks b2-adrenergic receptors within bronchial and vascular smooth muscle only in high doses.
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1769
The precise mechanism of metoprolol's hypotensive action has not been determined. It has been postulated that beta-adrenergic blocking agents reduce blood pressure by blocking peripheral (especially cardiac) adrenergic receptors (decreasing cardiac output), by decreasing sympathetic outflow from the CNS, and/or by suppressing renin release.
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1769
In the management of angina pectoris, the mechanism of action of metoprolol is thought to be blockage of catecholamine-induced increases in heart rate, velocity and extent of myocardial contraction, and blood pressure, which results in a net decrease in myocardial oxygen consumption.
McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 2003. Bethesda, MD: American Society of Health-System Pharmacists, Inc. 2003 (Plus Supplements)., p. 1769
For more Mechanism of Action (Complete) data for METOPROLOL (7 total), please visit the HSDB record page.
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DOSAGE - TABLET;ORAL - 100MG
USFDA APPLICATION NUMBER - 17963
DOSAGE - TABLET;ORAL - 50MG
USFDA APPLICATION NUMBER - 17963
DOSAGE - INJECTABLE;INJECTION - 1MG/ML **Fede...DOSAGE - INJECTABLE;INJECTION - 1MG/ML **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**
USFDA APPLICATION NUMBER - 18704
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FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Aeon Procare
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Anhui Sunhere Pharmaceutical Excipients Co.,Ltd
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Clariant
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Corel Pharma Chem
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FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Gangwal Chemicals
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Ideal Cures Pvt Ltd
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Ingredion Pharma Solutions
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Kerry
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Kima Chemical
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Lonza Capsugel
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Microlex e.U
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Nanjing Bold Chemical
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FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Novo Excipients
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Pharmatrans-Sanaq
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FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Prachin Chemical
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Qianhao Chemical (Hebei) Co., Ltd
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FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Seppic
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Shanghai Shenmei Pharmaceutical Technology Co., Ltd
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FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Sigachi Industries
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]The Dow Chemical Company
FULL SCREEN VIEW Click here to open all results in a new tab [this preview display 10 results]Ulanqab Kema New Material
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