Details
Stereochemistry | RACEMIC |
Molecular Formula | 2C11H17NO3.H2O4S |
Molecular Weight | 520.594 |
Optical Activity | ( + / - ) |
Defined Stereocenters | 0 / 2 |
E/Z Centers | 0 |
Charge | 0 |
SHOW SMILES / InChI
SMILES
OS(O)(=O)=O.CC(C)NCC(O)C1=CC(O)=CC(O)=C1.CC(C)NCC(O)C2=CC(O)=CC(O)=C2
InChI
InChIKey=MKFFGUZYVNDHIH-UHFFFAOYSA-N
InChI=1S/2C11H17NO3.H2O4S/c2*1-7(2)12-6-11(15)8-3-9(13)5-10(14)4-8;1-5(2,3)4/h2*3-5,7,11-15H,6H2,1-2H3;(H2,1,2,3,4)
Metaproterenol, also known as Orciprenaline, is a brochodilator that is FDA approved for the treatment of bronchial asthma and for reversible bronchospasm which may occur in association with bronchitis and emphysema. Metaproterenol Sulfate is a potent beta-adrenergic stimulator with a rapid onset of action. It is postulated that beta-adrenergic stimulants produce many of their pharmacological effects by activation of adenyl cyclase, the enzyme which catalyzes the conversion of adrenosine triphosphate to cyclic adenosine monosphosphate. Metaproterenol is a moderately selective beta(2)-adrenergic agonist that stimulates receptors of the smooth muscle in the lungs, uterus, and vasculature supplying skeletal muscle, with minimal or no effect on alpha-adrenergic receptors.
Approval Year
Targets
Primary Target | Pharmacology | Condition | Potency |
---|---|---|---|
4.81 µM [Kd] |
Conditions
Condition | Modality | Targets | Highest Phase | Product |
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Primary | Metaproterenol Approved UseMetaproterenol Sulfate Inhalation Solution is indicated as a bronchodilator for bronchial asthma and for reversible bronchospasm which may occur in association with bronchitis and emphysema. Launch Date1973 |
Doses
Dose | Population | Adverse events |
---|---|---|
10 mL 3 times / day multiple, oral Dose: 10 mL, 3 times / day Route: oral Route: multiple Dose: 10 mL, 3 times / day Sources: |
unhealthy, adults n = 1120 Health Status: unhealthy Condition: bronchial asthma Age Group: adults Population Size: 1120 Sources: |
Other AEs: Tachycardia, Headache... Other AEs: Tachycardia (6.1%) Sources: Headache (1.1%) Nervousness (4.8%) Nausea (1.3%) Tremor (1.6%) |
AEs
AE | Significance | Dose | Population |
---|---|---|---|
Headache | 1.1% | 10 mL 3 times / day multiple, oral Dose: 10 mL, 3 times / day Route: oral Route: multiple Dose: 10 mL, 3 times / day Sources: |
unhealthy, adults n = 1120 Health Status: unhealthy Condition: bronchial asthma Age Group: adults Population Size: 1120 Sources: |
Nausea | 1.3% | 10 mL 3 times / day multiple, oral Dose: 10 mL, 3 times / day Route: oral Route: multiple Dose: 10 mL, 3 times / day Sources: |
unhealthy, adults n = 1120 Health Status: unhealthy Condition: bronchial asthma Age Group: adults Population Size: 1120 Sources: |
Tremor | 1.6% | 10 mL 3 times / day multiple, oral Dose: 10 mL, 3 times / day Route: oral Route: multiple Dose: 10 mL, 3 times / day Sources: |
unhealthy, adults n = 1120 Health Status: unhealthy Condition: bronchial asthma Age Group: adults Population Size: 1120 Sources: |
Nervousness | 4.8% | 10 mL 3 times / day multiple, oral Dose: 10 mL, 3 times / day Route: oral Route: multiple Dose: 10 mL, 3 times / day Sources: |
unhealthy, adults n = 1120 Health Status: unhealthy Condition: bronchial asthma Age Group: adults Population Size: 1120 Sources: |
Tachycardia | 6.1% | 10 mL 3 times / day multiple, oral Dose: 10 mL, 3 times / day Route: oral Route: multiple Dose: 10 mL, 3 times / day Sources: |
unhealthy, adults n = 1120 Health Status: unhealthy Condition: bronchial asthma Age Group: adults Population Size: 1120 Sources: |
PubMed
Title | Date | PubMed |
---|---|---|
Objective and subjective tremor responses to oral beta 2 agents on first exposure. A comparison of metaproterenol and terbutaline. | 1982 Oct |
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Bronchodilator and side effects of different modes of administration of metaproterenol: inhaled, oral, and in combination. | 1986 Mar |
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Bronchodilator effects of oral metaproterenol sulfate in preschool children with asthma. | 1987 Jan |
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Case of psychosis due to prednisone-clarithromycin interaction. | 1998 Sep |
|
Genomic biomarkers for cardiotoxicity in rats as a sensitive tool in preclinical studies. | 2013 Oct |
Patents
Sample Use Guides
In Vivo Use Guide
Sources: https://www.drugs.com/pro/metaproterenol.html
Metaproterenol Sulfate Inhalation Solution is for administration with the aid of an intermittent positive pressure breathing apparatus (IPPB) or air driven nebulizer. The usual adult dose is one vial per nebulization treatment. Each vial of 0.4% is equivalent to 0.2 mL Metaproterenol Sulfate Inhalation Solution 5% diluted 2.5 mL with Normal Saline. Each vial of 0.6% is equivalent to 0.3 mL Metaproterenol Sulfate Inhalation Solution 5% diluted to 2.5 mL with Normal Saline.
Usually, treatment need not be repeated more often than every four hours to relieve acute attacks of bronchospasm. As part of a total treatment program in chronic bronchospastic pulmonary diseases, Metaproterenol Sulfate Inhalation Solution may be administered three or four times a day.
Route of Administration:
Respiratory
In Vitro Use Guide
Sources: https://www.ncbi.nlm.nih.gov/pubmed/8383747
Metaproterenol (10(-4), 10(-5) and 10(-6)M) significantly inhibited the in vitro development of memory CTL activity of young mice.
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ACTIVE MOIETY
SUBSTANCE RECORD