Details of Drug-Drug Interaction
| Drug General Information (ID: DDIT6XHJF5) | |||||||||
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| Drug Name | Bosentan | Drug Info | Nitrous acid | Drug Info | |||||
| Drug Type | Small molecule | Small molecule | |||||||
| Therapeutic Class | Antihypertensive Agents | Antidotes | |||||||
| Structure | |||||||||
| Mechanism of Bosentan-Nitrous acid Interaction (Severity Level: Moderate) | |||||||||
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| Additive hypotensive effects Click to Show/Hide Mechanism Graph | |||||||||
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| Drug Name | Bosentan | Nitrous acid | |||||||
| Mechanism |
Hypotensive effects Endothelin receptor Antagonist |
Hypotensive effects Guanylate cyclase Agonist |
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| Key Mechanism Factor 1 | |||||||||
| Factor Name | Endothelin A receptor |
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Structure
Sequence
METLCLRASFWLALVGCVISDNPERYSTNLSNHVDDFTTFRGTELSFLVTTHQPTNLVLPSNGSMHNYCPQQTKITSAFKYINTVISCTIFIVGMVGNATLLRIIYQNKCMRNGPNALIASLALGDLIYVVIDLPINVFKLLAGRWPFDHNDFGVFLCKLFPFLQKSSVGITVLNLCALSVDRYRAVASWSRVQGIGIPLVTAIEIVSIWILSFILAIPEAIGFVMVPFEYRGEQHKTCMLNATSKFMEFYQDVKDWWLFGFYFCMPLVCTAIFYTLMTCEMLNRRNGSLRIALSEHLKQRREVAKTVFCLVVIFALCWFPLHLSRILKKTVYNEMDKNRCELLSFLLLMDYIGINLATMNSCINPIALYFVSKKFKNCFQSCLCCCCYQSKSLMTSVPMNGTSIQWKNHDQNNHNTDRSSHKDSMN
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| Gene Name | EDNRA | ||||||||
| Uniprot ID | EDNRA_HUMAN | ||||||||
| KEGG Pathway | hsa:1909 | ||||||||
| Protein Family | G-protein coupled receptor 1 family | ||||||||
| Protein Function |
Receptor for endothelin-1. Mediates its action by association with G proteins that activate a phosphatidylinositol-calcium second messenger system. The rank order of binding affinities for ET-A is: ET1 > ET2 >> ET3.
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| Key Mechanism Factor 2 | |||||||||
| Factor Name | Guanylate cyclase soluble | Structure Sequence | |||||||
| Protein Family | Adenylyl cyclase class-4/guanylyl cyclase family | ||||||||
| Protein Function |
There are two types of guanylate cyclases: soluble forms and membrane-associated receptor forms. Activated by nitric oxide in the presence of magnesium or manganese ions.
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| Mechanism Description |
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| Recommended Action | |||||||||
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| Management | Sodium nitrite should be used with caution in the presence of concomitant antihypertensive agents, diuretics, vasodilators, or PDE5 inhibitors. Hemodynamics should be monitored during and after administration of sodium nitrite, and the infusion rate decreased if significant hypotension occurs. In addition, methemoglobin levels should be monitored and oxygen administered during treatment whenever possible. | ||||||||