Details of Drug-Drug Interaction
| Drug General Information (ID: DDII25JQ7S) | |||||||||
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| Drug Name | Fenoldopam | Drug Info | Nifedipine | Drug Info | |||||
| Drug Type | Small molecule | Small molecule | |||||||
| Therapeutic Class | Antihypertensive Agents | Analgesics | |||||||
| Structure | |||||||||
| Mechanism of Fenoldopam-Nifedipine Interaction (Severity Level: Moderate) | |||||||||
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| Additive hypotensive effects Click to Show/Hide Mechanism Graph | |||||||||
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| Drug Name | Fenoldopam | Nifedipine | |||||||
| Mechanism |
Antihypertensive agent Dopamine D1 receptor Agonist |
Antihypertensive agent Voltage-gated L-type calcium channel Blocker |
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| Key Mechanism Factor 1 | |||||||||
| Factor Name | Dopamine D1 receptor |
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Structure
Sequence
MRTLNTSAMDGTGLVVERDFSVRILTACFLSLLILSTLLGNTLVCAAVIRFRHLRSKVTNFFVISLAVSDLLVAVLVMPWKAVAEIAGFWPFGSFCNIWVAFDIMCSTASILNLCVISVDRYWAISSPFRYERKMTPKAAFILISVAWTLSVLISFIPVQLSWHKAKPTSPSDGNATSLAETIDNCDSSLSRTYAISSSVISFYIPVAIMIVTYTRIYRIAQKQIRRIAALERAAVHAKNCQTTTGNGKPVECSQPESSFKMSFKRETKVLKTLSVIMGVFVCCWLPFFILNCILPFCGSGETQPFCIDSNTFDVFVWFGWANSSLNPIIYAFNADFRKAFSTLLGCYRLCPATNNAIETVSINNNGAAMFSSHHEPRGSISKECNLVYLIPHAVGSSEDLKKEEAAGIARPLEKLSPALSVILDYDTDVSLEKIQPITQNGQHPT
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| Gene Name | DRD1 | ||||||||
| Uniprot ID | DRD1_HUMAN | ||||||||
| KEGG Pathway | hsa:1812 | ||||||||
| Protein Family | G-protein coupled receptor 1 family | ||||||||
| Protein Function |
Dopamine receptor whose activity is mediated by G proteins which activate adenylyl cyclase.
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| Key Mechanism Factor 2 | |||||||||
| Factor Name | Voltage-dependent L-type calcium channel subunit beta-1 |
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Structure
Sequence
MVQKTSMSRGPYPPSQEIPMEVFDPSPQGKYSKRKGRFKRSDGSTSSDTTSNSFVRQGSAESYTSRPSDSDVSLEEDREALRKEAERQALAQLEKAKTKPVAFAVRTNVGYNPSPGDEVPVQGVAITFEPKDFLHIKEKYNNDWWIGRLVKEGCEVGFIPSPVKLDSLRLLQEQKLRQNRLGSSKSGDNSSSSLGDVVTGTRRPTPPASAKQKQKSTEHVPPYDVVPSMRPIILVGPSLKGYEVTDMMQKALFDFLKHRFDGRISITRVTADISLAKRSVLNNPSKHIIIERSNTRSSLAEVQSEIERIFELARTLQLVALDADTINHPAQLSKTSLAPIIVYIKITSPKVLQRLIKSRGKSQSKHLNVQIAASEKLAQCPPEMFDIILDENQLEDACEHLAEYLEAYWKATHPPSSTPPNPLLNRTMATAALAASPAPVSNLQGPYLASGDQPLERATGEHASMHEYPGELGQPPGLYPSSHPPGRAGTLRALSRQDTFDADTPGSRNSAYTELGDSCVDMETDPSEGPGLGDPAGGGTPPARQGSWEDEEEDYEEELTDNRNRGRNKARYCAEGGGPVLGRNKNELEGWGRGVYIR
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| Gene Name | CACNB1 | ||||||||
| Uniprot ID | CACB1_HUMAN | ||||||||
| KEGG Pathway | hsa:782 | ||||||||
| Protein Family | Calcium channel beta subunit family | ||||||||
| Protein Function |
Regulatory subunit of L-type calcium channels (PubMed:1309651, PubMed:8107964, PubMed:15615847). Regulates the activity of L-type calcium channels that contain CACNA1A as pore-forming subunit (By similarity). Regulates the activity of L-type calcium channels that contain CACNA1C as pore-forming subunit and increases the presence of the channel complex at the cell membrane (PubMed:15615847). Required for functional expression L-type calcium channels that contain CACNA1D as pore-forming subunit (PubMed:1309651). Regulates the activity of L-type calcium channels that contain CACNA1B as pore-forming subunit (PubMed:8107964).
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| Mechanism Description |
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| Recommended Action | |||||||||
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| Management | Caution is strongly advised during concurrent use. Inpatient monitoring of the heart rate and blood pressure is recommended. Sublingual nitroglycerin has been used safely with fenoldopam. | ||||||||
| References | |||||||||||||||||||
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| 1 | Product Information. Xatral (alfuzosin). Sanofi-Synthelabo Canada Inc, Markham, ON. | ||||||||||||||||||
| 2 | Product Information. Corlopam (fenoldopam). Neurex, Menlo Park, CA. | ||||||||||||||||||