Drug General Information (ID: DDIVUJMT3D)
  Drug Name Nitroglycerin Drug Info Fenoldopam Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Vasodilator Agents Antihypertensive Agents
  Structure

 Mechanism of Nitroglycerin-Fenoldopam Interaction (Severity Level: Moderate)
     Additive hypotensive effects Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Nitroglycerin Fenoldopam
      Mechanism Antihypertensive agent
Guanylate cyclase  Agonist
Antihypertensive agent
Dopamine D1 receptor  Agonist
      Key Mechanism Factor 1
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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      Key Mechanism Factor 2
Factor Name Dopamine D1 receptor
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Structure Sequence
MRTLNTSAMDGTGLVVERDFSVRILTACFLSLLILSTLLGNTLVCAAVIRFRHLRSKVTNFFVISLAVSDLLVAVLVMPWKAVAEIAGFWPFGSFCNIWVAFDIMCSTASILNLCVISVDRYWAISSPFRYERKMTPKAAFILISVAWTLSVLISFIPVQLSWHKAKPTSPSDGNATSLAETIDNCDSSLSRTYAISSSVISFYIPVAIMIVTYTRIYRIAQKQIRRIAALERAAVHAKNCQTTTGNGKPVECSQPESSFKMSFKRETKVLKTLSVIMGVFVCCWLPFFILNCILPFCGSGETQPFCIDSNTFDVFVWFGWANSSLNPIIYAFNADFRKAFSTLLGCYRLCPATNNAIETVSINNNGAAMFSSHHEPRGSISKECNLVYLIPHAVGSSEDLKKEEAAGIARPLEKLSPALSVILDYDTDVSLEKIQPITQNGQHPT
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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      Mechanism Description
  • Additive hypotensive effects by the combination of Nitroglycerin and Fenoldopam 

Recommended Action
      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
1 Product Information. Xatral (alfuzosin). Sanofi-Synthelabo Canada Inc, Markham, ON.
2 Product Information. Corlopam (fenoldopam). Neurex, Menlo Park, CA.