Drug General Information (ID: DDI720GXJ1)
  Drug Name Fenoldopam Drug Info Iloprost Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Antihypertensive Agents Antihypertensive Agents
  Structure

 Mechanism of Fenoldopam-Iloprost Interaction (Severity Level: Moderate)
     Additive hypotensive effects Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Fenoldopam Iloprost
      Mechanism Antihypertensive agent
Dopamine D1 receptor  Agonist
Antihypertensive agent
Prostaglandin E2 receptor  Agonist
      Key Mechanism Factor 1
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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      Key Mechanism Factor 2
Factor Name Prostaglandin E2 receptor EP2
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Structure Sequence
MGNASNDSQSEDCETRQWLPPGESPAISSVMFSAGVLGNLIALALLARRWRGDVGCSAGRRSSLSLFHVLVTELVFTDLLGTCLISPVVLASYARNQTLVALAPESRACTYFAFAMTFFSLATMLMLFAMALERYLSIGHPYFYQRRVSRSGGLAVLPVIYAVSLLFCSLPLLDYGQYVQYCPGTWCFIRHGRTAYLQLYATLLLLLIVSVLACNFSVILNLIRMHRRSRRSRCGPSLGSGRGGPGARRRGERVSMAEETDHLILLAIMTITFAVCSLPFTIFAYMNETSSRKEKWDLQALRFLSINSIIDPWVFAILRPPVLRLMRSVLCCRISLRTQDATQTSCSTQSDASKQADL
Gene Name PTGER2
Uniprot ID PE2R2_HUMAN
KEGG Pathway hsa:5732
Protein Family G-protein coupled receptor 1 family
Protein Function
Receptor for prostaglandin E2 (PGE2). The activity of this receptor is mediated by G(s) proteins that stimulate adenylate cyclase. The subsequent raise in intracellular cAMP is responsible for the relaxing effect of this receptor on smooth muscle.
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      Mechanism Description
  • Additive hypotensive effects by the combination of Fenoldopam and Iloprost 

Recommended Action
      Management While therapies that target the prostacyclin pathway have been used in combination with diuretics, antihypertensives, or other vasodilators in the management of pulmonary arterial hypertension, caution is recommended if they must be administered concurrently. If these drugs are used together, it is generally recommended that blood pressure be measured more frequently until a stable blood pressure pattern is observed. Patients should be advised to avoid rising abruptly from a sitting or recumbent position and to notify their doctor if they experience dizziness, lightheadedness, syncope, orthostatic hypotension, or tachycardia.

References
1 Cerner Multum, Inc. "UK Summary of Product Characteristics.".
2 Product Information. Flolan (epoprostenol). Glaxo Wellcome, Research Triangle Park, NC.
3 Product Information. Remodulin (treprostinil). United Therapeutics Corp, Silver Spring, MD.