Details of Drug Interaction

Details of Drug-Drug Interaction

 Drug General Information (ID: DDI8OYGE9A)
  Drug Name Pentoxifylline Drug Info Tadalafil Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Vasodilator Agents Impotence Agents
  Structure

 Mechanism of Pentoxifylline-Tadalafil Interaction (Severity Level: Moderate)
     Additive hypotensive effects Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Pentoxifylline Tadalafil
      Mechanism 1 Antihypertensive agent Hypotensive effects
Prostacyclin receptor  Agonist
      Key Mechanism Factor 1
Factor Name Prostacyclin receptor
×
Structure Sequence
MADSCRNLTYVRGSVGPATSTLMFVAGVVGNGLALGILSARRPARPSAFAVLVTGLAATDLLGTSFLSPAVFVAYARNSSLLGLARGGPALCDAFAFAMTFFGLASMLILFAMAVERCLALSHPYLYAQLDGPRCARLALPAIYAFCVLFCALPLLGLGQHQQYCPGSWCFLRMRWAQPGGAAFSLAYAGLVALLVAAIFLCNGSVTLSLCRMYRQQKRHQGSLGPRPRTGEDEVDHLILLALMTVVMAVCSLPLTIRCFTQAVAPDSSSEMGDLLAFRFYAFNPILDPWVFILFRKAVFQRLKLWVCCLCLGPAHGDSQTPLSQLASGRRDPRAPSAPVGKEGSCVPLSAWGEGQVEPLPPTQQSSGSAVGTSSKAEASVACSLC
Gene Name PTGIR
Uniprot ID PI2R_HUMAN
KEGG Pathway hsa:5739
Protein Family G-protein coupled receptor 1 family
Protein Function
Receptor for prostacyclin (prostaglandin I2 or PGI2). The activity of this receptor is mediated by G(s) proteins which activate adenylate cyclase.
    Click to Show/Hide
      Mechanism Description
  • Additive hypotensive effects by the combination of Pentoxifylline and Tadalafil 
      Mechanism 2 Hypotensive effects Hypotensive effects
Prostacyclin receptor  Agonist
      Key Mechanism Factor 2
Factor Name Prostacyclin receptor
×
Structure Sequence
MADSCRNLTYVRGSVGPATSTLMFVAGVVGNGLALGILSARRPARPSAFAVLVTGLAATDLLGTSFLSPAVFVAYARNSSLLGLARGGPALCDAFAFAMTFFGLASMLILFAMAVERCLALSHPYLYAQLDGPRCARLALPAIYAFCVLFCALPLLGLGQHQQYCPGSWCFLRMRWAQPGGAAFSLAYAGLVALLVAAIFLCNGSVTLSLCRMYRQQKRHQGSLGPRPRTGEDEVDHLILLALMTVVMAVCSLPLTIRCFTQAVAPDSSSEMGDLLAFRFYAFNPILDPWVFILFRKAVFQRLKLWVCCLCLGPAHGDSQTPLSQLASGRRDPRAPSAPVGKEGSCVPLSAWGEGQVEPLPPTQQSSGSAVGTSSKAEASVACSLC
Gene Name PTGIR
Uniprot ID PI2R_HUMAN
KEGG Pathway hsa:5739
Protein Family G-protein coupled receptor 1 family
Protein Function
Receptor for prostacyclin (prostaglandin I2 or PGI2). The activity of this receptor is mediated by G(s) proteins which activate adenylate cyclase.
    Click to Show/Hide
      Mechanism Description
  • Additive hypotensive effects by the combination of Pentoxifylline and Tadalafil 

Recommended Action
      Management Caution is advised if pentoxifylline is used in combination with hypotensive agents. Periodic systemic blood pressure monitoring is recommended.

References
1 Product Information. Trental (pentoxifylline). Hoechst Marion-Roussel Inc, Kansas City, MO.