Drug General Information (ID: DDIXP1LUBG)
  Drug Name Orlistat Drug Info Ospemifene Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Antiobesity Agents Selective Estrogen Receptor Modulators
  Structure

 Mechanism of Orlistat-Ospemifene Interaction (Severity Level: Moderate)
     Altered absorption (Unspecific) Click to Show/Hide Mechanism Graph
      Drug Name Orlistat Ospemifene
      Mechanism Orlistat Absorption possibly altered by orlistat
      Key Mechanism Factor 1
Factor Name Pharmacokinetic
Factor Description Alters the absorption of the drug, leading to changes in the plasma concentration of the drug and affecting the pharmacological effects.
      Mechanism Description
  • Altered absorption of Ospemifene caused by Orlistat 

Recommended Action
      Management Caution is advised if orlistat and ospemifene are used in combination. Patients should be monitored for clinical evidence of altered ospemifene efficacy. Separating the doses of orlistat and ospemifene by at least 2 hours may help minimize the potential for an interaction.

References
1 Cerner Multum, Inc. "UK Summary of Product Characteristics.".