Critical Pharmacodynamic Warning

cilostazol affects the 3A457 metabolic pathway.

When patients take cilostazol concurrently with drugs metabolized by 3A457, the risk of adverse effects may significantly increase. This interaction affects drug clearance and systemic exposure, potentially leading to toxicity or reduced therapeutic efficacy.

Clinical Impact: As a in-vitro only, cilostazol can alter the metabolism of substrate drugs, requiring careful monitoring and potential dose adjustments.

Clinical Overview for cilostazol

This page outlines known interaction pathways involving cilostazol, focusing primarily on its profile as a In-Vitro Only affecting the 3A457 pathway.

Enzyme Interaction Profile

cilostazol demonstrates in-vitro only potency against 3A457. Clinical significance of this interaction requires further evaluation.

Inhibitor

A substance that slows down or prevents an enzyme from metabolizing a drug. Inhibitors can lead to increased drug concentrations in the body, potentially causing toxicity or enhanced therapeutic effects.

Clinical Example: cilostazol affects 3A457

Inducer

A substance that speeds up enzyme activity, causing drugs to be cleared from the body faster. Inducers can reduce drug effectiveness by lowering concentrations below therapeutic levels.

Known Inducers: efavirenz
Interaction Details
Drug Name cilostazol
Affected Enzyme 3A457
Inhibitor Strength In-Vitro Only Laboratory Evidence
Inducers efavirenz
Inhibitors chloramphenicol
Clinical Recommendations

Evidence from laboratory studies only. Clinical significance unknown.

Monitoring Parameters:
  • Therapeutic drug levels
  • Adverse effect monitoring
  • Clinical response assessment
Dose Considerations:
  • Consider dose reduction
  • Evaluate alternative therapies
  • Adjust based on response
Quick Facts
Interaction ID
1402
Primary Pathway
3A457
Interaction Type
Enzyme Inhibition
Clinical Phase
Laboratory Evidence
Clinical Significance

Clinical significance requires further evaluation.

Information Sources
  • FDA Drug Interaction Database
  • Clinical Pharmacology Guidelines
  • Pharmaceutical Labeling Information
  • Published Clinical Studies
Last updated: June 19, 2026
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