CYP2B6

Gastrointestinal & Hepatic System · Phase I & Phase II Xenobiotic Detoxification

Why might CYP2B6 come up in a medication review?

CYP2B6 makes an enzyme that metabolizes certain medicines and other foreign compounds. Any prescribing implication depends on the specific drug and a clinically interpreted genetic result.

Common Gene Name
cytochrome P450 family 2 subfamily B member 6
NCBI Gene ID
1555
Chromosome
19

Clinical Evidence Status

Drug-response evidence availableTumor or drug-label biomarker context

These labels describe available evidence about a gene. They do not classify your variant or recommend a treatment.

Answer Sources

Explore supporting evidence (4 records)
Condition or drugEvidenceGrade / statusContextSource
EfavirenzFDA pharmacogeneticsPotential safety or response effectDrug-specific subgroupView source
EfavirenzFDA labeling biomarkerLabel mentions biomarker; actionability not inferredInfectious DiseasesView source
Ospemifene (2)FDA labeling biomarkerLabel mentions biomarker; actionability not inferredGynecologyView source
Prasugrel (4)FDA labeling biomarkerLabel mentions biomarker; actionability not inferredCardiologyView source

Source snapshot: 2026-09-09. Consumer text updated: 2026-09-10. Source dates describe the cited records, not a new clinical review.

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