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Etoposide (VePesid)

Raw research findings for this medication. Mostly single studies, not curated or confirmed robust.

About Etoposide

What it is

Etoposide (VP-16) is a chemotherapy medicine derived from the mayapple plant. It blocks topoisomerase II, an enzyme that untangles DNA, so breaks build up in the DNA of dividing cells and they die. It is used for testicular cancer, small cell lung cancer, lymphomas and leukaemias, among others. It is sold as VePesid and Etopophos, among other names.

How genes come into it

Etoposide is broken down by CYP3A4 and pumped out of cells by ABCB1. Most gene studies on it were done in people receiving several medicines at once, such as in testicular cancer, and looked at DNA repair genes (ERCC1, ERCC2) and GSTP1 for side effects such as hearing loss and nerve damage, which are mostly due to cisplatin given at the same time. The findings come from single or a few studies, and there is no CPIC or DPWG guideline.

What research found

Every published finding on gene variants and Etoposide. Upload your DNA file to see which of these rows apply to you.

Rated evidence (16 rated variants)

PharmGKB weighs all studies of a variant and rates how strong the evidence is, from 1A (strongest) to 4.

SLIT1 rs2784917: Level 3. Toxicity. 1.

BLMH rs1050565: Level 3. Toxicity: Alopecia, Pain, Testicular Neoplasms. 1.

ERCC1 rs3212986: Level 3. Toxicity: Testicular Neoplasms, Vomiting. 1.

ERCC2 rs1799793: Level 3. Toxicity: Anemia, Testicular Neoplasms. 1.

Metabolism (2 findings)

Studies of how quickly the body processes this medication.

ABCB1 rs1045642: Genotype GG is associated with increased metabolism of etoposide in people with Precursor Cell Lymphoblastic Leukemia-Lymphoma as compared to genotypes AA + AG.

SLIT1 rs2784917: Genotype AA is associated with decreased inhibition of etoposide as compared to genotypes AG + GG.

Other findings (1 finding)

Studies that do not fall into the groups above.

rs446112: Genotype AA is associated with increased resistance to etoposide as compared to genotypes AG + GG.

Study findings and evidence levels: PharmGKB (CC BY-SA 4.0). Guidelines: CPIC and DPWG, as bundled in PharmCAT. Most studies were done mainly in people of European ancestry.

Related Drugs

More drugs from the same category

Camptosar (Topoisomerase Inhibitors)

Hycamtin (Topoisomerase Inhibitors)

XK469 (Topoisomerase Inhibitors)

Not a prescribing recommendation. This page is educational information about pharmacogenomic research and clinical guidelines - it is not medical or dosing advice, and not a prediction of how any medication will work for you. Never start, stop, or change a medication or dose based on it; talk to your doctor or pharmacist, who can order clinical-grade testing if appropriate.

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Content updated September 2026.

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