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Drug interactions

Saxagliptin-metformin + Vandetanib

Severity: Moderate

Saxagliptin-metformin and Vandetanib: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Vandetanib inhibits renal organic cation transporter 2, which participates in metformin tubular secretion. Metformin exposure may rise, with a possible increase in gastrointestinal effects and, rarely, lactic acidosis.

What this interaction means in plain words

Saxagliptin-metformin and Vandetanib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Saxagliptin-metformin belongs to Endocrine; Vandetanib belongs to Oncology.

Evidence level: Moderate

Why it happens

Vandetanib inhibits OCT2-mediated renal uptake and secretion of metformin, reducing its clearance.

What to do

Monitor glycemic control and renal function, and watch for signs of metformin toxicity. Reduce the metformin dose if adverse effects develop.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Saxagliptin-metformin with Vandetanib?

MediHelp rates the interaction as moderate. Saxagliptin-metformin and Vandetanib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Vandetanib inhibits renal organic cation transporter 2, which participates in metformin tubular secretion. Metformin exposure may rise, with a possible increase in gastrointestinal effects and, rarely, lactic acidosis.

How serious is the interaction between Saxagliptin-metformin and Vandetanib?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor glycemic control and renal function, and watch for signs of metformin toxicity. Reduce the metformin dose if adverse effects develop.

What other medicines interact with Saxagliptin-metformin?

MediHelp also lists interactions of Saxagliptin-metformin with, for example, Atazanavir, Clozapine, Contrast media. The full list is on the Saxagliptin-metformin page.

Full monographs, dosing and an interaction checker in the MediHelp app

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