Drug interactions
Insulin detemir + Pegvisomant
Severity: Moderate
Insulin detemir and Pegvisomant: 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
Pegvisomant blocks growth hormone action and lowers IGF-1, which can improve insulin sensitivity. In diabetic patients on insulin, reduced insulin requirements and hypoglycemia have been reported.
What this interaction means in plain words
Insulin detemir and Pegvisomant 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.
Insulin detemir belongs to Endocrine; Pegvisomant belongs to Endocrine.
Why it happens
Growth hormone receptor antagonism removes the counter-regulatory, insulin-antagonistic effect of growth hormone, increasing insulin sensitivity.
What to do
Monitor blood glucose frequently after pegvisomant is started or the dose is changed. Reduce the insulin detemir dose if glucose falls.
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?
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Other interactions of Insulin detemir
Other interactions of Pegvisomant
- Alogliptin-metformin + Pegvisomant Moderate
- Alogliptin-pioglitazone + Pegvisomant Moderate
- Chlorpropamide + Pegvisomant Moderate
- Codeine + Pegvisomant Moderate
- Dapagliflozin-metformin + Pegvisomant Moderate
- Ertugliflozin-sitagliptin + Pegvisomant Moderate
Frequently asked questions
Can I take Insulin detemir with Pegvisomant?
MediHelp rates the interaction as moderate. Insulin detemir and Pegvisomant 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. Pegvisomant blocks growth hormone action and lowers IGF-1, which can improve insulin sensitivity. In diabetic patients on insulin, reduced insulin requirements and hypoglycemia have been reported.
How serious is the interaction between Insulin detemir and Pegvisomant?
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 blood glucose frequently after pegvisomant is started or the dose is changed. Reduce the insulin detemir dose if glucose falls.
What other medicines interact with Insulin detemir?
MediHelp also lists interactions of Insulin detemir with, for example, Alogliptin-pioglitazone, Ethanol, Glimepiride-pioglitazone. The full list is on the Insulin detemir page.
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