Drug interactions
Desogestrel-ethinyl estradiol + Lonapegsomatropin
Severity: Moderate
Desogestrel-ethinyl estradiol and Lonapegsomatropin: 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
Oral estrogens reduce the IGF-1 response to growth hormone, so patients on oral estrogen may need higher lonapegsomatropin doses. Treatment effect may be blunted if the dose is not adjusted.
What this interaction means in plain words
Desogestrel-ethinyl estradiol and Lonapegsomatropin 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.
Desogestrel-ethinyl estradiol belongs to Endocrine; Lonapegsomatropin belongs to Endocrine.
Why it happens
Oral estrogen exposes the liver to high concentrations, suppressing hepatic GH signaling and IGF-1 production.
What to do
Monitor serum IGF-1 and growth response and titrate the lonapegsomatropin dose as needed. Re-evaluate the dose if oral estrogen is started or stopped.
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 Desogestrel-ethinyl estradiol
- Desogestrel-ethinyl estradiol + Fezolinetant Contraindicated
- Aminocaproic acid + Desogestrel-ethinyl estradiol Major
- Amobarbital + Desogestrel-ethinyl estradiol Major
- Anastrozole + Desogestrel-ethinyl estradiol Major
- Apalutamide + Desogestrel-ethinyl estradiol Major
- Atazanavir + Desogestrel-ethinyl estradiol Major
Other interactions of Lonapegsomatropin
Frequently asked questions
Can I take Desogestrel-ethinyl estradiol with Lonapegsomatropin?
MediHelp rates the interaction as moderate. Desogestrel-ethinyl estradiol and Lonapegsomatropin 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. Oral estrogens reduce the IGF-1 response to growth hormone, so patients on oral estrogen may need higher lonapegsomatropin doses. Treatment effect may be blunted if the dose is not adjusted.
How serious is the interaction between Desogestrel-ethinyl estradiol and Lonapegsomatropin?
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 serum IGF-1 and growth response and titrate the lonapegsomatropin dose as needed. Re-evaluate the dose if oral estrogen is started or stopped.
What other medicines interact with Desogestrel-ethinyl estradiol?
MediHelp also lists interactions of Desogestrel-ethinyl estradiol with, for example, Fezolinetant, Aminocaproic acid, Amobarbital. The full list is on the Desogestrel-ethinyl estradiol page.
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