Skip to content

Drug interactions

Cinacalcet + Etelcalcetide

Severity: Contraindicated

Cinacalcet and Etelcalcetide: contraindicated 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

Both drugs activate the calcium-sensing receptor to suppress PTH, and together they can cause severe, life-threatening hypocalcemia. Etelcalcetide labeling advises against concomitant use.

What this interaction means in plain words

Cinacalcet and Etelcalcetide are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Cinacalcet belongs to Miscellaneous; Etelcalcetide belongs to Endocrine.

Evidence level: Moderate

Why it happens

Additive calcium-sensing receptor agonism causing excessive suppression of PTH and serum calcium.

What to do

Stop cinacalcet at least 7 days before starting etelcalcetide. Monitor serum calcium closely after the switch.

What to ask your pharmacist

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Cinacalcet and Etelcalcetide, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Cinacalcet with Etelcalcetide?

MediHelp rates the interaction as contraindicated. Cinacalcet and Etelcalcetide are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Both drugs activate the calcium-sensing receptor to suppress PTH, and together they can cause severe, life-threatening hypocalcemia. Etelcalcetide labeling advises against concomitant use.

How serious is the interaction between Cinacalcet and Etelcalcetide?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Stop cinacalcet at least 7 days before starting etelcalcetide. Monitor serum calcium closely after the switch.

What other medicines interact with Cinacalcet?

MediHelp also lists interactions of Cinacalcet with, for example, Eliglustat, Metoclopramide, Metoclopramide intranasal. The full list is on the Cinacalcet page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in