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This platform provides peer-reviewed research summaries and educational content about peptides for wellness and optimization purposes. Nothing on this site is intended as medical advice, diagnosis, or treatment. We do not claim any peptide can diagnose, treat, cure, or prevent any disease. Always consult a licensed healthcare provider before beginning any wellness protocol.

Statements on this site have not been evaluated by the FDA. Compounded preparations are subject to applicable state and federal regulations. Availability and eligibility vary.

Calcium-Sensing Receptor Agonist · Endocrine

Etelcalcetide (Parsabiv) Peptide

Calcimimetic peptide for secondary hyperparathyroidism on hemodialysis.

Medically reviewed for educational accuracy
Published Last reviewed

What is Etelcalcetide (Parsabiv)?

Etelcalcetide (Parsabiv) is a calcium-sensing receptor agonist · endocrine peptide studied for secondary hyperparathyroidism in adults on chronic hemodialysis. Below is an educational overview of Etelcalcetide (Parsabiv) peptide benefits, mechanism, common research protocols, dosage references, and known side effects.

FDA-Approved

Plain-Language Label Highlights

Brand names: Parsabiv

What it's approved for

Secondary hyperparathyroidism in adults on chronic hemodialysis.

An IV given at the end of dialysis that lowers high parathyroid hormone levels caused by kidney failure.

Common side effects
  • Low blood calcium (very common)
  • Muscle spasms
  • Diarrhea
  • Nausea
  • Vomiting
Serious risks to know
  • Symptomatic hypocalcemia (numbness, tetany, seizures, QT prolongation, arrhythmia)
  • Heart failure worsening
  • Upper GI bleeding (caution with risk factors)
Who should avoid or use with extra caution
  • Serum calcium below the lower limit of normal
  • Known hypersensitivity to etelcalcetide

Educational summary of the FDA prescribing information. Not a substitute for the full label or medical advice. Always discuss with a licensed prescriber.

Etelcalcetide (Parsabiv) Mechanism of Action

Synthetic D-amino-acid peptide that binds the calcium-sensing receptor on parathyroid chief cells, increasing its sensitivity to extracellular calcium and lowering PTH secretion.

Etelcalcetide (Parsabiv) Research Areas & Benefits

Secondary hyperparathyroidism in adults on chronic hemodialysis

Etelcalcetide (Parsabiv) Dosage & Common Research Protocols

IV three times weekly

5 mg IV bolus at end of hemodialysis three times weekly; titrate.

Protocols summarized for educational reference from published research. Not dosing guidance.

Etelcalcetide (Parsabiv) Studies & Cited Research

[1]JAMA·2017 Peer-reviewed

Etelcalcetide vs cinacalcet

Non-inferior PTH reduction with IV administration.

Why we trust this source: Published in a peer-reviewed scientific journal with editorial and reviewer oversight.

Citations are linked to PubMed, Google Scholar, and Crossref searches so you can verify the source independently. All references are reviewed during our editorial passes (last reviewed June 1, 2026).

Etelcalcetide (Parsabiv) Side Effects & Safety Considerations

  • FDA-approved.
  • Hypocalcemia common; monitor calcium and avoid in low corrected calcium.

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Educational Information Only — Not Medical Advice

All content on this page is for educational and informational purposes only. It is not medical advice, diagnosis, or treatment. We make no claims that any peptide can diagnose, treat, cure, or prevent any disease. Peptides discussed are not FDA-approved for the indications listed unless explicitly stated otherwise.

Always consult a licensed healthcare provider before beginning any wellness protocol. Statements have not been evaluated by the FDA. Compounded preparations are subject to applicable state and federal regulations. Availability, eligibility, and pricing may vary.

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