Drugs / eneboparatide
last change May 2026 re-read 3 minutes ago

eneboparatide

also known as AZP-3601 · Eneboparatida

Protein / enzyme biologic

Developed for
hypoparathyroidism
Investigated by
Alexion Pharmaceuticals, Inc. · Amolyt Pharma

Trials 2

202120222023202420252026
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/21 trial
Phase 1/2 NCT05239221 Sep 2020 → Aug 2022 hypoparathyroidism Alexion Pharmaceuticals, Inc. Completed No outcome recorded
Phase 31 trial · 1 met primary
Phase 3 NCT05778071 Jun 2023 → Nov 2024 overdue hypoparathyroidism Alexion Pharmaceuticals, Inc. Active not recruiting Met primary

News releases announcing trial results or a regulatory action · 2

DateIssuerRelease
2026-05-12 AstraZeneca Results Eneboparatide normalised serum calcium and achieved independence from active vitamin D and oral calcium supplements in 31.1% of adults with hypoparathyroidism at week 24 in CALYPSO Phase III trial astrazeneca.com ↗
2025-03-17 AstraZeneca Results Eneboparatide met primary endpoint of normalising serum calcium in adults with hypoparathyroidism at 24 weeks in CALYPSO Phase III trial astrazeneca.com ↗
High-level results from the CALYPSO Phase III trial showed that eneboparatide (AZP-3601), an investigational parathyroid hormone (PTH) receptor 1 agonist, met its primary endpoint with statistical significance in adults with chronic hypoparathyroidism (HypoPT) at 24 weeks, compared to placebo.

Evidence & citations 6 cited values

Every value below carries the sentence it was read from. 4 sources stand behind the page.

FieldValueCited text
Known as eneboparatide ClinicalTrials.gov intervention name — accepted as the source's own label NCT05778071 ↗
Known as AZP-3601 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05239221 ↗
Known as Eneboparatida ChEMBL registry synonym — accepted as the source's own label CHEMBL5095311 ↗
Action Activate “Phase 1 clinical trial of eneboparatide, a novel PTH receptor 1 agonist.” PMID 40423237 ↗ Jun 2025
Modality Protein / enzyme biologic — CHEMBL5095311 ↗
Route Subcutaneous “subcutaneous (sc) administration once daily” NCT05239221 ↗