DelveInsight’s “Hypoparathyroidism – Pipeline Insight, 2025” explores a growing pipeline of next-generation treatments focused on PTH replacement, regenerative cell therapies, and novel calcium-sensing receptor antagonists. More than 5 promising candidates are currently in various stages of development, aiming to restore physiological calcium-phosphate balance by directly addressing the root hormonal deficiency.
Key industry players such as Ascendis Pharma, Amolyt Pharma, Eli Lilly, Extend Biosciences, and Calcimedica are actively shaping the future of hypoparathyroidism treatment. Ascendis Pharma’s TransCon PTH, a long-acting prodrug of parathyroid hormone, has emerged as a leading late-stage candidate with strong clinical data demonstrating durable normalization of calcium levels and reduced dependence on conventional therapy. Meanwhile, Amolyt’s eneboparatide (AZP-3601) is a PTH1 receptor agonist designed to mimic the natural circadian rhythm of PTH secretion.
Innovative approaches also include allogeneic parathyroid cell implantation and small molecules targeting the calcium-sensing receptor (CaSR), offering the potential for durable or even curative treatments. These pipeline advancements reflect a paradigm shift in hypoparathyroidism care—from symptomatic control to hormonal restoration and physiological regulation.
DelveInsight’s report delivers a comprehensive analysis of the hypoparathyroidism pipeline, covering clinical trial timelines, mechanisms of action, regulatory updates, and competitive benchmarking. As these novel therapies advance, the hypoparathyroidism market is poised for a transformation—one that promises more personalized, effective, and life-enhancing treatment strategies for patients worldwide.
Interested in learning more about the current treatment landscape and the key drivers shaping the hypoparathyroidism pipeline? Dive in now!
Key Takeaways from the Hypoparathyroidism Pipeline Report
• DelveInsight’s hypoparathyroidism pipeline analysis depicts a strong space with 5+ active players working to develop 5+ pipeline drugs for hypoparathyroidism treatment.
• The leading hypoparathyroidism companies include Ascendis Pharma, Calcilytix Therapeutics, Amolyt Pharma, AEterna Zentaris Inc, Entera Bio, Sigilon Therapeutics, ProLynx, Extend Biosciences, and others, which are evaluating their lead assets to improve the Hypoparathyroidism treatment landscape.
• Key hypoparathyroidism pipeline therapies in various stages of development include TransCon PTH, Encaleret, AZP 3601, EB612, EXT607, AEZS 150, and others.
• In March 2025, the CALYPSO Phase III trial showed that eneboparatide (AZP-3601), an investigational PTH receptor 1 agonist, met its primary endpoint with statistical significance in adults with chronic hypoparathyroidism at 24 weeks, outperforming placebo. The primary endpoint included normalisation of serum calcium levels and independence from active vitamin D and calcium therapy.
• In September 2024, Ascendis Pharma A/S (Nasdaq: ASND) announced that the FDA granted Orphan Drug exclusivity to YORVIPATH (palopegteriparatide, developed as TransCon PTH) for seven years. YORVIPATH is designed for the treatment of hypoparathyroidism in adults, a rare endocrine disease caused by insufficient parathyroid hormone, affecting approximately 70,000 to 90,000 people in the United States.
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Hypoparathyroidism Overview
Hypoparathyroidism is a rare endocrine disorder caused by insufficient production or activity of parathyroid hormone (PTH), leading to low calcium and high phosphate levels in the blood. The most common cause is surgical removal or damage to the parathyroid glands, often during thyroid or neck surgery. Other causes include autoimmune disease, genetic mutations, or idiopathic origins. Symptoms typically include muscle cramps, tingling sensations, fatigue, and in severe cases, seizures or cardiac complications due to prolonged hypocalcemia.
Management traditionally involves calcium and active vitamin D supplementation to maintain serum calcium levels, but this approach does not fully replicate the natural actions of PTH. Emerging therapies—including long-acting PTH analogs like TransCon PTH, AZP-3601, and Encaleret—aim to restore more physiologic calcium homeostasis and reduce treatment burdens, offering new hope for improved disease control and quality of life.
Hypoparathyroidism Treatment Analysis: Drug Profile
TransCon PTH: Ascendis Pharma
TransCon™ PTH is an investigational prodrug of parathyroid hormone (PTH) being developed as a once-daily hormone replacement therapy. It aims to maintain physiologic PTH levels continuously over 24 hours, addressing both the immediate symptoms and long-term complications associated with hypoparathyroidism. The therapy is designed to normalize serum and urinary calcium, as well as serum phosphate levels, ultimately improving patients’ quality of life. TransCon PTH has received orphan drug designation in the U.S. and Europe and is currently undergoing Phase III clinical trials for the treatment of hypoparathyroidism.
Encaleret: Calcilytix Therapeutics
Encaleret is an investigational small molecule that acts as an antagonist of the calcium-sensing receptor (CaSR), a G-protein-coupled receptor responsible for detecting extracellular calcium levels. By modulating CaSR activity, which functions as a ‘calciostat’ regulating serum calcium through control of PTH release and calcium reabsorption, Encaleret aims to restore calcium balance in patients.
Discover the emerging therapies transforming hypoparathyroidism treatment here: https://www.delveinsight.com/report-store/hypoparathyroidism-pipeline-insight
Hypoparathyroidism Therapeutics Assessment
By Product Type
• Mono
• Combination
• Mono/Combination.
By Stage
• Late-stage products (Phase III)
• Mid-stage products (Phase II)
• Early-stage product (Phase I) along with the details of
• Pre-clinical and Discovery stage candidates
• Discontinued & Inactive candidates
By Route of Administration
• Oral
• Parenteral
• Intravenous
• Subcutaneous
• Topical
By Molecule Type
• Monoclonal Antibody
• Peptides
• Polymer
• Small molecule
• Gene therapy
Scope of the Hypoparathyroidism Pipeline Report
• Coverage: Global
• Key Hypoparathyroidism Companies: Ascendis Pharma, Calcilytix Therapeutics, Amolyt Pharma, AEterna Zentaris Inc, Entera Bio, Sigilon Therapeutics, ProLynx, Extend Biosciences, and others.
• Key Hypoparathyroidism Pipeline Therapies: TransCon PTH, Encaleret, AZP 3601, EB612, EXT607, AEZS 150, and others.
Take a deep dive into key insights on leading and emerging therapies for Hypoparathyroidism!
Table of Contents
1. Introduction
2. Executive Summary
3. Hypoparathyroidism Pipeline: Overview
4. Analytical Perspective In-depth Commercial Assessment
5. Hypoparathyroidism Pipeline Therapeutics
6. Hypoparathyroidism Pipeline: Late-Stage Products (Phase III)
7. Hypoparathyroidism Pipeline: Mid-Stage Products (Phase II)
8. Hypoparathyroidism Pipeline: Early Stage Products (Phase I)
9. Therapeutic Assessment
10. Inactive Products
11. Company-University Collaborations (Licensing/Partnering) Analysis
12. Key Companies
13. Key Products
14. Unmet Needs
15. Market Drivers and Barriers
16. Future Perspectives and Conclusion
17. Analyst Views
18. Appendix
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