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Palopegteriparatide

Phase 3

Hypoparathyroidism | Small molecule | Endocrine |Ascendis Pharma A/S|Last Updated: Aug 24, 2026

Target and mechanism

Molecular targetPTH1R
Target classAgonist
ModalitySmall molecule

Also known as Palopegteriparatide Experimental Arm, Palopegteriparatide Control Arm

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLED
Total Trials2
Total Enrollment48

FDA Designations

No designations recorded

Clinical trial landscape

Palopegteriparatide · 2 trials · 3 indications

Phase 3 2
NCT07081997A Phase 3 Randomized Clinical Trial to Investigate the Safety and Efficacy of Palopegteriparatide at Doses Greater Than 30 μg/Day in Adult Participants With HypoparathyroidismHypoparathyroidism
RECRUITING36 Analytics
NCT07706764A Study to Test the Effects and Safety of Palopegteriparatide in Adolescents With Long-term HypoparathyroidismHypoparathyroidism
RECRUITING12 Analytics
PHASE3RECRUITING
A Phase 3 Randomized Clinical Trial to Investigate the Safety and Efficacy of Palopegteriparatide at Doses Greater Than 30 μg/Day in Adult Participants With Hypoparathyroidism
HypoparathyroidismUnlock trial analytics
PHASE3RECRUITING
A Study to Test the Effects and Safety of Palopegteriparatide in Adolescents With Long-term Hypoparathyroidism
HypoparathyroidismUnlock trial analytics

Study Endpoints

Primary Endpoints

Efficacy - Primary endpoint
26 weeks

The proportion of participants with: Albumin-adjusted serum calcium (sCa) measured within 4 weeks prior to and on the Week 26 visit within the normal range (8.3-10.6 mg/dL); and independence from active vitamin D; and independence from therapeutic doses of calcium; and no increase in prescribed investigational product within 4 weeks prior to Week 26 visit.

Percentage of participants meeting the multicomponent efficacy endpoint at Week 26
26 weeks

The multi-component endpoint is the percentage of participants who met the following criteria at Week 26: 1) albumin-adjusted serum calcium within the normal range ; 2) independence from active vitamin D, and 3) independence from therapeutic doses of calcium

Secondary Endpoints

Percentage of participants meeting the multicomponent efficacy endpoint through Week 234
234 weeks
Serum biochemistries
234 weeks
Renal calcifications
234 weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Palopegteriparatide Experimental ArmEXPERIMENTALPalopegteriparatide administered once daily by subcutaneous injection and titrated to an optimal dose by a novel titration algorithm.
Palopegteriparatide Control ArmACTIVE_COMPARATORPalopegteriparatide administered once daily by subcutaneous injection and titrated to an optimal dose by a previously evaluated titrated algorithm
Palopegteriparatide, once dailyEXPERIMENTALParticipants will receive palopegteriparatide by subcutaneous injection for 234 weeks

Interventions

NameTypeDescription
Palopegteriparatide Experimental ArmCOMBINATION_PRODUCTPalopegteriparatide is administered as separate SC injection in a prefilled, single-patient use pen. Treatment duration 78 weeks.
Palopegteriparatide Control ArmCOMBINATION_PRODUCTPalopegteriparatide is administered as separate SC injection in a prefilled, single-patient use pen. Treatment duration 78 weeks.
PalopegteriparatideCOMBINATION_PRODUCTSubcutaneous injection for 234 weeks
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites7

Inclusion criteria: 1. Males and females, ≥18 years of age at the time of providing informed consent 2. Participants with postsurgical chronic hypoparathyroidism (HP), or auto-immune, genetic, or idiopathic HP, for at least 26 weeks 3. Receiving doses of palopegteriparatide at or above 30 µg/day ...

Countries:United StatesFrancePoland
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Competitive Landscape -Hypoparathyroidism 5 trials

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Recent Changes (Last 90 Days)

LOWAug 24, 2026NCT07081997lastUpdatePostDate: changed
LOWAug 24, 2026NCT07081997lastUpdatePostDate: changed
MEDIUMAug 7, 2026NCT07081997startDate: changed
MEDIUMAug 7, 2026NCT07081997startDate: changed
LOWJul 28, 2026NCT07706764lastUpdatePostDate: changed
LOWJul 28, 2026NCT07706764lastUpdatePostDate: changed
LOWJul 17, 2026NCT07706764NEW_TRIAL: changed
LOWJul 17, 2026NCT07706764NEW_TRIAL: changed
LOWJul 17, 2026NCT07706764NEW_TRIAL: changed

Frequently asked questions about Palopegteriparatide

What is palopegteriparatide used for?

Palopegteriparatide is being developed for the treatment of hypoparathyroidism, an endocrine condition in which the parathyroid glands do not produce enough parathyroid hormone. It is under investigation in both adults and adolescents with long-term hypoparathyroidism. It is not yet approved and remains in clinical development.

What does palopegteriparatide target?

Palopegteriparatide targets PTH1R, the parathyroid hormone 1 receptor, and acts as an agonist at that receptor. By stimulating PTH1R, it is designed to replace the parathyroid hormone signaling that is deficient in hypoparathyroidism. It is a small molecule agonist being studied in Phase 3 trials.

Who is developing palopegteriparatide?

Palopegteriparatide is being developed by Ascendis Pharma A/S, which trades under the ticker ASND. The company is running the Phase 3 clinical program evaluating the drug in patients with hypoparathyroidism, including both adult and adolescent populations.

What phase is palopegteriparatide in?

Palopegteriparatide is in Phase 3 clinical development. Two Phase 3 trials are currently recruiting, and no trials have been completed. The drug is investigational and has not been approved for any indication. Development is focused on hypoparathyroidism in adults and adolescents.

What clinical trials is palopegteriparatide in?

Palopegteriparatide is being studied in two recruiting Phase 3 trials. NCT07706764 is testing it in adolescents aged 12 and older with long-term hypoparathyroidism in France and Poland, enrolling 12 participants. NCT07081997 is evaluating doses greater than 30 micrograms per day in adults with hypoparathyroidism in the United States, enrolling 36 participants.

Is palopegteriparatide the same as palopegteriparatide experimental arm or control arm?

Yes, palopegteriparatide experimental arm and palopegteriparatide control arm are alternative names used for palopegteriparatide in trial records. They refer to the same investigational drug, which is being developed by Ascendis Pharma A/S for hypoparathyroidism and is currently in Phase 3 testing.