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Dual therapy with navepegritide and lonapegsomatropin

Phase 3

Achondroplasia | Small Molecules | Rare Disease |Ascendis Pharma A/S|Trials Updated: Nov 12, 2026

Dual therapy with navepegritide and lonapegsomatropin development status

Highest phase Phase 3
Registered trials 1 across 1 sponsor since Nov 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials1
Total Enrollment144

FDA Designations

No designations recorded

Dual therapy with navepegritide and lonapegsomatropin clinical trials

Dual therapy with navepegritide and lonapegsomatropin · 1 trial · 1 indication

Phase 3 1
NCT07924059Clinical Trial Evaluating the Efficacy and Safety of Navepegritide and Lonapegsomatropin in AchondroplasiaAchondroplasia
NOT YET_RECRUITING144 Analytics
PHASE3NOT YET_RECRUITING
Clinical Trial Evaluating the Efficacy and Safety of Navepegritide and Lonapegsomatropin in Achondroplasia
AchondroplasiaUnlock trial analytics

Study Endpoints

Primary Endpoints

Annualized Growth Velocity (AGV)
52 weeks

To evaluate the AGV, cm per year, of dual therapy with navepegritide and lonapegsomatropin compared to navepegritide alone

Secondary Endpoints

Annualized Growth Velocity (AGV)
52 weeks
Annualized Growth Velocity (AGV) change from baseline
52 weeks
ACH-specific height Z-score
52 weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Once weekly navepegritide SC and lonapegsomatropin SCEXPERIMENTAL -
Once weekly navepegritide SC and placebo for lonapegsomatropin SCEXPERIMENTAL -
Once weekly lonapegsomatropin SC and placebo for navepegritide SCEXPERIMENTAL -

Interventions

NameTypeDescription
Dual therapy with navepegritide and lonapegsomatropinDRUGAdministered weekly as two separate SC injections. Treatment duration of up to 104 weeks
Dual therapy with navepegritide and placebo for lonapegsomatropinDRUGAdministered as two separate SC injections. Treatment duration of up to 52 weeks of navepegritide and placebo for lonapegsomatropin followed by 52 weeks of navepegritide and lonapegsomatropin.
Dual therapy with lonapegsomatropin and placebo for navepegritideDRUGAdministered as two separate SC injections. Treatment duration of up to 52 weeks of lonapegsomatropin and placebo for navepegritide followed by 52 weeks of navepegritide and lonapegsomatropin.
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Eligibility Criteria

Age Range2 Years to 17 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * 1\. Age 2 to \<18 years at randomization * 2\. Clinical diagnosis of ACH with historical genetic confirmation * 3\. At least 1 height measurement available from medical records Exclusion Criteria: * 1\. Treatment with growth hormone within 1 year prior to randomization * 2\....

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Recent Changes (Last 90 Days)

LOWNov 12, 2026NCT07924059lastUpdatePostDate: changed
LOWNov 12, 2026NCT07924059lastUpdatePostDate: changed
LOWNov 9, 2026NCT07924059NEW_TRIAL: changed
LOWNov 9, 2026NCT07924059NEW_TRIAL: changed