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Once weekly of TransCon hGH

Phase 3

Growth Hormone Deficiency, Pediatric | Small molecule | Endocrine |Ascendis Pharma A/S|Trials Updated: Jul 7, 2026

Once weekly of TransCon hGH target and mechanism

ModalitySmall molecule

Also known as Once weekly subcutaneous injection of TransCon hGH

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment162

FDA Designations

No designations recorded

Once weekly of TransCon hGH clinical trials

Once weekly of TransCon hGH · 1 trial · 5 indications

Phase 3 1
NCT02781727A Phase 3 Trial of the Safety, Tolerability and Efficacy of TransCon hGH Weekly Versus Daily hGH in Children With Growth Hormone Deficiency (GHD)Growth Hormone Deficiency, Pediatric
COMPLETED162 Analytics
PHASE3COMPLETED
A Phase 3 Trial of the Safety, Tolerability and Efficacy of TransCon hGH Weekly Versus Daily hGH in Children With Growth Hormone Deficiency (GHD)
Growth Hormone Deficiency, PediatricUnlock trial analytics

Study Endpoints

Primary Endpoints

Annualized Height Velocity at 52 Weeks for Weekly Lonapegsomatropin and Daily hGH Treatment Groups
52 weeks

Annualized height velocity (AHV) at 52 weeks for weekly lonapegsomatropin (TransCon hGH) and daily hGH treatment groups

Secondary Endpoints

Number of Participants With Treatment-Emergent Adverse Events [Safety and Tolerability]
52 Weeks
Annualized Height Velocity Over 52 Weeks for Weekly Lonapegsomatropin and Daily hGH Treatment Groups
Week 5, Week 13, Week 26, Week 39 and Week 52
Change in Height Standard Deviation Score Over 52 Weeks for the Weekly Lonapegsomatropin and Daily hGH Treatment Groups
Week 5, Week 13, Week 26, Week 39 and Week 52
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
TransCon hGHEXPERIMENTALOnce weekly subcutaneous injection of TransCon hGH
human growth hormone (Genotropin)ACTIVE_COMPARATOROnce daily subcutaneous injection of Genotropin

Interventions

NameTypeDescription
Once weekly subcutaneous injection of TransCon hGHDRUGOnce weekly subcutaneous injection
Once daily subcutaneous injection of GenotropinDRUGOnce daily subcutaneous injection
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Eligibility Criteria

Age Range3 Years to 12 Years
SexALL
Healthy VolunteersNo
Study Sites53

Inclusion Criteria: * Prepubertal children with GHD (either isolated or as part of a multiple pituitary hormone deficiency) in Tanner stage 1 (Tanner 1982) aged: * Boys: 3-12 years, inclusive * Girls: 3-11 years, inclusive * Impaired height (HT) defined as at least 2.0 standard deviations (SD)...

Countries:United StatesArmeniaAustraliaBelarusBulgariaGeorgiaGreeceItalyNew ZealandPolandRomaniaRussiaTurkey (Türkiye)Ukraine
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Recent Changes (Last 90 Days)

MEDIUMAug 7, 2026NCT02781727TRIAL_REMOVED: changed
MEDIUMAug 7, 2026NCT02781727TRIAL_REMOVED: changed
MEDIUMAug 7, 2026NCT02781727TRIAL_REMOVED: changed

Frequently asked questions about Once weekly of TransCon hGH

What is once weekly TransCon hGH?

Once weekly TransCon hGH is an investigational long-acting human growth hormone therapy developed by Ascendis Pharma A/S for pediatric growth hormone deficiency. It is designed to be given as a once weekly subcutaneous injection, compared with daily injections of standard human growth hormone. It has completed a Phase 3 clinical trial in children with growth hormone deficiency.

What is once weekly TransCon hGH used for?

Once weekly TransCon hGH is being developed for the treatment of pediatric growth hormone deficiency, a condition in which children do not produce enough growth hormone. The goal of treatment is to support normal growth. It is investigational and has been studied in children aged 3 years and older.

Who is developing once weekly TransCon hGH?

Once weekly TransCon hGH is being developed by Ascendis Pharma A/S, which trades on the Nasdaq under the ticker ASND. The company is the sponsor of the clinical program evaluating the once weekly subcutaneous injection in pediatric growth hormone deficiency.

What phase is once weekly TransCon hGH in?

Once weekly TransCon hGH has completed a Phase 3 clinical trial in pediatric growth hormone deficiency. It is an investigational therapy and is not described as approved. The Phase 3 study, NCT02781727, has been completed and enrolled 162 participants.

What clinical trials is once weekly TransCon hGH in?

Once weekly TransCon hGH has been studied in one Phase 3 trial, NCT02781727, titled a Phase 3 trial of the safety, tolerability and efficacy of TransCon hGH weekly versus daily hGH in children with growth hormone deficiency. The trial was completed, enrolled 162 participants, and was active-controlled with randomization.

Is once weekly TransCon hGH the same as once weekly subcutaneous injection of TransCon hGH?

Yes. Once weekly TransCon hGH and once weekly subcutaneous injection of TransCon hGH refer to the same investigational product from Ascendis Pharma A/S. The longer name describes the route of administration, a subcutaneous injection given once weekly, while the shorter name is the common shorthand for the same therapy.