Clinical trials

5

Search and review clinical trials. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

Trial Investigating the Efficacy and Safety of Weekly Lonapegsomatropin Compared to Daily Somatropin in Children and Adolescents With Short Stature or Growth Failure Due to Growth Hormone Sufficient Disorders

This basket trial will enroll prepubertal children and adolescents with clinically diagnosed and genetically confirmed (if applicable) TS, SHOX-D, SGA, or ISS between ages of ≥2 and \<18 years with open growth plates. The purpose of the study is to see how well treatment with once-weekly lonapegsomatropin works compared to treatment with daily somatropin. Approximately 186 participants will be distributed equally (1:1), to receive either lonapegsomatropin for 2 years or somatropin for 1 year followed by lonapegsomatropin for 1 year. This trial will be conducted in the United States, France, Germany, Italy, Romania, Spain and South Korea.

Participants needed: 186
Trial details
Phase: Phase 3Age: 2-17Biological sex: AllType: InterventionalSponsor: Ascendis Pharma A/SUpdated: Jun 23, 2026Locations: 25
Eligibility criteria

Chronological age between ≥2 and <18 years, at start of screening. [+6]

Advanced bone age X-ray by central reading defined as >20% above chronological a... [+19]

Status: Recruiting

A Clinical Trial to Evaluate Efficacy and Safety of Navepegritide in Adolescents (12 - 18 Years of Age) With Achondroplasia.

The purpose of this clinical trial is to evaluate efficacy and safety of once weekly subcutaneous (SC) doses of navepegritide 100 μg/kg compared to placebo (inactive drug) in adolescents aged 12 to 18 years with Achondroplasia. What will be measured is Annualized Growth Velocity after a 52-week treatment period.

Participants needed: 24
Trial details
Phase: Phase 2Age: 12-17Biological sex: AllType: InterventionalSponsor: Ascendis Pharma A/SUpdated: Apr 21, 2026Locations: 5
Eligibility criteria

Written, signed informed consent and/or assent of the participant, participant p... [+4]

Participation (signed informed consent) in any interventional clinical trial wit... [+26]

Status: Recruiting

A Study to Assess the Amount of Palopegteriparatide in Breast Milk of Lactating Females Requiring YORVIPATH® (Palopegteriparatide)

This is an observational, opportunistic lactation study to be conducted in lactating female participants who are currently receiving therapeutic doses of YORVIPATH as part of their usual care and who have chosen to breastfeed their infant(s). The potential transfer of palopegteriparatide into breast milk will be assessed.

Participants needed: 10
Trial details
Age: 18-50Biological sex: FemaleType: ObservationalSponsor: Ascendis Pharma A/SUpdated: Apr 17, 2026Locations: 1Duration: 6 Days
Eligibility criteria

1. Lactating female participants 18 years of age or older treated with YORVIPATH... [+4]

1. Presence of any medical condition that, in the opinion of the investigator, m...

Status: Recruiting

A Clinical Trial to Evaluate Efficacy and Safety of TransCon CNP Compared With Placebo in Infants (0 to <2 Years of Age) With Achondroplasia

This trial is a Phase 2, multicenter, double-blind, randomized (ratio 2:1 TransCon CNP vs. placebo), placebo-controlled trial, designed to evaluate the safety, tolerability, and efficacy of 100 μg CNP/kg of Navepegritide (TransCon CNP) administered SC once-weekly for 52 weeks in infants with genetically verified heterozygous ACH, aged 0 to \< 2 years at the time of randomization.

Participants needed: 72
Trial details
Phase: Phase 2Age: 0-2Biological sex: AllType: InterventionalSponsor: Ascendis Pharma A/SUpdated: Apr 8, 2026Locations: 18
Eligibility criteria

Written, signed informed consent by the parent(s)/caregiver(s) of the participan... [+5]

Known or suspected hypersensitivity to the investigational product or related pr... [+19]

Status: Recruiting

A Global Pregnancy Registry to Assess Maternal, Fetal, and Infant Outcomes Following Exposure to YORVIPATH® (Palopegteriparatide) During Pregnancy and Breastfeeding

The purpose of this registry study is to collect both prospective and retrospective data in women exposed to palopegteriparatide during pregnancy to assess risk of pregnancy and maternal complications, and adverse effects on the developing fetus, neonate, and infant and to assess infant outcomes through at least the first year of life.

Participants needed: 50
Trial details
Age: 15-50Biological sex: FemaleType: ObservationalSponsor: Ascendis Pharma A/SUpdated: Mar 2, 2026Locations: 1Duration: 21 Months
Eligibility criteria

Participants aged 15 to 50 years [+2]

Pregnancies in which only the male partner is exposed to at least one dose of YO...