A Dose Escalation Trial Evaluating Safety, Efficacy, and Pharmacokinetics of TransCon CNP Administered Once Weekly in Prepubertal Children With Achondroplasia
Public ClinicalTrials.gov record NCT04085523. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
ACcomplisH: A Phase 2, Multicenter, Double-blind, Randomized, Placebo-controlled, Dose Escalation Trial Evaluating Safety, Efficacy, and Pharmacokinetics of Subcutaneous Doses of TransCon CNP Administered Once Weekly for 52 Weeks in Prepubertal Children With Achondroplasia Followed by an Open-Label Extension Period
Study identification
- NCT ID
- NCT04085523
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Ascendis Pharma A/S
- Industry
- Enrollment
- 57 participants
Conditions and interventions
Conditions
Interventions
- TransCon CNP Drug
- Placebo for TransCon CNP Drug
Drug
Eligibility (public fields only)
- Age range
- 2 Years to 10 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 23, 2020
- Primary completion
- Sep 26, 2022
- Completion
- Sep 30, 2024
- Last update posted
- Jul 1, 2026
2020 – 2024
United States locations
- U.S. sites
- 8
- U.S. states
- 8
- U.S. cities
- 8
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Ascendis Pharma Investigational Site | Little Rock | Arkansas | 72211 | — |
| Ascendis Pharma Investigational Site | Aurora | Colorado | 80045 | — |
| Ascendis Pharma Investigational Site | Saint Paul | Minnesota | 55102 | — |
| Ascendis Pharma Investigational Site | Columbia | Missouri | 65212 | — |
| Ascendis Pharma Investigational Site | Buffalo | New York | 14203 | — |
| Ascendis Pharma Investigational Site | Houston | Texas | 77030 | — |
| Ascendis Pharma Investigational Site | Seattle | Washington | 98105 | — |
| Ascendis Pharma Investigational Site | Madison | Wisconsin | 53705 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 7 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04085523, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 1, 2026 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04085523 live on ClinicalTrials.gov.