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A Phase 2, Multicenter, Long-Term, Open Label Extension Trial Evaluating Safety, Tolerability, and Efficacy of Subcutaneous Doses of TransCon CNP Administered Once Weekly in Children and Adolescents With Achondroplasia

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Trial Profile

A Phase 2, Multicenter, Long-Term, Open Label Extension Trial Evaluating Safety, Tolerability, and Efficacy of Subcutaneous Doses of TransCon CNP Administered Once Weekly in Children and Adolescents With Achondroplasia

Status: Recruiting
Phase of Trial: Phase II/III

Latest Information Update: 11 Apr 2026

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At a glance

  • Drugs Navepegritide (Primary)
  • Indications Achondroplasia
  • Focus Adverse reactions; Therapeutic Use
  • Acronyms AttaCH
  • Sponsors Ascendis Pharma

Most Recent Events

  • 16 Mar 2026 According to an Ascendis Pharma media release, all 80 children from the pivotal ApproaCH Trial were enrolled into the long-term, open-label AttaCH extension trial.
  • 06 Jul 2023 New trial record

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