Weekly shot may boost growth in kids with dwarfism

NCT ID NCT04085523

First seen Jul 02, 2026 · Last updated Jul 02, 2026

Summary

This study tests a weekly injection called TransCon CNP in children aged 2 to 10 with achondroplasia, the most common form of dwarfism. The goal is to see if it can safely improve growth over one year. Half the children receive the drug and half receive a placebo, and all children have the option to receive the drug in an extension period.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

TransCon CNP (a long-acting form of C-type natriuretic peptide)

What this could lead to

If successful, this could provide a non-surgical treatment option to improve growth in children with achondroplasia.

What could go wrong

This is an early-phase trial with a small number of participants. The treatment may not improve growth significantly, and side effects are possible.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

achondroplasia Dwarfism

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

More trials for these conditions

Other studies related to the condition(s) this trial covers.

Contacts and locations

Locations

  • Ascendis Pharma Investigational Site

    Little Rock, Arkansas, 72211, United States

  • Ascendis Pharma Investigational Site

    Aurora, Colorado, 80045, United States

  • Ascendis Pharma Investigational Site

    Saint Paul, Minnesota, 55102, United States

  • Ascendis Pharma Investigational Site

    Columbia, Missouri, 65212, United States

  • Ascendis Pharma Investigational Site

    Buffalo, New York, 14203, United States

  • Ascendis Pharma Investigational Site

    Houston, Texas, 77030, United States

  • Ascendis Pharma Investigational Site

    Seattle, Washington, 98105, United States

  • Ascendis Pharma Investigational Site

    Madison, Wisconsin, 53705, United States

  • Ascendis Pharma Investigational Site

    Parkville, Victoria, 3052, Australia

  • Ascendis Pharma Investigational Site

    Linz, 4020, Austria

  • Ascendis Pharma Investigational Site

    Copenhagen, 2100, Denmark

  • Ascendis Pharma Investigational Site

    Berlin, 13353, Germany

  • Ascendis Pharma Investigational Site

    Dublin, D01 YC76, Ireland

  • Ascendis Pharma Investigational Site

    Auckland, 1023, New Zealand

  • Ascendis Pharma Investigational Site

    Coimbra, 3000-602, Portugal