New daily shot could ease rare hormone disorder

NCT ID NCT04009291

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 2 trial tested a daily injection called TransCon PTH in 59 adults with hypoparathyroidism, a condition where the body doesn't make enough parathyroid hormone. Participants were randomly assigned to receive either the drug or a placebo for four weeks, followed by an open-label extension where everyone received the drug. The goal was to see if the injection could safely bring calcium levels back to normal and reduce the need for supplements.

What this could mean

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

Active substance

TransCon PTH (a daily injection of parathyroid hormone)

What this could lead to

If successful, this could provide a more effective way to manage hypoparathyroidism, potentially reducing the need for high doses of calcium and vitamin D supplements.

What could go wrong

This is an early-phase trial with only 59 participants, so results may not apply to everyone. The treatment requires daily injections and may not work for all patients.

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.

endocrine system disorder hypoparathyroidism parathyroid gland disorder

As listed by the trial registrant

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

Contacts and locations

Locations

  • Ascendis Pharma Investigational Site

    Chicago, Illinois, 60637, United States

  • Ascendis Pharma Investigational Site

    Rochester, Minnesota, 55901, United States

  • Ascendis Pharma Investigational Site

    Great Neck, New York, 11021, United States

  • Ascendis Pharma Investigational Site

    New York, New York, 10032, United States

  • Ascendis Pharma Investigational Site

    Philadelphia, Pennsylvania, 19104, United States

  • Ascendis Pharma Investigational Site

    Oakville, Ontario, L6M 1M1, Canada

  • Ascendis Pharma Investigational Site

    Aalborg, 9000, Denmark

  • Ascendis Pharma Investigational Site

    Aarhus, 8200, Denmark

  • Ascendis Pharma Investigational Site

    Copenhagen, 2200, Denmark

  • Ascendis Pharma Investigational Site

    Dresden, 01307, Germany

  • Ascendis Pharma Investigational Site

    Bologna, 40138, Italy

  • Ascendis Pharma Investigational Site

    Milan, 20132, Italy

  • Ascendis Pharma Investigational Site

    Pisa, 56124, Italy

  • Ascendis Pharma Investigational Site

    Rome, 00128, Italy

  • Ascendis Pharma Investigational Site

    Oslo, 0176, Norway