New combo pill aims to boost cystic fibrosis treatment

NCT ID NCT07108153

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether adding a new drug called SION-719 to the standard CF medication Trikafta is safe and helps people with cystic fibrosis who have two copies of the F508del mutation. Sixteen participants will receive either SION-719 or a placebo alongside their usual Trikafta. The main focus is on safety, but researchers will also measure changes in sweat chloride, a key marker of CFTR function.

What this could mean

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

Active substance

SION-719 (added to Trikafta)

What this could lead to

If successful, this could point toward a more effective treatment for cystic fibrosis by improving lung function and reducing symptoms when combined with existing therapy.

What could go wrong

This is a small, early-phase study with only 16 participants, so results may not apply to everyone. The main goal is safety, and it's unclear if the added drug will provide meaningful benefit.

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.

cystic fibrosis

As listed by the trial registrant

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

Contacts and locations

Locations

  • Boston Children's Hospital

    Boston, Massachusetts, 02115, United States

  • Columbia University

    New York, New York, 10032, United States

  • Gold Coast University Hospital

    Southport, Queensland, 4215, Australia

  • Johns Hopkins

    Baltimore, Maryland, 21205, United States

  • Medical University of South Carolina

    Charleston, South Carolina, 29425, United States

  • Monash University

    Melbourne, Victoria, 3004, Australia

  • National Jewish Health

    Denver, Colorado, 80206, United States

  • New York Medical College

    Hawthorne, New York, 10532, United States

  • Royal Prince Alfred Hospital

    Camperdown, New South Wales, 2050, Australia

  • University Hospital of Cleveland

    Cleveland, Ohio, 44106, United States

  • University of Iowa

    Iowa City, Iowa, 52242, United States

  • University of Washington

    Seattle, Washington, 98195, United States

  • Washington University

    St Louis, Missouri, 63110, United States