Hope for Huntington's: new pill aims to tame harmful proteins
NCT ID NCT07537075
First seen Jun 27, 2026 · Last updated Jul 24, 2026 · Updated 2 times
Summary
This study tests an oral drug called SKY-0515 in 500 adults with Huntington's disease who have already completed a prior study of the same drug. The goal is to see if the drug can safely lower harmful proteins and improve symptoms over the long term. Participants must be 25 or older and have a genetic confirmation of Huntington's disease.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Dec 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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25 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Must have completed treatment in a prior SKY-0515 treatment study and, in the opinion of the Investigator, have been compliant with the prior SKY-0515 treatment protocol study procedures. * Must be able and willing to meet all study requirements in the opinion of the Investigator including: * Participants must be able to tolerate blood draws * Willing and able to comply with all scheduled visits, treatment plans,laboratory tests and other study procedures * Women who can have children must have a negative pregnancy test before starting and use two types of birth control during the study and for 30 days after the last dose of the study drug. * Men must agree to use birth control during the study and for 90 days after the last dose. Exclusion Criteria: -Have any other conditions that, in the opinion of the Investigator or Sponsor, would make the participant unsuitable for inclusion, or could interfere with the participant participating in or completing the study.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
10 sites in 2 countries. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Calvary Health Care Bethlehem
Caulfield South, Victoria, 3162, Australia
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Flinders Medical Centre
Adelaide, South Australia, 5042, Australia
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Huntington's Disease Association
Auckland, 0604, New Zealand
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John Hunter Hospital
New Lambton Heights, New South Wales, 2305, Australia
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New Zealand Brain and Research Institute
Christchurch, 8011, New Zealand
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The Perron Institute for Neurology and Translational Science (Perron Institute)
Nedlands, Western Australia, 6009, Australia
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The Royal Melbourne Hospital
Parkville, Victoria, 3050, Australia
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The University of Queensland
Herston, Queensland, 4006, Australia
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Wellington Hospital
Wellington, 6021, New Zealand
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Westmead Hospital
Westmead, New South Wales, 2145, Australia
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