New shot aims to slash sky-high cholesterol in rare genetic disease
NCT ID NCT07037771
First seen Jun 27, 2026 · Last updated Aug 13, 2026 · Updated 2 times
Summary
This study tests a new medicine called zodasiran in people aged 12 and older who have a rare genetic condition that causes extremely high cholesterol (homozygous familial hypercholesterolemia). The goal is to see if the drug can safely lower bad cholesterol levels over 12 months. About 60 participants will receive either zodasiran or a placebo, and those who complete the main study can choose to continue in an open-label extension where everyone gets the active drug.
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 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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70 people
The number who actually took part.
- Started
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Jun 2025
- Expected to finish
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Aug 2027
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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12 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: * Age ≥12 years, non pregnant, non lactating, do not plan to become pregnant during the study * Body weight ≥35 kg at Screening as patients could theoretically be \<35 kg as the study continues. * HoFH based on a supportive genetic test or a clinical diagnosis (total cholesterol \>500 mg/dL\[13 mmol/L\] OR treated LDL-C concentration of ≥300 mg/dL \[≥8 mmol/L\] either accompanied by TGs \<300 mg/dL \[3.4 mmol/L\] AND both parents with documented total cholesterol \>250 mg/dL \[6.5 mmol/L\] OR cutaneous or tendinous xanthoma before 10 years of age) * LDL-C ≥70 mg/dL (1.8 mmol/L). For adolescents 12 to \<18 years of age, screening LDL-C ≥116 mg/dL (3 mmol/L). * Hemoglobin A1c (HbA1c) ≤9.5% * Total bilirubin \<2xULN, unless in previously confirmed cases of Gilbert's syndrome * Alanine aminotransferase or aspartate aminotransferase \<3×ULN * On standard of care, maximally tolerated lipid-lowering therapy to include a maximally tolerated statin, ezetimibe, and a PCSK9 inhibitor Exclusion Criteria: * Use of a hepatocyte-targeted siRNA within 365 days before Day 1 (except inclisiran, which is permitted; administration of inclisiran and study drug must be separated by at least 4 weeks) * Use of an antisense oligonucleotide molecule within 3 months before Day 1 (except inclisiran, which is permitted; administration of inclisiran and study drug must be separated by at least 4 weeks) * Use of evinacumab within 3 months before Day 1. Evinacumab use is prohibited during the study. * Non-response to evinacumab, defined as LDL-C reduction \<15% from baseline after 2 doses * Use of any other investigational agent or device within 30 days or 5 half-lives (whichever is longer) before Day 1 * Use of systemic corticosteroids (unless used as replacement therapy for pituitary/adrenal disease with a stable regimen) * Estimated glomerular filtration rate \<30 mL/min NOTE: Additional Inclusion/exclusion criteria may apply per protocol
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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.
Contacts and locations
Locations
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Research Site 1
Cincinnati, Ohio, 45227, United States
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Research Site 10
Jerusalem, 9112001, Israel
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Research Site 11
Parktown, Johannesburg, 2193, South Africa
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Research Site 12
Christchurch, 8011, New Zealand
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Research Site 13
Camperdown, New South Wales, 2050, Australia
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Research Site 14
Pittsburgh, Pennsylvania, 15213, United States
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Research Site 15
Tel Litwinsky, 5265601, Israel
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Research Site 16
Okayama, 700-8558, Japan
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Research Site 17
Tbilisi, 0159, Georgia
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Research Site 18
Tbilisi, 160, Georgia
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Research Site 19
Tbilisi, 186, Georgia
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Research Site 2
New York, New York, 10029, United States
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Research Site 20
Fukushima, 960-1295, Japan
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Research Site 21
Heidelberg, Victoria, 3084, Australia
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Research Site 22
Saitama, 350-0495, Japan
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Research Site 23
Paris, 75013, France
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Research Site 24
Cerqueira César, São Paulo, CEP-05403-000, Brazil
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Research Site 25
Tokyo, 113-8510, Japan
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Research Site 26
Kanazawa, Ishikawa-ken, 920-8641, Japan
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Research Site 27
Suita, Osaka, 564-8565, Japan
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Research Site 28
Córdoba, 14004, Spain
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Research Site 29
Madrid, 28041, Spain
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Research Site 3
Nedlands, Western Australia, 6009, Australia
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Research Site 30
Hradec Králové, General E3 500 0, Czechia
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Research Site 31
Riyadh, 12713, Saudi Arabia
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Research Site 32
Gothenburg, 413 46, Sweden
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Research Site 33
La Louvière, 7100, Belgium
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Research Site 34
Leuven, 3000, Belgium
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Research Site 35
Berlin, 13353, Germany
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Research Site 36
Afyonkarahisar, 03200, Turkey (Türkiye)
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Research Site 37
Vienna, 1130, Austria
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Research Site 38
Melikgazi/Kayseri, 38030, Turkey (Türkiye)
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Research Site 39
Linz, 4021, Austria
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Research Site 4
Québec, G1V 4W2, Canada
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Research Site 40
Innsbruck, 6020, Austria
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Research Site 41
Bornova/Izmir, 35100, Turkey (Türkiye)
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Research Site 42
Vienna, 1090, Austria
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Research Site 43
Barcelona, 8907, Spain
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Research Site 5
Vancouver, British Columbia, V6Z 2H2, Canada
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Research Site 6
Chicoutimi, Quebec, G7H 7K9, Canada
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Research Site 7
Park Ridge, Illinois, 60068, United States
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Research Site 8
Cape Town, 7925, South Africa
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Research Site 9
Saint Leonards, New South Wales, 2065, Australia
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a single infusion fix a genetic cause of Sky-High cholesterol?
- New registry tracks Real-World safety of cholesterol drug lomitapide
- New repository aims to unlock secrets of rare, deadly cholesterol disease
- New shot could help teens with rare, severe high cholesterol
- Worldwide effort to unlock secrets of rare cholesterol disease
- New drug shows promise for rare High-Cholesterol disease