New shot for high blood pressure shows promise in japanese study
NCT ID NCT06423352
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested an experimental drug called zilebesiran in 36 Japanese adults with mild to moderate high blood pressure. The goal was to see if it is safe and helps lower blood pressure over 6 months. Participants received either the drug or a placebo, and researchers monitored side effects and blood pressure changes.
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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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36 people
The number who actually took part.
- Started
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Jun 2024
- Finished
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Jul 2025
- 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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18 to 75 years
- 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 been born in Japan, and their biological parents and grandparents must have been of Japanese origin * Has mean systolic office blood pressure (SBP) of \>130 and \<=165 mmHg by automated office blood pressure measurement, after a minimum of 3 weeks of washout if taking hypertensive medication * Has 24-hour mean SBP ≥130 mmHg by ambulatory blood pressure monitoring (ABPM), without antihypertensive medication Exclusion Criteria: * Has secondary hypertension, symptomatic orthostatic hypotension * Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) \>2× upper limit of normal (ULN) * Has elevated serum potassium \>5 mmol/L * Has estimated glomerular filtration rate (eGFR) of \<60 mL/min/1.73m\^2 * Has received an investigational agent within the last 30 days * Has Type 1 diabetes mellitus, poorly controlled Type 2 diabetes mellitus or newly diagnosed Type 2 diabetes mellitus * Has history of intolerance to SC injection(s)
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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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Clinical Trial Site
Fukuoka, Japan
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Clinical Trial Site
Osaka, Japan
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Clinical Trial Site
Tokyo, Japan
More trials for these conditions
Other studies related to the condition(s) this trial covers.