Recent Updates
Recently added Catalysts

Zilebesiran

Phase 3

High Risk Cardiovascular Disease | Small molecule | Cardiovascular |Alnylam Pharmaceuticals, Inc.|Last Updated: Jul 13, 2026

Success Probability
Subscribe to view
Market & Valuation
Subscribe to view
Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment11,000
FDA Designations
No designations recorded
Clinical trial landscape

Zilebesiran · 3 trials · 4 indications

Phase 3 1Phase 2 1Phase 1 1
NCT07181109Zilebesiran in Patients With Hypertension Not Adequately Controlled and With Either Established Cardiovascular Disease or High Risk for Cardiovascular DiseaseHigh Risk Cardiovascular Disease
RECRUITING11,000 Analytics
PHASE3RECRUITING
Zilebesiran in Patients With Hypertension Not Adequately Controlled and With Either Established Cardiovascular Disease or High Risk for Cardiovascular Disease
High Risk Cardiovascular DiseaseUnlock trial analytics
Study Endpoints
Primary Endpoints
Time to First Occurrence of a Composite Endpoint of Cardiovascular (CV) Death, Nonfatal Myocardial Infarction (MI), Nonfatal Stroke, or Heart Failure (HF) Event (Hospitalization for HF or Urgent HF Visit)
Up to approximately 5 years
Change from Baseline at Month 3 in Mean Seated Office Systolic Blood Pressure (SBP)
Baseline and Month 3
Number of Participants With Adverse Events (AEs)
Up to 12 months

An AE is any untoward medical occurrence in a patient or clinical investigational subject administered a medicinal product and which does not necessarily have a causal relationship with this treatment.

Secondary Endpoints
Change from Baseline in Mean Seated Office Systolic Blood Pressure (SBP) at Month 6
Baseline and Month 6
Time to First Occurrence of a Composite Endpoint of CV Death, Nonfatal MI, or Nonfatal Stroke
Up to approximately 5 years
Composite Endpoint of CV Death and Total (First and Subsequent) HF Events (Hospitalization for HF or Urgent HF Visit)
Up to approximately 5 years
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Zilebesiran 300 mgEXPERIMENTALParticipants will be administered 300 mg zilebesiran subcutaneously (SC) once every 6 months as add-on therapy to their standard of care antihypertensive medications.
PlaceboPLACEBO_COMPARATORParticipants will be administered placebo SC once every 6 months as add-on therapy to their standard of care antihypertensive medications.
ZilebesiranEXPERIMENTALParticipants will receive zilebesiran on Day 1 of the 6-month double-blind (DB) treatment period. Participants must be on stable doses of at least 2, but not more than 4, antihypertensive medications for at least 30 days prior to screening and plan to remain on stable doses of these medications during screening and through the DB treatment period.
Interventions
NameTypeDescription
ZilebesiranDRUGZilebesiran will be administered SC
PlaceboDRUGPlacebo will be administered SC
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites995

Inclusion Criteria: * Is 18 years or older for patients with established cardiovascular disease (CVD) * Is 55 years or older for patients with high risk for CVD * Has established CVD (defined as coronary, cerebrovascular, or peripheral artery disease) or high risk for CVD * Has treated hypertension...

Countries:United StatesArgentinaAustraliaAustriaBelgiumBrazilBulgariaCanadaChileChinaColombiaCzechiaDenmarkFranceGermanyGreeceHungaryIndiaItalyJapanNetherlandsNew ZealandPolandPortugalRomaniaSerbiaSlovakiaSouth AfricaSouth KoreaSpainSwedenTaiwanTurkey (Türkiye)United KingdomPuerto RicoSwitzerland
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWJul 13, 2026NCT07181109lastUpdatePostDate: changed
LOWJul 13, 2026NCT07181109lastUpdatePostDate: changed
LOWJul 10, 2026NCT07181109lastUpdatePostDate: changed
LOWJul 10, 2026NCT07181109lastUpdatePostDate: changed
LOWJun 12, 2026NCT07181109lastUpdatePostDate: changed
LOWJun 12, 2026NCT07181109lastUpdatePostDate: changed
MEDIUMMay 31, 2026NCT06423352TRIAL_REMOVED: changed
MEDIUMMay 31, 2026NCT06423352TRIAL_REMOVED: changed
MEDIUMMay 31, 2026NCT06423352TRIAL_REMOVED: changed
LOWMay 26, 2026NCT07181109primaryCompletionDate: changed
LOWMay 24, 2026NCT07181109studyFirstPostDate: changed