Clinical trials

23

Search and review clinical trials. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

Zilebesiran in Patients With Hypertension Not Adequately Controlled and With Either Established Cardiovascular Disease or High Risk for Cardiovascular Disease

The purpose of this study is to evaluate whether zilebesiran versus placebo reduces the risk of cardiovascular (CV) death, nonfatal myocardial infarction (MI), nonfatal stroke, or heart failure (HF) events. This is an event-driven study that will continue until the targeted number of positively adjudicated primary endpoint clinical outcome events (COEs) have been reached.

Participants needed: 11,000
Trial details
Phase: Phase 3Age: 18+Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jul 13, 2026Locations: 995
Eligibility criteria

Is 18 years or older for patients with established cardiovascular disease (CVD) [+3]

Has known history of secondary hypertension [+6]

Status: Recruiting

A Study to Evaluate ALN-6222 in Participants With Obesity

This is a first in human, randomized, double-blind (DB), placebo-controlled, single ascending dose (SAD), Phase 1 study to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), and efficacy of ALN-6222 administered subcutaneously (SC) in adult participants with obesity.

Participants needed: 88
Trial details
Phase: Phase 1Age: 18-65Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 29, 2026Locations: 1
Eligibility criteria

Is an adult patient with a body mass index ≥30 kg/m² to <40 kg/m² [+1]

Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >1.5 time... [+2]

Status: Recruiting

A Study to Evaluate ALN-BCAT in Patients With Hepatocellular Carcinoma

The purpose of the dose escalation part of the study is to characterize the safety and tolerability of ALN-BCAT as monotherapy and in combination with pembrolizumab; and to determine the recommended dose(s) for expansion (RDFE) of ALN-BCAT as monotherapy and in combination with pembrolizumab. The purpose of the dose expansion part of the of the study is to evaluate the antitumor activity of ALN-BCAT as monotherapy and in combination with pembrolizumab; to characterize the safety and tolerability of ALN-BCAT as monotherapy and in combination with pembrolizumab.

Participants needed: 158
Trial details
Phase: Phase 1Age: 18+Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 17, 2026Locations: 23
Eligibility criteria

Has HCC confirmed histologically or cytologically, or, for patients with liver c... [+3]

Has fibrolamellar HCC, sarcomatoid HCC, or mixed cholangio-HCC tumors [+2]

Status: Not yet recruiting

HMBeacon: A Phase 2 Study to Evaluate ALN-6400 in Adult and Adolescent Female Patients With VWD and HMB

The purpose of this study is to evaluate the safety, tolerability, efficacy, and pharmacodynamics (PD) of multiple doses of ALN-6400 in adult and adolescent patients with VWD and HMB

Participants needed: 24
Trial details
Phase: Phase 2Age: 16-45Biological sex: FemaleType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 15, 2026Locations: 1
Eligibility criteria

Is an adolescent or adult patient with a diagnosis of VWD (including Type 1, Typ...

Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) greater t... [+6]

Status: Recruiting

A Study to Evaluate ALN-4915 in Adult Healthy Volunteers

The purpose of this study is to evaluate the safety, tolerability, pharmacodynamics (PD) and pharmacokinetics (PK) of ALN-4915.

Participants needed: 44
Trial details
Phase: Phase 1Age: 18-65Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 1
Eligibility criteria

Is willing and able to complete all study assessments

Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >upper li... [+3]

Status: Recruiting

A Study to Evaluate ALN-AGT01 RVR in Adult Patients With Mild to Moderate Hypertension Pretreated With Zilebesiran

The purpose of this study is to evaluate the efficacy, pharmacodynamics (PD), and safety of ALN-AGT01 RVR in participants with mild to moderate hypertension pretreated with zilebesiran.

Participants needed: 93
Trial details
Phase: Phase 2Age: 18-75Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 3
Eligibility criteria

Either not taking antihypertensive medication or on stable therapy with up to 2... [+2]

Has known secondary hypertension or serum potassium more than 5 mmol/L [+1]

Status: Recruiting

A Study to Evaluate ALN-2232 in Participants With Obesity

The purpose of this study is to: * evaluate the safety, tolerability, efficacy, pharmacokinetics (PK), and pharmacodynamics (PD) of single ascending doses of ALN-2232 in patients with obesity * evaluate the safety, tolerability, efficacy, PK, and PD of multiple doses of ALN-2232 in patients with obesity * evaluate the safety, tolerability, efficacy, PK, and PD of multiple doses of ALN-2232 co-initiated with tirzepatide in patients with obesity

Participants needed: 156
Trial details
Phase: Phase 1, Phase 2Age: 18-65Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 1
Eligibility criteria

Has a body mass index (BMI) of ≥30 kg/m² and <40 kg/m² [+1]

Has any clinically significant concomitant disease, medical condition, or abnorm... [+1]

Status: Recruiting

A Study to Evaluate ALN-4324 on Insulin Sensitivity in Adults With Type 2 Diabetes Mellitus

The purpose of this study is to evaluate the effect of a single dose of ALN-4324 on whole-body insulin sensitivity in participants with T2DM

Participants needed: 40
Trial details
Phase: Phase 2Age: 18-65Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 1
Eligibility criteria

Is an adult patient with a confirmed diagnosis of T2DM [+3]

Has any clinically significant concomitant disease, medical condition, or abnorm... [+1]

Status: Recruiting

A Study to Evaluate ALN-4285 in Adult Healthy Volunteers

The purpose of this study is to: * evaluate the safety and tolerability of single ascending doses of ALN-4285 in healthy volunteers * characterize the single-dose pharmacokinetics (PK) of ALN-4285

Participants needed: 76
Trial details
Phase: Phase 1Age: 18-65Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 1
Eligibility criteria

Has a body mass index (BMI) of ≥18.0 kg/m² and ≤30 kg/m² [+1]

Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >upper li... [+4]

Status: Recruiting

A Study to Evaluate ALN-5288 in Patients With Alzheimer's Disease

The purpose of this study is to: * Evaluate the safety and tolerability of intrathecal (IT) ALN-5288 in patients with Alzheimer's Disease (AD) * Evaluate the pharmacodynamic (PD) and pharmacokinetic (PK) effects of ALN-5288 after dose administration

Participants needed: 50
Trial details
Phase: Phase 1Age: 40-80Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 13
Eligibility criteria

Is able and willing to meet all study requirements in the opinion of the Investi... [+2]

Has non-AD dementia [+11]

Status: Recruiting

TRITON-PN: A Study to Evaluate the Efficacy and Safety of Nucresiran in Patients With Hereditary Transthyretin Amyloidosis With Polyneuropathy

The purpose of this study is to: * Determine the efficacy of nucresiran in patients with hATTR-PN by evaluating the effect on neurologic impairment, quality of life, nutritional status, disability, and gait speed * Demonstrate superiority of nucresiran compared to in-study vutrisiran with respect to serum transthyretin (TTR) levels

Participants needed: 125
Trial details
Phase: Phase 3Age: 18-85Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 29
Eligibility criteria

Has documented diagnosis of hATTR-PN [+3]

Has had a liver transplant or is likely, in the opinion of the Investigator, to... [+6]

Status: Recruiting

Zilebesiran in Patients With Hypertension Not Adequately Controlled and With Either Established Cardiovascular Disease or High Risk for Cardiovascular Disease

The purpose of this study is to evaluate whether zilebesiran versus placebo reduces the risk of cardiovascular (CV) death, nonfatal myocardial infarction (MI), nonfatal stroke, or heart failure (HF) events. This is an event-driven study that will continue until the targeted number of positively adjudicated primary endpoint clinical outcome events (COEs) have been reached.

Participants needed: 11,000
Trial details
Phase: Phase 3Age: 18+Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 856
Eligibility criteria

Is 18 years or older for patients with established cardiovascular disease (CVD) [+3]

Has known history of secondary hypertension [+6]

Status: Recruiting

TRITON-CM: A Study to Evaluate Nucresiran in Patients With Transthyretin Amyloidosis With Cardiomyopathy

The purpose of this study is to: * Evaluate the efficacy of nucresiran compared to placebo on reducing all-cause mortality and cardiovascular (CV) events * Evaluate the efficacy of nucresiran compared to placebo on additional assessments of CV events and/or death * Evaluate the efficacy of nucresiran compared to placebo on patient-reported health status and health-related quality of life

Participants needed: 1,250
Trial details
Phase: Phase 3Age: 18-85Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 233
Eligibility criteria

Has documented diagnosis of ATTR amyloidosis with cardiomyopathy including those... [+3]

Has New York Heart Association (NYHA) Class IV HF; or NYHA Class III heart failu... [+3]

Status: Recruiting

A Study to Evaluate ALN-4324 in Overweight to Obese Healthy Volunteers and in Overweight to Obese Patients With T2DM

The purpose of this study is to: * evaluate the safety and tolerability of single ascending doses of ALN-4324 in healthy volunteers and to characterize the single-dose PK of ALN-4324 * evaluate the efficacy, safety, tolerability, and pharmacodynamics (PD) of multiple doses of ALN-4324 in adult overweight to obese patients with T2DM

Participants needed: 144
Trial details
Phase: Phase 1, Phase 2Age: 18-75Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 22
Eligibility criteria

Has a body mass index (BMI) of ≥27 kg/m² and <40 kg/m² [+4]

Has known human immunodeficiency virus (HIV) infection; or known current or chro... [+1]

Status: Recruiting

A Study to Evaluate ALN-6400 in Healthy Volunteers and Patients With Hereditary Hemorrhagic Telangiectasia (HHT)

The purpose of this study is to: * evaluate the safety, tolerability, pharmacokinetics (PK) and pharmacodynamics (PD) of single ascending doses of ALN-6400 in healthy volunteers * evaluate the efficacy, safety, tolerability and PD of multiple doses of ALN-6400 in adult patients with HHT

Participants needed: 120
Trial details
Phase: Phase 1, Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 16
Eligibility criteria

Is a healthy adult volunteer [+1]

Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) > upper l... [+6]

Status: Recruiting

A Study to Evaluate ALN-HTT02 in Adult Patients With Huntington's Disease

The purpose of this study is to evaluate the safety, tolerability, pharmacodynamics (PD) and pharmacokinetics (PK) of single or repeat doses of ALN-HTT02.

Participants needed: 66
Trial details
Phase: Phase 1Age: 25-70Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 19
Eligibility criteria

Has stage 2 or early Stage 3 Huntington's disease (HD), per the Huntington's Dis...

Has significant structural or degenerative neurologic disease other than Hunting... [+4]

Status: Recruiting

A Phase 2 Trial of ALN-APP in Patients With Cerebral Amyloid Angiopathy

The purpose of the study is to evaluate the effect of ALN-APP on measures of CAA disease progression and to characterize the safety, tolerability, and pharmacodynamics (PD) of ALN-APP in adult patients with sporadic CAA (sCAA) and Dutch-type CAA (D-CAA). The study will be conducted over 2 periods: a 24-month double-blind treatment period and an optional 18-month open-label extension (OLE) period. The estimated duration of study participation, inclusive of screening, treatment, and additional safety follow-up, is up to 50 months.

Participants needed: 200
Trial details
Phase: Phase 2Age: 30+Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 57
Eligibility criteria

Is 50 years or older [+3]

Moderate or severe stage Alzheimer's disease (AD) or significant cognitive impai... [+5]

Status: Recruiting

A Study to Evaluate the Safety and Tolerability of ALN-APP in Patients With EOAD

The purpose of this study is to evaluate the safety, tolerability, pharmacodynamics (PD) and pharmacokinetics (PK) of a single dose and multiple doses of ALN-APP administered by intrathecal (IT) injection in adult patients with early-onset Alzheimer's Disease (EOAD). Maximum treatment duration for Part A: single dose. Maximum treatment duration for Part B: 12 months.

Participants needed: 60
Trial details
Phase: Phase 1Age: 18+Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 12, 2026Locations: 8
Eligibility criteria

Has mild cognitive impairment or mild dementia due to EOAD [+1]

Has Non-Alzheimer's disease dementia [+4]

Status: Not yet recruiting

A Study to Evaluate Mivelsiran in Adult Participants With Early-Stage Down Syndrome-Associated Alzheimer's Disease (DS-AD)

The purpose of the study is to evaluate the effect of mivelsiran in adult participants with early-stage DS-AD and to characterize the safety, tolerability, and pharmacodynamics (PD) of mivelsiran. The study will be conducted over 2 periods: a 24-month double-blind period and an optional 12-month open-label treatment extension (OLE) period. The estimated duration of study participation, inclusive of screening, treatment, and additional safety follow-up, is up to 39 months.

Participants needed: 58
Trial details
Phase: Phase 2Age: 40-55Biological sex: AllType: InterventionalSponsor: Alnylam PharmaceuticalsUpdated: Jun 9, 2026Locations: 2
Eligibility criteria

Clinical diagnosis of Down-Syndrome (DS) associated with trisomy 21 [+3]

Has severe intellectual disability (ID) [+6]

Status: Recruiting

Patisiran-Lipid Nanoparticle (LNP) Pregnancy Surveillance Program

The purpose of this study is to collect and evaluate pregnancy outcomes, pregnancy complications, and fetal/neonatal/infant outcomes in women exposed to patisiran-LNP.

Participants needed: 10
Trial details
Biological sex: FemaleType: ObservationalSponsor: Alnylam PharmaceuticalsUpdated: Jun 1, 2026Locations: 7
Eligibility criteria

Documentation that the patient was exposed to patisiran-LNP at any point startin...

There are no exclusion criteria for participation in this program.

Status: Recruiting

ConTTRibute: A Global Observational Study of Patients With Transthyretin (TTR)-Mediated Amyloidosis (ATTR Amyloidosis)

The purpose of this study is to: * Describe epidemiological and clinical characteristics, natural history and real-world clinical management of ATTR amyloidosis patients * Characterize the safety and effectiveness of patisiran and vutrisiran as part of routine clinical practice in the real-world clinical setting * Describe disease emergence/progression in pre-symptomatic carriers of a known disease-causing transthyretin (TTR) variant

Participants needed: 1,500
Trial details
Biological sex: AllType: ObservationalSponsor: Alnylam PharmaceuticalsUpdated: May 29, 2026Locations: 40
Eligibility criteria

Diagnosis of ATTR amyloidosis or documented known disease-causing TTR variant fo... [+1]

Current enrollment in a clinical trial for any investigational agent

Status: Recruiting

DemonsTTRate: A Global, Observational, Multicenter, Long-term Study of Patients With ATTR-CM in a Real-World Setting

The purpose of this study is to: * Describe the clinical characteristics of adult patients with transthyretin-mediated amyloidosis with cardiomyopathy (ATTR-CM) treated with vutrisiran in routine clinical care * Describe treatment patterns of adult patients with ATTR-CM treated with vutrisiran in routine clinical care * Assess health-related quality of life (HRQOL) in adult patients with ATTR-CM treated with vutrisiran in routine clinical care * Assess healthcare resource use (HCRU) in adult patients with ATTR-CM treated with vutrisiran in routine clinical care Compare the long-term effectiveness of vutrisiran versus other approved ATTR-CM treatments in routine clinical care

Participants needed: 2,000
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: Alnylam PharmaceuticalsUpdated: Apr 24, 2026Locations: 4
Eligibility criteria

Has a diagnosis of ATTR-CM [+1]

Is enrolled in an interventional clinical trial

Status: Recruiting

ELEVATE, a Registry of Patients With Acute Hepatic Porphyria (AHP)

This global patient registry is being conducted to characterize the natural history and real-world clinical management of patients with AHP, and to further characterize the real-world safety and effectiveness of givosiran and other approved AHP therapies.

Participants needed: 150
Trial details
Age: 12+Biological sex: AllType: ObservationalSponsor: Alnylam PharmaceuticalsUpdated: Apr 27, 2026Locations: 30
Eligibility criteria

Documented diagnosis of AHP, per physician's determination

Currently enrolled in a clinical trial for any investigational agent