Actively Recruiting

Phase 1
Age: 25Years - 70Years
All Genders
NCT06585449

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

Led by Alnylam Pharmaceuticals · Updated on 2026-05-14

66

Participants Needed

19

Research Sites

194 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

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

CONDITIONS

Official Title

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

Who Can Participate

Age: 25Years - 70Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Has stage 2 or early Stage 3 Huntington's disease (HD), per the Huntington's Disease Integrated Staging System (HD-ISS)
Not Eligible

You will not qualify if you...

  • Has significant structural or degenerative neurologic disease other than Huntington's Disease (HD) at screening
  • Has primary or secondary immune compromise at screening due to infections, medical conditions, or chronic therapies
  • Has alanine aminotransferase or aspartate aminotransferase >2× upper limit of normal (ULN)
  • Has an estimated glomerular filtration rate (eGFR) of <60 mL/min/1.73m^2 at screening
  • Has received an investigational agent within the last 1 year or 5 half-lives (if known)
  • Other protocol defined inclusion / exclusion criteria apply

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 19 locations

1

Clinical Trial Site

Edmonton, Canada, T6G 2B7

Actively Recruiting

2

Clinical Trial Site

Montreal, Canada, H2W 1T8

Actively Recruiting

3

Clinical Trial Site

Ottawa, Canada, K1Y4E9

Actively Recruiting

4

Clinical Trial Site

Vancouver, Canada, V6T 2B5

Actively Recruiting

5

Clinical Trial Site

Berlin, Germany, 10117

Actively Recruiting

6

Clinical Trial Site

Bochum, Germany, 44791

Actively Recruiting

7

Clinical Trial Site

Bonn, Germany, 53127

Actively Recruiting

8

Clinical Trial Site

Dresden, Germany, 01307

Actively Recruiting

9

Clinical Trial Site

Münster, Germany, 48149

Actively Recruiting

10

Clinical Trial Site

Taufkirchen, Germany, 84416

Actively Recruiting

11

Clinical Trial Site

Ulm, Germany, 89081

Actively Recruiting

12

Clinical Trial Site

Birmingham, United Kingdom, B15 2TT

Actively Recruiting

13

Clinical Trial Site

Cambridge, United Kingdom, CB2 0PY

Actively Recruiting

14

Clinical Trial Site

Cardiff, United Kingdom, CF103AX

Actively Recruiting

15

Clinical Trial Site

Glasgow, United Kingdom, G51 4TF

Actively Recruiting

16

Clinical Trial Site

Greater Manchester, United Kingdom, M13 9WL

Actively Recruiting

17

Clinical Trial Site

London, United Kingdom, WC1N 3BG

Actively Recruiting

18

Clinical Trial Site

Oxford, United Kingdom, OX3 9DU

Actively Recruiting

19

Clinical Trial Site

Plymouth, United Kingdom, PL6 8DH

Actively Recruiting

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Research Team

A

Alnylam Clinical Trial Information Line

CONTACT

A

Alnylam Clinical Trial Information Line

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

TRIPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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