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Taking people in CanadaPhase 1

Tests ALN-HTT02 in adults with Huntington's disease

Tests a drug given into the spinal fluid in adults with Huntington's disease.

Plain-language title generated from the registry record
Registry title: A Study to Evaluate ALN-HTT02 in Adult Patients With Huntington's Disease

Key facts

Where
Edmonton, Montreal, Ottawa, and Vancouver, CanadaSee the 4 sites
Phase
Phase 1

Could this be for you?

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 25 and 70 years old?

Source: NCT06585449, who can take part

Where in Canada

  • EdmontonEdmonton, CanadaTaking people
  • MontrealMontreal, CanadaTaking people
  • OttawaOttawa, CanadaTaking people
  • VancouverVancouver, CanadaTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
Alnylam Pharmaceuticals
Trial code
NCT06585449
Record updated
15 October 2026
Original description
The purpose of this study is to evaluate the safety, tolerability, pharmacodynamics (PD) and pharmacokinetics (PK) of single or repeat doses of ALN-HTT02.Read full original descriptionShow less

A Randomized, Double-blind, Placebo-controlled Study, to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Intrathecally Administered Single Ascending Doses of 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.

Inclusion: Has stage 2 or early Stage 3 Huntington's disease (HD), per the Huntington's Disease Integrated Staging System (HD-ISS).

Exclusion: Has received an investigational agent within the last 1 year or 5 half-lives (if known); Note: other protocol defined inclusion / exclusion criteria apply; 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.

ClinicalTrials.gov NCT06585449