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Recruiting NCT07536061

A First-in-human Study of the Effects of SRP-1005 in Participants With Huntington's Disease

Phase I Interventional Huntington's Disease

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: SRP-1005, Placebo.
Who it may be relevant to
Registry conditions: Huntington's Disease. Basic parameters: 21 years — 70 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
New Zealand
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Official title

A Randomized, Double-Blind, Placebo-Controlled, Dose Escalation Study to Evaluate the Effect of SRP-1005 in Subjects With Huntington's Disease (INSIGHTT)

Overview

This is a first-in-human, multi-center trial studying the effects of SRP-1005 in participants with Huntington's disease (HD).

Interventions

  • Drug SRP-1005
    Subcutaneous injection
  • Drug Placebo
    Subcutaneous injection

Primary outcome measures

  • Number of Participants with a Treatment-emergent Adverse Event (TEAE), Serious Adverse Event (SAE), and Adverse Event of Special Interest (AESI) [Time frame: Baseline through Week 24]
Secondary outcome measures (3)
  • Plasma Concentration of SRP-1005 [Time frame: Baseline through Day 17]
  • Urine Concentration of SRP-1005 [Time frame: Baseline through Day 17]
  • Cerebrospinal Fluid Concentration of SRP-1005 [Time frame: Baseline through Week 24]

Eligibility criteria

Inclusion criteria

  • Genetically confirmed diagnosis of huntingtin (HTT) cytosine-adenine-guanine repeat length ≥40.
  • Participant has HD Integrated Staging System (HD-ISS) Stage 2 or Mild Stage 3. At screening, the participant must be classified with the Enroll-HD HD-ISS Modified Calculator as either Stage 2 or Mild Stage 3.
  • Participants who are of childbearing potential, or with partners of childbearing potential, who are sexually active must agree to use a highly effective method of contraception throughout study participation, and for at least 90 days following the end of study.

Exclusion criteria

  • Any condition that would compromise the safety or feasibility of lumbar puncture or magnetic resonance imaging (MRI).
  • Presence of other significant neurological or systemic illnesses.
  • Current, chronic or active human immunodeficiency virus, hepatitis B/C.
  • Recent use of investigational agents or HTT-lowering therapies.
  • Uncontrolled psychiatric illness or substance use disorders.
  • Pregnancy or lactation.

Note: Other inclusion/exclusion criteria apply.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: No

Study design

Allocation
Randomized
Model
Parallel assignment
Masking
Triple blind
Primary purpose
Treatment

Study locations

New Zealand · 2 centers
  • Pacific Clinical Research Network - Auckland (PCRN Auckland) — Auckland
  • New Zealand Brain Research Institute — Christchurch

Identifiers

NCT: NCT07536061 · SRP-1005-101

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗