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Active, not recruitingNCT06706388Updated Apr 9, 2026

Personalized Antisense Oligonucleotide Therapy for A Single Participant With ATN1 Gene Mutation

A Phase 1/2 interventional study of nL-ATN1-002 in Dentatorubral-Pallidoluysian Atrophy, sponsored by n-Lorem Foundation. Active, not recruiting at 1 site in United States. Open to male participants aged 17 Years to 17 Years. Per ClinicalTrials.gov, last updated 2026-04-09.

Sponsored by n-Lorem Foundation · Phase 1/2, Interventional, and Treatment

From the registry’s dates

  • Registered 9 months after the study started (first participant enrolled Feb 2024, registered Nov 2024).
Phase
Phase 1/2
Study type
Interventional
Enrollment
1
Allocation
Not applicable
Ages
17 Years to 17 Years
Sex
Male
01

Study summary

This research project entails delivery of a personalized antisense oligonucleotide (ASO) drug designed for a single participant with dentatorubral-pallidoluysian atrophy (DRPLA) due to a heterozygous pathogenic CAG trinucleotide expansion in ATN1

Read the detailed description

This is an interventional study to evaluate the safety and efficacy of treatment with an individualized antisense oligonucleotide (ASO) treatment in a single participant with DRPLA due to a heterozygous pathogenic CAG trinucleotide expansion in ATN1

02

Conditions studied

  • Dentatorubral-Pallidoluysian Atrophy
03

In context

Lead sponsor

n-Lorem Foundation is the lead sponsor of 17 studies on the registry; 6 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
17 Years to 17 Years
Sexes eligible
Male
Accepts healthy volunteers
No

Inclusion criteria

  • Informed consent/assent provided by the participant (when appropriate), and/or participant's parent(s) or legally authorized representative(s).
  • Ability to travel to the study site and adhere to study-related follow-up examinations and/or procedures and provide access to participant's medical records.
  • Genetically confirmed Dentatorubral-pallidoluysian atrophy (DRPLA) due to ATN1 mutation

Exclusion criteria

Exclusion Criteria:

  • Use of investigational medication within 5 half-lives of the drug at enrolment
  • Participant has any condition that in the opinion of the Site Investigator, would ultimately prevent the completion of study procedures.
05

Study design

Phase
Phase 1 / Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
1 participant (actual)

Study arms

  • Experimental
    Open Label

    Drug: nL-ATN1-002

Interventions

  • DrugnL-ATN1-002

    Personalized antisense oligonucleotide

06

What researchers measure

Primary outcomes

  1. Ataxia

    Change in mobility and ataxia from baseline to 6-, 12-, 18- and 24-months post nL-ATN1-002 administration as measured by the Scale for Assessment and Rating of Ataxia (SARA).

    Time frame: Baseline to 24 months

  2. Ataxia

    Change in mobility and ataxia from baseline to 6-, 12-, 18- and 24-months post nL-ATN1-002 administration as measured by wrist/ankle accelerometers (peak velocity, peak acceleration, movement entropy).

    Time frame: Baseline to 24 months

  3. Ataxia

    Change in mobility and ataxia from baseline to 6-, 12-, 18- and 24-months post nL-ATN1-002 administration as measured by home gait video assessment (reviewed by blinded rater using gait and stance rating criteria from the SARA).

    Time frame: Baseline to 24 months

Secondary outcomes

  1. Seizures

    Change in seizure frequency and length of seizures, as well as seizure medication use, from baseline to 12- and 24-months post nL-ATN1-002 administration as measured by caregiver seizure diary tracking.

    Time frame: Baseline to 24 months

  2. Quality of Life

    Change in quality of life from baseline to 6-, 12-, 18- and 24-months post nL-ATN1-002 administration as measured by the Activities of Daily Living questionnaire (ADL).

    Time frame: Baseline to 24 months

  3. Quality of Life

    Change in quality of life from baseline to 6-, 12-, 18- and 24-months post nL-ATN1-002 administration as measured by the Caregiver Global Impression of Change questionnaire (CGI-C).

    Time frame: Baseline to 24 months

  4. Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]

    Time frame: Baseline to 24 months

  5. Incidence of Treatment-Emergent abnormalities in physical and neurological exams [Safety and tolerability]

    Time frame: Baseline to 24 months

  6. Incidence of Treatment-Emergent abnormalities in safety labs (CSF, chemistry, hematology, coagulation, and urinalysis) [Safety and tolerability]

    Time frame: Baseline to 24 months

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Study locations

1 site
  • Columbia University
    New York, New York 10027, United States
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 9, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT06706388
Lead sponsor
n-Lorem Foundation
Collaborators
Columbia University
Responsible party
Sponsor
First posted
Nov 26, 2024
Start date
Feb 21, 2024
Primary completion
Feb 2027 (estimated)
Completion
Feb 2027 (estimated)
Last update
Apr 9, 2026

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Apr 2026. You cannot join it, but the record below documents what was studied.

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