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A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of RAG-17 in Subjects With Amyotrophic Lateral Sclerosis (ALS) With Superoxide Dismutase Type 1 (SOD1) Gene Mutation

R

Ractigen Therapeutics.

Status and phase

Not yet enrolling
Phase 1

Conditions

Amyotrophic Lateral Sclerosis

Treatments

Drug: RAG-17
Drug: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT06556394
RGN17-001

Details and patient eligibility

About

This is a Phase 1, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of RAG-17 in Subjects with Amyotrophic Lateral Sclerosis (ALS) with Superoxide Dismutase Type 1 (SOD1) Gene Mutation

Full description

The study is a phase 1, randomized, double-blind, placebo controlled study to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of RAG-17 in patients with Amyotrophic Lateral Sclerosis (ALS) with Superoxide Dismutase Type 1 (SOD1) gene mutation. The dose levels will be evaluated sequentially across separate cohorts using a rules-based design, wherein participants will receive RAG-17 or placebo at a ratio of 3:1.

Enrollment

32 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Voluntarily consents to participate in this study and provides written informed consent prior to the start of any study specific procedures.
  2. ≥ 18 years of age at the time of informed consent.
  3. Diagnosis of possible, laboratory supported probable, probable, or definite ALS according to the World Federation of Neurology El Escorial.
  4. Documented SOD1 mutation.
  5. Forced vital capacity (FVC) ≥50% of predicted value as adjusted for sex, age, and height (measured seated).
  6. If taking riluzole or edaravone, subject must be on a stable dose or ≥30 days prior to Day 1 and expected to remain at that dose until the final study visit.

Exclusion criteria

  1. Documented p.F21C SOD1 mutation.
  2. Treatment with another investigational drug, biological agent, or device within 1 month or 5 half-lives of study agent, whichever is longer. Specifically, no prior treatment with small interfering ribonucleic acid, stem cell therapy, or gene therapy is allowed.
  3. Current enrollment in any other interventional study.
  4. History of or positive test result for human immunodeficiency virus, hepatitis C virus antibody or hepatitis B virus.
  5. Pregnant or currently breastfeeding.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

32 participants in 2 patient groups, including a placebo group

RAG-17
Experimental group
Description:
RAG-17 is administered by intrathecal injection to subjects with Amyotrophic Lateral Sclerosis (ALS) with Superoxide Dismutase Type 1 (SOD1) Gene Mutation
Treatment:
Drug: RAG-17
Placebo
Placebo Comparator group
Description:
Placebo is administered by intrathecal injection to subjects with Amyotrophic Lateral Sclerosis (ALS) with Superoxide Dismutase Type 1 (SOD1) Gene Mutation
Treatment:
Drug: Placebo

Trial contacts and locations

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Central trial contact

Long-Cheng Li

Data sourced from clinicaltrials.gov

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