A Study of LTX-002 in Adult Participants With Amyotrophic Lateral Sclerosis

Recruiting now · Phase 1/Phase 2 · Has a placebo group

Conditions studied: Amyotrophic Lateral Sclerosis

In brief

This study will examine what happens when patients with amyotrophic lateral sclerosis (ALS) are given an investigational medication (study drug) known as LTX-002. Specifically, the researchers will be looking at safety, tolerability (if someone has any side effects from the drug), pharmacokinetics (what the body does to the study drug) and pharmacodynamics (what the study drug does to the body). The study will also investigate the effect of the drug on indicators of the severity of ALS, such as markers in blood and in the cerebrospinal fluid (the fluid that surrounds the brain and spinal cord, CSF) and on measures of the participant's ability to move, speak, and breathe.

Key facts

Study ID

NCT07660614

Run by

Leal Therapeutics, Inc

People needed

56

Starts

2026-04-29

Expected to finish

2031-06-01

Last updated by the study team

2026-06-22

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Diagnosis of ALS per Gold Coast criteria
• ALS symptom onset less than 36 months prior to Screening
• Slow vital capacity ≥ 50% of predicted value
• Body mass index ≥18 and ≤40 kg/m2

You may not qualify if…

• Current evidence or history of a clinically significant medical condition that, in the Investigator's judgement, would impact the participant's safety, interpretation of study results, or place the participant at high risk of poor treatment compliance or of not completing the study
• History of brain or spinal abnormalities on magnetic imaging (MRI) or computed tomography (CT) that might interfere with the lumbar puncture (LP), cerebrospinal fluid (CSF) circulation or safety assessments
• Prior treatment with antisense oligonucleotide (ASO), small interfering RNA, stem cell therapy, or gene therapy for any indication
• Tracheostomy
• HIV, Hepatitis B or C infection (acute or chronic)
• Presence of implanted shunt (CSF) or vascular device
• Risk for uncontrolled bleeding
• Pregnant or breastfeeding

Where it is running

• Universitair Medisch Centrum Utrecht — Utrecht, Netherlands (enrolling)
• Karolinska Universitetssjukhuset — Stockholm, Sweden (enrolling)
• University Hospital Schleswig-Holstein, Campus Lübeck — Lübeck, Germany
• Istituto Neurologico "Carlo Besta" — Milan, Italy
• AOU Città della Salute e della Scienza di Torino — Torino, Italy

Full record on ClinicalTrials.gov

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