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Completed Phase 2 Interventional Results available

Open Label Extension Study of AMX0035 in Patients With ALS

ClinicalTrials.gov ID: NCT03488524

Public ClinicalTrials.gov record NCT03488524. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 6:25 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Evaluation of the Safety, Tolerability, Efficacy, and Activity of AMX0035, a Fixed Combination of Phenylbutyrate (PB) and Tauroursodeoxycholic Acid (TUDCA), for Treatment of Amyotrophic Lateral Sclerosis: Open-Label Extension

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This extension study, in which all participants received active treatment (AMX0035), was designed to assess the longer-term safety and therapeutic potential of AMX0035 for participants who have completed the Main Study (AMX3500, also known as CENTAUR).

Study identification

NCT ID
NCT03488524
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Amylyx Pharmaceuticals Inc.
Industry
Enrollment
90 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
Not listed
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 29, 2018 (Actual)
Primary completion
Mar 1, 2021 (Actual)
Completion
Mar 1, 2021 (Actual)
Last update posted
Aug 13, 2025

2018 – 2021

United States locations

U.S. sites
24
U.S. states
19
U.S. cities
23
Facility City State ZIP Site status
Barrow Neurological Institute-Dignity Health, St Joseph's Hospital and Medical Center Phoenix Arizona 85013 —
University of California, Irvine Orange California 92868 —
California Pacific Medical Center San Francisco California 94114 —
University of Florida College of Medicine Gainesville Florida 32610 —
University of South Florida College of Medicine Tampa Florida 33612 —
Emory University Hospital Atlanta Georgia 30322 —
University of Iowa, Carver College of Medicine Iowa City Iowa 52242 —
University of Kentucky Medical Center Lexington Kentucky 40536 —
Ochsner Neuroscience Institute New Orleans Louisiana 70121 —
Johns Hopkins Hospital Baltimore Maryland 21205 —
Massachusetts General Hospital Boston Massachusetts 02114 —
University of Massachusetts Memorial Medical Center Worcester Massachusetts 01655 —
University of Michigan, Michigan Medicine Ann Arbor Michigan 48109 —
Hennepin County Medical Center Minneapolis Minnesota 55415 —
Washington University Medical Center St Louis Missouri 63110 —
Neurology Associates, PC Lincoln Nebraska 68506 —
Wake Forest School of Medicine Winston-Salem North Carolina 27157 —
The Ohio State University, Wexner Medical Center Columbus Ohio 43221 —
Oregon Health & Science University Portland Oregon 97239 —
The Penn Comprehensive Neuroscience Center Philadelphia Pennsylvania 19107 —
Temple University Hospital Philadelphia Pennsylvania 19140 —
Texas Neurology, PA Dallas Texas 75214 —
University of Texas Health Science Center, San Antonio San Antonio Texas 78229 —
Swedish Neuroscience Center Seattle Washington 98122 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03488524, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 13, 2025 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03488524 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →