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Extension Study Following the Studies MT-1186-A03 or A04 to Evaluate the Safety of Oral Edaravone in Subjects With ALS

Multicenter, Open-label Extension Study Following the Studies MT-1186-A03 or A04 to Evaluate the Safety of Oral Edaravone in Subjects With Amyotrophic Lateral Sclerosis (ALS)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05568615
Enrollment
15
Registered
2022-10-05
Start date
2022-10-26
Completion date
2023-06-27
Last updated
2026-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

ALS

Brief summary

The purpose of this study is to evaluate the safety of oral edaravone at a dose of 105 mg administered once daily for 10 days out of a 14-day period, followed by a 14-day drug-free period. This study will be continued until the earlier date when oral edaravone is commercially available at each site in Japan or August 2023.

Interventions

Suspension

Sponsors

Shionogi
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Subjects must provide a signed and dated informed consent form (ICF) to participate in the study. * Subjects must be able (in the judgment of the Investigator) to understand the nature of the study and all risks involved with participation in the study * Subjects must be willing to cooperate and comply with all protocol restrictions and requirements. * Subjects who successfully complete Week 96 of Study MT-1186-A03 or Week 48 of Study MT-1186-A04 and have been compliant with study drug (80-120%).

Exclusion criteria

* Subjects of childbearing potential unwilling to use a highly effective method of contraception from the Visit #1 until 3 months after the last dose of study medication. * Subjects who have a significant risk of suicide. Subjects with any suicidal behavior or suicidal ideation of type 4 (active suicidal ideation with some intent to act, without a specific plan) or type 5 (active suicidal ideation with specific plan and intent) based on the C-SSRS at Week 96 of the A03 study or at Week 48 of the A04 study. * Subjects who are not eligible to continue in the study, as judged by the Investigator.

Design outcomes

Primary

MeasureTime frameDescription
Number of Patients With AEs and Adverse Drug Reactionsup to 8 monthsAdverse Event (AE) is classified as treatment emergent if it newly occurred after the first dose of investigational product or if a pre-dose event increases in severity following the first dose of investigational product. Adverse Drug Reaction (ADR) is a noxious and unintended response to a medicinal product that occurs at doses normally used for prophylaxis, diagnosis, or therapy of disease.

Countries

Japan

Contacts

STUDY_DIRECTORShionogi Clinical Trials Administrator Clinical Support Help Line

Shionogi

Participant flow

Participants by arm

ArmCount
MT-1186
MT-1186 105mg (2weeks On/Off)
15
Total15

Baseline characteristics

CharacteristicMT-1186
Age, Continuous59.3 years
STANDARD_DEVIATION 13.8
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
15 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race/Ethnicity, Customized
American Indian or Alaska Native
0 Participants
Race/Ethnicity, Customized
Asian - Japanese
15 Participants
Race/Ethnicity, Customized
Asian - Not Japanese
0 Participants
Race/Ethnicity, Customized
Black or African American
0 Participants
Race/Ethnicity, Customized
Native Hawaiian or Other Pacific Islander
0 Participants
Race/Ethnicity, Customized
White
0 Participants
Sex: Female, Male
Female
6 Participants
Sex: Female, Male
Male
9 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
1 / 15
other
Total, other adverse events
5 / 15
serious
Total, serious adverse events
2 / 15

Outcome results

Primary

Number of Patients With AEs and Adverse Drug Reactions

Adverse Event (AE) is classified as treatment emergent if it newly occurred after the first dose of investigational product or if a pre-dose event increases in severity following the first dose of investigational product. Adverse Drug Reaction (ADR) is a noxious and unintended response to a medicinal product that occurs at doses normally used for prophylaxis, diagnosis, or therapy of disease.

Time frame: up to 8 months

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
MT-1186Number of Patients With AEs and Adverse Drug ReactionsNumber of patients with AEs6 Participants
MT-1186Number of Patients With AEs and Adverse Drug ReactionsNumber of patients with adverse drug reactions0 Participants
Other Pre-specified

ALSFRS-R Total Score

The ALSFRS-R is rating scale (ratings 0 = can't do, to 4 = normal ability) used to determine participants' assessment of their capability and independence in 12 functional activities.

Time frame: up to 10 months or 31/Aug/2023

Other Pre-specified

Number of Death, Tracheostomy, or Permanent Assisted Mechanical Ventilation (≥23 Hours/Day)

Time frame: up to 10 months or 31/Aug/2023

Source: ClinicalTrials.gov · Data processed: Jul 22, 2026