NCT06372145

Who might be able to join this trial:

• You have a form of multiple sclerosis (relapsing MS, primary progressive MS, or non-relapsing secondary progressive MS) and you previously completed a related earlier clinical trial (Phase 2b or one of four Phase 3 studies) while taking the study drug.
• You were part of one of those earlier trials but had to temporarily stop taking the study drug due to a national emergency, and you completed all required trial visits.

Who may not be able to join:

• You have an ongoing or recurring serious infection, including a fever above 38°C (100.4°F) that is considered unstable, as assessed by the study doctor.
• You show signs of active or past hepatitis B or C infection based on blood tests taken at your check-in visit (confirm with trial site).
• You currently have, or have had in the past year, a problem with alcohol or drug misuse.
• You currently drink more than 2 alcoholic drinks per day (men) or more than 1 alcoholic drink per day (women).
• You have an abnormal heart rhythm result on an ECG at your check-in visit that the study doctor considers a concern.
• You have a bleeding disorder, abnormal platelet levels, or other conditions that may put you at risk of excessive bleeding during the study.
• Your blood test results at your check-in visit show certain liver enzyme levels that are too high (confirm with trial site).
• You have an active liver disease, liver scarring (cirrhosis), or a chronic liver condition that has not been stable for at least 6 months.
• You have developed a significant heart, liver, hormonal, neurological, or other major health condition that the study doctor believes would make participation unsafe or affect the study results.
• You are currently taking certain medications that are not allowed by this study, including specific drugs that affect how the study drug is processed by your liver (confirm with trial site).

Important: Always verify eligibility with the trial site directly before applying.