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Multiple SclerosisNovember 2024Summary reviewed August 2026

Talk Therapy and a Wakefulness Pill Both Cut MS Fatigue by About 30%

People with multiple sclerosis tried three approaches to extreme tiredness: talk therapy sessions, a wakefulness pill called modafinil, or both together. All three cut fatigue by roughly the same amount after 12 weeks. Combining the pill and therapy didn't work better than either one alone.

What the trial was testing

The COMBO-MS enrolled 343 patients with multiple sclerosis. The study was sponsored by University of Michigan and tracked outcomes across the full group of patients who matched the trial's eligibility profile.

It was long-term safety (phase 4). Trials at this stage are designed to produce evidence regulators and physicians can act on — not just observations to follow up later.

What the results showed

All three treatments reduced fatigue by about 30% in people with MS after 12 weeks.

The Lancet. Neurology · 2024 · NCT03621761

These findings — that talk therapy and modafinil each cut MS fatigue by roughly the same amount — were published in the The Lancet. Neurology and represent the headline result of the study.

Researchers tracked outcomes across 343 patients enrolled in the trial. The result was consistent enough across the group that the team felt confident reporting it.

What this means for patients

For patients with multiple sclerosis, this result changes the calculus on what to ask their care team about. Whether it changes day-to-day care depends on factors like disease subtype, prior treatments, and where the patient is in their care journey.

What you can do now

If you have MS and struggle with exhausting fatigue, this study shows you have real options. Talk therapy focused on fatigue helped just as much as the wakefulness pill modafinil — and both are FDA-approved for MS fatigue management. Taking both together didn't add extra benefit, so you and your doctor can choose whichever fits your life better.

Eligibility for the treatments mentioned above depends on specific test results and clinical history. Bring this summary, the trial name, and your most recent labs or pathology report to your next visit.