Using Amantadine and TMS to Treat Fatigue in Multiple Sclerosis

Amantadine and Transcranial Magnetic Stimulation for Treating Fatigue in Multiple Sclerosis: Phase III Study, Controlled, Randomized, Crossed Over and Double Blind.

PHASE3 · Hospital San Carlos, Madrid · NCT05809414

This study is testing whether the combination of a medication called amantadine and a treatment called TMS can help reduce fatigue in people with multiple sclerosis.

Quick facts

PhasePHASE3
Study typeInterventional
Enrollment144 (estimated)
Ages18 Years and up
SexAll
SponsorHospital San Carlos, Madrid (other)
Locations4 sites (Cadiz and 3 other locations)
Trial IDNCT05809414 on ClinicalTrials.gov

What this trial studies

This clinical trial aims to evaluate the effectiveness of amantadine, transcranial magnetic stimulation (TMS), and their combination in reducing fatigue among patients with multiple sclerosis (MS). It is a randomized, placebo-controlled, crossover, double-blind study that will assess changes in fatigue severity, cognition, depression, and quality of life using validated scales. The trial seeks to provide a more effective treatment option for a common and debilitating symptom of MS, which currently lacks adequate therapeutic solutions.

Who should consider this trial

Good fit: Ideal candidates for this study are adults with multiple sclerosis experiencing significant fatigue, as indicated by specific eligibility criteria.

Not a fit: Patients with fatigue due to conditions other than multiple sclerosis or those with contraindications to the trial treatments may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a new effective treatment for fatigue in patients with multiple sclerosis.

How similar studies have performed: Preliminary studies have suggested that TMS may be beneficial for treating fatigue in MS, but this approach has not been adequately tested in large-scale trials.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Expanded Disability Status Scale mark 1.5 - 4.5
2. Fatigue Severity Scale \> 4
3. Beck Depression Inventory \< 30
4. No relapse for, at least, three month prior to screening
5. Drug washout period = 4 weeks for any fatigue aimed drug
6. Patient capable to sign the informed consent

Exclusion Criteria:

1. Fatigue causing disease other than multiple sclerosis:

   1. sleep apnea
   2. other autoimmune disease that could be explain the fatigue.
   3. endocrine autoimmune disease if the blood test is not in range in the last 6 month.
   4. patient with diagnosis of chronic fatigue
   5. Patient with high blood pressure out of range or decompensated heart failure or New York Heart Association (NYHA) 3-4.
2. Secondary Epilepsy or neuropathic chronic pain which requires continuous treatment.
3. Contraindication for trial treatment:

   1. Some kind of magnetic metal.
   2. Epilepsy antecedents.
   3. Any drugs that could decrease the seizure threshold
   4. Amantadine sensitivity
   5. Cardiopathy disease, severe kidney failure, Angle-closure glaucoma
4. Breastfeeding, pregnancy, or pregnancy planning phase in the next year. Of childbearing potential and willing to use an acceptable method of contraception during the study period.
5. Patient with a terminal disease with no more than one year life expectancy.
6. Patient has been treated for a maligned disease in the past three years.
7. A scheduled surgery in the course of the trials.
8. Any condition that a member of research team consider could affect to participation/follow up patient.
9. Alcoholic o toxics condition in the last year.
10. Major mental disorders
11. Poor communication skills or poor cognitive condition.
12. Other trial participation in the previous 4 month.
13. Use a chronic drug that could interfere in the clinical outcome.

Where this trial is running

Cadiz and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Multiple Sclerosis, Fatigue, Amantadine, Transcranial Magnetic Stimulation, Modified Fatigue Impact Scale

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.