Outcomes After Planned Discontinuation of AntiSeizure Medication

Recruiting now · Phase 4

Conditions studied: Epilepsy

In brief

The main purpose of this study is to understand the effects of continuing versus discontinuing antiseizure medications after a period of seizure-freedom. Physician guidelines endorse that after a period of seizure-freedom, the risk of another seizure may be low enough to allow patients to consider coming off antiseizure medication to see if they still need it. However, evidence is limited regarding how much continuing antiseizure medication still reduces seizures versus increases side effects after a patient has been treated for a while. This study will determine whether discontinuing antiseizure medications benefits patients.

Key facts

Study ID

NCT07750496

Run by

University of Michigan

People needed

40

Starts

2026-08-01

Expected to finish

2029-08-01

Last updated by the study team

2026-08-06

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Provision of signed and dated informed consent form
• Stated willingness to comply with all study procedures and availability for the duration of the study
• Diagnosis of epilepsy
• At least 2 years since participants most recent seizure
• At most 35% calculated 1-year post-discontinuation seizure risk, based upon the existing multivariable calculator if they are on only 1 ASM, otherwise no such restriction if they are more than 1 ASM
• Willingness to adhere to the study intervention
• Taking at least 1 antiseizure medication prior to enrollment

You may not qualify if…

• Current pregnancy or planned pregnancy during the study period
• History of epilepsy surgery
• Large space-occupying radiographic lesion such as a large cortical tumor, large artery stroke, or encephalomalacia from traumatic brain injury.
• Subject has any other clinically significant conditions or circumstances that in the judgment of the investigator or treating clinician should preclude study participation.
• Please note: The researchers will ask participants not to drive for 2 months after ASM discontinuation if on monotherapy, and exercise caution while driving if stopping one antiseizure medication but remaining on others

Where it is running

• University of Michigan — Ann Arbor, Michigan, United States (enrolling)

Full record on ClinicalTrials.gov

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