Understanding medication effects during pregnancy and breastfeeding for women with epilepsy

Physiological-based Pharmacokinetics Approach to Determine the Extent of Drug Exposure of Antiseizure Medications During Pregnancy and Breastfeeding

Observational University of Pittsburgh · NCT05450978

This study is trying to see how anti-seizure medications work in pregnant women with epilepsy to help find the right doses that keep both moms and their babies safe.

Quick facts

Study typeObservational
Enrollment60 (estimated)
Ages18 Years to 45 Years
SexFemale
SponsorUniversity of Pittsburgh Academic / other
Locations1 site (Pittsburgh, Pennsylvania)
Trial IDNCT05450978 on ClinicalTrials.gov

What this trial studies

This observational study aims to analyze how anti-seizure medications (ASMs) like lamotrigine and levetiracetam are processed in the bodies of pregnant women with epilepsy. By developing pharmacokinetic models, the study seeks to predict changes in drug clearance throughout pregnancy and postpartum, allowing for better dose adjustments without frequent lab visits. The research will also assess the exposure of these medications to unborn children and nursing infants, aiming to protect mothers from increased seizures and minimize potential toxicity to their babies.

Who should consider this trial

Good fit: Ideal candidates are women aged 18-45 with epilepsy who are planning pregnancy or are in the early first trimester.

Not a fit: Patients with a history of functional seizures or significant medical illnesses may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to safer and more effective management of epilepsy in pregnant women, improving outcomes for both mothers and their infants.

How similar studies have performed: Other studies have shown promise in understanding pharmacokinetics during pregnancy, but this specific approach is novel and untested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Woman with epilepsy between the ages of 18-45 planning pregnancy or in the early first trimester of pregnancy.
* Women with epilepsy ability to maintain a daily medical diary
* Women with epilepsy ability to answer side effect questionnaires
* Women with epilepsy currently being treated with lamotrigine (LTG) or levetiracetam (LEV) or oxcarbazepine (OXC)

Exclusion Criteria:

* Women with epilepsy having history of functional seizures.
* Women with epilepsy history of other major medical illnesses including renal or hepatic disease, progressive cerebral disease,
* Women with epilepsy who have inability to maintain a seizure and medication daily diary
* Women with epilepsy with present or recent history of drug or alcohol abuse, or the use of any concomitant medications that interact with the ASM they are taking (lamotrigine, levetiracetam, oxcarbazepine).

Where this trial is running

Pittsburgh, Pennsylvania

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.
Conditions EpilepsyPregnancy Related
Last reviewed 2026-06-13 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.