A Pilot Study of Prophylactic Management of Lamotrigine in Pregnant Women

NCT ID: NCT03774641

Last Updated: 2025-03-05

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

10 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-12-03

Study Completion Date

2024-04-16

Brief Summary

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Pregnant women who are taking lamotrigine will be evaluated monthly during pregnancy including a clinical evaluation and a blood draw for lamotrigine levels at each visit. Based on the Therapeutic Drug Monitoring protocol, participant's lamotrigine dosing will be adjusted as needed based on participant's blood levels compared to the reference concentration that was obtained prior to pregnancy or early in pregnancy while clinically stable. After delivery participant and participant's infants will be assessed for mood and functioning at 1, 2, 4, and 6 weeks postpartum.

Detailed Description

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Studies have demonstrated that at least 80% of women who stop mood stabilizing medications for pregnancy relapse psychiatrically. However, relapse is also quite common in women who continue taking mood stabilizing medication with studies demonstrating approximately a 30-37% relapse rate-most with depressive episodes. One likely explanation for the high relapse rate of Bipolar Disorder during pregnancy despite continued mood stabilizing medication is decreasing blood levels of mood stabilizing medications during the course of pregnancy. Pregnancy induces both pharmacokinetic and pharmacodynamic changes, which can result in decreased serum blood levels and decreased treatment efficacy. Therapeutic drug monitoring is considered standard of care for a number of psychiatric medications. Therapeutic drug monitoring can be an especially crucial guide to clinical treatment during pregnancy, but remarkably, there are no established protocols for the monitoring of levels and dosing of psychiatric medications in pregnancy. Most pregnant psychiatric patients are therefore managed based on symptom recurrence. In contrast, there are established protocols for monitoring blood levels and prophylactic management of antiepileptic medications for epilepsy, including lamotrigine which is also a mood stabilizing medication. The investigators will collect pilot data on the psychiatric outcomes, adverse events, and obstetrical and infant outcomes of pregnant women with Bipolar Disorder who undergo prophylactic therapeutic drug monitoring for a commonly used mood stabilizing medication during pregnancy- lamotrigine. In the epilepsy literature, there is a published protocol for lamotrigine management before, during, and after pregnancy for seizure control; the investigators will use this protocol as a guide.

Conditions

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Bipolar Disorder Major Depressive Disorder Schizo Affective Disorder

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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Taking Lamotrigine

Lamotrigine (Lamictal), dosage will be based on a reference concentration of blood-serum levels

Lamictal

Intervention Type DRUG

Blood-serum levels will be checked monthly during pregnancy and reference concentration will be maintained

Interventions

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Lamictal

Blood-serum levels will be checked monthly during pregnancy and reference concentration will be maintained

Intervention Type DRUG

Other Intervention Names

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Lamotrigine

Eligibility Criteria

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Inclusion Criteria

* pregnant, prior or 20 weeks
* currently taking Lamotrigine and plan to continue throughout pregnancy
* history of Bipolar Disorder, Major Depressive Disorder, Schizoaffective Disorder or other psychiatric illness, currently stable
* may be taking other psychiatric medications

Exclusion Criteria

* suicidal/clinically unstable
* alcohol, marijuana, or other drug dependence in last 90 days
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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National Institute on Aging (NIA)

NIH

Sponsor Role collaborator

Johns Hopkins University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Lindsay Standeven, MD

Role: PRINCIPAL_INVESTIGATOR

Johns Hopkins University

Locations

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550 N Broadway

Baltimore, Maryland, United States

Site Status

Countries

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United States

References

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Provided Documents

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Document Type: Study Protocol

View Document

Other Identifiers

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1R01AG058671

Identifier Type: NIH

Identifier Source: secondary_id

View Link

IRB00162134

Identifier Type: -

Identifier Source: org_study_id

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