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Efficacy and Safety of Different Doses of Folic Acid Supplementation in Pregnant Women with Epilepsy for Preventing Adverse Offspring Outcomes: A Double-Blind Randomized Controlled Trial

Efficacy and Safety of Different Doses of Folic Acid Supplementation in Pregnant Women with Epilepsy for Preventing Adverse Offspring Outcomes: A Double-Blind Randomized Controlled Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500108214
Enrollment
Unknown
Registered
2025-08-26
Start date
2025-09-10
Completion date
Unknown
Last updated
2025-11-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Epilepsy

Interventions

Standard Supplementation Group:Folic acid supplementation of 0.4mg/day
High-Dose Supplementation Group:Folic acid supplementation of 2mg/day

Sponsors

West China Hospital of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1.Female patients diagnosed with epilepsy according to the International League Against Epilepsy (ILAE) diagnostic criteria. 2.Aged 18 to 45 years. 3.Positive pregnancy test with gestational age < 8 weeks. 4.Signed informed consent.

Exclusion criteria

Exclusion criteria: 1.Seizure occurrence within the 3 months prior to conception; 2.History of neural tube defects or other congenital malformations in previous pregnancies; 3.Presence of neural tube defects, other congenital malformations, or relevant family history in the patient; 4.Presence of neural tube defects, other congenital malformations, or relevant family history in the patient’s partner; 5.Coexisting megaloblastic anemia; 6.Coexisting malignancy or severe systemic disease (e.g., Crohn’s disease, rheumatoid arthritis, ulcerative colitis); 7.Current use of medications interfering with folate metabolism (e.g., methotrexate, sulfasalazine, antimalarials), excluding antiseizure medications; 8.Hyperhomocysteinemia(serum homocysteine concentration >15 µmol/L); 9.Long-term exposure to ionizing radiation; 10.Alcohol abuse (>500 mL/week within the past 12 months); 11.Allergy to folic acid or contraindication to its use; 12.Participation in another clinical trial;

Design outcomes

Primary

MeasureTime frame
Composite adverse offspring outcomes;

Secondary

MeasureTime frame
Incidence of Small Gestational Age;Incidence of Preterm Birth;Incidence of antiseizure medication (ASM) adjustments during pregnancy;Incidence of adverse events;Incidence of neurological abnormalities;Incidence of Major Congenital Malformation;Incidence of Stillbirth;Incidence of Spontaneous Abortion;Incidence of Pregnancy Complications;Incidence of seizures during pregnancy;

Countries

China

Contacts

Public ContactChen Lei

West China Hospital of Sichuan University

leilei_25@126.com+86 28 8542 2007

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026