Prevalence, risk factors and predictive score of hypovitaminosis D in patients with epilepsy

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20260516002

Enrollment

102

Registered

2026-05-16

Start date

2026-05-26

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Epilepsy Epilepsy, Hypovitaminosis D, Prevalence, Risk factors

Interventions

Subjects with Vitamin D deficiency

Screening

hypovitaminosis D

Eligibility

Sex/Gender

All

Age

15 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients with epilepsy who had been receiving anti-seizure medication for at least three months.

Exclusion criteria

Exclusion criteria: 1 Current use of vitamin D supplements. 2 Initiation of or switch to a new anti-seizure medication (ASM) within the past three months. 3 Concomitant use of medications affecting vitamin D levels, including glucocorticoids, anti-tuberculosis drugs, and bisphosphonates. 4 Presence of the following comorbidities: chronic kidney disease (CKD stage 3-5), liver cirrhosis, and malabsorption syndromes. 5 Pregnant or breastfeeding patients.

Design outcomes

Primary

Measure	Time frame
hypovitaminosis-D at enrollment serum 25(OH)D	—

Countries

Thailand

Contacts

Public ContactChumpol Anamnart

Prapokklao Hospital

chumpolan@gmail.com0814306100

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026