Clinical trial Recruiting at 6 sites Phase 3 Interventional Ages 18 to 75

Using Biperiden to Prevent Epilepsy After Brain Injury

Official title: Biperiden for Prevention of Epilepsy in Patients With Traumatic Brain Injury

Run by Hospital Sirio-Libanes · NCT04945213 · Data updated 2026-11-12

This study tests if the medication biperiden can help prevent seizures in adults who have had a serious brain injury.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment312 (estimated)
SponsorHospital Sirio-Libanes
Academic / other
Locations10 sites (Fortaleza, Ceará and 9 other locations)
StatusRecruiting
StartedJanuary 10, 2023
Main results expectedDecember 20, 2026
Study endsDecember 20, 2026
Registry record updatedMarch 26, 2024
Trial IDNCT04945213 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 to 75 with moderate to severe acute traumatic brain injury and specific neurological assessments.

Probably not a fit

Patients with a history of epilepsy or seizures, or those who have previously used biperiden, will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial evaluates the effectiveness of biperiden, an anticholinergic medication, in preventing post-traumatic epilepsy (PTE) in adults with moderate to severe traumatic brain injury (TBI). The study aims to determine the incidence and intensity of spontaneous seizures following TBI and assess the safety and cost-effectiveness of biperiden compared to a placebo. Participants will be monitored for side effects and overall outcomes to establish biperiden's potential as a preventive treatment for PTE.

Why it matters

Potential benefit: If successful, this treatment could significantly reduce the occurrence of epilepsy in patients recovering from traumatic brain injuries.

How similar studies have gone: Previous studies in animal models have shown promising results for biperiden in reducing seizure incidence, but this approach is novel in human subjects.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Given informed consent
* 18 - 75 years of age
* GCS between 6 and 12 at hospital admission. GCS between 3 and 5 at hospital admission can be enrolled if patient was sedated at the accident scene with previous GCS between 6 and 15.
* Moderate or severe acute traumatic brain injury
* All genders
* Brain CT scan with signs of of acute intraparenchymal hemorrhage and/or contusion
* Able to receive the first dose of treatment or placebo within 18 hours of brain injury,

Exclusion Criteria:

* Previous use of biperiden
* History of epilepsy (confirmed by patient chart)
* History of seizures or use of antiepileptic medication
* Pregnancy
* Participation in another clinical trial at the time of randomization
* History of neoplasia, neurodegenerative diseases; history of stroke, cognitive impairment, benign prostatic hyperplasia, atrioventricular block or any other cardiac arrhythmia, or glaucoma megacolon or mechanical obstruction
* Homeless patient

Where it's running

  • Santa Casa de Misericórdia de Sobral
    Sobral, Ceará, Brazil
    Recruiting
  • Hospital São Rafael
    Salvador, Estado de Bahia, Brazil
    Recruiting
  • Associação Beneficente Santa Casa de Campo Grande
    Campo Grande, Mato Grosso do Sul, Brazil
    Recruiting
  • Hospital das Clínicas da Faculdade de Medicina da Universidade de Ribeirão Preto
    Ribeirão Preto, São Paulo, Brazil
    Recruiting
  • Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
    São Paulo, São Paulo, Brazil
    Recruiting
  • Hospital Sirio-Libanes
    São Paulo, Brazil
    Recruiting
Show 4 more locations
  • Instituto Doutor José Frota
    Fortaleza, Ceará, Brazil
    Not yet recruiting
  • Hospital Estadual Urgencia e Emergencia -HEUE
    Vitória, Espírito Santo, Brazil
    Not yet recruiting
  • Hospital São Vicente de Paulo
    Passo Fundo, Rio Grande do Sul, Brazil
    Active not recruiting
  • Hospital São Paulo, Universidade Federal de São Paulo
    São Paulo, Brazil
    Not yet recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.