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EpilepsyPhase 4NCT01127256

Comparative Study of Zonisamide and Carbamazepine as an Initial Monotherapy: Efficacy and Safety Evaluation

A Phase 4 study testing zonisamide and carbamazepine in people with Epilepsy, run by Eisai Korea Inc. at 12 sites in South Korea.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to compare the efficacy and safety of zonisamide with carbamazepine and to determine the optimum dose of zonisamide in patients with epilepsy. Read more about this study

Who is it for?
Ages 15 years and older
Conditions the study is for
Epilepsy
What is being tested?
zonisamide and carbamazepine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
200 participants
Where
12 sitesSouth Korea
Study dates
31 May 2006to 31 Jul 2009
Phase
Phase 4
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 15 years and older
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • Epilepsy patients over 15 years old.
  • Occurrence of seizure should be more than one time within recent 3 months and more than two times within recent 6 months.
  • Patients who have not taken antiepileptic drugs (AEDs) in recent 3 months.
  • Female who can be in the month of pregnancy should agree to prevent conception.
  • Patients who agree with Informed Consent Form.

Who cannot join

  • Patients who have Myoclonic seizures and/or Absence seizures.
  • Patients who have progressive central nervous system (CNS) disorder.
  • Patients who have serious systemic disorder.
  • Upward of doubled normal serum glutamic oxaloacetic transaminase (SGOT) or serum glutamic pyruvic transaminase (SGPT) level and/or tripled blood urea nitrogen (BUN)/Creatinine levels.
  • Patients who have renal stones.
  • Medical history of medicinal poisoning and/or alcoholism.
  • Patients who have long-term medication history (more than 6 months) of zonisamide and/or carbamazepine.

Trial locations and contacts

12 sites in 1 country.

12 sites in 1 country

South Korea12 sites
  • Seoul National Univ. Bundang Hosp.

    Bundang

  • Dongguk Univ. Ilsan Hosp.

    Ilsan

  • Inha Univ. Hosp.

    Incheon

  • Chungnam National Univ. Hosp.

    Jungnam

  • Boramae Medical Center

    Seoul

  • Eulji General Hosp.

    Seoul

  • Ewha Womans Univ. Mokdong Hospital

    Seoul

  • Hallym Univ. Medical Center

    Seoul

  • Hanyang Univ. Medical Center

    Seoul

  • Konkuk Univ. Medical Center

    Seoul

  • Samsung Medical Center

    Seoul

  • Seoul National Univ. Hosp.

    Seoul

Other trials in South Korea

About this study

The purpose of this study is to compare the efficacy and safety of zonisamide with carbamazepine and to determine the optimum dose of zonisamide in patients with epilepsy.

Read the detailed description

To compare efficacy and safety between the zonisamide group and the carbamazepine group. The zonisamide group will be divided into 2 subgroups: Slow-titration group and Fast-titration group to find out optimum titration of zonisamide. This study will proceed through 25~27 weeks.

Conditions
Epilepsy
Being tested
zonisamide, carbamazepine
Medical subject headings
Epilepsy

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • zonisamideDrug

    Initial dose was 100mg/day, increased by 100mg. The maximum dose was 600mg/day.

  • carbamazepineDrug

    Initial dose was 100mg/day, increased by 200mg every 1 week to 600mg/day. The maximum dose was 1200mg/day.

Study groups in NCT01127256
Study groupRoleWhat they receive
1ExperimentalNot described
Receives: Drug: zonisamide
2Active comparatorNot described
Receives: Drug: carbamazepine

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The Percentage of Participants With Seizure Free Rate

    The percentage of participants who had no seizure during the trial.

    Measured: 24 weeks

Secondary outcomes (2)
  1. The Percentage of Participants With Retention Rate

    The percentage of participants who completed the trial.

    Measured: 24 weeks

  2. Quality of Life in Epilepsy (QoL-QOLIE31)

    Quality of life assessment tool. Overall scores is calculated by summing subsections, and it ranges from 0 to 100. Higher score presents higher quality of life.

    Measured: 24 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted20 May 2010 (estimated)
  2. Study start31 May 2006
  3. Primary completion31 May 2009
  4. Study completion31 Jul 2009

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
200 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01127256
Sponsor's protocol ID
E2090-S082-405
Status last verified
May 2010
First submitted
19 May 2010
Last updated
4 Jan 2022

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing zonisamide and carbamazepine in people with Epilepsy, run by Eisai Korea Inc. at 12 sites in South Korea.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 4 Jan 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 12 sites in South Korea. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 26 Jul 2012). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

The Percentage of Participants With Seizure Free Rate (time frame: 24 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Jan 2022.

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