Pregabalin Versus Levetiracetam In Partial Seizures
A Randomized, Double-Blind, Parallel-Group Multi-Center Comparative Flexible-Dose Study Of Pregabalin Versus Levetiracetam As Adjunctive Therapy To Reduce Seizure Frequency In Subjects With Partial Seizures
1 other identifier
interventional
509
20 countries
70
Brief Summary
This study will compare pregabalin and levetiracetam in patients with partial seizures. It will also evaluate the safety and tolerability of pregabalin and levetiracetam in these patients.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Oct 2007
Longer than P75 for phase_3
70 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 27, 2007
CompletedFirst Posted
Study publicly available on registry
October 1, 2007
CompletedStudy Start
First participant enrolled
October 1, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2012
CompletedResults Posted
Study results publicly available
July 11, 2013
CompletedJanuary 28, 2021
May 1, 2013
4.6 years
September 27, 2007
May 21, 2013
January 26, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Proportion of Participants With Response to Treatment
Participants who had at least 50% reduction in 28-day seizure rate from baseline to the end of the maintenance phase were considered as responders. The 28-day seizure rate was calculated as number of partial seizures in the period divided by difference of number of days in the period and number of missing diary day entries in the period, multiplied by 28.
Baseline up to Week 16
Secondary Outcomes (7)
Percent Change From Baseline in 28 Day Seizure Frequency at Week 16
Baseline, Week 16
Change From Baseline in the Proportion of 28-day Secondarily Generalized Tonic-clonic (SGTC) Seizure Rate to 28-day All Partial Seizure Rate at Week 16
Baseline, Week 16
Percentage of Participants Without Seizures
Baseline up to Week 16
Change From Baseline in Brief Psychiatric Rating Scale - Anchored (BPRS-A) Total and Core Score at Week 7, 10, 13, 16 and Follow-up
Baseline, Week 7, 10, 13, 16 and Follow-up (Day 7 of taper phase)
Hospital Anxiety and Depression Scale (HADS) Score
Baseline, Week 16
- +2 more secondary outcomes
Study Arms (2)
B
ACTIVE COMPARATORA
ACTIVE COMPARATORInterventions
300, 450, 600 mg/day administered orally, BID until seizure control/improvement or intolerable side effects
1000, 2000, 3000 mg/day administered orally, BID until seizure control/improvement or intolerable side effects
Eligibility Criteria
You may qualify if:
- Subjects (male or female) must be \> 18 years of age, with a diagnosis of epilepsy with partial seizures, as defined in the International League Against Epilepsy (ILAE) classification of seizures.
- Partial seizures may be simple or complex, with or without secondary tonic-clonic generalization.
- Subjects must be have been diagnosed with epilepsy for at least 2 years, and must have been unresponsive to treatment with at least two but no more than five prior antiepileptic drugs (AEDs), and at the time of study enrollment are on stable dosages of 1 or 2 standard AEDs.
You may not qualify if:
- Females who are pregnant, breastfeeding, or intend to become pregnant during the course of the trial will be excluded
- Subjects with other neurologic illness that could impair endpoint assessment, or subjects with Lennox-Gastaut syndrome, absence seizures, status epileptics within the 12 months prior to trial entry, or with seizures due to an underlying medical illness or metabolic syndrome, will be excluded.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (72)
Pfizer Investigational Site
Duffel, B-2570, Belgium
Pfizer Investigational Site
Yvoir, B-5530, Belgium
Pfizer Investigational Site
Kyustendil, Bulgaria
Pfizer Investigational Site
Pernik, 2300, Bulgaria
Pfizer Investigational Site
Plovdiv, 4000, Bulgaria
Pfizer Investigational Site
Rousse, Bulgaria
Pfizer Investigational Site
Sofia, 1113, Bulgaria
Pfizer Investigational Site
Sofia, 1407, Bulgaria
Pfizer Investigational Site
Barranquilla, Atlántico, 0, Colombia
Pfizer Investigational Site
Bogota, Cundinamarca, 0, Colombia
Pfizer Investigational Site
Montes de Oca, Provincia de San José, Costa Rica
Pfizer Investigational Site
San José, Costa Rica
Pfizer Investigational Site
Brno, 602 00, Czechia
Pfizer Investigational Site
Hradec Králové, 500 03, Czechia
Pfizer Investigational Site
Olomouc, 775 20, Czechia
Pfizer Investigational Site
Ostrava-Trebovice, 772 00, Czechia
Pfizer Investigational Site
Prague, 140 59, Czechia
Pfizer Investigational Site
Příbram, 26195, Czechia
Pfizer Investigational Site
Rychnov nad Kněžnou, 516 01, Czechia
Pfizer Investigational Site
Strasbourg, 67091, France
Pfizer Investigational Site
Toulouse, 31043, France
Pfizer Investigational Site
Bonn, 53105, Germany
Pfizer Investigational Site
Hamburg, 22083, Germany
Pfizer Investigational Site
Athens, 11521, Greece
Pfizer Investigational Site
Thessaloniki, 57010, Greece
Pfizer Investigational Site
Pune, Maharashtra, 411 004, India
Pfizer Investigational Site
Chandigarh, Punjab, 160 012, India
Pfizer Investigational Site
Ludhiana, Punjab, 141 008, India
Pfizer Investigational Site
Florence, 50125, Italy
Pfizer Investigational Site
Foggia, 71100, Italy
Pfizer Investigational Site
Pisa, 56126, Italy
Pfizer Investigational Site
Siena, 53100, Italy
Pfizer Investigational Site
Kaunas, 50009, Lithuania
Pfizer Investigational Site
Vilnius, 08661, Lithuania
Pfizer Investigational Site
Distrito Federal, 14269, Mexico
Pfizer Investigational Site
San Luis Potosí City, 78223, Mexico
Pfizer Investigational Site
Panama City, Panama
Pfizer Investigational Site
Lima, L 11, Peru
Pfizer Investigational Site
Lima, Lima 1, Peru
Pfizer Investigational Site
Tondo, Manila, 1000, Philippines
Pfizer Investigational Site
Cebu City, 6000, Philippines
Pfizer Investigational Site
Davao City, 8000, Philippines
Pfizer Investigational Site
Makati City, 1200, Philippines
Pfizer Investigational Site
Manila, 1000, Philippines
Pfizer Investigational Site
Quezon City, 1100, Philippines
Pfizer Investigational Site
Moscow, 107150, Russia
Pfizer Investigational Site
Moscow, 125367, Russia
Pfizer Investigational Site
Moscow, 129128, Russia
Pfizer Investigational Site
Saint Petersburg, 194044, Russia
Pfizer Investigational Site
Saint Petersburg, 194354, Russia
Pfizer Investigational Site
Saint Petersburg, 197022, Russia
Pfizer Investigational Site
Busan, 602-715, South Korea
Pfizer Investigational Site
Daejeon, 301-721, South Korea
Pfizer Investigational Site
Seoul, 110-744, South Korea
Pfizer Investigational Site
Seoul, 120-752, South Korea
Pfizer Investigational Site
Seoul, 135-710, South Korea
Pfizer Investigational Site
Seoul, 137-701, South Korea
Pfizer Investigational Site
Seoul, 138-736, South Korea
Pfizer Investigational Site
Donostia / San Sebastian, Guipuzcoa, 20014, Spain
Pfizer Investigational Site
Alicante, 03010, Spain
Pfizer Investigational Site
Barcelona, 08035, Spain
Pfizer Investigational Site
Córdoba, 14008, Spain
Pfizer Investigational Site
Girona, 17007, Spain
Pfizer Investigational Site
Seville, 41071, Spain
Pfizer Investigational Site
Kaohsiung City, 807, Taiwan
Pfizer Investigational Site
Taichung, 407, Taiwan
Pfizer Investigational Site
Tainan, 704, Taiwan
Pfizer Investigational Site
Çapa, Istanbul, 34390, Turkey (Türkiye)
Pfizer Investigational Site
Ankara, 06100, Turkey (Türkiye)
Pfizer Investigational Site
Cerrahpasa / Istanbul, 34098, Turkey (Türkiye)
Pfizer Investigational Site
Caracas, Libertador, 1010, Venezuela
Pfizer Investigational Site
Caracas, Miranda, 1080-A, Venezuela
Related Publications (1)
Zaccara G, Almas M, Pitman V, Knapp L, Posner H. Efficacy and safety of pregabalin versus levetiracetam as adjunctive therapy in patients with partial seizures: a randomized, double-blind, noninferiority trial. Epilepsia. 2014 Jul;55(7):1048-57. doi: 10.1111/epi.12679. Epub 2014 Jun 5.
PMID: 24902473DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
Results for BPRS were provided as change in scores at Week 16 compared to baseline instead of absolute scores as per planned analysis.
Results Point of Contact
- Title
- Pfizer ClinicalTrials.gov Call Center
- Organization
- Pfizer, Inc.
Study Officials
- STUDY DIRECTOR
Pfizer CT.gov Call Center
Pfizer
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 27, 2007
First Posted
October 1, 2007
Study Start
October 1, 2007
Primary Completion
May 1, 2012
Study Completion
May 1, 2012
Last Updated
January 28, 2021
Results First Posted
July 11, 2013
Record last verified: 2013-05