Epilepsy, Partial SeizuresPhase 3PERIWINKLENCT01389596
A Study of the Efficacy and Safety of Pregabalin as Add-On Therapy for Partial Onset Seizures in Children Ages 4-16 Years
A Phase 3 study testing Pregabalin add-on therapy in people with Epilepsy, Partial Seizures, run by Pfizer's Upjohn has merged with Mylan to form Viatris Inc. at 86 sites in 18 countries.
Trial summary
Study A0081041 is a double blind, placebo controlled, randomized, parallel group, multicenter study to evaluate the safety and efficacy of two dose levels of pregabalin administered in equally divided daily doses, in either capsule or oral liquid formulation, as adjunctive therapy in pediatric subjects 4 to 16 years… Read more about this study
- Who is it for?
- Ages 4 to 16 years
- Conditions the study is for
- Epilepsy, Partial Seizures
- What is being tested?
- Pregabalin add-on therapy
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 295 participants
- Where
- 86 sitesin 18 countries
- Study dates
- 27 Sep 2011to 10 Aug 2016
- Phase
- Phase 3
- 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 4 to 16 years
- All sexes
- No healthy volunteers
- Child
Who may be able to join
- Subjects and/or parent(s)/legally acceptable representative must be considered willing and able to sign consent, and complete daily seizure diaries and monitor seizure frequency.
- Male and female epilepsy subjects, 4 to 16 years of age inclusive on the date of the Screening Visit.
- Diagnosis of epilepsy with partial onset seizures classified as simple partial, complex partial or partial becoming secondarily generalized, according to the International League Against Epilepsy (ILAE) Diagnosis criteria.
- Must have a partial onset seizure frequency of at least 3 seizures per 28 day period prior to screening. Must have a partial onset seizure frequency of at least 6 seizures and no continuous 4 week seizure free period during the 8 week baseline phase prior to randomization.
- Currently receiving a stable dose of 1 to 3 antiepileptic drugs (stable within 28 days prior to screening).
Who cannot join
- Primary generalized seizures (including in the setting of co-existing partial onset seizures) which include, for example: Clonic, tonic and clonic-tonic seizures (note that partial onset seizures that become secondarily generalized are not exclusionary); Absence seizures; Infantile spasms; Myoclonic, myoclonic atonic, myoclonic tonic seizures.
- Lennox Gastaut syndrome, Benign Epilepsy with Centrotemporal Spikes (BECTS) and Dravet syndrome.
- A current diagnosis of febrile seizures, or seizures related to an ongoing acute medical illness. Any febrile seizures within 1 year of screening.
- Status epilepticus within 1 year prior to screening.
- Seizures related to drugs, alcohol, or acute medical illness.
- Any change in AED regimen (type of medication or dose) within 28 days of the Screening Visit or during the Baseline Phase.
- Progressive structural CNS lesion or a progressive encephalopathy.
Trial locations and contacts
86 sites in 18 countries.
86 sites in 18 countries
United States20 sites
Akron Children's Hospital
Akron, Ohio, 44308
Duke Children's Hospital and Health Center
Durham, North Carolina, 27710
Duke Clinical Research Unit
Durham, North Carolina, 27710
Center for Clinical and Translational Science
Lexington, Kentucky, 40536
Kentucky Neuroscience Institute
Lexington, Kentucky, 40536
University of Kentucky Hospital Epilepsy Monitoring Unit
Lexington, Kentucky, 40536
University of Kentucky Hospital Pharmacy, UK Chandler Hosptial
Lexington, Kentucky, 40536
Arkansas Children's Hospital
Little Rock, Arkansas, 72202
Children's Hospital Los Angeles
Los Angeles, California, 90027
Children´s Hospital Los Angeles
Los Angeles, California, 90027
Kosair Charities Pediatric Clinical
Louisville, Kentucky, 40202
Kosair Children's Hospital
Louisville, Kentucky, 40202
University of Louisville Physicians
Louisville, Kentucky, 40202
Axcess Medical Research
Loxahatchee Groves, Florida, 33470
Saint Peter's University Hospital
New Brunswick, New Jersey, 08901
Laszlo J. Mate, M.D., P.A.
North Palm Beach, Florida, 33408
Pediatric Neurology, P.A.
Orlando, Florida, 32819
Road Runner Research, Ltd.
San Antonio, Texas, 78258
Tallahassee Neurological Clinic
Tallahassee, Florida, 32308
Center for Neurosciences
Tucson, Arizona, 85718
Ukraine9 sites
Komunalnyi zaklad "Dnipropetrovska dytiacha miska klinichna likarnia
Dnipropetrovsk, 49027
Komunalnyi zaklad "Dnipropetrovska oblasna dytiacha klinichna likarnia"
Dnipropetrovsk, 49100
Derzhavna ustanova "Instytut nevrolohii, psykhiatrii ta narkolohii
Kharkiv, 61068
Derzhavna Ustanova Instytut Nevrolohii, Psykhiatrii ta Narkolohii NAMN Ukrainy,
Kharkiv, 61068
Derzhavnyi zaklad "Ukrainskyi medychnyi tsentr reabilitatsii ditei z
Kyiv, 04209
Komunalna ustanova "Odeskyi oblasnyi medychnyi tsentr psykhichnoho zdorovia",
Odesa, 65006
Komunalna ustanova "Odeska oblasna dytiacha klinichna likarnia", Oblasnyi tsentr rannoi
Odesa, 65031
Komunalna ustanova "Odeska oblasna psykhiatrychna likarnia 2",
S. Oleksandrivka, 67513
Oblasnyi klinichnyi tsentr neirokhirurhii ta nevrolohii, viddilennia neirokhirurhii 2,
Uzhhorod, 88018
Philippines7 sites
Cebu Doctors' University Hospital
Cebu City, CEBU, 6000
Cebu Doctors' University Hospital
Cebu City, 6000
University of Santo Tomas Hospital
Manila, 1008
Capitol Medical Center Inc.
Quezon City, National Capital Region, 1100
St. Luke's Medical Center
Quezon City, 1102
Philippine Children's Medical Center
Quezon City, 1105
Center for Neurodiagnostic and Therapeutic Services
Sta Cruz, Manila, 1003
Hungary6 sites
Dr. Kenessey Albert Korhaz es Rendelointezet
Balassagyarmat, H-2660
Szent Janos Korhaz es Eszak Budai Egyesitett Korhazak
Budapest, H-1023
Semmelweis Egyetem, I. Sz. Gyermekgyogyaszati Klinika
Budapest, H-1083
Heim Pal Gyermekkorhaz, Neurologiai Osztaly
Budapest, H-1089
Magyarorszagi Reformatus Egyhaz Bethesda Gyermekkorhaz, Gyermekneurologia
Budapest, H-1146
Pécsi Tudományegyetem Klinikai Központ
Pécs, 7623
Turkey (Türkiye)6 sites
Hacettepe University Medical Faculty
Ankara, Sihhiye/ankara, 06100
Marmara University Pendik Training and Research Hospital
Istanbul, Pendik, 34890
Ege University Medical Faculty Department of Pediatrics Health and Diseases
Izmir, Bornova, 35100
Izmir Tepecik Training and Research Hospital
Izmir, Konak, 35120
Behcet Uz Children Disease and surgery Training and research hospital
Izmir, Konak, 35210
Karadeniz Technical University Faculty of Medicine Farabi Hospital
Trabzon, Farabi, 61080
Poland5 sites
Klinika Neurologii Rozwojowej
Gdansk, 80-952
NZOZ Centrum Neurologii Dzieciecej i Leczenia Padaczki
Kielce, 25316
Wojewodzki Specjalistyczny Szpital Dzieciecy im. sw. Ludwika w Krakowie
Krakow, 31-503
Katedra i Klinika Neurologii Wieku Rozwojowego
Poznan, 60-355
Oddzial Neurologii Dzieciecej, Dolnoslaski Szpital Specjalistyczny im.T. Marciniaka
Wroclaw, 54-049
Romania5 sites
Spitalul clinic de copii Dr. Victor Gomoiu
Bucharest, 022102
Spitalul Clinic de Psihiatrie "Prof. Dr. Al. Obregia"
Bucharest, 041914
Spitalul Clinic de Urgente pentru Copii "Sf. Maria",
Iași, 700309
Spitalul de Psihiatrie Dr. Ghe. Preda
Sibiu, 550 082
Centrul Medical Dr. Bacos Cosma
Timișoara, 300314
France4 sites
CHU Bordeaux - Hopital des Enfants
Bordeaux, 33076
Hôpital Mère Enfant
Bron, 69677
Hopital Raymond Poincare
Garches, 92380
Hopitaux Universitaires de Strasbourg - Hopital Hautepierre
Strasbourg, 67098
Italy4 sites
A.O.U. Ospedali Riuniti di Ancona Presidio Ospedaliero G. Salesi
Ancona, 60123
Azienda Ospedaliero-Universitaria Meyer
Florence, 50139
Fondazione Istituto Neurologico Nazionale Casimiro Mondino, IRCCS - Servizio di Farmacia
Pavia, 27100
Fondazione Istituto Neurologico Nazionale Casimiro Mondino, IRCCS
Pavia, 27100
Serbia4 sites
Mother and Child Healthcare Institute Dr Vukan Cupic
Belgrade, 11000
University Children's Hospital Belgrade
Belgrade, 11000
Clinical Center of Kragujevac
Kragujevac, 34000
Institute for Child and Youth Healthcare of Vojvodina
Novi Sad, Vojvodina, 21000
Belgium3 sites
HUDERF
Brussels, Brussels Capital, 1020
Cliniques Universitaires de Bruxelles Hôpital Erasme
Brussels, 1070
Centre Hospitalier Neurologique William Lennox
Ottignies, Brabant Wallon, 1340
South Korea3 sites
Samsung Medical Center/ Department of Pediatrics, Pediatric Neurology
Seoul, 06351
Seoul National University Hospital
Seoul, 110-744
Severance Hospital, Yonsei University Health System
Seoul, 120 752
Czechia2 sites
Fakultni nemocnice Brno - Detska nemocnice
Brno - Cerna Pole, 613 00
Fakultni nemocnice v Motole
Prague, 150 06
Greece2 sites
General Childrens Hospital of Athens P & A Kyriakou
Athens, 11527
General Children's Hospital Penteli
Athens, 15236
Malaysia2 sites
Paediatric Department
Ipoh, Perak, 30990
Hospital Kuala Lumpur
Kuala Lumpur, 50586
Singapore2 sites
National University Hospital
Singapore, 119074
KK Women's and Children's Hospital
Singapore, 229899
Bulgaria1 site
UMBAL Sveti Georgi, Klinika po pediatria i genetichni zabolyavania
Plovdiv, 4000
About this study
Official title: A DOUBLE-BLIND, PLACEBO-CONTROLLED, PARALLEL-GROUP, MULTICENTER STUDY OF THE EFFICACY AND SAFETY OF PREGABALIN AS ADJUNCTIVE THERAPY IN CHILDREN 4 -16 YEARS OF AGE WITH PARTIAL ONSET SEIZURES
Study A0081041 is a double blind, placebo controlled, randomized, parallel group, multicenter study to evaluate the safety and efficacy of two dose levels of pregabalin administered in equally divided daily doses, in either capsule or oral liquid formulation, as adjunctive therapy in pediatric subjects 4 to 16 years of age with partial onset seizures.
- Conditions
- Epilepsy, Partial Seizures
- Being tested
- Pregabalin add-on therapy
- Keywords
- safety, efficacy, partial onset seizures, pediatric, pregabalin, placebo-controlled, double-blind
- Medical subject headings
- Epilepsy, Seizures
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Pregabalin add-on therapyDrug
Subjects will be randomized to receive a fixed dose of either placebo, pregabalin Level 1 (maximum 150 mg/day) or pregabalin Level 2 (maximum 600 mg/day) in a 1:1:1 ratio, in addition to the subjects current AED medication regimen. Either capsules or oral liquid form will be administered, depending on subjects preference and ability to swallow capsules, in two equally divided daily doses. The study will have an 8 week baseline period; a 2 week dose escalation period; a 9 week dose maintenance period; and a 1 week dose taper period.
Pregabalin add-on therapyDrug
Subjects will be randomized to receive a fixed dose of either placebo, pregabalin Level 1 (maximum 150 mg/day) or pregabalin Level 2 (maximum 600 mg/day) in a 1:1:1 ratio, in addition to the subjects current AED medication regimen. Either capsules or oral liquid form will be administered, depending on subjects preference and ability to swallow capsules, in two equally divided daily doses. The study will have an 8 week baseline period; a 2 week dose escalation period; a 9 week dose maintenance period; and a 1 week dose taper period.
Pregabalin add-on therapyDrug
Subjects will be randomized to receive a fixed dose of either placebo, pregabalin Level 1 (maximum 150 mg/day) or pregabalin Level 2 (maximum 600 mg/day) in a 1:1:1 ratio, in addition to the subjects current AED medication regimen. Either capsules or oral liquid form will be administered, depending on subjects preference and ability to swallow capsules, in two equally divided daily doses. The study will have an 8 week baseline period; a 2 week dose escalation period; a 9 week dose maintenance period; and a 1 week dose taper period.
| Study group | Role | What they receive |
|---|---|---|
| Placebo | Placebo comparator | Not described Receives: Drug: Pregabalin add-on therapy |
| Pregabalin Level 1 (max 150 mg/day) | Experimental | Not described Receives: Drug: Pregabalin add-on therapy |
| Pregabalin Level 2 (max 600 mg day) | Experimental | Not described Receives: Drug: Pregabalin add-on therapy |
What is being measured
The primary outcome is the main question the study is designed to answer.
Log-Transformed 28-Day Seizure Rate For All Partial Onset Seizures During Baseline Phase
All partial onset seizures experienced during baseline phase were recorded by the participants or their parents/legal guardian, in a daily seizure diary. 28-day seizure rate for all partial onset seizures = ([number of seizures in the baseline phase] divided by [number of days in baseline phase minus {-} number of missing diary days in baseline phase])*28. For log-transformation, the quantity 1 was added to the 28-day seizure rate for all participants to account for any possible "0" seizure incidence. This resulted in final calculation as: log transformed (28-day seizure rate +1).
Measured: Baseline phase (up to 8 weeks prior to treatment phase [Day 1])
Log-Transformed 28-Day Seizure Rate For All Partial Onset Seizures During 12-Week Treatment Phase
All partial onset seizures experienced during treatment phase were recorded by the participants or their parents/legal guardian in a daily seizure diary. 28-day seizure rate for all partial onset seizures = ([number of seizures in the treatment phase] divided by [number of days in treatment phase minus {-} number of missing diary days in treatment phase])*28. For log-transformation, the quantity 1 was added to the 28-day seizure rate for all participants to account for any possible "0" seizure incidence. This resulted in final calculation as: log transformed (28-day seizure rate +1).
Measured: Day 1 up to Week 12
Secondary outcomes (1)
Percentage of Participants With at Least 50 Percent (%) or Greater Reduction From Baseline in 28-day Seizure Rate During the 12 Week Treatment Phase
Percentage of participants with 50 percent (%) or greater reduction from baseline in 28-day seizure rate during the 12 week treatment phase were reported. 28-day seizure rate for all partial onset seizures = ([number of seizures in the treatment phase] divided by [number of days in treatment phase minus {-} number of missing diary days in treatment phase])*28.
Measured: Day 1 up to Week 12
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted8 Jul 2011 (estimated)
- Study start27 Sep 2011
- Primary completion10 Aug 2016
- Study completion10 Aug 2016
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Epilepsy, Partial SeizuresStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Care provider, Investigator
- Enrolment
- 295 participants (actual)
Sponsor and investigators
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Pfizer CT.gov Call Center, Study director, Pfizer
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01389596
- Sponsor's protocol ID
- A0081041
- Other IDs
- 2010-020852-79, XALCORY 1014
- Acronym
- PERIWINKLE
- Status last verified
- Jan 2019
- First submitted
- 6 Jul 2011
- Last updated
- 20 Jan 2021
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
- Individual data sharing
- Yes: Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical\_trials/trial\_data\_and\_results/data\_requests.
Publications
Antinew J, Pitrosky B, Knapp L, Almas M, Pitman V, Liu J, Craiu D, Modequillo M, Nordli D, Farkas V, Farkas MK. Pregabalin as Adjunctive Treatment for Focal Onset Seizures in Pediatric Patients: A Randomized Controlled Trial. J Child Neurol. 2019 Apr;34(5):248-255. doi: 10.1177/0883073818821035. Epub 2019 Jan 27.
PubMed 30688135
Study at a glance
From the registry record, last updated by the sponsor on 20 Jan 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A DOUBLE-BLIND, PLACEBO-CONTROLLED, PARALLEL-GROUP, MULTICENTER STUDY OF THE EFFICACY AND SAFETY OF PREGABALIN AS ADJUNCTIVE THERAPY IN CHILDREN 4 -16 YEARS OF AGE WITH PARTIAL ONSET SEIZURES
- ClinicalTrials.gov ID
- NCT01389596
- Acronym / sponsor ID
- PERIWINKLE / A0081041
- Conditions
- Epilepsy, Partial Seizures
- Keywords
- safety, efficacy, partial onset seizures, pediatric, pregabalin, placebo-controlled, double-blind
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 295 participants (actual)
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.Industry (pharma, biotech, devices)
- Study start
- 27 Sep 2011 (actual)
- Primary completion
- 10 Aug 2016 (actual)
- Study completion
- 10 Aug 2016 (actual)
- First posted
- 8 Jul 2011 (estimated)
- Results
- Posted 21 Mar 2017
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Study A0081041 is a double blind, placebo controlled, randomized, parallel group, multicenter study to evaluate the safety and efficacy of two dose levels of pregabalin administered in equally divided daily doses, in either capsule or oral liquid formulation, as adjunctive therapy in pediatric subjects 4 to 16 years of age with partial onset seizures.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, care provider, investigator)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Placebo | Placebo comparator | Drug: Pregabalin add-on therapy |
| Pregabalin Level 1 (max 150 mg/day) | Experimental | Drug: Pregabalin add-on therapy |
| Pregabalin Level 2 (max 600 mg day) | Experimental | Drug: Pregabalin add-on therapy |
Who may qualify
- Ages
- 4 to 16 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child
Key inclusion criteria (5 listed)
- Subjects and/or parent(s)/legally acceptable representative must be considered willing and able to sign consent, and complete daily seizure diaries and monitor seizure frequency.
- Male and female epilepsy subjects, 4 to 16 years of age inclusive on the date of the Screening Visit.
- Diagnosis of epilepsy with partial onset seizures classified as simple partial, complex partial or partial becoming secondarily generalized, according to the International League Against Epilepsy (ILAE) Diagnosis criteria.
- Must have a partial onset seizure frequency of at least 3 seizures per 28 day period prior to screening. Must have a partial onset seizure frequency of at least 6 seizures and no continuous 4 week seizure free period during the 8 week baseline phase prior to randomization.
- Currently receiving a stable dose of 1 to 3 antiepileptic drugs (stable within 28 days prior to screening).
Key exclusion criteria (7 listed)
- Primary generalized seizures (including in the setting of co-existing partial onset seizures) which include, for example: Clonic, tonic and clonic-tonic seizures (note that partial onset seizures that become secondarily generalized are not exclusionary); Absence seizures; Infantile spasms; Myoclonic, myoclonic atonic, myoclonic tonic seizures.
- Lennox Gastaut syndrome, Benign Epilepsy with Centrotemporal Spikes (BECTS) and Dravet syndrome.
- A current diagnosis of febrile seizures, or seizures related to an ongoing acute medical illness. Any febrile seizures within 1 year of screening.
- Status epilepticus within 1 year prior to screening.
- Seizures related to drugs, alcohol, or acute medical illness.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Pregabalin add-on therapySubjects will be randomized to receive a fixed dose of either placebo, pregabalin Level 1 (maximum 150 mg/day) or pregabalin Level 2 (maximum 600 mg/day) in a 1:1:1 ratio, in addition to the subjects current AED medication regimen. Either capsules or oral liquid form will be administered, depending on subjects preference and ability to swallow capsules, in two equally divided daily doses. The study will have an 8 week baseline period; a 2 week dose escalation period; a 9 week dose maintenance period; and a 1 week dose taper period. | Drug | Placebo |
| Pregabalin add-on therapySubjects will be randomized to receive a fixed dose of either placebo, pregabalin Level 1 (maximum 150 mg/day) or pregabalin Level 2 (maximum 600 mg/day) in a 1:1:1 ratio, in addition to the subjects current AED medication regimen. Either capsules or oral liquid form will be administered, depending on subjects preference and ability to swallow capsules, in two equally divided daily doses. The study will have an 8 week baseline period; a 2 week dose escalation period; a 9 week dose maintenance period; and a 1 week dose taper period. | Drug | Pregabalin Level 1 (max 150 mg/day) |
| Pregabalin add-on therapySubjects will be randomized to receive a fixed dose of either placebo, pregabalin Level 1 (maximum 150 mg/day) or pregabalin Level 2 (maximum 600 mg/day) in a 1:1:1 ratio, in addition to the subjects current AED medication regimen. Either capsules or oral liquid form will be administered, depending on subjects preference and ability to swallow capsules, in two equally divided daily doses. The study will have an 8 week baseline period; a 2 week dose escalation period; a 9 week dose maintenance period; and a 1 week dose taper period. | Drug | Pregabalin Level 2 (max 600 mg day) |
Primary outcome
Log-Transformed 28-Day Seizure Rate For All Partial Onset Seizures During Baseline Phase
Time frame: Baseline phase (up to 8 weeks prior to treatment phase [Day 1])
All partial onset seizures experienced during baseline phase were recorded by the participants or their parents/legal guardian, in a daily seizure diary. 28-day seizure rate for all partial onset seizures = ([number of seizures in the baseline phase] divided by [number of days in baseline phase minus {-} number of missing diary days in baseline phase])*28. For log-transformation, the quantity 1 was added to the 28-day seizure rate for all participants to account for any possible "0" seizure incidence. This resulted in final calculation as: log transformed (28-day seizure rate +1).
Log-Transformed 28-Day Seizure Rate For All Partial Onset Seizures During 12-Week Treatment Phase
Time frame: Day 1 up to Week 12
All partial onset seizures experienced during treatment phase were recorded by the participants or their parents/legal guardian in a daily seizure diary. 28-day seizure rate for all partial onset seizures = ([number of seizures in the treatment phase] divided by [number of days in treatment phase minus {-} number of missing diary days in treatment phase])*28. For log-transformation, the quantity 1 was added to the 28-day seizure rate for all participants to account for any possible "0" seizure incidence. This resulted in final calculation as: log transformed (28-day seizure rate +1).
1 secondary outcome
Percentage of Participants With at Least 50 Percent (%) or Greater Reduction From Baseline in 28-day Seizure Rate During the 12 Week Treatment Phase
Time frame: Day 1 up to Week 12
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 20 Jan 2021.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 30688135Antinew J, Pitrosky B, Knapp L, Almas M, Pitman V, Liu J, Craiu D, Modequillo M, Nordli D, Farkas V, Farkas MK. Pregabalin as Adjunctive Treatment for Focal Onset Seizures in Pediatric Patients: A Randomized Controlled Trial. J Child Neurol. 2019 Apr;34(5):248-255. doi: 10.1177/0883073818821035. Epub 2019 Jan 27.
- To obtain contact information for a study center near you, click here.Link provided by the sponsor.
- Individual participant dataSharing planned: Yes. Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical_trials/trial_data_and_results/data_requests.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Pfizer CT.gov Call Center study director
Pfizer
86 sites in 18 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Pregabalin add-on therapy in people with Epilepsy, Partial Seizures, run by Pfizer's Upjohn has merged with Mylan to form Viatris Inc. at 86 sites in 18 countries.
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 20 Jan 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 86 sites in United States, Ukraine, Philippines, Hungary, Turkey (Türkiye) and 13 more countries. 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. Some participants in this study may receive a placebo. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
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 21 Mar 2017). 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?
Log-Transformed 28-Day Seizure Rate For All Partial Onset Seizures During Baseline Phase (time frame: Baseline phase (up to 8 weeks prior to treatment phase [Day 1])). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01389596, which also lists 1 linked publication.
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 20 Jan 2021.