Study to Evaluate the Safety and Effectiveness of USL255 in Patients With Refractory Partial-onset Seizures
A Randomized, Multicenter, Double-blind, Placebo-controlled, Parallel-group Phase 3 Study to Evaluate the Efficacy and Safety of USL255 as Adjunctive Therapy in Patients With Refractory Partial-Onset Seizures
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 3
Kontakter og lokationer
Studiesteder
-
-
-
Buenos Aires, Argentina
-
Cordoba, Argentina
-
Guaymallen, Argentina
-
Salta, Argentina
-
-
-
-
-
Bedford Park, Australien
-
Clayton, Australien
-
Fitzory, Australien
-
Heidelberg West, Australien
-
Parkville, Australien
-
Randwick, Australien
-
Woodville, Australien
-
-
-
-
-
Brugge, Belgien
-
Duffel, Belgien
-
Leuven, Belgien
-
-
-
-
-
Greenfield Park, Canada
-
-
-
-
-
Santiago, Chile
-
Valdivia, Chile
-
-
-
-
-
Kazan, Den Russiske Føderation
-
Moscow, Den Russiske Føderation
-
Samara, Den Russiske Føderation
-
St. Petersburg, Den Russiske Føderation
-
Tyumen, Den Russiske Føderation
-
Yaroslavi, Den Russiske Føderation
-
-
-
-
Arizona
-
Phoenix, Arizona, Forenede Stater
-
-
California
-
Ventura, California, Forenede Stater
-
-
Florida
-
Gainesville, Florida, Forenede Stater
-
Gulf Breeze, Florida, Forenede Stater
-
Jacksonville, Florida, Forenede Stater
-
Pensacola, Florida, Forenede Stater
-
Port Charlotte, Florida, Forenede Stater
-
-
Idaho
-
Boise, Idaho, Forenede Stater
-
-
Kentucky
-
Lexington, Kentucky, Forenede Stater
-
-
Maryland
-
Waldorf, Maryland, Forenede Stater
-
-
Missouri
-
Chesterfield, Missouri, Forenede Stater
-
St. Louis, Missouri, Forenede Stater
-
-
New Jersey
-
New Brunswick, New Jersey, Forenede Stater
-
-
New York
-
New York, New York, Forenede Stater
-
-
North Carolina
-
Charlotte, North Carolina, Forenede Stater
-
-
Ohio
-
Toledo, Ohio, Forenede Stater
-
-
Texas
-
Dallas, Texas, Forenede Stater
-
Temple, Texas, Forenede Stater
-
-
Wisconsin
-
Milwaukee, Wisconsin, Forenede Stater
-
-
-
-
-
Athens, Grækenland
-
Thessaloniki, Grækenland
-
-
-
-
-
Bangalore, Indien
-
Dehradun, Indien
-
Hyderabad, Indien
-
Mangalore, Indien
-
New Delhi, Indien
-
-
-
-
-
Ashkelon, Israel
-
Haifa, Israel
-
Holon, Israel
-
Nahariya, Israel
-
Petach Tikva, Israel
-
Ramat Gan, Israel
-
-
-
-
-
Auckland, New Zealand
-
-
-
-
-
Gdansk, Polen
-
Krakow, Polen
-
Lodz, Polen
-
Lublin, Polen
-
Warszawa, Polen
-
-
-
-
-
Badalona, Spanien
-
Baracaldo, Spanien
-
Granada, Spanien
-
Madrid, Spanien
-
-
-
-
-
Cape Town, Sydafrika
-
-
-
-
-
Bonn, Tyskland
-
Munchen, Tyskland
-
-
-
-
-
Budapest, Ungarn
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Subject has a confirmed diagnosis of partial-onset seizures with or without secondary generalization for at least 12 months prior to Visit 1.
- Currently on a stable dosing regimen of 1 to 3 AEDs for at least 4-weeks prior to Visit 1 (12 weeks for phenobarbital and primidone).
- Have a minimum of 8 partial-onset seizures and no more than 21 consecutive seizure free days, during the 8-week baseline.
Exclusion Criteria:
- Have a history of seizure episodes lasting less than 30 minutes in which several seizures occur with such frequency that the initiation and completion of each individual seizure cannot be distinguished, within 3 months prior to Visit 1.
- Have a history of pseudoseizures, or status epilepticus, within 3 months prior to Visit 1.
- Have a history of metabolic acidosis, nephrolithiasis, ureterolithiasis, or narrow angle glaucoma.
- Have a history of suicidal attempts, suicidal ideation, or uncontrolled psychiatric illness within 2 years of Visit 1.
- Currently taking, or have taken felbamate within the past 18 months, or have taken vigabatrin in the past.
- Have taken topiramate within the past 6 months.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Dobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Placebo komparator: Placebo
|
|
|
Eksperimentel: USL255
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Percent Reduction From Baseline in Weekly (7 Day) Partial-onset Seizure Frequency During the Titration Plus Maintenance Phase Compared to Baseline.
Tidsramme: 11 weeks
|
11 weeks
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Proportion of Subjects With ≥50% Reduction (Responder Rate) in Weekly (7 Day) Partial-onset Seizure Frequency During the Titration Plus Maintenance Phase Compared to Baseline.
Tidsramme: 11 weeks
|
11 weeks
|
|
Proportion of Subjects With ≥50% Reduction (Responder Rate) in Weekly (7 Day) Partial-onset Seizure Frequency During the Titration Phase Compared to Baseline.
Tidsramme: 3 weeks (weeks 1-3)
|
3 weeks (weeks 1-3)
|
|
Percent Reductions From Baseline in Weekly (7 Day) Partial-onset Seizure Frequency During the Titration Phase Compared to Baseline.
Tidsramme: 3 weeks (weeks 1-3)
|
3 weeks (weeks 1-3)
|
|
Percent Reduction From Baseline in Weekly (7 Day) All Seizure Frequency During the Titration Plus Maintenance Phase.
Tidsramme: 11 weeks
|
11 weeks
|
|
Proportion of Subjects With ≥25%, ≥75%, and 100% Reduction in Weekly (7 Day) Partial-onset Seizure Frequency During the Titration Phases Compared to Baseline.
Tidsramme: 3 weeks (weeks 1-3)
|
3 weeks (weeks 1-3)
|
|
Proportion of Subjects With ≥25%, ≥75%, and 100% Reduction in Weekly (7 Day) Partial-onset Seizure Frequency During the Titration Plus Maintenance Phase Compared to Baseline.
Tidsramme: 11 weeks
|
11 weeks
|
|
Proportion of Subjects With ≥25%, ≥75%, and 100% Reduction in Weekly (7 Day) Partial-onset Seizure Frequency During the Maintenance Phase Compared to Baseline.
Tidsramme: 8 weeks (weeks 4-11)
|
8 weeks (weeks 4-11)
|
|
Percent Reduction From Baseline in Weekly (7 Day) Partial-onset Seizure Frequency During the Maintenance Phase Compared to Baseline.
Tidsramme: 8 weeks (weeks 4-11)
|
8 weeks (weeks 4-11)
|
|
Proportion of Subjects ≥50% Reduction (Responder Rate) in Weekly (7 Day) Partial-onset Seizure Frequency During the Maintenance Phase Compared to Baseline.
Tidsramme: 8 weeks (weeks 4-11)
|
8 weeks (weeks 4-11)
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Publikationer og nyttige links
Generelle publikationer
- Hogan RE, Blatt I, Lawson B, Nagaraddi V, Fakhoury TA, Anders B, Clark AM, Laine D, Halvorsen MB, Chung SS. Efficacy of once-daily extended-release topiramate (USL255): a subgroup analysis based on the level of treatment resistance. Epilepsy Behav. 2014 Dec;41:136-9. doi: 10.1016/j.yebeh.2014.09.061. Epub 2014 Oct 21.
- Chung SS, Fakhoury TA, Hogan RE, Nagaraddi VN, Blatt I, Lawson B, Arnold S, Anders B, Clark AM, Laine D, Meadows RS, Halvorsen MB; PREVAIL Study Group. Once-daily USL255 as adjunctive treatment of partial-onset seizures: randomized phase III study. Epilepsia. 2014 Jul;55(7):1077-87. doi: 10.1111/epi.12660. Epub 2014 Jun 5.
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- P09-004
- 2009-016996-31 (EudraCT nummer)
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .