Cenobamate Open-Label Extension Study for YKP3089C025
Completed · Phase 3 · NCT03961568
Conditions: Primary Generalized Tonic Clonic Seizures in the Setting of Idiopathic Generalized Epilepsy
At a glance
- Research payments reported, 2025
- $576,382
- U.S. investigators named
- 22
- Sites paid
- 24
- Planned or actual enrollment
- 147
About the trial
- Sponsor
- SK Life Science, Inc.
- Tested
- Cenobamate (drug)
- Dates
- Started 2019-08-13; completion 2026-06-10
- Results posted
- Not yet
52 Week Open-Label Safety Study of Cenobamate for Subjects who Complete YKP3089C025 (core study)
From ClinicalTrials.gov, last updated 2026-06-26. Full record, eligibility and contacts (opens in a new tab)
Industry funding
Sk Life Science, Inc. reported $576,382 in research payments for this study in 2025 (116 payments).
Products named: Xcopri
Research payments usually go to hospitals, universities and research sites to run a study, not to the investigators personally. A payment is not evidence of wrongdoing.
U.S. investigators named on this study
- Angus Wilfong, MD Child Neurology · Phoenix, AZ
- Perminder Bhatia, MD Neurology · Fresno, CA
- David Lee, M.D. Neurology · La Jolla, CA
- Kelly Knupp, MD Neurology · Aurora, CO
- Selim R. Benbadis, MD Neurology · Tampa, FL
- Julio R. Flamini, M.D. Neurology · Atlanta, GA
- Bryan Philbrook, MD Neurology · Atlanta, GA
- Kore K. Liow, MD Neurology · Honolulu, HI
- Robert T. Wechsler, MD, PHD, FAAN Neurology · Boise, ID
- Heidi L. Henninger, MD Neurology · Scarborough, ME
- Joanne B. Rogin, M.D. Neurology · Golden Valley, MN
- Lily C. Wong-kisiel, M.D. Neurology · Rochester, MN
- Zhao Liu, M.D. Child Neurology · Columbia, MO
- Muhammad S. Zafar, M.D. Neurology · Durham, NC
- Carlos Lastra, M.D. Child Neurology · New Brunswick, NJ
- Eric B. Segal, M.D. Child Neurology · N White Plains, NY
- Michael R. Sperling, M.D. Neurology · Philadelphia, PA
- James Wheless, MD Child Neurology · Memphis, TN
- Charuta N. Joshi, MBBS, MD Pediatrics · Dallas, TX
- Karen C. Keough, MD Neurology · Austin, TX
- Matthew T. Sweney, M.D. Child Neurology · Salt Lake City, UT
- David G. Vossler, MD Neurology · Renton, WA
Clinicians the company named as principal investigators in its Open Payments reports.
Sites paid to run it
- Mayo Clinic Rochester $172,022
- Duke University $135,348
- University of South Florida $53,195
- Childrens Healthcare of Atlanta Inc $36,100
- Epilepsy & Neurophysiology $31,650
- University of Utah Hospital and Clinics, UT $24,623
- Phoenix Children's Hospital, AZ $19,500
- Saint Peter's University Hospital, NJ $17,975
- Consultants in Epilepsy & Neurology PLLC $12,874
- The University of Texas Southwestermedical Center $12,708
- Children's Hospital Colorado, CO $10,004
- Mid-Atlantic Epilepsy And $9,892
- Hawaii PAcific Neuroscience $8,034
- Le Bonheur Children's Hospital Foundation $6,358
- Mainehealth Maine Medical Center, ME $5,899
- Clinical Integrative Research Center of Atlanta $3,272
- The Regents of the University of California, Ucsd $3,014
- Minneapolis Clinic of Neurology $2,768
- Hospital of Univ of Pennsylvania, PA $2,705
- Valley Medical Center, WA $2,672
- Thomas Jefferson University $1,945
- Neuropain Medical Center Inc. $1,850
- University of Missouri Health Care, MO $1,223
- Pediatrix Management Services Inc $750
Sources: CMS Open Payments research payments (program year 2025) and ClinicalTrials.gov, U.S. National Library of Medicine.