Open-label, Long-term Safety Study of LP352 in Subjects With Developmental and Epileptic Encephalopathy
Public ClinicalTrials.gov record NCT05626634. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2, Multicenter, Open-label, Long-term Safety Study of LP352 in Subjects With Developmental and Epileptic Encephalopathy Who Completed Study LP352-201 and Are Candidates for Continuous Treatment for Up to 52 Weeks
Study identification
- NCT ID
- NCT05626634
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Longboard Pharmaceuticals
- Industry
- Enrollment
- 41 participants
Conditions and interventions
Interventions
- LP352, bexicaserin Drug
Drug
Eligibility (public fields only)
- Age range
- 12 Years to 65 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 7, 2022
- Primary completion
- Dec 19, 2024
- Completion
- Dec 19, 2024
- Last update posted
- Dec 2, 2025
2022 – 2024
United States locations
- U.S. sites
- 25
- U.S. states
- 16
- U.S. cities
- 23
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Arkansas Children's Hospital | Little Rock | Arkansas | 72202 | — |
| Rancho Los Amigos National Rehabilitation Center (RLANRC) | Downey | California | 90242 | — |
| University of California San Francisco | San Francisco | California | 94158 | — |
| Northwest Florida Clinical Research Group | Gulf Breeze | Florida | 32561 | — |
| University of Miami | Miami | Florida | 33136 | — |
| Advent Health Orlando | Orlando | Florida | 32803 | — |
| Research Institute of Orlando | Orlando | Florida | 32806 | — |
| University of South Florida | Tampa | Florida | 33606 | — |
| Hawaii Pacific Neuroscience | Honolulu | Hawaii | 96817 | — |
| Northwestern University Feinberg School of Medicine | Chicago | Illinois | 60611 | — |
| Mid-Atlantic Epilepsy and Sleep Center | Bethesda | Maryland | 20817 | — |
| Spectrum Health | Grand Rapids | Michigan | 49503 | — |
| Mayo Clinic | Rochester | Minnesota | 55905 | — |
| Washington University School of Medicine | St Louis | Missouri | 63110 | — |
| Boston Children's Health Physicians LLP | Hawthorne | New York | 10532 | — |
| Northwell Health | New York | New York | 10075 | — |
| Northeast Regional Epilepsy Group | Staten Island | New York | 10305 | — |
| OnSite Clinical Solutions LLC | Charlotte | North Carolina | 98277 | — |
| Wake Forest University School of Medicine | Winston-Salem | North Carolina | 27157 | — |
| University Hospitals Cleveland Medical Center | Cleveland | Ohio | 44106 | — |
| Providence Neurological Specialties-East | Portland | Oregon | 97213 | — |
| Child Neurology Consultants of Austin | Austin | Texas | 78757 | — |
| Austin Epilepsy Care Center | Austin | Texas | 78758 | — |
| University of Utah | Salt Lake City | Utah | 84132 | — |
| University of Washington Valley Medical Center | Renton | Washington | 98055 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 3 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05626634, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 2, 2025 · Synced May 19, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05626634 live on ClinicalTrials.gov.