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Active, not recruiting Phase 3 Interventional

A Study to Investigate LP352 in Children and Adults With Developmental and Epileptic Encephalopathies (DEE)

ClinicalTrials.gov ID: NCT06719141

Public ClinicalTrials.gov record NCT06719141. 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.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 4:16 PM EDT

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 3, Randomized, Double-Blind, Placebo-Controlled, Multicenter Study to Investigate the Efficacy, Safety, and Tolerability of LP352 in the Treatment of Seizures in Children and Adults With Developmental and Epileptic Encephalopathies

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This (DEEp OCEAN Study) is a double-blind, randomized, placebo-controlled, multicenter study to investigate the efficacy, safety, and tolerability of LP352 in the treatment of seizures in children and adults with DEE. The study consists of 3 main phases: Screening, Titration period, Maintenance period, followed by a Taper period and Follow-Up. The total duration of the study will be approximately 24 months.

Study identification

NCT ID
NCT06719141
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Longboard Pharmaceuticals
Industry
Enrollment
367 participants

Conditions and interventions

Eligibility (public fields only)

Age range
2 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 10, 2024
Primary completion
Oct 30, 2026
Completion
Nov 29, 2026
Last update posted
Aug 11, 2026

2024 – 2026

United States locations

U.S. sites
31
U.S. states
18
U.S. cities
26
Facility City State ZIP Site status
Arkansas Children's Hospital - Cardiology Clinic Little Rock Arkansas 72202-3500
Children's Hospital Los Angeles - PIN Los Angeles California 90027-6062
David Geffen School of Medicine at UCLA Los Angeles California 90095
The Stanford Division of Child Neurology Palo Alto California 94304-1510
UCSF Benioff Children's Hospitals - San Francisco San Francisco California 94158
Children's Hospital Colorado. Aurora Colorado 80045-7106
Children's National Medical Center Washington D.C. District of Columbia 20010-2916
NW FL Clinical Research Group, LLC Gulf Breeze Florida 32561-4495
University of Miami - 1120 NW 14th St Miami Florida 33136-2107
Nicklaus Children's Hospital - PIN Miami Florida 33155-3009
Research Institute of Orlando LLC Orlando Florida 32806
University of South Florida - 2 Tampa General Circle Tampa Florida 33606
Pediatric Epilepsy and Neurology Specialists Tampa Florida 33609-4190
Children's Healthcare of Atlanta - Center for Advanced Pediatrics - PIN Atlanta Georgia 30329
Rare Disease Research, LLC - Atlanta - RDR - PIN Atlanta Georgia 30329
Consultants In Epilepsy and Neurology PLLC Boise Idaho 83702-5029
Northwestern Memorial Hospital Chicago Illinois 60611-2908
Ann and Robert H Lurie Childrens Hospital of Chicago - PIN Chicago Illinois 60611
University of Iowa Hospitals & Clinics - (CRS) Iowa City Iowa 52242-1009
Mid-Atlantic Epilepsy and Sleep Center - Bethesda Bethesda Maryland 20817-1844
Massachusetts General Hospital - 175 Cambridge St Boston Massachusetts 02114
Mayo Clinic Children's - PIN Rochester Minnesota 55905-0001
Institute of Neurology and Neurosurgery at Saint Barnabas, LLC Livingston New Jersey 07039-5817
Northeast Regional Epilepsy Group - Morristown - 310 Madison Ave Morristown New Jersey 07960
NYU Langone Health-NYU Comprehensive Epilepsy Center New York New York 10016-4852
Oregon Health & Science University - Blood Brain Barrier and Neuro-Oncology Program Portland Oregon 97239-3098
Le Bonheur Childrens Outpatient Center - PIN Memphis Tennessee 38103-2816
Child Neurology Consultants of Austin - 6811 Austin Center Blvd Austin Texas 78731-3157
Cook Children's Jane and John Justin Neurosciences Center - PIN Fort Worth Texas 76104
The University of Texas Medical School at Houston - UT Gastroenterology Houston Texas 77030-1517
Multicare Health System - Mary Bridge Pediatrics Tacoma Washington 98405-4048

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 85 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT06719141, 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 Aug 11, 2026 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT06719141 live on ClinicalTrials.gov.

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