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

NCT06908226 on ClinicalTrials.gov

Study listings come from ClinicalTrials.gov, where sponsors register and update their own studies. A listing does not mean a study is safe or effective, and DatenUS does not recommend any study. Talk with your doctor before joining a clinical trial, and use ClinicalTrials.gov for contact details and full eligibility rules.

Status
Enrolling by invitation
Phase
Phase 3
Interventional
Planned enrollment
324
Participants, all sites
U.S. sites
21
In 13 states

Study details

Conditions
Developmental and Epileptic Encephalopathy
Sponsor
Longboard Pharmaceuticals (Industry)
Ages
2 to 66 years
Sex
All
Healthy volunteers
Not accepted
Start
02/12/2025
Primary completion (expected)
11/11/2027
Last updated by sponsor
10/14/2026

Full eligibility rules, contacts and site names: NCT06908226 on ClinicalTrials.gov

Where the study has sites

Cities with at least one listed U.S. site. Some sites may not be enrolling yet.

  • Arkansas: Little Rock
  • California: Los Angeles, Palo Alto, San Francisco
  • Colorado: Aurora
  • Florida: Tampa (2), Gulf Breeze, Miami, Orlando
  • Idaho: Boise
  • Iowa: Iowa City
  • Maryland: Bethesda
  • Massachusetts: Boston
  • Minnesota: Rochester
  • New Jersey: Livingston, Morristown
  • New York: New York
  • Oregon: Portland
  • Texas: Austin, Houston

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Frequently asked questions

What does recruiting mean?
Recruiting means the study is currently enrolling participants. Not yet recruiting means it has been registered but has not started enrolling. Enrolling by invitation means participants are selected by the study team rather than through open enrollment.
How do I join a clinical trial?
Read the full eligibility criteria and contact information on ClinicalTrials.gov, then talk with your doctor about whether a study may be right for you. The study team decides who can enroll.

Source: ClinicalTrials.gov, National Library of Medicine · Last updated 10/14/2026