Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 6, 2026, 5:46 AM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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Conditions
Dravet Syndrome, Lennox Gastaut Syndrome, Developmental and Epileptic Encephalopathies
Interventions
LP352
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
2 Years to 65 Years
U.S. locations
19
States / cities
Downey, California • Los Angeles, California • San Francisco, California + 15 more
Conditions
Developmental and Epileptic Encephalopathy
Interventions
LP352, Placebo
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
2 Years to 65 Years
Enrollment
367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
31
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 23 more
Conditions
Dravet Syndrome
Interventions
LP352, Placebo
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
2 Years to 65 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
25
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 20 more
Conditions
Developmental and Epileptic Encephalopathy, Dravet Syndrome, Lennox-Gastaut Syndrome
Interventions
LP352, bexicaserin
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
12 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
25
States / cities
Little Rock, Arkansas • Downey, California • San Francisco, California + 20 more
Conditions
Developmental and Epileptic Encephalopathy, Dravet Syndrome, Lennox Gastaut Syndrome
Interventions
LP352, Placebo
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
12 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
29
States / cities
Tucson, Arizona • Little Rock, Arkansas • Downey, California + 24 more
Conditions
Developmental and Epileptic Encephalopathy
Interventions
LP352
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
2 Years to 66 Years
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 16 more