Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 5, 2026, 12:44 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Developmental and/or Epileptic Encephalopathies
Interventions
TAK-935, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
11
States / cities
Phoenix, Arizona • Port Charlotte, Florida • Tampa, Florida + 8 more
Conditions
Epilepsy, Dravet Syndrome (DS), Lennox-Gastaut Syndrome (LGS)
Interventions
Soticlestat
Drug
Lead sponsor
Takeda
Industry
Eligibility
2 Years and older
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
27
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 18 more
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of Soticlestat Tablets in Healthy Adults

NCT05284760
Conditions
Healthy Volunteers
Interventions
Soticlestat
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Lennox Gastaut Syndrome (LGS)
Interventions
Placebo, Soticlestat
Drug
Lead sponsor
Takeda
Industry
Eligibility
2 Years to 55 Years
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
24
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 17 more
Conditions
Epilepsy, Dravet Syndrome, Lennox-Gastaut Syndrome
Interventions
TAK-935, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
2 Years to 17 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
15
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 12 more
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of Soticlestat With Itraconazole and Mefenamic Acid in Healthy Adults

NCT05064449
Conditions
Healthy Volunteers
Interventions
Soticlestat, Itraconazole, Mefenamic acid
Drug
Lead sponsor
Takeda
Industry
Eligibility
19 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
15q Duplication Syndrome, CDKL5 Deficiency Disease
Interventions
Soticlestat
Drug
Lead sponsor
Takeda
Industry
Eligibility
2 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
8
States / cities
Los Angeles, California • Aurora, Colorado • Norcross, Georgia + 3 more
Conditions
Dravet Syndrome (DS)
Interventions
Soticlestat, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
2 Years to 21 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
10
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 7 more
Conditions
Hepatic Impairment, Healthy Volunteers
Interventions
Soticlestat
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
5
States / cities
Edgewater, Florida • Miami, Florida • Orlando, Florida + 2 more
Conditions
Healthy Volunteers
Interventions
TAK-935 Oral Tablet, [14C]TAK-935 IV Infusion, [14C]TAK-935 Oral Solution
Drug
Lead sponsor
Takeda
Industry
Eligibility
19 Years to 55 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
Healthy Volunteers
Interventions
TAK-935 Tablets, TAK-935 Oral Solution
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Glendale, California
Conditions
Dravet Syndrome (DS), Lennox Gastaut Syndrome (LGS)
Interventions
Soticlestat
Drug
Lead sponsor
Takeda
Industry
Eligibility
2 Years to 56 Years
Enrollment
352 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
26
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 19 more