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ClinicalTrials.gov public records Last synced May 21, 2026, 7:18 PM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dup15Q Syndrome Clear all
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Dup15q Syndrome
Interventions
Basmisanil, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
2 Years to 14 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Los Angeles, California • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced May 21, 2026, 7:18 PM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Angelman Syndrome, Chromosome 15q Duplication (dup15q) Syndrome
Interventions
Lumbar Puncture, Blood Collection
Procedure
Lead sponsor
Biogen
Industry
Eligibility
Up to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
5
States / cities
San Diego, California • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2022 · Synced May 21, 2026, 7:18 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced May 21, 2026, 7:18 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced May 21, 2026, 7:18 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Fragile X Syndrome, Angelman Syndrome, Prader-Willi Syndrome, Dup15Q Syndrome, Duchenne Muscular Dystrophy, Phelan-McDermid Syndrome, Rett Syndrome, Smith Magenis Syndrome, Williams Syndrome, Turner Syndrome, Klinefelter Syndrome, Chromosome 22q11.2 Deletion Syndrome, Tuberous Sclerosis, Down Syndrome
Interventions
Parent-Infant Inter(X)action Intervention (PIXI)
Behavioral
Lead sponsor
RTI International
Other
Eligibility
Up to 99 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced May 21, 2026, 7:18 PM EDT