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ClinicalTrials.gov public records Last synced May 21, 2026, 11:06 PM EDT

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: CDKL5 Deficiency Disorder (CDD) Clear all
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
CDKL5 Deficiency Disorder
Interventions
ganaxolone, Placebo
Drug
Lead sponsor
Marinus Pharmaceuticals
Industry
Eligibility
2 Years to 21 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
17
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced May 21, 2026, 11:06 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
CDKL5, CDKL5 Deficiency Disorder, CDD
Interventions
No intervention.
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
8
States / cities
Los Angeles, California • Aurora, Colorado • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced May 21, 2026, 11:06 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, 11:06 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
CDD
Interventions
Fenfluramine Hydrochloride
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
2 Years to 18 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced May 21, 2026, 11:06 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Cyclin-Dependent Kinase-Like 5 Deficiency Disorder
Interventions
No intervention; observational
Other
Lead sponsor
Loulou Foundation
Other
Eligibility
Up to 55 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
9
States / cities
Los Angeles, California • Aurora, Colorado • Norcross, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced May 21, 2026, 11:06 PM EDT
Suspended No phase listed Observational
View directory record Official record
Conditions
CDKL5 Deficiency Disorder (CDD)
Interventions
Survey Instrument
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
500 participants
Timeline
2018 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced May 21, 2026, 11:06 PM EDT
Active, not recruiting Phase 3 Interventional
View directory record Official record
Conditions
CDKL5 Deficiency Disorder, Generalized Tonic Clonic Seizure, Epileptic Spasm, Refractory Seizures
Interventions
Fenfluramine, Placebo
Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
1 Year to 35 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
13
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced May 21, 2026, 11:06 PM EDT