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NCT03694275 · ClinicalTrials.gov registry record · Phase 2

A Multicenter, Open-label, Pilot Study of Soticlestat (TAK-935/OV935) in Participants With 15Q Duplication Syndrome (Dup 15q) or Cyclin-Dependent Kinase-Like 5 (CDKL5) Deficiency Disorder (ARCADE STUDY)

A Phase 2 study, sponsored by Takeda.

Completed
Registry status
Phase 2
Development phase
20
Enrollment target

NCT03694275: Completed Phase 2 study, sponsored by Takeda.

NCT03694275 is a Phase 2 study that has completed, run by Takeda. The registered enrollment target is 20 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (85% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03694275, a Phase 2 study, has completed, sponsored by Takeda.

COMPLETED
Registry status
Phase 2
Development phase
20 participants
Enrollment target

Study Summary

The purpose of this study is to investigate the effect of soticlestat on the frequency of motor seizures for participants with Dup15q or CDD during the Maintenance Period.

Primary Outcome

Seizure frequency per 28 days is defined as total number of Seizures reported during the period divided by number of days with no missing seizure count during the period multiplied by 28. Percent Change from Baseline is defined as (frequency of seizures per 28 days during maintenance period - frequency of seizures per 28 days at Baseline) divided by frequency of seizures per 28 days at Baseline multiplied by 100. Positive percent change from Baseline indicates seizure increase and negative perce

Interventions

  • DRUG Soticlestat

Trial Details

FieldValue
Enrollment Target 20 participants
Start Date 2018-09-10
Est. Completion 2020-07-31
Phase Phase 2
Takeda

408 total trials

What the finished NCT03694275 record still lists

NCT03694275 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 20 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (85% lower).

The record links to 0 conditions, and to 1 intervention - of which Soticlestat is the first listed.

NCT03694275 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03694275 about?

NCT03694275 is a clinical study titled "A Multicenter, Open-label, Pilot Study of Soticlestat (TAK-935/OV935) in Participants With 15Q Duplication Syndrome (Dup 15q) or Cyclin-Dependent Kinase-Like 5 (CDKL5) Deficiency Disorder (ARCADE STUDY)". The purpose of this study is to investigate the effect of soticlestat on the frequency of motor seizures for participants with Dup15q or CDD during the Maintenance Period.

What is the current status of trial NCT03694275?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 20 participants. The study started on 2018-09-10. Estimated completion is 2020-07-31.

What interventions are being tested in trial NCT03694275?

The interventions under investigation include: Soticlestat (DRUG).

Who is sponsoring clinical trial NCT03694275?

This trial is sponsored by Takeda, which has 408 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03694275's enrollment target sits among peer trials

20 1805th of 2000 higher than 107 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03694275, the US trial registry maintained by the National Library of Medicine. NCT03694275 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.