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NCT03166215 · ClinicalTrials.gov registry record · Phase 1

Study of TAK-935 as an Adjunctive Therapy in Participants With Developmental and/or Epileptic Encephalopathies

A Phase 1 study, sponsored by Takeda.

Completed
Registry status
Phase 1
Development phase
18
Enrollment target

NCT03166215: Completed Phase 1 study, sponsored by Takeda.

NCT03166215 is a Phase 1 study that has completed, run by Takeda. The registered enrollment target is 18 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (70% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03166215, a Phase 1 study, has completed, sponsored by Takeda.

COMPLETED
Registry status
Phase 1
Development phase
18 participants
Enrollment target

Study Summary

The purpose of this study is to characterize the multiple-dose safety and tolerability profile of TAK-935 in adult participants with developmental and/or epileptic encephalopathies.

Primary Outcome

An Adverse Event (AE) is defined as any untoward medical occurrence in a clinical investigation participant administered a drug; it does not necessarily have to have a causal relationship with this treatment. An AE can therefore be any unfavorable and unintended sign (eg, a clinically significant abnormal laboratory finding), symptom, or disease temporally associated with the use of a drug, whether or not it is considered related to the drug. A treatment-emergent adverse event (TEAE) is defined

Interventions

  • DRUG Placebo
  • DRUG TAK-935

Trial Details

FieldValue
Enrollment Target 18 participants
Start Date 2017-08-17
Est. Completion 2018-09-19
Phase Phase 1
Takeda

408 total trials

What the finished NCT03166215 record still lists

NCT03166215 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 18 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (70% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT03166215 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03166215 about?

NCT03166215 is a clinical study titled "Study of TAK-935 as an Adjunctive Therapy in Participants With Developmental and/or Epileptic Encephalopathies". The purpose of this study is to characterize the multiple-dose safety and tolerability profile of TAK-935 in adult participants with developmental and/or epileptic encephalopathies.

What is the current status of trial NCT03166215?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 18 participants. The study started on 2017-08-17. Estimated completion is 2018-09-19.

What interventions are being tested in trial NCT03166215?

The interventions under investigation include: Placebo (DRUG), TAK-935 (DRUG).

Who is sponsoring clinical trial NCT03166215?

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

How this trial's enrollment target compares

Where NCT03166215's enrollment target sits among peer trials

18 1720th of 2000 higher than 216 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 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 NCT03166215, the US trial registry maintained by the National Library of Medicine. NCT03166215 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.