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NCT01774747 · ClinicalTrials.gov registry record · Phase 1

A Multiple Ascending Oral Dose Evaluation of the Safety, Tolerability, and Pharmacokinetics of DSP-1053 and Its Metabolites in Healthy Subjects and in Subjects With Major Depressive Disorder

A Phase 1 study, sponsored by Sumitomo Pharma America.

Terminated
Registry status
Phase 1
Development phase
47
Enrollment target

NCT01774747: Clinical Trial Phase 1 study, sponsored by Sumitomo Pharma America.

NCT01774747 is a Phase 1 study that was terminated before completion, run by Sumitomo Pharma America. The registered enrollment target is 47 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (22% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01774747, a Phase 1 study, was terminated before completion, sponsored by Sumitomo Pharma America.

TERMINATED
Registry status
Phase 1
Development phase
47 participants
Enrollment target

Study Summary

Double-blind, placebo-controlled, multiple ascending oral dose evaluation of the safety, tolerability, and pharmacokinetics of DSP 1053 and its metabolites in healthy subjects and in subjects with major depressive disorder

Primary Outcome

* At least 50% of subjects within a cohort at dose level experience multiple moderate drug related adverse events or one severe drug-related adverse event * one drug related serious adverse event within a cohort at dose level * seizure of any severity or seriousness is observed in a subject who received DSP-1053 * Mean plasma DSR\_22898 Cmax greater or equal to 32ng/ml for a cohort

Interventions

  • DRUG Placebo
  • DRUG DSP-1053

Trial Details

FieldValue
Enrollment Target 47 participants
Start Date 2012-12
Est. Completion 2014-04
Phase Phase 1
Sumitomo Pharma America

168 total trials

Why NCT01774747 stopped before completion

NCT01774747 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 47 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (22% lower).

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

NCT01774747 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01774747 about?

NCT01774747 is a clinical study titled "A Multiple Ascending Oral Dose Evaluation of the Safety, Tolerability, and Pharmacokinetics of DSP-1053 and Its Metabolites in Healthy Subjects and in Subjects With Major Depressive Disorder". Double-blind, placebo-controlled, multiple ascending oral dose evaluation of the safety, tolerability, and pharmacokinetics of DSP 1053 and its metabolites in healthy subjects and in subjects with major depressive disorder

What is the current status of trial NCT01774747?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 47 participants. The study started on 2012-12. Estimated completion is 2014-04.

What interventions are being tested in trial NCT01774747?

The interventions under investigation include: Placebo (DRUG), DSP-1053 (DRUG).

Who is sponsoring clinical trial NCT01774747?

This trial is sponsored by Sumitomo Pharma America, which has 168 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01774747's enrollment target sits among peer trials

47 1053rd of 2000 higher than 943 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 NCT01774747, the US trial registry maintained by the National Library of Medicine. NCT01774747 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.