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NCT03411122 · ClinicalTrials.gov registry record · Phase 1

A Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Drug Interaction Potential of Napabucasin in Healthy Volunteers

A Phase 1 study, sponsored by Sumitomo Pharma America.

Completed
Registry status
Phase 1
Development phase
30
Enrollment target

NCT03411122: Completed Phase 1 study, sponsored by Sumitomo Pharma America.

NCT03411122 is a Phase 1 study that has completed, run by Sumitomo Pharma America. The registered enrollment target is 30 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (50% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03411122, a Phase 1 study, has completed, sponsored by Sumitomo Pharma America.

COMPLETED
Registry status
Phase 1
Development phase
30 participants
Enrollment target

Study Summary

This is a phase I, single-center, open-label, single-sequence, 3-period, PK drug interaction study evaluating the effect of napabucasin in healthy volunteers on the single-dose PK of several cytochrome P450 (CYP450) probe drugs as well as a BCRP substrate.

Interventions

  • DRUG napabucasin
  • DRUG cytochrome P450 (CYP450) probe drugs or BCRP transporter substrate

Trial Details

FieldValue
Enrollment Target 30 participants
Start Date 2017-06-30
Est. Completion 2018-01-23
Phase Phase 1
Sumitomo Pharma America

168 total trials

What the finished NCT03411122 record still lists

NCT03411122 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 30 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (50% lower).

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

NCT03411122 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03411122 about?

NCT03411122 is a clinical study titled "A Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Drug Interaction Potential of Napabucasin in Healthy Volunteers". This is a phase I, single-center, open-label, single-sequence, 3-period, PK drug interaction study evaluating the effect of napabucasin in healthy volunteers on the single-dose PK of several cytochrome P450 (CYP450) probe drugs as well as a BCRP substrate.

What is the current status of trial NCT03411122?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 30 participants. The study started on 2017-06-30. Estimated completion is 2018-01-23.

What interventions are being tested in trial NCT03411122?

The interventions under investigation include: napabucasin (DRUG), cytochrome P450 (CYP450) probe drugs or BCRP transporter substrate (DRUG).

Who is sponsoring clinical trial NCT03411122?

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 NCT03411122's enrollment target sits among peer trials

30 1332nd of 2000 higher than 561 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 NCT03411122, the US trial registry maintained by the National Library of Medicine. NCT03411122 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.