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NCT04090047 · ClinicalTrials.gov registry record · Phase 1

A Study to Investigate the Effect of Multiple Doses of Itraconazole on the Pharmacokinetics of PF-06700841 in Healthy Participants

A Phase 1 study, sponsored by Pfizer.

Completed
Registry status
Phase 1
Development phase
12
Enrollment target

NCT04090047: Completed Phase 1 study, sponsored by Pfizer.

NCT04090047 is a Phase 1 study that has completed, run by Pfizer. The registered enrollment target is 12 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (80% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04090047, a Phase 1 study, has completed, sponsored by Pfizer.

COMPLETED
Registry status
Phase 1
Development phase
12 participants
Enrollment target

Study Summary

An open-label, fixed-sequence, 2-period study to investigate the effect of multiple oral doses of itraconazole on a single oral dose of PF-06700841 PK in healthy participants. The study will consist of two treatment periods in one fixed sequence.

Interventions

  • DRUG Itraconazole
  • DRUG PF-06700841

Trial Details

FieldValue
Enrollment Target 12 participants
Start Date 2019-09-24
Est. Completion 2019-12-19
Phase Phase 1
Pfizer

1,845 total trials

What the finished NCT04090047 record still lists

NCT04090047 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 12 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (80% lower).

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

NCT04090047 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04090047 about?

NCT04090047 is a clinical study titled "A Study to Investigate the Effect of Multiple Doses of Itraconazole on the Pharmacokinetics of PF-06700841 in Healthy Participants". An open-label, fixed-sequence, 2-period study to investigate the effect of multiple oral doses of itraconazole on a single oral dose of PF-06700841 PK in healthy participants. The study will consist of two treatment periods in one fixed sequence.

What is the current status of trial NCT04090047?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 12 participants. The study started on 2019-09-24. Estimated completion is 2019-12-19.

What interventions are being tested in trial NCT04090047?

The interventions under investigation include: Itraconazole (DRUG), PF-06700841 (DRUG).

Who is sponsoring clinical trial NCT04090047?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04090047's enrollment target sits among peer trials

12 1852nd of 2000 higher than 90 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 NCT04090047, the US trial registry maintained by the National Library of Medicine. NCT04090047 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.