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NCT03076021 · ClinicalTrials.gov registry record · Phase 4

Effects of Isotretinoin on CYP2D6 Activity

A Phase 4 study, sponsored by University of Washington.

Completed
Registry status
Phase 4
Development phase
33
Enrollment target

NCT03076021: Completed Phase 4 study, sponsored by University of Washington.

NCT03076021 is a Phase 4 study that has completed, run by University of Washington. The registered enrollment target is 33 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (94% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03076021, a Phase 4 study, has completed, sponsored by University of Washington.

COMPLETED
Registry status
Phase 4
Development phase
33 participants
Enrollment target

Study Summary

Specific Aim: To investigate if isotretinoin (13-cis-retinoic acid) administration decreases CYP2D6 activity in adolescent patients.

Primary Outcome

dextromethorphan (DM)/dextrophan (DX) molar concentration Metabolic Ratio. The metabolic ratio is unit-less as the molar concentrations cancel out.

Interventions

  • DRUG Isotretinoin
  • DRUG dextromethorphan

Trial Details

FieldValue
Enrollment Target 33 participants
Start Date 2016-07-26
Est. Completion 2023-11-27
Phase Phase 4
University of Washington

1,048 total trials

What the finished NCT03076021 record still lists

NCT03076021 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 33 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (94% lower).

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

NCT03076021 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03076021 about?

NCT03076021 is a clinical study titled "Effects of Isotretinoin on CYP2D6 Activity". Specific Aim: To investigate if isotretinoin (13-cis-retinoic acid) administration decreases CYP2D6 activity in adolescent patients.

What is the current status of trial NCT03076021?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 33 participants. The study started on 2016-07-26. Estimated completion is 2023-11-27.

What interventions are being tested in trial NCT03076021?

The interventions under investigation include: Isotretinoin (DRUG), dextromethorphan (DRUG).

Who is sponsoring clinical trial NCT03076021?

This trial is sponsored by University of Washington, which has 1,048 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03076021's enrollment target sits among peer trials

33 1528th of 2000 higher than 467 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 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 NCT03076021, the US trial registry maintained by the National Library of Medicine. NCT03076021 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.