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NCT04530981 · ClinicalTrials.gov registry record · Phase 1

A Drug-Drug Interaction Study to Evaluate the Effect of Ripretinib on the Pharmacokinetics of a CYP2C8 Probe Substrate in Patients with Advanced GIST

A Phase 1 study of GIST - Gastrointestinal Stromal Tumor, sponsored by Deciphera Pharmaceuticals.

Completed
Registry status
Phase 1
Development phase
13
Enrollment target
3
Study locations

NCT04530981: Completed Phase 1 study of GIST - Gastrointestinal Stromal Tumor, sponsored by Deciphera Pharmaceuticals.

NCT04530981 is a Phase 1 study of GIST - Gastrointestinal Stromal Tumor that has completed, run by Deciphera Pharmaceuticals. The registered enrollment target is 13 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (78% lower). The trial reports 3 study locations across 2 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04530981, a Phase 1 study of GIST - Gastrointestinal Stromal Tumor, has completed, sponsored by Deciphera Pharmaceuticals.

COMPLETED
Registry status
Phase 1
Development phase
13 participants
Enrollment target
3
Study locations

Study Summary

Evaluate the Effect of Ripretinib on the Pharmacokinetics of a CYP2C8 Substrate

Primary Outcome

Measure the Cmax

Interventions

  • DRUG Ripretinib
  • DRUG Repaglinide

Study Locations (3)

Florida

  • Mayo Clinic Florida - Jacksonville
  • Sylvester Comprehensive Cancer Center - Miami

Oregon

  • Oregon Health & Science University - Portland

Trial Details

FieldValue
Enrollment Target 13 participants
Start Date 2021-09-22
Est. Completion 2024-07-29
Phase Phase 1
Deciphera Pharmaceuticals

21 total trials

What the finished NCT04530981 record still lists

NCT04530981 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 13 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (78% lower).

The record links to 1 condition, with GIST - Gastrointestinal Stromal Tumor appearing as the primary indexed condition, and to 2 interventions - of which Ripretinib is the first listed.

NCT04530981 reports a single indexed study location in Florida, Oregon.

Frequently Asked Questions

What is clinical trial NCT04530981 about?

NCT04530981 is a clinical study titled "A Drug-Drug Interaction Study to Evaluate the Effect of Ripretinib on the Pharmacokinetics of a CYP2C8 Probe Substrate in Patients with Advanced GIST". Evaluate the Effect of Ripretinib on the Pharmacokinetics of a CYP2C8 Substrate

What is the current status of trial NCT04530981?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 13 participants. The study started on 2021-09-22. Estimated completion is 2024-07-29.

What conditions does trial NCT04530981 study?

This clinical trial studies the following conditions: GIST - Gastrointestinal Stromal Tumor.

What interventions are being tested in trial NCT04530981?

The interventions under investigation include: Ripretinib (DRUG), Repaglinide (DRUG).

Who is sponsoring clinical trial NCT04530981?

This trial is sponsored by Deciphera Pharmaceuticals, which has 21 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT04530981 being conducted?

This trial has 3 study locations across Florida, Oregon. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

How this trial's enrollment target compares

Where NCT04530981's enrollment target sits among peer trials

13 1847th of 2000 higher than 149 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 NCT04530981, the US trial registry maintained by the National Library of Medicine. NCT04530981 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.