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NCT04124926 · ClinicalTrials.gov registry record · Phase 3

Efficacy and Safety of Vonoprazan Compared to Lansoprazole in Participants With Erosive Esophagitis

A Phase 3 study, sponsored by Phathom Pharmaceuticals.

Completed
Registry status
Phase 3
Development phase
1,027
Enrollment target

NCT04124926: Completed Phase 3 study, sponsored by Phathom Pharmaceuticals.

NCT04124926 is a Phase 3 study that has completed, run by Phathom Pharmaceuticals. The registered enrollment target is 1,027 participants, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (33% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04124926, a Phase 3 study, has completed, sponsored by Phathom Pharmaceuticals.

COMPLETED
Registry status
Phase 3
Development phase
1,027 participants
Enrollment target

Study Summary

To evaluate the efficacy and safety of vonoprazan compared to lansoprazole in participants with erosive esophagitis.

Primary Outcome

A participant was considered to have complete healing of EE if healing was demonstrated during endoscopy.

Interventions

  • DRUG Vonoprazan
  • DRUG Lansoprazole

Trial Details

FieldValue
Enrollment Target 1,027 participants
Start Date 2019-10-28
Est. Completion 2021-08-24
Phase Phase 3
Phathom Pharmaceuticals

13 total trials

What the finished NCT04124926 record still lists

NCT04124926 is an interventional study that assigns participants to a tested intervention. Its 1,027 participants enrollment target places it among the larger protocols in the corpus, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (33% higher).

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

NCT04124926 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04124926 about?

NCT04124926 is a clinical study titled "Efficacy and Safety of Vonoprazan Compared to Lansoprazole in Participants With Erosive Esophagitis". To evaluate the efficacy and safety of vonoprazan compared to lansoprazole in participants with erosive esophagitis.

What is the current status of trial NCT04124926?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 1,027 participants. The study started on 2019-10-28. Estimated completion is 2021-08-24.

What interventions are being tested in trial NCT04124926?

The interventions under investigation include: Vonoprazan (DRUG), Lansoprazole (DRUG).

Who is sponsoring clinical trial NCT04124926?

This trial is sponsored by Phathom Pharmaceuticals, which has 13 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04124926's enrollment target sits among peer trials

1,027 288th of 2000 higher than 1,713 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 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 NCT04124926, the US trial registry maintained by the National Library of Medicine. NCT04124926 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.