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A Study in Adult Participants With EoE to Evaluate Vonoprazan 20 mg Compared to Placebo After 12 Weeks and to Evaluate Vonoprazan 20 mg Up to 24 Weeks

NCT06851559 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 80

Last updated 2026-04-28

No results posted yet for this study

Summary

The primary objective of this study is to assess the efficacy of vonoprazan 20 mg once daily (QD) compared to placebo QD in the number of participants with a peak eosinophilic histologic response \<15 eosinophils per high-power field (eos/hpf) after 12 weeks of therapy.

Conditions

  • Eosinophilic Esophagitis

Interventions

DRUG

Vonoprazan

Vonoprazan will be administered orally as a tablet

DRUG

Placebo

Placebo will be administered orally as tablet

Sponsors & Collaborators

  • Phathom Pharmaceuticals, Inc.

    lead INDUSTRY

Principal Investigators

  • Medical Director · Phathom Pharmaceuticals

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-10-30
Primary Completion
2026-12-31
Completion
2027-03-31
FDA Drug
Yes

Countries

  • United States

Study Locations

More Related Trials

Entities

Drugs

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06851559 on ClinicalTrials.gov