A Study to Learn About the Safety, Effects and Pharmacokinetics of Study Medication (PF-07054894) for the Treatment of Ulcerative Colitis

February 24, 2026 updated by: Pfizer

A PHASE 1B, TWO-PART, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, MULTICENTER STUDY TO EVALUATE THE EFFICACY, SAFETY, AND PHARMACOKINETICS OF ORAL PF-07054894 IN ADULT PARTICIPANTS AGED 18-75 YEARS WITH MILD TO SEVERE ULCERATIVE COLITIS

This is a study to learn if the experimental medicine (called PF-07054894) is safe, effective, and how it is processed in adult people with ulcers in the colon.

Study Overview

Status

Terminated

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

44

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Berlin, Germany, 10117
        • Charité Universitaetsmedizin Berlin - Campus Mitte
      • Berlin, Germany, 10117
        • Charité Research Organisation
      • Lodz, Poland, 91-034
        • Centrum Medyczne Med-Gastr
    • Kuyavian-Pomeranian Voivodeship
      • Bydgoszcz, Kuyavian-Pomeranian Voivodeship, Poland, 85-231
        • NZOZ Centrum Medyczne KERmed
    • Lesser Poland Voivodeship
      • Krakow, Lesser Poland Voivodeship, Poland, 30-688
        • SP ZOZ Szpital Uniwersytecki w Krakowie
    • Masovian Voivodeship
      • Warsaw, Masovian Voivodeship, Poland, 04-501
        • Medical Network Spółka z o.o. WIP Warsaw IBD Point Profesor Kierkuś
    • Podlaskie Voivodeship
      • Bialystok, Podlaskie Voivodeship, Poland, 15-704
        • Klimed Marek Klimkiewicz
    • Silesian Voivodeship
      • Knurów, Silesian Voivodeship, Poland, 44-190
        • MZ Badania Slowik Zymla Spolka Jawna
    • Warmian-Masurian Voivodeship
      • Elblag, Warmian-Masurian Voivodeship, Poland, 82-300
        • NZOZ Twoje Zdrowie EL Sp. z o. o.
    • Łódź Voivodeship
      • Piotrkow Trybunalski, Łódź Voivodeship, Poland, 97-300
        • IRMED
    • Florida
      • Kissimmee, Florida, United States, 34741
        • IHS Health Research
      • Kissimmee, Florida, United States, 34741
        • Kissimmee Endosocpy Center ( Endoscopy Only )
      • Kissimmee, Florida, United States, 34741
        • Orlando Diagnostic Center ( CXR Only )
      • Tampa, Florida, United States, 33609
        • GCP Clinical Research
      • Tampa, Florida, United States, 33603
        • Tampa Bay Endoscopy Center
    • Iowa
      • Iowa City, Iowa, United States, 52242
        • University of Iowa
    • Texas
      • San Antonio, Texas, United States, 78212
        • Carta - Clinical Associates In Research Therapeutics Of America

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Confirmed diagnosis of moderate to severe (Part A) or mild to moderate (Part B) UC for ≥3 months prior to baseline.
  • Active disease beyond the rectum (>15 cm of active disease from the anal verge at the screening endoscopy).

Part A (moderate to severe): Must have a 5 to 9 score on the modified mayo score, including an endoscopy subscore of at least 2. Part B (mild to moderate): Participants with mMS of 4 to 6, ES of ≥2 and RB score of ≥1

  • Must have inadequate response to, loss of response to, or intolerance to at least one conventional therapy for UC.
  • Total body weight >40 kg (88.2 lb).

Exclusion Criteria:

  • Presence of indeterminate; microscopic; ischemic; infectious; radiation colitis; diverticular disease; Crohn's disease; colonic stricture; colonic obstruction/ resection; presence of cancer.
  • History of bowel surgery within 6 months prior to baseline.
  • History of significant trauma or major surgery within 4 weeks of screening or considered in imminent need of surgery or with elective surgery scheduled to occur during the study.
  • Presence of clinical signs of fulminant colitis or toxic megacolon, primary sclerosing cholangitis and evidence of colonic dysplasia, adenomas or neoplasia.
  • Clinically significant infections within 6 months of baseline

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Treatment Group 1
Oral PF-07054894
Oral
Placebo Comparator: Treatment Group 2
Matched Placebo
Placebo

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Part A: Proportion of participants achieving clinical remission at Week 12 in participants with moderate to severe UC.
Time Frame: Week 12
Clinical remission based on modified Mayo Score is defined as endoscopic subscore equal 0 or 1 (without friability), stool frequency subscore equal 0 or 1, and rectal bleeding subscore equal 0
Week 12
Part B: Percent change from baseline in the mMS in participants with mild to moderate UC.
Time Frame: Week 12
Week 12

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Part A: Proportion of participants achieving improvement in endoscopic appearance at Week 12
Time Frame: Week 12
Endoscopic improvement is defined as a Mayo endoscopic subscore of ≤1 (without friability)
Week 12
Part A: Proportion of participants with clinical remission at Week 12
Time Frame: Week 12
Clinical Remission defined by Total Mayo Score ≤2 and no individual subscore >1 and rectal bleeding subscore of 0
Week 12
Part B: Proportion of participants achieving clinical remission at Week 12
Time Frame: Week 12
Clinical Remission based on modified Mayo Score is defined as endoscopic subscore 0 or 1 (without friability), stool frequency subscore 0 or 1, and rectal bleeding subscore 0.
Week 12

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Study Director: Pfizer CT.gov Call Center, Pfizer

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 7, 2022

Primary Completion (Actual)

November 11, 2025

Study Completion (Actual)

November 11, 2025

Study Registration Dates

First Submitted

September 17, 2022

First Submitted That Met QC Criteria

September 17, 2022

First Posted (Actual)

September 22, 2022

Study Record Updates

Last Update Posted (Actual)

February 25, 2026

Last Update Submitted That Met QC Criteria

February 24, 2026

Last Verified

February 1, 2026

More Information

Terms related to this study

Other Study ID Numbers

  • C4151002
  • 2022-501047-32-00 (Registry Identifier: CTIS (EU))

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical_trials/trial_data_and_results/data_requests.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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