A Study to Learn About the Safety, Effects and Pharmacokinetics of Study Medication (PF-07054894) for the Treatment of Ulcerative Colitis
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT05549323 |
Recruitment Status :
Recruiting
First Posted : September 22, 2022
Last Update Posted : February 8, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Ulcerative Colitis | Drug: PF-07054894 Drug: Placebo | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 27 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Intervention Model Description: | Participants are assigned to one of the two groups in parallel for the duration of the study. |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A PHASE 1B, 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 MODERATE TO SEVERE ULCERATIVE COLITIS |
Actual Study Start Date : | November 7, 2022 |
Estimated Primary Completion Date : | October 22, 2024 |
Estimated Study Completion Date : | October 22, 2024 |

Arm | Intervention/treatment |
---|---|
Experimental: Treatment Group 1
Oral PF-07054894
|
Drug: PF-07054894
Oral |
Placebo Comparator: Treatment Group 2
Matched Placebo
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Drug: Placebo
Placebo |
- 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 equal 0 or 1 (without friability), stool frequency subscore equal 0 or 1, and rectal bleeding subscore equal 0
- 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)
- 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

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Ages Eligible for Study: | 18 Years to 75 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Confirmed diagnosis of moderate to severe 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).
- Must have a 5 to 9 score on the modified mayo score, including an endoscopy subscore of at least 2.
- Must 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

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05549323
Contact: Pfizer CT.gov Call Center | 1-800-718-1021 | ClinicalTrials.gov_Inquiries@pfizer.com |
United States, Florida | |
IHS Health Research | Recruiting |
Kissimmee, Florida, United States, 34741 | |
Kissimmee Endosocpy Center ( Endoscopy Only ) | Recruiting |
Kissimmee, Florida, United States, 34741 | |
Orlando Diagnostic Center ( CXR Only ) | Recruiting |
Kissimmee, Florida, United States, 34741 | |
GCP Clinical Research | Recruiting |
Tampa, Florida, United States, 33609 | |
United States, Maryland | |
Charter Radiology | Recruiting |
Columbia, Maryland, United States, 21044 | |
Cascades Endoscopy Center | Recruiting |
Columbia, Maryland, United States, 21045 | |
Gastro Center of Maryland, LLC | Recruiting |
Columbia, Maryland, United States, 21045 | |
United States, Texas | |
Carta - Clinical Associates In Research Therapeutics Of America | Recruiting |
San Antonio, Texas, United States, 78212 |
Study Director: | Pfizer CT.gov Call Center | Pfizer |
Responsible Party: | Pfizer |
ClinicalTrials.gov Identifier: | NCT05549323 |
Other Study ID Numbers: |
C4151002 2022-501047-32-00 ( Registry Identifier: CTIS (EU) ) |
First Posted: | September 22, 2022 Key Record Dates |
Last Update Posted: | February 8, 2023 |
Last Verified: | February 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
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. |
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 |
Inflammatory Bowel Disease |
Colitis Colitis, Ulcerative Ulcer Gastroenteritis Gastrointestinal Diseases |
Digestive System Diseases Colonic Diseases Intestinal Diseases Pathologic Processes Inflammatory Bowel Diseases |