Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Withdrawn Phase 2 Interventional

Pembrolizumab in Early Stage Colon Cancer

ClinicalTrials.gov ID: NCT04231526

Public ClinicalTrials.gov record NCT04231526. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 26, 2026, 7:18 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Window of Opportunity Study of Pembrolizumab in Colon Cancer

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will gather information on the safety and effectiveness of pembrolizumab, an immunotherapy drug. The purpose of this study is to target early stage colon cancer before it has developed resistance to immunotherapy.

Study identification

NCT ID
NCT04231526
Recruitment status
Withdrawn
Study type
Interventional
Phase
Phase 2
Lead sponsor
University of Chicago
Other
Enrollment
Not listed

Conditions and interventions

Conditions

Interventions

Drug · Procedure

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 19, 2020
Primary completion
Nov 30, 2022
Completion
Nov 30, 2022
Last update posted
Jul 30, 2024

2020 – 2022

United States locations

U.S. sites
2
U.S. states
1
U.S. cities
2
Facility City State ZIP Site status
University Of Chicago Medicine Comprehensive Cancer Center Chicago Illinois 60637 —
Decatur Memorial Hospital Decatur Illinois 62526 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04231526, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 30, 2024 · Synced Sep 26, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04231526 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →