← Back to Clinical Trials
Recruiting NCT04220905

NCT04220905 Endoscopic Resection of Large Colorectal Polyps: An Observational Cohort Study

◆ AI Clinical Summary
Plain-language summary for patients
Clinical Trial Summary
NCT ID NCT04220905
Status Recruiting
Phase
Sponsor White River Junction Veterans Affairs Medical Center
Condition Colonic Polyp
Study Type OBSERVATIONAL
Enrollment 1,500 participants
Start Date 2017-11-01
Primary Completion 2025-05

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type OBSERVATIONAL

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 1,500 participants in total. It began in 2017-11-01 with a primary completion date of 2025-05.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This protocol describes a prospective cohort study. It addresses an important challenge in the prevention of colorectal cancer and duodenal cancer: how to safely and effectively remove large polyps.

Eligibility Criteria

Inclusion Criteria: * Any patient ≥18 who presents for an upper endoscopy or colonoscopy and who does not have criteria for exclusion * Patients with a ≥20mm colon polyp * Patients with a ≥10mm duodenal polyp Exclusion Criteria: * Patients who are receiving an emergency endoscopy * Patients with coagulopathy with an elevated INR ≥1.5, or platelets \<50 * Poor bowel preparation * Pregnancy

Contact & Investigator

Central Contact

Heiko Pohl, MD

✉ heiko.pohl@va.gov

📞 8022959363

Principal Investigator

Heiko Pohl, MD

PRINCIPAL INVESTIGATOR

White River Junction Veterans Affairs Medical Center

Frequently Asked Questions

Who can join the NCT04220905 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Colonic Polyp. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT04220905 currently recruiting?

Yes, NCT04220905 is actively recruiting participants. Contact the research team at heiko.pohl@va.gov for enrollment information.

Where is the NCT04220905 trial being conducted?

This trial is being conducted at White River Junction, United States.

Who is sponsoring the NCT04220905 clinical trial?

NCT04220905 is sponsored by White River Junction Veterans Affairs Medical Center. The principal investigator is Heiko Pohl, MD at White River Junction Veterans Affairs Medical Center. The trial plans to enroll 1,500 participants.

Related Trials

ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology