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Robot-Assisted surgery aims to improve rectal tumor removal

NCT ID NCT07522294

Disease control Sponsor: Jeng-Fu You Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new robotic surgery method for removing rectal tumors. The approach uses a single-port robot to improve flexibility and visibility during the operation. Researchers will study 20 patients with benign or early-stage rectal tumors to see if the procedure is safe and effective. The goal is to create a standard way to perform this robotic surgery.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2026

Expected to finish

Dec 2029

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

20 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients with benign rectal lesions, including large adenomas or polyps not amenable to standard endoscopic removal * Patients with recurrent or residual rectal lesions following incomplete endoscopic resection * Patients with early-stage rectal cancer (clinical T1 tumors confined to the submucosa) with favorable histologic features (e.g., well-differentiated, no lymphovascular or perineural invasion) * Select patients with T2 rectal cancer who are medically unfit for radical surgery or require local palliation * Patients with clinically downstaged rectal cancer (e.g., cT0 or near-complete response) following neoadjuvant chemoradiotherapy, in whom TAMIS may be used for local excision to confirm pathological response Exclusion Criteria: * Patients undergoing excision of rectal neuroendocrine tumors * Patients with bulky tumors or advanced disease (clinical T3-T4) * Patients with radiologic or clinical evidence of nodal involvement * Patients with high-risk histologic features (e.g., lymphovascular invasion, perineural invasion, poor differentiation), unless TAMIS is performed for palliative purposes or in patients unfit for radical surgery * Patients in whom completion radical surgery is clearly indicated based on preoperative assessment

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Conditions

The condition(s) this trial relates to.

benign neoplasm of rectum rectal cancer rectal neoplasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Rectal benign lesions Rectal cancer patients Rectal neoplasms

Contacts and locations

Locations

  • Chang Gung Memorial Hospital, Linkou

    Taoyuan, 333, Taiwan

More trials for these conditions

Other studies related to the condition(s) this trial covers.