The Hugo RAS Colorectal Collaborative (HRCC)

April 20, 2026 updated by: Matteo Rottoli, IRCCS Azienda Ospedaliero-Universitaria di Bologna

The Hugo RAS Colorectal Collaborative (HRCC): An International Study to Advance Minimally Invasive Surgery

The Hugo RAS Colorectal Collaborative (HRCC) is an international, multicenter dataset of patients undergoing colorectal surgery using the Hugo RAS system. The registry aims to analyze short and long-term outcomes to provide real-world evidence on the safety and effectiveness of the system.

Study Overview

Detailed Description

This prospective observational study will gather data via standardized electronic Case Report Forms (eCRFs) across multiple international high-volume colorectal surgery centers. The study intends to foster the standardization of surgical techniques, evaluate the learning curve of surgeons, and identify surgical best practices for the Hugo RAS modular system. The total expected duration for the initial phase is approximately 3 years, followed by extended long-term follow-up.

Study Type

Observational

Enrollment (Estimated)

2000

Contacts and Locations

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

Study Contact

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Adult patients (≥18 years) undergoing any type of elective or emergent colorectal surgery using the Hugo RAS system. The population will be drawn from participating high-volume colorectal surgery centers across multiple countries. All eligible patients at these centers will be enrolled to minimize selection bias.

Description

Inclusion Criteria:

  • Adult patients (age ≥ 18 years)
  • Scheduled to undergo any type of colorectal surgery (elective or emergent) where the Hugo RAS system is planned to be used
  • Willing and able to provide written informed consent

Exclusion Criteria:

-Patients unable to provide informed consent

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

Cohorts and Interventions

Group / Cohort
Patients undergoing Hugo RAS colorectal surgery
Adult patients (≥18 years) scheduled to undergo any type of elective or emergent colorectal surgery utilizing the Hugo™ RAS (Robotic-Assisted Surgery) System at participating high-volume colorectal surgery centers. The intervention of interest is the use of the Hugo RAS System, a medical device manufactured by Medtronic, which consists of a surgeon console, robotic arms with instrument manipulators, and a vision cart. The system is intended for performing minimally invasive colorectal surgical procedures. Because this is an observational study, patients will receive treatment according to the standard clinical practice of the participating centers.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Complications
Time Frame: Intraoperatively
Number of participants experiencing intraoperative complications, which will include the recording of robotic arm conflicts, system alarms (including red alarms), and any technical difficulties encountered.
Intraoperatively
Rate of Postoperative Complications
Time Frame: Postoperatively (30-day and 90-day)
Number and severity of postoperative complications assessed using the Clavien-Dindo classification system
Postoperatively (30-day and 90-day)
Operative Time
Time Frame: Intraoperatively
Total duration in minutes of the surgical procedure measured to evaluate the efficacy of the Hugo RAS system.
Intraoperatively
Blood loss
Time Frame: Intraoperatively.
Measurement of blood loss during the surgical procedure. (ml)
Intraoperatively.
Conversion Rate
Time Frame: Intraoperatively.
Measurement of conversion rates to open or traditional laparoscopic surgery (%)
Intraoperatively.
Length of Hospital Stay
Time Frame: At discharge, assessed up to 90 days post-surgery
Total length (days) of patient hospital stay post-surgery.
At discharge, assessed up to 90 days post-surgery
Hospital Readmission Rate
Time Frame: Up to 90 days post-surgery
Rate of hospital readmissions following discharge.
Up to 90 days post-surgery
Pathological Outcomes: Margin Status and Lymph Node Yield
Time Frame: Up to 30 days post-surgery
Assessment of pathological outcomes, specifically evaluating margin status and lymph node yield.
Up to 30 days post-surgery
Disease Recurrence Rate
Time Frame: Up to 5 years post-surgery
Monitoring of disease recurrence rates post-surgery.
Up to 5 years post-surgery
Overall and Disease-Free Survival
Time Frame: Up to 5 years post-surgery
Collection of survival data, specifically overall survival and disease-free survival rates.
Up to 5 years post-surgery
Long-term Functional Outcomes
Time Frame: Long-term follow-up (e.g., 1 year, 3 years post-surgery).
Assessment of long-term functional outcomes, such as bowel function.
Long-term follow-up (e.g., 1 year, 3 years post-surgery).
Bowel Function Assessed by the LARS Score
Time Frame: Baseline, 6 months, 1 year, 2 years, and 3 years post-surgery
Bowel function will be evaluated using the unabbreviated Low Anterior Resection Syndrome (LARS) score questionnaire. The total score ranges from 0 to 42. A score of 0 to 20 indicates no LARS, 21 to 29 indicates minor LARS, and 30 to 42 indicates major LARS. Higher scores indicate worse bowel function and a worse outcome.
Baseline, 6 months, 1 year, 2 years, and 3 years post-surgery
Fecal Incontinence Assessed by the Wexner Scale
Time Frame: Baseline, 6 months, 1 year, 2 years, and 3 years post-surgery
Fecal incontinence will be evaluated using the Cleveland Clinic (Wexner) Fecal Incontinence Score. The scale assesses the frequency of different types of incontinence and lifestyle alterations. The total score ranges from 0 to 20, where 0 represents perfect continence and 20 represents complete incontinence. Higher scores indicate more severe incontinence and a worse outcome.
Baseline, 6 months, 1 year, 2 years, and 3 years post-surgery
Quality of Life Assessed by the EORTC QLQ-C30
Time Frame: Baseline, 6 months, 1 year, 2 years, and 3 years post-surgery
Quality of life will be assessed using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30). All scale and single-item measures are linearly transformed to a score ranging from 0 to 100. For the global health status and functional scales, a higher score represents a better level of functioning and a better quality of life. For the symptom scales and items, a higher score represents a higher level of symptomatology and a worse quality of life.
Baseline, 6 months, 1 year, 2 years, and 3 years post-surgery
Health-Related Quality of Life Assessed by the EQ-5D-3L
Time Frame: Baseline, 6 months, 1 year, 2 years, and 3 years post-surgery
Health status will be evaluated using the EuroQol-5 Dimension-3 Level (EQ-5D-3L) questionnaire. This tool consists of a descriptive system and a Visual Analogue Scale (VAS). The descriptive system assesses mobility, self-care, usual activities, pain/discomfort, and anxiety/depression, which are converted into a single health utility index score (typically ranging from less than 0 to 1.0, where 1.0 represents full health). The EQ VAS records the patient's self-rated health on a vertical visual analogue scale ranging from 0 to 100. For both the index score and the VAS, higher scores indicate a better health status and a better outcome.
Baseline, 6 months, 1 year, 2 years, and 3 years post-surgery

Collaborators and Investigators

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

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 (Estimated)

April 1, 2026

Primary Completion (Estimated)

March 1, 2029

Study Completion (Estimated)

June 1, 2029

Study Registration Dates

First Submitted

March 20, 2026

First Submitted That Met QC Criteria

April 14, 2026

First Posted (Actual)

April 21, 2026

Study Record Updates

Last Update Posted (Actual)

April 22, 2026

Last Update Submitted That Met QC Criteria

April 20, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

Requests for access to anonymized individual patient-level data by external researchers will be considered on a case-by-case basis by the HRCC steering committee. A formal data sharing agreement outlining the terms of use, data security, and publication policies will be required. The primary aim is to protect patient confidentiality and ensure that data is used responsibly for advancing scientific knowledge in line with the registry's objectives.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

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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