Colon ObstructionEUCOBSNCT07204665
This Study Has Been Designed to Support the Working Hypothesis That Emergency Surgery in a Colon Obstruction Neoplasm is Better Than Stent Bridge Due to Better Oncological Outcomes, Analyzing the Importance of ERAS Programs in Emergency Colon Obstruction Surgery.
An observational study of Colon Obstruction, run by Universidad de Zaragoza at 1 site in Spain.
Trial summary
This study has been designed to support the working hypothesis that emergency surgery in a colon obstruction neoplasm is better than stent bridge due to better oncological outcomes. The primary objective is to analyse the importance of ERAS program implementation in emergency colon obstruction surgery Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Colon Obstruction
- How many people
- 100 participants
- Where
- 1 siteSpain
- Study dates
- 1 Jul 2025to 30 Apr 2027
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: Adult patients (aged >18 years) with a diagnosis of Malignant obstruction colorectal cancer.
Who may be able to join
- All adult patients (aged >18 years) with a diagnosis of Malignant obstruction colorectal cancer. Informed consent will be obtained from all subjects who will participate in the study voluntarily.
- ASA I, II and III
- No more than 5 days from symptoms onset.
- Absence of proximal colon severe dilatation( no more than 8 centimeters), severe malnutrition.
- No Inmunocompromised patients
- Patients suffer from segmentary colectomy, with or without anastomosis with o witjhout lateral ileostomy
- Patients suffer from Hartmann procedure.
Who cannot join
- Patient refusal.
- Patients under 18 years of age.
- ASA IV
- Stent placement
- ICU stay more than 2 days
- Peritonitis
- Out of protocol if patient would need total parenteral nutrition(NPT) during postoperative or Clavien-Dindo more or equal than II.
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
About this study
Official title: European Study in Colon Obstruction
This study has been designed to support the working hypothesis that emergency surgery in a colon obstruction neoplasm is better than stent bridge due to better oncological outcomes. The primary objective is to analyse the importance of ERAS program implementation in emergency colon obstruction surgery
- Conditions
- Colon Obstruction
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| Urgent | Patients with urgent surgery | |
| Elective | Patients with elective surgery |
What is being measured
The primary outcome is the main question the study is designed to answer.
Postoperative complications
The primary objective is to analyse the importance of ERAS program implementation in emergency colon obstruction surgery
Measured: From enrollment to 90 days
Secondary outcomes (5)
1 year survival analysis
1 year survival analysis
Measured: 360 days after surgery
Overall survival
Overall survival
Measured: 365 days after surgery
disease-related survival
disease-related survival
Measured: 365 days after surgery
disease-free survival
disease-free survival
Measured: 365 days after surgery
Relationship between stent bridge and colon perforation
Relationship between stent bridge and colon perforation
Measured: 60 days after stent placement
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted2 Oct 2025
- Study start1 Jul 2025
- Primary completion30 Apr 2026 (estimated)
- Study completion30 Apr 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Colon ObstructionStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 100 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Universidad de Zaragoza
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Jose-M Ramirez, Universidad de Zaragoza
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07204665
- Sponsor's protocol ID
- EUCOBS
- Acronym
- EUCOBS
- Status last verified
- Sep 2025
- First submitted
- 24 Sep 2025
- Last updated
- 2 Oct 2025
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 2 Oct 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- European Study in Colon Obstruction
- ClinicalTrials.gov ID
- NCT07204665
- Acronym / sponsor ID
- EUCOBS / EUCOBS
- Conditions
- Colon Obstruction
- Study type
- Observational
- Recruitment status
- Enrolling by invitation
- Enrolment
- 100 participants (estimated)
- Lead sponsor
- Universidad de ZaragozaUniversity, hospital or other
- Study start
- 1 Jul 2025 (actual)
- Primary completion
- 30 Apr 2026 (estimated)
- Study completion
- 30 Apr 2027 (estimated)
- First posted
- 2 Oct 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study has been designed to support the working hypothesis that emergency surgery in a colon obstruction neoplasm is better than stent bridge due to better oncological outcomes. The primary objective is to analyse the importance of ERAS program implementation in emergency colon obstruction surgery
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Urgent | – | –Patients with urgent surgery |
| Elective | – | –Patients with elective surgery |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- Adult patients (aged >18 years) with a diagnosis of Malignant obstruction colorectal cancer.
Key inclusion criteria (7 listed)
- All adult patients (aged >18 years) with a diagnosis of Malignant obstruction colorectal cancer. Informed consent will be obtained from all subjects who will participate in the study voluntarily.
- ASA I, II and III
- No more than 5 days from symptoms onset.
- Absence of proximal colon severe dilatation( no more than 8 centimeters), severe malnutrition.
- No Inmunocompromised patients
Key exclusion criteria (7 listed)
- Patient refusal.
- Patients under 18 years of age.
- ASA IV
- Stent placement
- ICU stay more than 2 days
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Postoperative complications
Time frame: From enrollment to 90 days
The primary objective is to analyse the importance of ERAS program implementation in emergency colon obstruction surgery
5 secondary outcomes
1 year survival analysis
Time frame: 360 days after surgery
Overall survival
Time frame: 365 days after surgery
disease-related survival
Time frame: 365 days after surgery
disease-free survival
Time frame: 365 days after surgery
Relationship between stent bridge and colon perforation
Time frame: 60 days after stent placement
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 2 Oct 2025.
Related trials for Colon Obstruction
RecruitingObservational study
Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford
Rare Disorders, Undiagnosed Disorders
Recruiting
Rectus Sheath Catheters Following Midline Laparotomy
Acute Abdomen, Ileus
Not yet recruitingPhase 2
SAMe in Prevention of Oxaliplatin-associated Liver Injury
Colorectal Cancer, Liver Metastases
Not yet recruitingPhase 4
Emerging Indications for Hyperbaric Oxygen Treatment
Post-COVID-19 Condition, Ulcerative Colitis
RecruitingObservational study
The Value of Bowel Sounds in Evaluating Postoperative Intestinal Function Recovery in Colorectal Cancer Patients
Bowel Sounds, Colorectal Cancer
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Colon Obstruction, run by Universidad de Zaragoza at 1 site in Spain.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 7 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: enrolling by invitation, as of the sponsor's last update on 2 Oct 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Postoperative complications (time frame: From enrollment to 90 days). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Oct 2025.