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Colorectal CancerANSCRSNCT03958500

The Problem of Colorectal Anastomosis Safety

A study testing Indocyanine green fluorescent angiography intraluminally and intraperitoneally in people with Colorectal Cancer and Colorectal Carcinoma, run by Vilnius University at 2 sites in Lithuania.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This is a prospective cohort pilot study. The investigators are planning to develop an original, standardized colorectal anastomosis inspection method, which will systemically inspect the anastomosis vascularity using the indocyanine green fluorescent angiography intraluminally and intraperitoneally, the air leak… Read more about this study

Who is it for?
Ages 18 to 100 years
What is being tested?
Indocyanine green fluorescent angiography intraluminally and intraperitoneally
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
60 participants
Where
2 sitesLithuania
Study dates
1 Apr 2019to 31 Jan 2022
Phase
Interventional
Are there results?
None posted in the registry

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 to 100 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • patients over 18 year
  • signed written consent
  • a colorectal anastomosis lower 15 cm from anal verge
  • elective surgery

Who cannot join

  • allergy to indocyanine green dye
  • pregnancy

Trial locations and contacts

2 sites in 1 country.

Lithuania2 sites
  • National Cancer Institute, Vilnius, Lithuania

    Vilnius

  • Vilnius University hospital Santaros klinikos

    Vilnius

Other trials in Lithuania

About this study

Official title: Problem of Safety of Anastomosis in Colorectal Surgery and Search for the Solutions

This is a prospective cohort pilot study. The investigators are planning to develop an original, standardized colorectal anastomosis inspection method, which will systemically inspect the anastomosis vascularity using the indocyanine green fluorescent angiography intraluminally and intraperitoneally, the air leak test, the methylene blue test, the tension in the anastomosis inspection, patients' risk factors scale sum. The summarized evaluation will determine the final anastomotic leak risk.

Being tested
Indocyanine green fluorescent angiography intraluminally and intraperitoneally
Medical subject headings
Colorectal Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Indocyanine green fluorescent angiography intraluminally and intraperitoneallyProcedure or surgery

    Also called Air leak test, Methylene blue test

    The use of indocyanine green fluorescent angiography to check bowel and anastomosis viability in standard low anterior rectal anastomosis

Study groups in NCT03958500
Study groupRoleWhat they receive
Comprehensive anastomotic testingExperimentalAll patients undergo: 1. Indocyanine green fluorescent angiography intraluminally and intraperitoneally 2. Air leak test 3. Methylene blue test
Receives: Procedure: Indocyanine green fluorescent angiography intraluminally and intraperitoneally

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Rate of anastomotic leakage

    The number of patients, who had clinical or radiological anastomotic leakage. Proctography will be performed 6-8 days and 4-6 weeks after the primary operation.

    Measured: 0 to 60 days

Secondary outcomes (8)
  1. Quality of life before and after the operation

    Using low anterior resection syndrome score (the LARS score - simple 5 question questionnaire). LARS score is a tool consisting of five items, which are as follows: incontinence due to flatus (score range from 0 to 7), incontinence due to liquid stools (score range from 0 to 3), frequency of bowel movements (score range from 0 to 5), clustering (score range from 0 to 11) and urgency (score range from 0 to 16). The severity of each item is calculated on a scale ranging from 0 to 42, with a score of 0-20 (no LARS), 21-29 (minor LARS) and 30-42 (major LARS).

    Measured: 0 to 60 days

  2. Quality of life before and after the operation

    Using QLQ-C30 questionnaire. To compare change in Quality of Life, as defined by the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core-30 (EORTC QLQ-C30 (Version 3)) before operation and 4-6 weeks after the operation.

    The EORTC QLQ-C30 (Version 3) uses for the questions 1 to 28 a 4-point scale. The scale scores from 1 to 4: 1 ("Not at all"), 2 ("A little"), 3 ("Quite a bit") and 4 ("Very much"). Half points are not allowed. The range is 3. For the raw score, less points are considered to have a better outcome.

    The EORTC QLQ-C30 (Version 3) uses for the questions 29 and 30 a 7-points scale. The scale scores from 1 to 7: 1 ("very poor") to 7 ("excellent"). Half points are not allowed. The range is 6. First of all, raw score has to be calculated with mean values. Afterwards linear transformation is performed to be comparable. More points are considered to have a better outcome.

    Measured: 0 to 60 days

  3. Reoperation rate

    Patients, who needed re-interventions

    Measured: 0 to 60 days

  4. Intraoperative test leakage

    Leakage rate detected intraoperatively after anastomosis testing

    Measured: 0 to 600 minutes

  5. Time of anastomosis testing

    Time from the start of the anastomosis testing till the end

    Measured: 0 to 600 minutes

  6. Operation time

    Time from the start of the operation until the end of the operation

    Measured: 0 to 600 minutes

  7. 90 days mortality

    the mortality of the patients after the operation

    Measured: 0 to 90 days

  8. Timing of anastomosis leakage

    In days after surgery

    Measured: 0 to 60 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 May 2019
  2. Study start1 Apr 2019
  3. Primary completion30 Dec 2021
  4. Study completion31 Jan 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
60 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03958500
Sponsor's protocol ID
2019/3-1116-608
Acronym
ANSCRS
Status last verified
May 2022
First submitted
17 Apr 2019
Last updated
3 Jun 2022
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Kryzauskas M, Poskus E, Dulskas A, Bausys A, Jakubauskas M, Imbrasaite U, Makunaite G, Kuliavas J, Bausys R, Stratilatovas E, Strupas K, Poskus T. The problem of colorectal anastomosis safety. Medicine (Baltimore). 2020 Jan;99(2):e18560. doi: 10.1097/MD.0000000000018560.

    PubMed 31914032

Questions about this trial

What is this clinical trial studying?

A study testing Indocyanine green fluorescent angiography intraluminally and intraperitoneally in people with Colorectal Cancer and Colorectal Carcinoma, run by Vilnius University at 2 sites in Lithuania.

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 4 inclusion and 2 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: finished, as of the sponsor's last update on 3 Jun 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Lithuania. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Rate of anastomotic leakage (time frame: 0 to 60 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03958500, which also lists 1 linked publication.

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 3 Jun 2022.

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