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Subjects Referred to CT-examination of the AbdomenPhase 2NCT03326518

A Randomized, Controlled Trial to Evaluate CT Image Quality Lumentin® 44

A Phase 2 study testing Lumentin® 44, Diluted Omnipaque® and Movprep® in people with Subjects Referred to CT-examination of the Abdomen, run by Lument AB at 1 site in Sweden.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

Subjects referred for abdominal or thoracoabdominal CT-examination will be randomised to either the three contrast agents Lumentin® 44, Omnipaque® or Movprep. The difference in contrast density, as observed in the CT-examination, between lumen and wall (mucosal lining) will be compared by the three contrast agents. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Lumentin® 44, Diluted Omnipaque® and Movprep®
Could I receive a placebo?
No, everyone receives an active treatment
How many people
45 participants
Where
1 siteSweden
Study dates
28 Nov 2017to 15 Feb 2019
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

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

Who may be able to join

  • Subjects of either gender at least 18 years at the time of signing the informed consent.
  • Having a clinical indication for CT-examination of the abdomen

Who cannot join

  • IV administration of iodine is contraindicated
  • Known allergy to egg albumen
  • Clinical suspicion, according to medical record, of fistula formation and/or leakage
  • Referral indication of small bowel disease(s)
  • Having known manifest thyrotoxicosis
  • Having known phenylketonuria
  • Having known Glucose-6-phosphatase deficiency

Trial locations and contacts

1 site in 1 country.

Sweden1 site
  • Department of medical imaging and function

    Malmö, 20502

Other trials in Sweden

About this study

Official title: An Open, Randomized, Controlled, Single Centre Trial to Evaluate CT Image Quality and Diagnostic Feasibility of Lumentin® 44, in Comparison With Omnipaque and Movprep.

Subjects referred for abdominal or thoracoabdominal CT-examination will be randomised to either the three contrast agents Lumentin® 44, Omnipaque® or Movprep. The difference in contrast density, as observed in the CT-examination, between lumen and wall (mucosal lining) will be compared by the three contrast agents.

Being tested
Lumentin® 44, Diluted Omnipaque®, Movprep®

What participants receive

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

  • Lumentin® 44Diagnostic test

    Contrast agent

  • Diluted Omnipaque®Diagnostic test

    Contrast agent

  • Movprep®Diagnostic test

    Contrast agent

Study groups in NCT03326518
Study groupRoleWhat they receive
Lumentin® 44ExperimentalContrast agent
Receives: Diagnostic Test: Lumentin® 44
Diluted Omnipaque®Active comparatorContrast agent
Receives: Diagnostic Test: Diluted Omnipaque®
Movprep®Active comparatorContrast agent
Receives: Diagnostic Test: Movprep®

What is being measured

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

  1. Relative Mean Difference in Contrast Density

    difference in contrast density between lumen and wall (mucosal lining)

    Measured: Day 1

Secondary outcomes (9)
  1. Bowel Filling Properties, Extension

    The bowel filling agent was distributed along the length of small bowel, i.e. the extension. The filling of each of the 5 selected sub-segments of the small bowel in terms of extension was examined on the CT-scan by 2 investigators, independently of each other, and graded using Likert scales between 1 and 9.

    Extension scale:

    1. No sign of contrast agent
    2. Trace of contrast agent filling
    3. Segment filled to ca. 25%
    4. Segment filled to >25% but <50%
    5. Filled to segment filled to 50%
    6. Segment filled > 50% but <75%
    7. Segment filled to ca. 75%
    8. Segment filled to >75% but <100%
    9. Segment filled to 100% The evaluation was made by 2 independent radiology experts. The Extension score is the sum of the grades in each sub-segment from both evaluations and hence range from 10 to 90.

    Measured: Day 1

  2. Bowel Filling Properties, Distension

    The bowel filling agent caused a local widening of the bowel loop, distension. The filling of each of the 5 selected sub-segments of the small bowel in terms of distension was examined on the CT-scan by both the 2 investigators independently of each other, and graded using Likert scales between 1 and 9.

    Distension scale:

    1. No identifiable contrast agent
    2. A minimal amount of contrast agent is identified
    3. Small amount of contrast agent, insufficient for placing a ROI of 6 mm
    4. Amount of contrast agent just allowing for a ROI of 6 mm
    5. Medium filled bowel loop
    6. Slightly better than grade 5
    7. Good filling
    8. Optimal filling
    9. Excellent or almost over distended The evaluation was made by 2 independent radiology experts. The Distension score is the sum of the grades in each sub-segment from both evaluations and hence range from 10 to 90.

    Measured: Day 1

  3. Diagnostic Ability When Examining Abdominal CT

    Diagnostic ability when examining Abd-CT was assessed on the CT-scan by the 2 investigators independently of each other.

    The following features were assessed:

    • Small bowel appearance
    • Parenchymal organs, i.e. Pancreas, ovaries, urinary bladder
    • Mesenterium and omentum using a Likert scales of 1-9 ranging, where: 1.Impossible to observe details
    1. Medium
    2. Excellent resolution

    The evaluation was made by 2 independent radiology experts. The Diagnostic ability score is the sum of the scores of each feature from both evaluations and hence range from 6 to 54.

    Measured: Day 1

  4. Degradation of Contrast Agent (Lumentin® 44)

    Degradation of Lumentin 44 was founded on the 2 characteristics; coalescence and syneresis or drainage.

    Coalescence:

    1. No bubbles visually detectable at the CT-scan
    2. Bubbles visually detectable at the CT-scan

    Syneresis or drainage:

    1. No syneresis or drainage, i.e. separation of air and liquid phases, observed
    2. Syneresis or drainage observed Signs of degradation were assessed on the CT-scan, by both Investigator and Sub-Investigator, independently of each other, in each of the 5 selected sub-segments of the small bowel.

    The degradation of contrast agents score is the sum of the scores in each sub-segment and range from 0 to 10.

    Measured: Day 1

  5. Subjects' Assessment of Taste of the Contrast Agent

    The subjects assessed taste on a five degree-scale:

    1. Very negative
    2. Negative
    3. Neutral
    4. Positive
    5. Very positive

    Measured: Day 1

  6. Subjects' Assessment of Smell of the Contrast Agent

    The subjects assessed taste on a five degree-scale:

    1. Very negative
    2. Negative
    3. Neutral
    4. Positive
    5. Very positive

    Measured: Day 1

  7. Subjects' Assessment of Consistency of the Contrast Agent

    The subjects assessed taste on a five degree-scale:

    1. Very negative
    2. Negative
    3. Neutral
    4. Positive
    5. Very positive

    Measured: Day 1

  8. Subjects' Assessment of Ability to Swallow the Contrast Agent

    The subjects assessed taste on a five degree-scale:

    1. Very negative
    2. Negative
    3. Neutral
    4. Positive
    5. Very positive

    Measured: Day 1

  9. Subjects' Assessment of Fullness After Drinking the Contrast Agent

    The subjects assessed taste on a five degree-scale:

    1. Very negative
    2. Negative
    3. Neutral
    4. Positive
    5. Very positive

    Measured: Day 1

Timeline

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

  1. First posted31 Oct 2017
  2. Study start28 Nov 2017
  3. Primary completion30 Sep 2018
  4. Study completion15 Feb 2019

Why it stopped: Primary objective reached

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 2
Primary purpose
Diagnosis
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
45 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03326518
Sponsor's protocol ID
LUM-001
Status last verified
May 2020
First submitted
17 Oct 2017
Last updated
27 Oct 2020
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Leander P, Stathis G, Casal-Dujat L, Boman K, Adnerhill I, Marsal J, Book O, Fork T. A novel food-based negative oral contrast agent compared with two conventional oral contrast agents in abdominal CT: a three-arm parallel blinded randomised controlled single-centre trial. Eur Radiol Exp. 2022 Apr 5;6(1):15. doi: 10.1186/s41747-022-00267-z.

    PubMed 35378633

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Lumentin® 44, Diluted Omnipaque® and Movprep® in people with Subjects Referred to CT-examination of the Abdomen, run by Lument AB at 1 site in Sweden.

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 2 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: stopped early, as of the sponsor's last update on 27 Oct 2020. 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 Sweden. 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.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 27 Oct 2020). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Relative Mean Difference in Contrast Density (time frame: Day 1). 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 NCT03326518, 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 27 Oct 2020.

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