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NCT03326518

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

Terminated Phase 2 Results posted Last updated 27 October 2020
What this trial tests

Phase 2 trial testing Lumentin® 44 in Subjects Referred to CT-examination of the Abdomen in 45 participants. Terminated before completion.

Timeline
28 November 2017
Primary endpoint
30 September 2018
15 February 2019

Quick facts

Lead sponsorLument AB
PhasePhase 2
StatusTerminated
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingnone
Primary purposediagnostic
Enrollment45
Start date28 November 2017
Primary completion30 September 2018
Estimated completion15 February 2019
Sites1 location across Sweden

Drugs / interventions tested

Conditions studied

Sponsor

Lument AB — full company profile →

Who can join

18 and older, any sex, with Subjects Referred to CT-examination of the Abdomen. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Relative Mean Difference in Contrast Density Primary · Day 1

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

GroupValue95% CI
Lumentin® 44484.0± 192.4
Diluted Omnipaque®122.1± 81.4
Movprep®64.5± 15.9
Bowel Filling Properties, Extension Secondary · Day 1

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. S

GroupValue95% CI
Lumentin® 4463.0± 21.7
Diluted Omnipaque®61.2± 15.9
Movprep®71.8± 10.6
Bowel Filling Properties, Distension Secondary · Day 1

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 gra

GroupValue95% CI
Lumentin® 4448.1± 18.1
Diluted Omnipaque®47.0± 12.2
Movprep®54.7± 8.6
Diagnostic Ability When Examining Abdominal CT Secondary · Day 1

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 5\. Medium 9\. 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.

GroupValue95% CI
Lumentin® 4443.1± 4.8
Diluted Omnipaque®39.9± 5.9
Movprep®41.4± 4.4
Degradation of Contrast Agent (Lumentin® 44) Secondary · Day 1

Degradation of Lumentin 44 was founded on the 2 characteristics; coalescence and syneresis or drainage. Coalescence: 0\. No bubbles visually detectable at the CT-scan 1\. Bubbles visually detectable at the CT-scan Syneresis or drainage: 0\. No syneresis or drainage, i.e. separation of air and liquid phases, observed 1\. 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

GroupValue95% CI
Lumentin® 440.647± 0.996
Subjects' Assessment of Taste of the Contrast Agent Secondary · Day 1

The subjects assessed taste on a five degree-scale: 1. Very negative 2. Negative 3. Neutral 4. Positive 5. Very positive

GroupValue95% CI
Lumentin® 444.03.0 – 5.0
Diluted Omnipaque®4.03.0 – 5.0
Movprep®2.51.0 – 4.0
Subjects' Assessment of Smell of the Contrast Agent Secondary · Day 1

The subjects assessed taste on a five degree-scale: 1. Very negative 2. Negative 3. Neutral 4. Positive 5. Very positive

GroupValue95% CI
Lumentin® 444.03.0 – 5.0
Diluted Omnipaque®4.03.0 – 5.0
Movprep®3.02.0 – 5.0
Subjects' Assessment of Consistency of the Contrast Agent Secondary · Day 1

The subjects assessed taste on a five degree-scale: 1. Very negative 2. Negative 3. Neutral 4. Positive 5. Very positive

GroupValue95% CI
Lumentin® 443.02.0 – 4.0
Diluted Omnipaque®4.03.0 – 5.0
Movprep®3.02.0 – 4.0
Subjects' Assessment of Ability to Swallow the Contrast Agent Secondary · Day 1

The subjects assessed taste on a five degree-scale: 1. Very negative 2. Negative 3. Neutral 4. Positive 5. Very positive

GroupValue95% CI
Lumentin® 443.02.0 – 4.0
Diluted Omnipaque®5.02.0 – 5.0
Movprep®3.01.0 – 5.0
Subjects' Assessment of Fullness After Drinking the Contrast Agent Secondary · Day 1

The subjects assessed taste on a five degree-scale: 1. Very negative 2. Negative 3. Neutral 4. Positive 5. Very positive

GroupValue95% CI
Lumentin® 442.01.0 – 4.0
Diluted Omnipaque®3.02.0 – 4.0
Movprep®3.01.0 – 5.0

Adverse events — posted to ClinicalTrials.gov

Time frame: 1 day. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Lumentin® 44
Serious: 0/18 (0%)
Deaths: 0/18
Diluted Omnipaque®
Serious: 0/12 (0%)
Deaths: 0/12
Movprep®
Serious: 0/14 (0%)
Deaths: 0/14
Other adverse events (8 terms — click to expand)

ReactionSystemLumentin® 44Diluted Omnipaque®Movprep®
DiarrhoeaGastrointestinal disorders
FlatulenceGastrointestinal disorders
Abdominal pain upperGastrointestinal disorders
NauseaGastrointestinal disorders
ChillsGeneral disorders
Abdominal distensionGastrointestinal disorders
EructationGastrointestinal disorders
Rectal haemorrhageGastrointestinal disorders

Data from ClinicalTrials.gov NCT03326518 adverse events section.

Sponsor's own description

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.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

  1. 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.
    Leander P, Stathis G, Casal-Dujat L, Boman K, et al · · 2022 · PMID 35378633 · DOI 10.1186/s41747-022-00267-z

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