Trial Outcomes & Findings for Iodixanol Versus Iopamidol in Patients Undergoing Contrast-Enhanced Computed Tomographic Imaging of Abdomen/Pelvis (NCT NCT01376089)

NCT ID: NCT01376089

Last Updated: 2013-12-19

Results Overview

Number of subjects experiencing any moderate (score of 4 - 7) to severe (score 8 - 10) discomfort for cold or heat or pain between Iodixanol and Iopamidol.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

304 participants

Primary outcome timeframe

Within 10 minutes post contrast administration

Results posted on

2013-12-19

Participant Flow

A total of 304 subjects were enrolled in this study, however, 5 subjects did not receive contrast media due to administrative and /or technical reason leaving 299 subjects included in the analysis.

A total of 304 subjects were enrolled in this study, however, 5 subjects did not receive contrast media due to administrative and /or technical reason leaving 299 subjects included in the analysis.

Participant milestones

Participant milestones
Measure
Arm 1-Iodixanol
Subjects were injected with Iodixanol (Visipaque).
Arm 2-Iopamidol
Subjects were injected with Iopamidol (Isovue).
Overall Study
STARTED
151
148
Overall Study
COMPLETED
148
144
Overall Study
NOT COMPLETED
3
4

Reasons for withdrawal

Reasons for withdrawal
Measure
Arm 1-Iodixanol
Subjects were injected with Iodixanol (Visipaque).
Arm 2-Iopamidol
Subjects were injected with Iopamidol (Isovue).
Overall Study
Patient received no contrast media
3
4

Baseline Characteristics

Iodixanol Versus Iopamidol in Patients Undergoing Contrast-Enhanced Computed Tomographic Imaging of Abdomen/Pelvis

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Arm 1-Iodixanol
n=151 Participants
Arm 2-Iopamidol
n=148 Participants
Total
n=299 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
91 Participants
n=5 Participants
91 Participants
n=7 Participants
182 Participants
n=5 Participants
Age, Categorical
>=65 years
60 Participants
n=5 Participants
57 Participants
n=7 Participants
117 Participants
n=5 Participants
Age Continuous
57.8 years
STANDARD_DEVIATION 15.23 • n=5 Participants
58.5 years
STANDARD_DEVIATION 15.02 • n=7 Participants
58.1 years
STANDARD_DEVIATION 15.10 • n=5 Participants
Sex: Female, Male
Female
68 Participants
n=5 Participants
80 Participants
n=7 Participants
148 Participants
n=5 Participants
Sex: Female, Male
Male
83 Participants
n=5 Participants
68 Participants
n=7 Participants
151 Participants
n=5 Participants
Region of Enrollment
United States
65 participants
n=5 Participants
62 participants
n=7 Participants
127 participants
n=5 Participants
Region of Enrollment
Germany
45 participants
n=5 Participants
43 participants
n=7 Participants
88 participants
n=5 Participants
Region of Enrollment
Spain
35 participants
n=5 Participants
35 participants
n=7 Participants
70 participants
n=5 Participants
Region of Enrollment
United Kingdom
6 participants
n=5 Participants
8 participants
n=7 Participants
14 participants
n=5 Participants

PRIMARY outcome

Timeframe: Within 10 minutes post contrast administration

Number of subjects experiencing any moderate (score of 4 - 7) to severe (score 8 - 10) discomfort for cold or heat or pain between Iodixanol and Iopamidol.

Outcome measures

Outcome measures
Measure
Arm 1-Iodixanol (Visipaque)
n=151 Participants
Subjects injected with Visipaque contrast media. Number of subjects with any Moderate / Severe discomfort.
Arm 2-Iopamidol (Isovue)
n=147 Participants
Subjects injected with Isovue contrast media. Number of subjects with any Moderate / Severe discomfort.
Frequency of Subjects With Moderate/Severe Discomfort When Undergoing Contrast-Enhanced Computed Tomographic (CECT) Imaging of the Abdomen/Pelvis.
53 Number of Subjects with discomfort
Interval 27.49 to 42.71
99 Number of Subjects with discomfort
Interval 59.77 to 74.93

PRIMARY outcome

Timeframe: Within 10 minutes post contrast administration.

Number of subjects experiencing moderate (score of 4 -7) to severe (score of 8 - 10) discomfort for cold, heat or pain between Iodixanol and Iopamidol.

Outcome measures

Outcome measures
Measure
Arm 1-Iodixanol (Visipaque)
n=151 Participants
Subjects injected with Visipaque contrast media. Number of subjects with any Moderate / Severe discomfort.
Arm 2-Iopamidol (Isovue)
n=147 Participants
Subjects injected with Isovue contrast media. Number of subjects with any Moderate / Severe discomfort.
Frequency of Subjects With Moderate / Severe Discomfort When Undergoing Contrast-Enhanced Computed Tomographic (CECT) Imaging of the Abdomen/Pelvis.
Discomfort of Cold
5 Number of Subjects with discomfort
Interval 0.46 to 6.17
11 Number of Subjects with discomfort
Interval 3.23 to 11.74
Frequency of Subjects With Moderate / Severe Discomfort When Undergoing Contrast-Enhanced Computed Tomographic (CECT) Imaging of the Abdomen/Pelvis.
Discomfort of Heat
45 Number of Subjects with discomfort
Interval 22.51 to 37.1
94 Number of Subjects with discomfort
Interval 56.18 to 71.71
Frequency of Subjects With Moderate / Severe Discomfort When Undergoing Contrast-Enhanced Computed Tomographic (CECT) Imaging of the Abdomen/Pelvis.
Discomfort of Pain
5 Number of Subjects with discomfort
Interval 0.46 to 6.17
3 Number of Subjects with discomfort
Interval 0.0 to 4.33

SECONDARY outcome

Timeframe: Ten minutes post contrast administration.

Overall Image Quality rated as 'Excellent, Adequate or Poor' by radiologists blinded to the contrast administration.

Outcome measures

Outcome measures
Measure
Arm 1-Iodixanol (Visipaque)
n=151 Participants
Subjects injected with Visipaque contrast media. Number of subjects with any Moderate / Severe discomfort.
Arm 2-Iopamidol (Isovue)
n=148 Participants
Subjects injected with Isovue contrast media. Number of subjects with any Moderate / Severe discomfort.
Comparison of Overall Image Quality Between Iodixanol and Iopamidol in Patients Undergoing Contrast-Enhanced Computed Tomographic (CECT) Imaging of the Abdomen/Pelvis.
Image Quality was Poor
0 Number of subject images
1 Number of subject images
Comparison of Overall Image Quality Between Iodixanol and Iopamidol in Patients Undergoing Contrast-Enhanced Computed Tomographic (CECT) Imaging of the Abdomen/Pelvis.
Image Quality was Excellent
144 Number of subject images
133 Number of subject images
Comparison of Overall Image Quality Between Iodixanol and Iopamidol in Patients Undergoing Contrast-Enhanced Computed Tomographic (CECT) Imaging of the Abdomen/Pelvis.
Image Quality was Adequate
7 Number of subject images
14 Number of subject images

Adverse Events

Arm 1-Iodixanol (Visipaque 320mgI/mL)

Serious events: 0 serious events
Other events: 121 other events
Deaths: 0 deaths

Arm 2-Iopamidol (Isovue 370mgI/mL)

Serious events: 1 serious events
Other events: 134 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Arm 1-Iodixanol (Visipaque 320mgI/mL)
n=151 participants at risk
Subjects injected with Visipaque 320mgI/mL contrast media.
Arm 2-Iopamidol (Isovue 370mgI/mL)
n=148 participants at risk
Subject injected with Isovue 370mgI/mL contrast media.
Gastrointestinal disorders
Acute Appendicitis
0.00%
0/151
0.68%
1/148 • Number of events 1

Other adverse events

Other adverse events
Measure
Arm 1-Iodixanol (Visipaque 320mgI/mL)
n=151 participants at risk
Subjects injected with Visipaque 320mgI/mL contrast media.
Arm 2-Iopamidol (Isovue 370mgI/mL)
n=148 participants at risk
Subject injected with Isovue 370mgI/mL contrast media.
Gastrointestinal disorders
Gastrointestinal
6.6%
10/151 • Number of events 10
6.8%
10/148 • Number of events 10
General disorders
General disorder: Feeling Cold
5.3%
8/151 • Number of events 8
5.4%
8/148 • Number of events 8
Nervous system disorders
Nervousness
8.6%
13/151 • Number of events 13
6.1%
9/148 • Number of events 9
General disorders
General Disorders: Feeling Hot
51.0%
77/151 • Number of events 77
62.2%
92/148 • Number of events 92
General disorders
Administration Site Conditions: Injection Site Coldness
3.3%
5/151 • Number of events 5
6.1%
9/148 • Number of events 9
General disorders
Administration Site Conditions: Injection Site Reaction
19.9%
30/151 • Number of events 30
21.6%
32/148 • Number of events 32

Additional Information

Lauren Lim, PharmD

GE Healthcare

Phone: 1-626-356-1937

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place