Trial Outcomes & Findings for SH L 562BB Phase II/III Dose Justification and Gadoteridol-controlled Comparative Study (NCT NCT00522951)

NCT ID: NCT00522951

Last Updated: 2017-08-28

Results Overview

Number of metastatic lesions (unenhanced and enhanced) per participant detected on postcontrast Magnetic resonance (MR) images by averaged blinded reader and investigator

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

165 participants

Primary outcome timeframe

one day

Results posted on

2017-08-28

Participant Flow

A total of 175 participants were enrolled into the study. 10 were withdrawn from the study before entering Study Period 1. Safety Analysis Set included 164 participants; gadobutrol=161, ProHance=162. Per Protocol Set (PPS) included 151 participants.

Participant milestones

Participant milestones
Measure
Gadobutrol Then Gadoteridol
Participants who received two injections of gadobutrol 0.1 mmol/kg body weight (bw) in Period 1, and two injections of gadoteridol 0.1 mmol/kg bw in Period 2
Gadoteridol Then Gadobutrol
Participants who received two injections of gadoteridol 0.1 mmol/kg body weight (bw) in Period 1, and two injections of gadobutrol 0.1 mmol/kg bw in Period 2
Period 1
STARTED
86
79
Period 1
Received Treatment
86
78
Period 1
COMPLETED
86
78
Period 1
NOT COMPLETED
0
1
Washout Period
STARTED
86
78
Washout Period
COMPLETED
86
76
Washout Period
NOT COMPLETED
0
2
Period 2
STARTED
86
76
Period 2
Subjects Received Treatment
84
75
Period 2
COMPLETED
84
75
Period 2
NOT COMPLETED
2
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Gadobutrol Then Gadoteridol
Participants who received two injections of gadobutrol 0.1 mmol/kg body weight (bw) in Period 1, and two injections of gadoteridol 0.1 mmol/kg bw in Period 2
Gadoteridol Then Gadobutrol
Participants who received two injections of gadoteridol 0.1 mmol/kg body weight (bw) in Period 1, and two injections of gadobutrol 0.1 mmol/kg bw in Period 2
Period 1
body motion
0
1
Washout Period
Adverse Event
0
1
Washout Period
Death
0
1
Period 2
Withdrawal by Subject
1
0
Period 2
residual contrast medium
1
1

Baseline Characteristics

SH L 562BB Phase II/III Dose Justification and Gadoteridol-controlled Comparative Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Entire Study Population
n=164 Participants
includes all participants received treatment
Age, Continuous
61.7 years
STANDARD_DEVIATION 11.8 • n=99 Participants
Sex: Female, Male
Female
74 Participants
n=99 Participants
Sex: Female, Male
Male
90 Participants
n=99 Participants
Height
160.9 cm
STANDARD_DEVIATION 8.7 • n=99 Participants
Body weight
56.7 kg
STANDARD_DEVIATION 12.2 • n=99 Participants
Primary focus
Lung cancer
123 participants
n=99 Participants
Primary focus
Breast cancer
20 participants
n=99 Participants
Primary focus
Others
21 participants
n=99 Participants

PRIMARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Number of metastatic lesions (unenhanced and enhanced) per participant detected on postcontrast Magnetic resonance (MR) images by averaged blinded reader and investigator

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=151 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=151 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
n=151 Participants
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Number of Lesions Detected by Blinded Readers (BR) and Investigator
averaged blinded reader
6.28 lesions
Standard Deviation 8.31
6.92 lesions
Standard Deviation 8.69
6.87 lesions
Standard Deviation 8.65
Number of Lesions Detected by Blinded Readers (BR) and Investigator
investigator
6.36 lesions
Standard Deviation 8.26
6.87 lesions
Standard Deviation 8.49
6.66 lesions
Standard Deviation 8.41

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Degree of contrast enhancement for each lesion on postcontrast MR images using the 4-point scale by averaged blinded reader (Score 1=No, 2=Moderate, 3=Good, 4=Excellent)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=143 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=148 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
n=149 Participants
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Score of Visibility Assessment - Degree of Lesion Contrast Enhancement by Blinded Reader
3.44 scores on a scale
Standard Deviation 0.42
3.54 scores on a scale
Standard Deviation 0.44
3.51 scores on a scale
Standard Deviation 0.49

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Degree of contrast enhancement for each lesion on postcontrast MR images using the 4-point scale by investigator (Score 1=No, 2=Moderate, 3=Good, 4=Excellent)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=143 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=143 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
n=144 Participants
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Score of Visibility Assessment - Degree of Lesion Contrast Enhancement by Investigator
3.16 scores on a scale
Standard Deviation 0.63
3.46 scores on a scale
Standard Deviation 0.55
3.31 scores on a scale
Standard Deviation 0.63

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Border delineation for each lesion on postcontrast MR images using the 4-point scale by averaged blinded reader (Score 1=None, 2=Moderate, 3=Good, 4=Excellent)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=143 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=148 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
n=149 Participants
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Score of Visibility Assessment - Border Delineation by Blinded Reader
3.30 scores on a scale
Standard Deviation 0.46
3.45 scores on a scale
Standard Deviation 0.48
3.36 scores on a scale
Standard Deviation 0.56

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Border delineation for each lesion on postcontrast MR images using the 4-point scale by investigator (Score 1=None, 2=Moderate, 3=Good, 4=Excellent)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=143 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=143 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
n=144 Participants
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Score of Visibility Assessment - Border Delineation by Investigator
3.10 scores on a scale
Standard Deviation 0.70
3.38 scores on a scale
Standard Deviation 0.61
3.22 scores on a scale
Standard Deviation 0.68

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Treatment planning confidence evaluated separately for each image set (gadobutrol \[Gado-\] 0.1 mmol/kg bw and gadoteridol \[Pro-\] 0.2 mmol/kg) by TPE (category: not confident, confident, and not assessable)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=151 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Treatment Planning Experts (TPE)
Gado-not confident, Pro-not confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Treatment Planning Experts (TPE)
Gado-not confident, Pro-confident
2 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Treatment Planning Experts (TPE)
Gado-not confident, Pro-not assessable
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Treatment Planning Experts (TPE)
Gado-confident, Pro-not confident
1 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Treatment Planning Experts (TPE)
Gado-confident, Pro-confident
148 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Treatment Planning Experts (TPE)
Gado-confident, Pro-not assessable
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Treatment Planning Experts (TPE)
Gado-not assessable, Pro-not confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Treatment Planning Experts (TPE)
Gado-not assessable, Pro-confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Treatment Planning Experts (TPE)
Gado-not assessable, Pro-not assessable
0 participants

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Treatment planning confidence evaluated separately for each image set (gadobutrol 0.1 mmol/kg bw and gadoteridol 0.2 mmol/kg) by investigator (category: not confident, confident, and not assessable)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=151 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not confident, Pro-not confident
1 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not confident, Pro-confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not confident, Pro-not assessable
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-confident, Pro-not confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-confident, Pro-confident
149 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-confident, Pro-not assessable
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not assessable, Pro-not confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not assessable, Pro-confident
1 participants
Treatment Planning Confidence - Gadobutrol 0.1 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not assessable, Pro-not assessable
0 participants

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Treatment planning confidence evaluated separately for each image set (gadobutrol 0.2 mmol/kg bw and gadoteridol 0.2 mmol/kg) by TPE (category: not confident, confident, and not assessable)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=151 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by TPE
Gado-not confident, Pro-not confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by TPE
Gado-not confident, Pro-confident
1 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by TPE
Gado-not confident, Pro-not assessable
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by TPE
Gado-confident, Pro-not confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by TPE
Gado-confident, Pro-confident
150 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by TPE
Gado-confident, Pro-not assessable
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by TPE
Gado-not assessable, Pro-not confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by TPE
Gado-not assessable, Pro-confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by TPE
Gado-not assessable, Pro-not assessable
0 participants

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Treatment planning confidence evaluated separately for each image set (gadobutrol 0.2 mmol/kg bw and gadoteridol 0.2 mmol/kg) by investigator (category: not confident, confident, and not assessable)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=151 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not confident, Pro-not confident
1 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not confident, Pro-confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not confident, Pro-not assessable
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-confident, Pro-not confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-confident, Pro-confident
149 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-confident, Pro-not assessable
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not assessable, Pro-not confident
0 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not assessable, Pro-confident
1 participants
Treatment Planning Confidence - Gadobutrol 0.2 mmol/kg bw vs. Gadoteridol (ProHance) 0.2 mmol/kg bw by Investigator
Gado-not assessable, Pro-not assessable
0 participants

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), whose images were assessed as "confident in treatment planning" with gadobutrol and ProHance, and who were assessed as applicable for SRS, and had valid data for this Outcome Measure

Comparison of overall image quality for SRS treatment planning between gadobutrol and gadoteridol by TPE

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=65 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=62 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Number of Participants With Performance in Stereotactic Radiosurgery (SRS) Planning by TPE
Gadobutrol was better than ProHance
26 participants
22 participants
Number of Participants With Performance in Stereotactic Radiosurgery (SRS) Planning by TPE
ProHance was better than gadobutrol
15 participants
10 participants
Number of Participants With Performance in Stereotactic Radiosurgery (SRS) Planning by TPE
Both image sets were comparable
24 participants
30 participants

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), whose images were assessed as "confident in treatment planning" with gadobutrol and ProHance, and who were assessed as applicable for SRS, and had valid data for this Outcome Measure

Comparison of overall image quality for SRS treatment planning between gadobutrol and gadoteridol by investigator

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=88 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=88 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Number of Participants With Performance in Stereotactic Radiosurgery (SRS) Planning by Investigator
Gadobutrol was better than ProHance
9 participants
24 participants
Number of Participants With Performance in Stereotactic Radiosurgery (SRS) Planning by Investigator
ProHance was better than gadobutrol
21 participants
5 participants
Number of Participants With Performance in Stereotactic Radiosurgery (SRS) Planning by Investigator
Both image sets were comparable
58 participants
59 participants

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), whose images were assessed as "confident in treatment planning" with gadobutrol and ProHance, and who were assessed as applicable for SRS, and had valid data for this Outcome Measure

Reasons for comparison results of overall image quality for SRS treatment planning between gadobutrol and gadoteridol by investigator (multiple answers applicable)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=65 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=62 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Number of Participants With Reasons for Performance in SRS Planning by TPE
Gadobutrol was better: newly detected lesions
2 participants
5 participants
Number of Participants With Reasons for Performance in SRS Planning by TPE
Gadobutrol was better: lesion size exceeds limit
1 participants
0 participants
Number of Participants With Reasons for Performance in SRS Planning by TPE
Gadobutrol better: newly treatable lesions
5 participants
3 participants
Number of Participants With Reasons for Performance in SRS Planning by TPE
Gadobutrol was better: extended radiation area
8 participants
5 participants
Number of Participants With Reasons for Performance in SRS Planning by TPE
Gadobutrol was better: clarified radiation area
15 participants
11 participants
Number of Participants With Reasons for Performance in SRS Planning by TPE
ProHance was better: newly detected lesions
4 participants
1 participants
Number of Participants With Reasons for Performance in SRS Planning by TPE
ProHance was better: lesion size exceeds the limit
1 participants
0 participants
Number of Participants With Reasons for Performance in SRS Planning by TPE
ProHance was better: newly treatable lesions
4 participants
2 participants
Number of Participants With Reasons for Performance in SRS Planning by TPE
ProHance was better: extended radiation area
3 participants
5 participants
Number of Participants With Reasons for Performance in SRS Planning by TPE
ProHance was better: clarified radiation area
8 participants
3 participants

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), whose images were assessed as "confident in treatment planning" with gadobutrol and ProHance, and who were assessed as applicable for SRS, and had valid data for this Outcome Measure

Reasons for comparison results of overall image quality for SRS treatment planning between gadobutrol and gadoteridol by investigator (multiple answers applicable)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=88 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=88 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Number of Participants With Reasons for Performance in SRS Planning by Investigator
Gadobutrol better: newly treatable lesions
2 participants
8 participants
Number of Participants With Reasons for Performance in SRS Planning by Investigator
Gadobutrol was better: extended radiation area
0 participants
1 participants
Number of Participants With Reasons for Performance in SRS Planning by Investigator
Gadobutrol was better: clarified radiation area
6 participants
17 participants
Number of Participants With Reasons for Performance in SRS Planning by Investigator
Gadobutrol was better: other
1 participants
1 participants
Number of Participants With Reasons for Performance in SRS Planning by Investigator
ProHance was better: newly treatable lesions
11 participants
3 participants
Number of Participants With Reasons for Performance in SRS Planning by Investigator
ProHance was better: extended radiation area
1 participants
0 participants
Number of Participants With Reasons for Performance in SRS Planning by Investigator
ProHance was better: clarified radiation area
8 participants
2 participants
Number of Participants With Reasons for Performance in SRS Planning by Investigator
ProHance was better: other
3 participants
0 participants

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

Size of each lesion on postcontrast MR images evaluated by independent radiologist (mean and standard deviation of 603 lesions)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=151 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=151 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
n=151 Participants
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Lesion Size Evaluated by Independent Radiologist
8.79 mm
Standard Deviation 8.06
9.07 mm
Standard Deviation 8.19
8.83 mm
Standard Deviation 8.02

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

CNR of lesion/normal white matter based on the signal intensity of MR images evaluated by independent radiologist (mean and standard deviation of 306 lesions)

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=151 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=151 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
n=151 Participants
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Contrast Noise Ratio (CNR) of Lesions Evaluated by Independent Radiologist
36.74 CNR
Standard Deviation 47.82
60.09 CNR
Standard Deviation 67.40
53.01 CNR
Standard Deviation 56.20

SECONDARY outcome

Timeframe: one day

Population: Participants without a major protocol deviation or conditions that could affect his or her efficacy evaluation (Per Protocol Set), with valid data for this Outcome Measure.

ICC among 3 blinded readers calculated for number of detected lesions using the statistical model with two random effects, i.e., blinded readers and individual patients.

Outcome measures

Outcome measures
Measure
Gadobutrol 0.1 mmol/kg bw
n=151 Participants
Participants received first injection (intravenous \[i.v.\]) of gadobutrol 0.1 mmol/kg body weight (bw), corresponding to a dose of 0.1 mmol/kg bw
Gadobutrol 0.2 mmol/kg bw
n=151 Participants
Participants received second injection (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Gadoteridol (ProHance) 0.2mmol/kg bw
n=151 Participants
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw. The interval of two bolus injections is 13-15 min
Intraclass Correlation Coefficient (ICC) Among 3 Blinded Readers on the Number of Detected Lesions
0.963 ICC
0.955 ICC
0.949 ICC

Adverse Events

Gadobutrol Period

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

ProHance Period

Serious events: 2 serious events
Other events: 9 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Gadobutrol Period
n=161 participants at risk
Participants received two injections (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw.
ProHance Period
n=162 participants at risk
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw.
General disorders
General physical health deterioration
0.00%
0/161
0.62%
1/162
Hepatobiliary disorders
Bile duct stone
0.00%
0/161
0.62%
1/162

Other adverse events

Other adverse events
Measure
Gadobutrol Period
n=161 participants at risk
Participants received two injections (i.v.) of gadobutrol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw.
ProHance Period
n=162 participants at risk
Participants received two injections (i.v.) of gadoteridol 0.1 mmol/kg bw, corresponding to a total dose of 0.2 mmol/kg bw.
Gastrointestinal disorders
Nausea
0.00%
0/161
1.2%
2/162
Gastrointestinal disorders
Vomiting
0.62%
1/161
1.2%
2/162
Investigations
Glucose urine present
0.00%
0/161
1.2%
2/162
Nervous system disorders
Headache
0.00%
0/161
1.2%
2/162
Skin and subcutaneous tissue disorders
Rash
0.62%
1/161
1.2%
2/162

Additional Information

Therapeutic Area Head

BAYER

Results disclosure agreements

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

Restriction type: GT60