- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01186263
Predictive Value of 99mTc- Albumin Spheres Before 90Y- SIR Therapy (EXPLOSIVE)
September 3, 2014 updated by: Jens Ricke, University of Magdeburg
Exploratory Study to Assess the Predictive Value of 99mTc-labeled Albumin Spheres for the Intrahepatic Distribution of 90Y SIR Spheres in Patients With Liver Metastases of Colorectal Tumors
The purpose of this study is to assess the predictive value of 99mTechnetium (Tc)- labeled albumin in macroaggregates (MAA) and in microspheres (B20) injected into the common hepatic artery for the distribution of 90Yttrium- Selective Internal Radiotherapy (SIRT)-spheres (SIR- spheres).
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Patients with metastases of colorectal tumors will be included into this study provided that they are scheduled for 90Y SIR spheres therapy for clinical reasons.
Before 90Y SIR spheres therapy, patients will receive a diagnostic examination with injection of MAA (group A) or B20 (group B) into the common hepatic artery to rule out a relevant shunt volume to the lung or other extra-hepatic locations (e.g., stomach) as recommended by the manufacturer.
After the diagnostic scan, therapy with SIR- spheres will be conducted in 2 separate sessions with selective injection of 90Y labeled SIR spheres into the right and left hepatic artery at two separate occasions (routine procedure at the University of Magdeburg, Germany).
In addition, therapeutic sessions will include the selective injection of MAA or B20 into the right / left hepatic artery according to a predefined plan (either alone or as a mixture with the SIR spheres).The intra-hepatic distribution of 90Y labeled SIR spheres will be assessed using "Bremsstrahlen"- Single- Photon- Emission- Computed- Tomography (SPECT)- imaging, the distribution of MAA and B20 will be assessed using SPECT imaging.
Study Type
Interventional
Enrollment (Actual)
24
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Sachsen-Anhalt
-
Magdeburg, Sachsen-Anhalt, Germany, 39120
- Clinic for Radiology and Nuclear Medicine
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 85 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- age: between 18 and 85 years
- if female, postmenopausal or surgically sterilized
- liver metastases of a colorectal tumor in both liver lobes
- scheduled for therapy with 90Y SIR spheres for clinical reasons
- life expectancy longer than 6 months
- willing and able to undergo all study procedures
- having voluntarily provided written and fully informed consent
Exclusion Criteria:
- presenting with a contraindication to 90Y SIR spheres therapy
- variants of the arterial hepatic blood supply which interfere with the objectives of this study (e.g., variants of Michel)
- women who are pregnant, lactating or who are of childbearing potential
- patients being clinically unstable
- uncooperative, in the investigator's opinion
- any contraindication to SIRT treatment
- any concomitant chemotherapy
- shunt to the lung >10%
- shunt to any extrahepatic organ (except the lung)
- having been previously enrolled in this study
- participating in another prospective clinical trial
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 99mTc- labeled albumin macroaggregates (MAA)
Diagnostic MAA- SPECT- imaging.
|
Intraarterial application of 5ml containing 500.000 particles with an activity of 150MBq.
Other Names:
|
Experimental: 99mTc- labeled albumin microspheres (B20)
Diagnostic B20- SPECT- imaging.
|
Intraarterial application of 5ml containing 150.000 particles with an activity of 150 MBq.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of liver volume for which the accumulation of SIR spheres was correctly predicted by the preceding Tc-99m MAA scintigraphy
Time Frame: Tc-99m MAA scan one day prior to radioembolisation; Bremsstahlen-Scan after SIR spheres therapy
|
The percentage in liver volume for which the accumulation of SIR spheres during therapy was correctly predicted by Tc-99m MAA will be given by a blinded reader in categories by visual assessment (0-10%, >10-20%, >20-30%, …, >90-100%) (only patients who received Tc-99m MAA during evaluation.)
|
Tc-99m MAA scan one day prior to radioembolisation; Bremsstahlen-Scan after SIR spheres therapy
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of liver volume for which the accumulation of SIR spheres was correctly predicted by the preceding Tc-99m B20 scintigraphy
Time Frame: Tc-99m B20 scan one day prior to radioembolisation; Bremsstahlen-Scan after SIR spheres therapy
|
The percentage in liver volume for which the accumulation of SIR spheres during therapy was correctly predicted by B20 will be given by a blinded reader in categories by visual assessment (0-10%, >10-20%, >20-30%, …, >90-100%) (only patients who received Tc-99m B20 during evaluation.)
|
Tc-99m B20 scan one day prior to radioembolisation; Bremsstahlen-Scan after SIR spheres therapy
|
Pharmacokinetic parameters of the intrahepatic distribution of MAA and B20.
Time Frame: One day prior to SIRT
|
elimination half-life calculated in [min] from the decay-corrected radioactivity concentration measured over the liver; % radioactivity trapped in the liver at the individual measuring time points (of total radioactivity measured over the liver in the first scan); percent lung shunt (percentage of liver activity leaking to the lung at the individual time points)
|
One day prior to SIRT
|
Adverse events as elicited upon indirect questioning.
Time Frame: At any visit.
|
Number of patients with adverse events (AEs), number of AEs per patient; descriptive listing of all AEs
|
At any visit.
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Jens Ricke, Prof. Dr., University of Magdeburg, Faculty for Medicine
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
July 1, 2010
Primary Completion (Actual)
July 1, 2011
Study Completion (Actual)
August 1, 2013
Study Registration Dates
First Submitted
July 23, 2010
First Submitted That Met QC Criteria
August 20, 2010
First Posted (Estimate)
August 23, 2010
Study Record Updates
Last Update Posted (Estimate)
September 4, 2014
Last Update Submitted That Met QC Criteria
September 3, 2014
Last Verified
September 1, 2014
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- RAD050
- 2008-005609-21 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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