- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03995459
Deportalization, Venous Deprivation, Venous Congestion
Deportalization, Venous Deprivation, Venous Congestion: Impact on Liver Volume and Function
Patients with multiple primary or secondary liver tumors have a low survival rate unless they can benefit from curative extended hepatic resections with R0 or R1 marge resection. Post-operative acute liver failure may occur after such surgery when the remnant liver is insufficient, leading to high morbimortality.
The future remnant liver (FRL) preoperative evaluation is then the key consideration before performing extended liver resection. The FRL volume measurement on computed tomography (CT) imaging is the most widespread method of FRL evaluation. Threshold values of acceptable FRL volume depend on the underlying liver function, it ranges from 20-30% in healthy liver to 40% in cirrhotic liver. However, it recently appeared that the FRL function would be more valuable in predicting post-operative liver failure. 99mTc-mebrofenin hepatobiliary scintigraphy (HBS) combined with SPECT/CT enables reliable FRL function measurement with a threshold value calculated at 2.69%/min/m2, to predict post-hepatectomy liver failure.
When the FRL evaluation does not reach the acceptable threshold values to avoid liver failure, portal vein embolization (PVE), consisting of portal branches occlusion of the future removed liver, can be performed. It is now the standard of care to induce FRL regeneration before surgery. Right PVE induces right hemiliver (S5-8) deportalization (portal input deprivation with hepatic venous drainage preservation) leading to left hemiliver (S2-4) regeneration.
To optimize PVE results, recent effective techniques have been developed such as the simultaneous embolization of the right portal branch and the right hepatic vein (HV), and the right accessory HV if so, which is called liver venous deprivation technique. Additional simultaneous embolization of the middle HV defined the extended liver venous deprivation (ELVD) technique. ELVD induces right liver (S5-8) venous deprivation (deprivation of both portal input and venous drainage) and leads to rapid increase in FRL function. After ELVD, segment IV (S4) portal input from left portal branch is preserved while its venous drainage through the middle HV is disrupted, resulting in venous congestion.
The aim of this study is to analyze the volumetric and functional evolutions after embolization procedures in deportalized liver (S5-8 after PVE), vein-deprived liver (S5-8 after ELVD) and congestive liver (S4 after ELVD).
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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-
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Montpellier, France, 34295
- Uhmontpellier
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion criteria:
- Age > or = 18 years
- primary or secondary liver tumor(s)
- major hepatectomy approved by multidisciplinary tumor meeting
- small FRL (baseline FLR <2.69%/min/m2)
Exclusion criteria:
- liver fibrosis / cirrhosis
- biliary obstruction
Study Plan
How is the study designed?
Design Details
- Observational Models: Other
- Time Perspectives: Retrospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline liver volume
Time Frame: day 7, day 14 and day 21
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1. Change from baseline liver volume (expressed in mL, assessed by manual regional volumetric measurements on CT) in the deportalized liver, the vein deprived liver and the congestive liver at day 7, day 14 and day 21.
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day 7, day 14 and day 21
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Evolution from baseline of liver volume and liver function values
Time Frame: 1 day
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Evolution from baseline of liver volume and liver function values in the deportalized liver, the vein deprived liver and the congestive liver respectively : liver function (%/min/m2): assessed by regional measurements on 99mTC-mebrofenin hepatobiliary scintigraphy
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1 day
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evolution from baseline of liver volume and liver function values
Time Frame: day 7, day 14 and day 21
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Evolution from baseline of liver volume and liver function values in the non embolized liver : liver volume (mL): assessed by manual regional volumetric measurements on CT at baseline, day 7, day 14 and day 21
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day 7, day 14 and day 21
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Evolution from baseline of liver volume and liver function values
Time Frame: 1 day
|
Evolution from baseline of liver volume and liver function values in the non embolized liver : liver function (%/min/m2): assessed by regional measurements on 99mTC-mebrofenin hepatobiliary scintigraphy
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1 day
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: BORIS GUIU, PU-PH, University Hospital, Montpellier
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- RECHMPL19_0250
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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