An observational study in Liver Failure, Liver Cirrhosis and Liver Transplant Disorder, sponsored by Region Stockholm. Not yet recruiting. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-01-13.
Sponsored by Region Stockholm · Observational
The overall goal is to describe the oxidation state of albumin before, during and after liver transplantation. This is a pilot observational study in which the oxidative state in 10 patients undergoing liver transplantation will be described. Samples for analysing the oxidation state of albumin, general oxidative damage and anti-oxidant state, the activation of the complement system and factors involved in coagulation will be obtained before transplantation, before and after reperfusion of the portal vein and on postop days 1, 2 and about 30.
190 studies on the registry are indexed under Liver Failure; 33 are open to participants now.
This study's planned enrollment of 10 is below the median of 129 across 66 observational studies indexed under Liver Failure.
Browse Liver Failure studies →Region Stockholm is the lead sponsor of 121 studies on the registry; 69 are open to participants now.
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Patient that are accepted for liver transplantation and put on the waiting list will be included
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Albumin quality
Describe potential qualitative changes in albumin during the liver transplantation procedure. Non-oxidised, single oxidised and double oxidised albumin will be analysed by HPLC.
Time frame: Before transplantation, before and after reperfusion of the portal vein and on postop days 1, 2 and about 30.
Effect of clinical factors on albumin quality before transplantation
Explore the impact of different clinical factors on albumin's oxidative state before transplantation. For this a multiple regression model will be used including clinical parameters; sex (male or female), age (years), and MELD (Model for end-stage liver disease).
Time frame: Before transplantation.
Effect of clinical factors on albumin quality after transplantation
Explore the impact of different clinical factors on albumin's oxidative state after transplantation. For this a multiple regression model will be used including clinical parameters; sex (male or female), age (years), MELD (Model for end-stage liver disease), bleeding during surgery (in liters), time of surgery (hours).
Time frame: On postop days 1, 2 and about 30.
Graft outcome in relation to albumin quality
Explore of the oxidation state of albumin (percentage of albumin that is oxidised) is correlated with graft function (bilirubin levels in mg/L)
Time frame: At days 1, 2 and about 30 days after transplantation
Oxidative stress in relation to albumin quality
Explore is the oxidation state of albumin (percentage of albumin oxidised) is related to a general oxidative state measured by TBARS (Thiobarbituric acid reactive substances) measured as MDA (malondialdehydes) in nmol/ml.
Time frame: Before transplantation, before and after reperfusion of the portal vein and on postop days 1, 2 and about 30.
Anti-oxidant capacity in relation to albumin quality
Explore is the oxidation state of albumin (percentage of albumin oxidised) is related to the total anti-oxidant capacity measured a the ability of the sample to reduce ferric ions (Fe3+) to ferrous ions (Fe2+) using a phenanthroline substance.
Time frame: Before transplantation, before and after reperfusion of the portal vein and on postop days 1, 2 and about 30.
Binding capacity
Explore whether the oxidation state of albumin (percentage of albumin oxidised) is affecting albumin's binding capacity measured by the ability of albumin in the sample to bind cobalt (mg/ml).
Time frame: Before transplantation, before and after reperfusion of the portal vein and on postop days 1, 2 and about 30.
Complement system
Explore how the complement system (C3bc in mg/ml) is affected during liver transplantation and how this is related to albumin quality (percentage of albumin oxidised)
Time frame: Before transplantation, before and after reperfusion of the portal vein and on postop days 1, 2 and about 30.
Complement system
Explore how the complement system (terminal complement complex in mg/ml) is affected during liver transplantation and how this is related to albumin quality (percentage of albumin oxidised)
Time frame: Before transplantation, before and after reperfusion of the portal vein and on postop days 1, 2 and about 30.
Coagulation
Explore how coagulation (Thrombin-antithrombin complex in microgram/ml) is affected during liver transplantation and how this is related to albumin quality (percentage albumin oxidised)
Time frame: Before transplantation, before and after reperfusion of the portal vein and on postop days 1, 2 and about 30.
No study locations are listed for this record.
Plan to share: Undecided — Data might be shared on special request of researchers
No publications or documents are linked to this record.
This study is not yet recruiting, as verified in May 2024. You cannot join it, but the record below documents what was studied.
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