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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT03758352
Other study ID # TRSPLNT001
Secondary ID
Status Withdrawn
Phase N/A
First received
Last updated
Start date April 2020
Est. completion date November 2022

Study information

Verified date October 2020
Source Rigshospitalet, Denmark
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Ischemia and reperfusion injury is unavoidable during a liver transplantation. Remote ischemic preconditioning, a safe and feasible method, has previously been shown to reduce ischemia and reperfusion injury. In the transplantation setting, focus of remote ischemic preconditioning has been on the donor. However, preconditioning of the recipient may be a better approach due to the mechanisms by which ischemic preconditioning protects against ischemia and reperfusion injury.

The aim of this randomised, double-blinded clinical trial is to biochemically assess the liver function after application of remote ischemic preconditioning on the recipient.


Description:

Background The use of solid organ transplantation, including liver transplantation, is the golden standard for many end-stage solid organ diseases. Ischemia and reperfusion injury is unavoidable during a liver transplantation. Remote ischemic preconditioning, a safe and feasible method, has previously been shown to reduce ischemia and reperfusion injury. This may have a similar effect in a liver transplantation setting. In the transplantation setting, focus of remote ischemic preconditioning has been on the donor. However, preconditioning of the recipient may be a better approach due to the mechanisms by which ischemic preconditioning protects against ischemia and reperfusion injury.

The aim of this randomised, double-blinded clinical trial is to biochemically assess the liver function after application of remote ischemic preconditioning on the recipient.

Methods 52 patients undergoing a liver transplantation, included in accordance to the inclusion criteria, will be allocated to an intervention group (rIC-group) and compared to a retrospective non-intervention control group (non-rIC group) consisting of 52 patients. Patients in the non-intervention group will also be included in accordance to the inclusion criteria. Within two hours before surgery, patients in the intervention group will be subjected to four rounds of five-minute inflations and five-minute deflations of a pneumatic tourniquet applied on the right leg.

Follow-up time will be 30 days.

Measurements The aim of this trial is to assess the effect of remote ischemic preconditioning on the extent of liver injury and inflammation as a result of ischemia and reperfusion injury. Assessment will be done by measurement of biomarkers relevant to liver function and liver injury.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date November 2022
Est. primary completion date June 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Patients undergoing liver transplantation

- Patients aged 18 or above

- Patients who have given an informed consent

Exclusion Criteria:

- Patients undergoing re-transplantation.

- Patients who do not or cannot give an informed consent.

- Patients who have undergone surgery six weeks prior to liver transplantation.

- Patients with known peripheral vascular disease.

- Patients with an infection localized to the area of rIC-intervention

- Patients with at a high risk or with previous history of multiple thrombo-embolic diseases.

- Patients undergoing active immunosuppressive therapy

Study Design


Intervention

Procedure:
remote ischemic preconditioning (rIC)
Short intermittent peripheral occlusions and reperfusions of the blood flow in the right lower extremity with the help of a tourniquet.
Other:
non remote ischemic preconditioning (non-rIC)
Retrospective group who have not undergone intervention.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Rigshospitalet, Denmark

References & Publications (1)

Farooqui W, Pommergaard HC, Rasmussen A. Remote ischemic preconditioning of transplant recipients to reduce graft ischemia and reperfusion injuries: A systematic review. Transplant Rev (Orlando). 2018 Jan;32(1):10-15. doi: 10.1016/j.trre.2017.06.001. Epub 2017 Jun 15. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other Complication rate Rate of post-operative complications Follow-up on day 30
Other Days in ICU (Intensive Care Unit) Length of post-operative stay in ICU Follow-up on day 30
Other Total length of hospital-stay Follow-up on day 30
Primary Post-operative change in ALT Extent of liver injury measured as change in ALT postoperative from day zero to day four . Day 0-4
Secondary Post-operative change in Aspartate Amonitransferase Serological markers of liver function Day 0-4
Secondary Post-operative change in Bilirubin Serological markers of liver function Day 0-4
Secondary Post-operative change in Alkaline Phosphatase Serological markers of liver function Day 0-4
Secondary Post-operative change in International Normalised Ratio Serological markers of liver function Day 0-4
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