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ACTIVE NOT RECRUITING
NCT04720326
PHASE4

Bioavailability and Practicability of Envarsus Versus Advagraf in Liver Transplant Recipients

Sponsor: Edward Geissler

View on ClinicalTrials.gov

Summary

Trial participants are randomised within 14 days after liver transplantation surgery in a 1:1 ratio to two alternative treatment arms containing either Envarsus® (test arm) or Advagraf® (comparator arm) as first-line calcineurin inhibitor within a standard-of-care immunosuppressive regimen. Tacrolimus blood trough levels and drug doses are monitored at regular intervals to assess drug bioavailability and the ease and accuracy of achieving the targeted blood concentration range. Dose-normalised trough level (concentration/dose ratio) is measured at 12 weeks post-randomisation as an estimate of tacrolimus bioavailability. It is hypothesised that treatment with Envarsus® will confer a superior (higher) C/D ratio after 12 weeks of therapy owing to the superior bioavailability of this galenic drug formulation (proprietary MeltDose® technology). To test whether an elevated C/D ratio is also associated with improved clinical outcomes, a range of other pharmacokinetic, efficacy and safety variables are evaluated at 10 study visits spanning a period of 3 years.

Official title: Multicentre, Open-Label, Randomised, Two-Arm, Parallel-Group, Superiority Study to Assess Bioavailability and Practicability of Envarsus® Compared With Advagraf® in de Novo Liver Transplant Recipients (EnGraft)

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

268

Start Date

2020-12-23

Completion Date

2026-10

Last Updated

2025-04-06

Healthy Volunteers

No

Interventions

DRUG

Tacrolimus Pill

Envarsus® tablets dosed to achieve and maintain whole blood trough levels of tacrolimus within a patient-specific therapeutic range (interval of 3 ng/ml) that lies within a wider reference range of 3-12 ng/ml.

DRUG

Tacrolimus capsule

Advagraf® capsules dosed to achieve and maintain whole blood trough levels of tacrolimus within a patient-specific therapeutic range (interval of 3 ng/ml) that lies within a wider reference range of 3-12 ng/ml.

Locations (15)

University Hospital Aachen

Aachen, Germany

Charite - University Medicine Berlin

Berlin, Germany

University Hospital Essen

Essen, Germany

University Hospital Frankfurt

Frankfurt, Germany

University Hospital Hamburg Eppendorf

Hamburg, Germany

Hannover Medical School

Hanover, Germany

University Hospital Heidelberg

Heidelberg, Germany

University Hospital Jena

Jena, Germany

University Hospital Schleswig-Holstein - Campus Kiel

Kiel, Germany

University Hospital Leipzig

Leipzig, Germany

University Hospital Magdeburg

Magdeburg, Germany

University Hospital Mainz

Mainz, Germany

University Hospital Muenster

Münster, Germany

University Hospital Regensburg

Regensburg, Germany

University Hospital Tuebingen

Tübingen, Germany