Pharmacokinetics, Effectiveness and Tolerability of Prolonged-release Tacrolimus After Paediatric Kidney Transplantation

NCT ID: NCT06057545

Last Updated: 2023-09-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE3

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-04-25

Study Completion Date

2025-03-31

Brief Summary

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Recently, a new prolonged-release tablet version of tacrolimus (Envarsus®) using the so-called MeltDose™ (US Patent No. 7,217,431) drug-delivery technology has been approved as immunosuppressive medication for patients after kidney and liver transplantation in adults but not yet in children. Studies in adults proved that Envarsus® provides the same therapeutic effectiveness as the conventional immediate-release tacrolimus formulation (Prograf®) with improved bioavailability, a more consistent pharmacokinetic profile and reduced peak to trough which might result in reduced tacrolimus dosing and subsequently reduced CNI related toxicity. Furthermore, the once daily formulation might result in improved drug adherence.

The aim of this study is to assess pharmacokinetic profiles of Envarsus® as well as effectiveness and tolerability of this drug in children and adolescents ≥ 8 and ≤ 18 years of age.

Detailed Description

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Conditions

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Pediatric Kidney Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Multi-center, prospective, interventional, open-label, randomized, two-phase, two-sequence, single dose, crossover, phase III b
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Group A - Envarsus followed by Prograf

4 weeks treatment sequence 1 (Envarsus) followed by 4 weeks treatment sequence 2 (Prograf)

Group Type EXPERIMENTAL

Envarsus®

Intervention Type DRUG

Treatment sequence: 4 weeks prolonged-release tacrolimus (Envarsus®) once daily

Prograf

Intervention Type DRUG

Treatment sequence: 4 weeks intermediate-release tacrolimus (Prograf®) twice daily

Group B - Prograf followed by Envarsus

4 weeks treatment sequence 2 (Prograf) followed by 4 weeks treatment sequence 1 (Envarsus)

Group Type EXPERIMENTAL

Envarsus®

Intervention Type DRUG

Treatment sequence: 4 weeks prolonged-release tacrolimus (Envarsus®) once daily

Prograf

Intervention Type DRUG

Treatment sequence: 4 weeks intermediate-release tacrolimus (Prograf®) twice daily

Interventions

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Envarsus®

Treatment sequence: 4 weeks prolonged-release tacrolimus (Envarsus®) once daily

Intervention Type DRUG

Prograf

Treatment sequence: 4 weeks intermediate-release tacrolimus (Prograf®) twice daily

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. caucasian paediatric kidney transplant recipients (single-organ recipients)
2. aged ≥ 8 years but ≤ 18 years who are under tacrolimus (Prograf®) therapy and who are able to swallow tablets with a minimum dose of 0.75 mg / day Envarsus®
3. not less than 6 months after transplantation
4. stable kidney function (delta eGFR \< 10 ml/min/1.73 m2 (CKID formula) over the last 3 months)
5. women of childbearing potential and women without childbearing potential
6. patient/parents/legal guardian(s) must be capable of understanding purpose and risks of the study
7. signed informed consent obtained by patient and parents/legal guardians

Exclusion Criteria

1. coefficient of variation of tacrolimus trough levels \> 0.35 over the previous 6 months
2. pregnancy/breast feeding
3. instable kidney function
4. hypersensitivity to any of the components of the medications used
5. not eligible for any reason according to the investigator's valuation
6. known positive HIV-1 or HCV test
7. participation in another clinical trial (other investigational drugs or devices at the time of enrolment or within 30 days prior to enrolment)
Minimum Eligible Age

8 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University Hospital, Essen

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Lars Pape, Prof. Dr.

Role: PRINCIPAL_INVESTIGATOR

University Hospital of Essen, Pediatrics II

Locations

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University Hospital Cologne, Pediatrics

Cologne, , Germany

Site Status RECRUITING

University Hospital of Essen, Pediatrics II

Essen, , Germany

Site Status RECRUITING

University Hospital of Hamburg-Eppendorf

Hamburg, , Germany

Site Status RECRUITING

University Hospital of Heidelberg

Heidelberg, , Germany

Site Status RECRUITING

Countries

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Germany

Central Contacts

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Julia Grimm

Role: CONTACT

+4920172377414

Facility Contacts

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Lutz Weber, Prof. Dr.

Role: primary

Lars Pape, Prof. Dr.

Role: primary

Jun Oh, Prof. Dr.

Role: primary

Burkhard Tönshoff, Prof. Dr.

Role: primary

References

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Karaterzi S, Tonshoff B, Ahlenstiel-Grunow T, Baghai M, Beck B, Buscher A, Eifler L, Giese T, Lezius S, Muller C, Oh J, Zapf A, Weber LT, Pape L. A multi-center interventional study to assess pharmacokinetics, effectiveness, and tolerability of prolonged-release tacrolimus after pediatric kidney transplantation: study protocol for a prospective, open-label, randomized, two-phase, two-sequence, single dose, crossover, phase III b trial. Front Nephrol. 2024 Feb 20;4:1331510. doi: 10.3389/fneph.2024.1331510. eCollection 2024.

Reference Type DERIVED
PMID: 38444519 (View on PubMed)

Other Identifiers

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Pro-Tac

Identifier Type: -

Identifier Source: org_study_id

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