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Completed

NCT Number: NCT00933231

Comparison of Standard Versus Low Dose Advagraf® With or Without Angiotensin-converting Enzyme Inhibitor (ACEi)/Angiotensin Receptor Blocker (ARB) on Histology and Function of Renal Allografts

This is a multicentre study examining the use of Advagraf-minimization strategy and/or the use of an inhibitor of the renin-angiotensin system in reducing chronic rejection in renal allografts.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Site CA133 Foothills Medical Centre, Calgary, Alberta, Canada

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About this study

The study will consist of the following 4 treatment groups.:

  • Standard dose Advagraf with angiotensin-converting enzyme inhibitor (ACEi)/angiotensin receptor blocker (ARB) antihypertensive therapy
  • Standard dose Advagraf without ACEi/ARB antihypertensive therapy
  • Low dose Advagraf with ACEi/ARB antihypertensive therapy
  • Low dose Advagraf without ACEi/ARB antihypertensive therapy

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subject is the recipient of a first or second deceased or living donor renal transplant (one kidney only)
  • Subject must have at least one HLA-mismatch with the donor. HLA identical donor-recipient pairs are not eligible
  • Subject understands either English or French
  • If female and of child-bearing potential, subject has a negative pregnancy test and utilizes adequate contraceptive methods

Exclusion criteria

  • Presence of donor specific antibody
  • Subject who is currently participating in a study with investigational drug, or who has received investigational drug within three months prior to randomization. Observational studies are acceptable
  • Subject who has lost a previous graft for immunological reasons less than one year from transplant
  • Subject is pregnant or breastfeeding
  • Subject receives a kidney lacking pre-implantation biopsy
  • Subject has significant disease (e.g. malignancy or uncontrolled infection) or disability (e.g. cognitive defect) which prevents understanding of, or adherence to the protocol
  • Subject who in the opinion of the Investigator, require ACEi/ARB therapy post-transplant for any indication
  • Subject who requires induction with Thymoglobulin, Campath, antithymocyte globulin (ATG), antilymphocyte globulin (ALG) or any biological induction agent other than basiliximab. Unplanned post-transplant use of these prohibited drugs for clinical indications post-transplant is allowed
  • Subject has plans to become pregnant within 2 years post-transplant
  • Subject who has a positive T-cell or B-cell crossmatch. Subjects with a weakly positive B-cell cross-match that tests negative following DTT reduction are acceptable
  • Subject who has a requirement for maintenance immunosuppressant therapy with the exception of low dose steroid or mycophenolate mofetil (MMF). A subject who is on low dose tacrolimus maintenance therapy will be eligible provided the tacrolimus is withheld at least 1 week prior to transplant

Treatment and study plan

Tacrolimus

Drug

Standard dose, Oral

Other names: Advagraf, FK506XL, Prolonged Release Tacrolimus, Tacrolimus XL, Extended Release Tacrolimus, FK506E, MR4

Simulect

Biological

IV

Other names: Basiliximab

CellCept

Drug

Oral

Other names: MMF

Corticosteroids

Drug

IV and Oral

Other names: Methylprednisolone, prednisone

Ramipril

Drug

Oral

Other names: Altace, ACEi

Irbesartan

Drug

Oral

Other names: Avapro, ARB

Primary outcomes

  1. Percentage of Participants with the Presence of Allograft Interstitial Fibrosis and Tubular Atrophy (IF/TA) as Assessed at a Central Pathology Lab

    Time frame: up to 24 months

  2. Progression of IF/TA from Month 6 to Month 24

    Time frame: up to 24 months

Secondary outcomes

  1. Time to T-cell Banff Mediated Rejection as Assessed at a Central Pathology Lab

    Time frame: up to 24 months

  2. Percentage of Participants in Each Category of Banff 2007 Diagnostic Classification of Renal Allograft Pathology

    Time frame: up to 24 months

  3. Percentage of Participants with Humoral Rejections

    Time frame: up to 24 months

  4. Percentage of Participants with Acute Rejections

    Time frame: up to 24 months

  5. Time to First Any Acute Rejection

    Time frame: up to 24 months

  6. Banff 2007 Individual Sub-scores

    Time frame: up to 24 months

    Banff 2007 sub-scores (AH = Arteriolar hyalinethickening score; AT = Tubulitis score; AV = Intimal arteritis score; AI = Interstitial inflammation score; AG = Glomerulitis score; CG = Glomerulopathy score; CI = Interstitial fibrosis score; CT = Tubularatrophy score; CV = Vascular fibrous intimal thickening score; MM = Mesangial matrix increase score; TI = Total interstitial inflammation score; PTC = Peritubulary capillaritis score) is measured on an ordinal scale of 0 - 3.

  7. Change from Baseline in Chronic Allograft Damage Index

    Time frame: Baseline and 6, 24 months

  8. Percentage of Participants with Circulating Anti-Donor Antibody

    Time frame: up to 5 years

  9. Number of Participants with Cellular Immune Response (ELISPOT)

    Time frame: up to 6 months

  10. Urine Renal Biomarkers

    Time frame: up to 24 months

  11. Graft Survival

    Time frame: up to 5 years

  12. Patient Survival

    Time frame: up to 5 years

  13. Renal Function as Measured by Glomerular Filtration Rate (GFR)

    Time frame: up to 5 years

  14. Renal Function as Measured by Serum Creatinine

    Time frame: up to 5 years

  15. Renal Function as Measured by Ratio of Urine Protein and Creatinine Concentrations

    Time frame: up to 5 years

  16. 12-Item Short Form (SF-12) Health Survey: Physical Composite Score (PCS) and Mental Health Composite Score (MCS)

    Time frame: up to 24 months

    The PCS and MCS are measured on a normalized 0-100 scale and computed using the corresponding subdomains from the SF-12 with 0 being the lowest level of health and 100 the highest.

  17. Kidney Transplant Recipient Opinions of Immunosuppressive Medications Questionnaire

    Time frame: up to 24 months

    This questionnaire consists of 11 questions regarding immunosuppressive medications, where questions 1-3 ask about your experiences and opinions of transplant anti-rejection medications, questions 4 and 11 ask to rate each medication on the scale of 1-10, with 1 meaning disagree completely and 10 meaning agree completely, and questions 5-10 ask which medication satisfies the question.

  18. Percentage of Participants with Polyomavirus Infection

    Time frame: up to 12 months

Sponsors and collaborators

Lead sponsor

Astellas Pharma Inc

Industry

Collaborators

  • Astellas Pharma Canada, Inc.

Registry information

Official study title

A Comparison of Effects of Standard Dose vs. Low Dose Advagraf® With IL-2 Receptor Antibody Induction, MMF and Steroids, With or Without ACEi/ARB - Based Antihypertensive Therapy on Renal Allograft Histology, Function, and Immune Response

Important dates

Study start
2009
Primary completion
2015
Study completion
2018
First posted
Jul 7, 2009
Registry last updated
Nov 1, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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