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Mycophenolic Acid Monotherapy in Recipients of HLA-identical Living-Related Transplantation

University of Wisconsin (UW) logo

University of Wisconsin (UW)

Status and phase

Terminated
Phase 2

Conditions

Kidney Transplantation

Treatments

Drug: Standard of Care: CNI and MPA
Drug: Mycophenolic Acid

Study type

Interventional

Funder types

Other

Identifiers

NCT01053221
2012-0343 (Other Identifier)
H-2005-0357

Details and patient eligibility

About

This randomized trial will enroll adult recipients of HLA-identical living kidney transplants who are at least 1 year post-transplant. All subjects will be taking Prograf (tacrolimus) or cyclosporine and mycophenolic acid (CellCept or Myfortic) and then be randomized (1:2) to either continue calcineurin inhibitors or to taper off of calcineurin inhibitors. The hypothesis is that mycophenolic acid monotherapy permits long-term rejection-free renal allograft function in the absence of long-term calcineurin inhibitors in this fully matched renal transplant cohort.

Full description

The objective of the study is to safely move HLA-identical renal transplant recipients from 2 immunosuppressive drugs (calcineurin inhibitor and mycophenolic acid) to mycophenolic acid monotherapy. Safety will be assessed by monitoring renal function in subjects in the withdrawal group compared to those who remain on the standard 2-drug immunosuppression protocol. Results of immunological monitors such as DTH regulation in response to donor minor antigens and development of anti-donor antibodies will be correlated with successful withdrawal.

Enrollment

16 patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male or female subjects 18-75 years of age.
  • Subjects who are recipients of HLA-identical living donor renal allografts from a sibling and are at least 1 year post transplant, their donors and mothers.
  • Subjects must be capable of understanding the purpose and risks of the study and must sign a statement of informed consent.

Exclusion criteria

  • GFR <40ml/min;
  • diagnosis of SLE,
  • Subjects with proteinuria (defined as a protein:creatinine ratio of >1 or an amount less than this deemed significant on an individual subject basis by the principal investigator),,
  • multi-organ transplant;
  • known hypersensitivity to, Prograf, Neoral, CellCept or Myfortic;
  • history of documented post transplant non-compliance with medications, transplant clinic or laboratory follow-up;
  • therapy with an investigational immunosuppressive drug within 6 weeks of study entry;
  • history of a psychological illness or condition such as to interfere with the patient's ability to understand the requirements of the study;
  • patients on less than 500 mg PO BID of CellCept or 360 mg PO BID of Myfortic at the time of potential randomization,
  • history of humoral rejection post transplant,
  • maintenance or for cause treatment with steroids (prednisone) within 3 months of enrollment.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

16 participants in 2 patient groups

MPA monotherapy
Experimental group
Description:
Subjects will discontinue calcineurin inhibitor (cyclosporine or tacrolimus) and remain on MPA (mycophenolate mofetil or mycophenolate sodium) monotherapy
Treatment:
Drug: Mycophenolic Acid
Control: MPA and CNI
Active Comparator group
Description:
Subjects will continue with their current immunosuppressive regimen of MPA (mycophenolate mofetil or mycophenolate sodium) and calcineurin inhibitor (cyclosporine or tacrolimus)
Treatment:
Drug: Standard of Care: CNI and MPA

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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