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Study Results
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Belatacept to Prevent Organ Rejection in Kidney Transplant Patients (BESTT)
This study has been terminated.
( Stopping rules for acute cellular rejections were met based on local biopsies )
Study NCT00346151   Information provided by National Institute of Allergy and Infectious Diseases (NIAID)

First Received on June 27, 2006.   Last Updated on September 29, 2011   History of Changes
Results First Received: June 8, 2011  
Study Type: Interventional
Study Design: Allocation: Non-Randomized;   Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Single Group Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Conditions: Transplantation, Kidney
End-Stage Renal Disease
Interventions: Drug: Belatacept
Drug: Sirolimus
Drug: Anti-thymocyte globulin
Drug: methylprednisolone

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
Two centers in the United States enrolled five recipients of non-human leukocyte antigen (HLA)-identical living-donor-related renal transplants between January 2007 and January 2009.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
At a screening visit, participants underwent procedures to establish inclusion/exclusion criteria and sign the informed consent form.

Reporting Groups
  Description
Immunosuppression Withdrawal Daclizumab, antithymocyte globulin, sirolimus, or belatacept dosing with the intention of immunosuppression withdrawal

Participant Flow:   Overall Study
    Immunosuppression Withdrawal  
STARTED     5  
COMPLETED     2  
NOT COMPLETED     3  
Withdrawal by Subject                 3  



  Baseline Characteristics
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Reporting Groups
  Description
Immunosuppression Withdrawal Daclizumab, antithymocyte globulin, sirolimus, or belatacept dosing with the intention of immunosuppression withdrawal

Baseline Measures
    Immunosuppression Withdrawal  
Number of Participants  
[units: participants]
  5  
Age  
[units: participants]
 
<=18 years     0  
Between 18 and 65 years     5  
>=65 years     0  
Age  
[units: years]
Mean ± Standard Deviation
  50.4  ± 5.9  
Gender  
[units: participants]
 
Female     3  
Male     2  
Region of Enrollment  
[units: participants]
 
United States     5  



  Outcome Measures
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1.  Primary:   Acute Rejection at 6-Months   [ Time Frame: 6 months post-transplant ]

2.  Secondary:   Participant Survival at 12 Months Post-Transplant   [ Time Frame: 12 months post-transplant ]

3.  Secondary:   Acute Rejection at 12-Months   [ Time Frame: 12 months post-transplant ]

4.  Secondary:   Tolerance Induction   [ Time Frame: 48 months ]

5.  Secondary:   Renal Function as Measured by Glomerular Filtration Rate (GFR) at 24 Weeks   [ Time Frame: 24 weeks post-transplant ]

6.  Secondary:   Graft Survival at 12 Months Post-transplant   [ Time Frame: 12 months post-transplant ]

7.  Secondary:   Time From Transplant to Acute Rejection   [ Time Frame: Transplantation until rejection occurs (participants followed up to four years post-transplantation) ]

8.  Secondary:   Proportion of Participants Requiring Antilymphocyte Therapy for Acute Rejection   [ Time Frame: Participants followed from transplantation until completion of study (up to four years post-transplantation) ]

9.  Secondary:   Proportion of Participants With Post-transplant Infections   [ Time Frame: Participants followed from transplantation until completion of study (up to four years post-transplantation) ]

10.  Secondary:   Proportion of Participants With Wound Complications   [ Time Frame: Start of study to end of study ]

11.  Secondary:   Proportion of Participants With Malignancies   [ Time Frame: Participants followed from transplantation until completion of study (up to four years post-transplantation) ]

12.  Secondary:   Proportion of Participants With a Sirolimus Associated Adverse Event   [ Time Frame: Participants followed from transplantation until completion of study (up to four years post-transplantation) ]

13.  Secondary:   Proportion of Participants With Chronic Allograft Nephropathy   [ Time Frame: Participants followed from transplantation until completion of study (up to four years post-transplantation) ]

14.  Secondary:   Proportion of Participants With Delayed Graft Function   [ Time Frame: Participants followed from transplantation until completion of study (up to four years post-transplantation) ]

15.  Secondary:   Proportion of Participants With Post-transplant Diabetes Mellitus   [ Time Frame: Participants followed from transplantation until completion of study (up to four years post-transplantation) ]


  Serious Adverse Events
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  Other Adverse Events
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  More Information
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Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.


Limitations and Caveats
Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
The trial was stopped early due to meeting an acute rejection threshold of three acute rejections based on local pathology reads in the first five participants enrolled.  


Results Point of Contact:  
Name/Title: Associate Director, Clinical Research Program
Organization: DAIT/NIAID
phone: 301-594-7669
e-mail: DAITClinicalTrialsGov@niaid.nih.gov


Publications:

Responsible Party: National Institute of Allergy and Infectious Diseases (NIAID)
ClinicalTrials.gov Identifier: NCT00346151     History of Changes
Other Study ID Numbers: DAIT ITN023ST
Study First Received: June 27, 2006
Results First Received: June 8, 2011
Last Updated: September 29, 2011
Health Authority: United States: Food and Drug Administration;   United States: Institutional Review Board