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Study of a JAK3 Inhibitor for the Prevention of Acute Rejection in Kidney Transplant Patients
This study is currently recruiting participants.
Verified by Pfizer, January 2010
First Received: June 6, 2007   Last Updated: January 27, 2010   History of Changes
Sponsor: Pfizer
Information provided by: Pfizer
ClinicalTrials.gov Identifier: NCT00483756
  Purpose

A new immunosuppressive drug, based on the inhibition of an important enzyme in the immune system called JAK3, is being developed by Pfizer to prevent transplant rejection. In this research study, a JAK3 inhibitor or cyclosporine will be given to new kidney transplant patients for 12 months. Patients will be assigned to one of three treatment groups after receiving a kidney transplant. Two of the treatment groups will receive 2 different dosing regimens of the JAK3 inhibitor that will be taken by mouth. The third treatment group will be a standard-of-care control arm. Patients will continue to take the assigned study medication for 12 months as well as other standard transplant medications such as prednisone.


Condition Intervention Phase
Kidney Transplantation
Drug: Cyclosporine
Drug: CP-690,550
Phase II

Study Type: Interventional
Study Design: Prevention, Randomized, Open Label, Parallel Assignment, Safety/Efficacy Study
Official Title: A Phase 2 Randomized, Multicenter, Active Comparator-Controlled Trial to Evaluate the Safety and Efficacy of Co-administration of CP-690,550 and Mycophenolate Mofetil / Mycophenolate Sodium in De Novo Renal Allograft Recipients

Resource links provided by NLM:


Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Measured glomerular filtration rate at 12 months [ Time Frame: 12 months ] [ Designated as safety issue: Yes ]
  • Clinical biopsy proven acute rejection rate at 6 months [ Time Frame: 6 months ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Measured glomerular filtration rate at 6 months [ Time Frame: 6 months ] [ Designated as safety issue: Yes ]
  • Pharmacokinetics of CP-690,550 and MPA [ Time Frame: 12 months ] [ Designated as safety issue: No ]
  • Health outcome measures [ Time Frame: 12 months ] [ Designated as safety issue: No ]
  • Safety and tolerability of combination regimens of CP-690,550 [ Time Frame: 12 months ] [ Designated as safety issue: Yes ]
  • Progression of chronic allograft lesions at 12 months [ Time Frame: 12 months ] [ Designated as safety issue: Yes ]
  • Lymphocyte subsets [ Time Frame: 12 months ] [ Designated as safety issue: No ]
  • Efficacy of combination regimens of CP-690,550 at 12 months [ Time Frame: 12 months ] [ Designated as safety issue: No ]

Estimated Enrollment: 300
Study Start Date: August 2007
Estimated Study Completion Date: April 2010
Estimated Primary Completion Date: February 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
1: Active Comparator
Treatment Arm 1 will also receive standard of care medications
Drug: Cyclosporine
Standard of care
2: Experimental
Treatment Arm 2 will also receive standard of care medications
Drug: CP-690,550
CP-690,550 15 mg BID for Months 1-6, then 10 mg BID for Months 7-12
3: Experimental
Treatment Arm 3 will also receive standard of care medications
Drug: CP-690,550
CP-690,550 15 mg BID for Months 1-3, then 10 mg BID for Months 4-12

  Eligibility

Ages Eligible for Study:   18 Years to 70 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Recipient of a first-time kidney transplant
  • Between the ages of 18 and 70 years, inclusive

Exclusion Criteria:

  • Recipient of any non-kidney transplant
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00483756

Contacts
Contact: Pfizer CT.gov Call Center 1-800-718-1021

  Show 70 Study Locations
Sponsors and Collaborators
Pfizer
Investigators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Additional Information:
No publications provided

Responsible Party: Pfizer ( Director, Clinical Trial Disclosure Group )
Study ID Numbers: A3921030
Study First Received: June 6, 2007
Last Updated: January 27, 2010
ClinicalTrials.gov Identifier: NCT00483756     History of Changes
Health Authority: United States: Food and Drug Administration

Keywords provided by Pfizer:
Immunosuppression
JAK3 inhibitor
kidney transplantation.

Additional relevant MeSH terms:
Anti-Infective Agents
Cyclosporine
Molecular Mechanisms of Pharmacological Action
Immunologic Factors
Physiological Effects of Drugs
Enzyme Inhibitors
Cyclosporins
Immunosuppressive Agents
Pharmacologic Actions
Antifungal Agents
Therapeutic Uses
Antirheumatic Agents
Dermatologic Agents

ClinicalTrials.gov processed this record on February 04, 2010