Sitagliptin Treatment in Patients With Type 2 DM After Kidney Transplant

U

University of Oklahoma (OU)

Status

Completed

Conditions

Kidney Transplant
Type 2 Diabetes

Treatments

Drug: Administration of sitagliptin

Study type

Interventional

Funder types

Other

Identifiers

NCT00466518
475-06-FB

Details and patient eligibility

About

This study is designed to look at the effect sitagliptin has on tacrolimus and sirolimus drug levels in kidney transplant patients. It is also designed to look at the side effects experienced in the transplant population.

Full description

Within the last six months, the FDA has approved sitagliptin phosphate as an oral drug that potentiates the effect of native GLP-1 through inhibition of DPP-4. It is approved for treatment of type 2 diabetes in adults as monotherapy or in combination with metformin or a TZD. It has several advantages over extenatide when considering its use in kidney transplant recipients: It is administered orally once a day Nausea occurred at a rate of only 1.4% Its potential of hypoglycemia is low However, it may not be as potent, in terms of HbA1C with % change in HbA1C<1%. In addition there is not a lot of information on gastric emptying, although this is probably not as severe as exenatide, with fewer symptoms of nausea reported. We propose to conduct a pilot study for using sitagliptin in patients who have both type 2 diabetes and who have received a kidney transplant. Our objectives are to study the effect of sitagliptin administration on side effect profiles, change in HbA1C, and the percentage of patients who require discontinuation of the drug as a result of major changes in immunosuppressant drug levels. The data will be used as preliminary data for a larger study that attempts to prevent or delay the onset of PTDM in kidney transplant recipients. We anticipate treating patients with both impaired fasting glucose and normoglycemia, given the high frequency of PTDM in the post-kidney transplant population.

Enrollment

16 patients

Sex

All

Ages

19+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Type 2 Diabetes Mellitus
  • Most recent HbA1C 6.5-10%
  • 1 year post kidney transplant

Exclusion criteria

  • Patients treated primarily with insulin for their diabetes
  • Kidney allograft not functional at entry or estimated creatinine clearance of <30 ml/min
  • Clinical course complicated by persistent nausea
  • severe gastroparesis
  • Severe recurrent hypoglycemia (>1 hypoglycemic episode requiring the help of another person per week).
  • Patients on dialysis therapy
  • Unstable renal function in the preceding 3 months
  • Serum transaminases >2 times normal at study entry
  • Smokers
  • Pregnant or planning to become pregnant
  • Lactating
  • Recipients of multi-organ transplants
  • Unstable medical conditions which result in multiple hospitalizations or a severely restricted lifestyle
  • Hemoglobin <10.0g/dl
  • Use of digoxin
  • Patients receiving their primary care outside of UNMC
  • Inability to come to follow-up visits as a part of the protocol
  • Patients not taking tacrolimus and sarolimus as part of their immunosuppressive therapy

Trial design

16 participants in 1 patient group

1
Experimental group
Treatment:
Drug: Administration of sitagliptin

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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