Status:

ACTIVE_NOT_RECRUITING

Effects of Sitagliptin in Individuals With Genetically Decreased DPP4

Lead Sponsor:

University of Pennsylvania

Conditions:

Genetics Disease

Type2 Diabetes

Eligibility:

All Genders

18-80 years

Phase:

PHASE4

Brief Summary

This is a pilot clinical trial to test the hypothesis that during sitagliptin (DPP4 inhibitor), individuals heterozygous for DPP4 loss of function variants will have a reduction in DPP4 activity and a...

Detailed Description

Participants of this pilot clinical trial will be randomized in a blinded 2:2 crossover manner to receive placebo and sitagliptin 100 mg/d (DPP4 inhibitor), in random order. Subjects will receive each...

Eligibility Criteria

Inclusion

  • Participant of the Penn Medicine Biobank who is willing to be recontacted to participate in future research.
  • Cases are defined as adults 18-70 years with likely decreased DPP4.
  • Controls are defined as adults who are matched to cases by: age, gender, race, BMI, hypertension status, diabetes status, renal function, and medication use that may affect outcomes of interest.

Exclusion

  • The study will exclude volunteers with any significant medical conditions that may interfere with study participation, data interpretation, or pose safety risk(s) to the subject.
  • Recent hospitalization or acute illness such as infection within the past two weeks
  • Pregnancy
  • Use of insulin
  • Use of a GLP-1 agonist or DPP4 inhibitor medication
  • Use of oral diabetes agents other than metformin unless matched with controls
  • Type 1 diabetes
  • Chronic steroid use or use within the last 30 days
  • Significant liver disease including liver enzymes \>3 x upper limit of normal range
  • Renal dysfunction defined as eGFR\< 50mL/min/1.73m2
  • Significant cardiac disease such as heart transplantation
  • Significant gastrointestinal conditions that may interfere with drug absorption or GLP-1 release including bariatric surgery
  • Significant hematologic disease such as hematocrit \<35%
  • Use of chronic anticoagulation
  • Severe pulmonary disease
  • Severe neurologic or psychiatric disease
  • Inability to comprehend study procedures

Key Trial Info

Start Date :

August 26 2020

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 28 2026

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT04323189

Start Date

August 26 2020

End Date

February 28 2026

Last Update

November 24 2025

Active Locations (1)

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1

University of Pennsylvania

Philadelphia, Pennsylvania, United States, 19104