Empagliflozin in Post-Transplantation Diabetes Mellitus (EMPTRA-DM)

May 3, 2019 updated by: Assoc. Prof. Dr. Manfred Hecking, MD PhD, Medical University of Vienna

RELEVANCE:

Up to 50% of patients without previously known disorders of glucose metabolism develop posttransplantation diabetes mellitus (PTDM) after renal transplantation, which is associated with cardiovascular events. Although PTDM is triggered by immunosuppressive agents (calcineurin inhibitors, glucocorticoids), there is consensus against switching patients from potent tacrolimus to the less diabetogenic cyclosporin. Full-blown PTDM must therefore be treated aggressively. Empagliflozin inhibits sodium-glucose cotransporter 2 in the proximal tubule of the kidney and dramatically reduced cardiovascular risk in type 2 diabetics in a recent randomized trial. Especially in diabetics with impaired renal function, empagliflozin was safe, well tolerated, and effective against hyperglycemia and against high blood pressure. Data on SGLT2 inhibition after transplantation are completely lacking. Therefore, the potential antidiabetic of choice is currently withheld from the vulnerable PTDM population.

METHODS, STUDY DESIGN:

Prospective, single-center, non-inferiority study. Inclusion criteria: PTDM (antidiabetic therapy ≥6 months, based on prior 2-h BG ≥200 mg/dL, fasting BG ≥125 mg/dL (2 times) or HbA1c ≥6.5%); stable renal allograft function >6 months; eGFR ≥30 mL/min/1.73m2. Most important exclusion criteria: type 1 and 2 diabetes; insulin demand >40 IU/day; HbA1c >8.5%. After study inclusion, patients will record 4 weeks of 4-times daily BG measurements before undergoing an OGTT, lab work and urine analysis (including ketones, urinary culture). Empagliflozin (10 mg) will be started and insulin discontinued within 3 days. Patients will be asked to perform urinary dipstick tests at home (i.e. ketones), and to continue recording BG. Study visits at 2 and 4 weeks (second OGTT + lab work (as above)). If control over hyperglycemia is insufficient, insulin therapy will be added back, otherwise study patients remain on empagliflozin monotherapy for 1 year. Statistics will include the paired t-test.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

The clinical trial plans to include 16 patients with stable renal allograft function, stable immunosuppressive therapy and PTDM, under standard antidiabetic therapy (exogenous insulin <40 IU). The sample size is based on a calculation assuming non-inferiority of empagliflozin monotherapy in comparison to previous insulin therapy, with respect to the primary endpoint: 2-hour blood glucose (2-h BG) during an oral glucose tolerance test (OGTT) immediately prior and 1 month after the start of empagliflozin monotherapy. The null hypothesis will be accepted if the average change in 2-h BG from the first to the second OGTT exceeds 30 mg/dL (empagliflozin will be inferior). Secondary endpoints comprise the average change in insulin secretory capacity and insulin sensitivity, derived from the first to the second OGTT, the average change in HbA1c at 3 months and at 1 year, compared to baseline, changes in body weight, fluid overload (determined by bioimpedance spectroscopy) and blood pressure. Safety endpoints include clinically concerning hyperglycemia after discontinuation of exogenous insulin, ketoacidosis, urinary tract infections and genital infections, worsening of renal function, hypoglycemia, hospitalizations, cardiovascular events and death. The effect of empagliflozin on the renin-angiotensin system is part of an OeNB-funded project in non-transplanted patients and will be included in the analyses of the present study.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
16

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Austria
      • Vienna, Austria, 1090
        • Department of Internal Medicine III, Division of Nephrology and Dialysis, Medical University of Vienna, Austria

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Diagnosed PTDM defined as: A transplant patient requiring antidiabetic therapy, based on a previous 2-hour plasma glucose level ≥ 200 mg/dL in the OGTT (75mg glucose), based on previous blood glucose levels ≥ 200 mg/dL during random controls or based on fasting glucose levels ≥ 125 mg/dL twice or HbA1c ≥ 6.5%
  • Stable graft function for more than 6 months post transplantation (eGFR ≥ 30 ml/min/1.73m2)
  • At least 6 months of standard of care antidiabetic therapy (usually basal insulin) for PTDM

Exclusion Criteria:

  • Age< 18 years
  • Patients with prior history of type 1 or type 2 diabetes
  • Pregnancy
  • Severe renal impairment (GFR < 30 mL/min./1.73 m2)
  • Severe blood glucose elevation with the need for therapy with insulin > 40 IU/day or HbA1c >8.5%

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Other: Empagliflozin Arm
Posttransplant Diabetes Mellitus (PTDM) patients after kidney transplantation receiving Empagliflozin 10 MG [Jardiance]
Drug: Empagliflozin 10 mg
PTDM patients on previous antidiabetic treatment (<40 IU insulin (in some cases plus oral antidiabetics)) receive Empagliflozin, ideally as monotherapy
Other Names:
  • Jardiance

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
OGTT-derived 2-hour blood glucose level
Time Frame: 4 weeks after start of Empagliflozin treatment
Mean change from baseline blood glucose levels of the 2h value after OGTT (75g glucose) after 1 month of empagliflozin monotherapy. Maximum tolerable change from baseline blood glucose levels should not exceed 30 mg/dL on average (100 mg/dL in each individual).
4 weeks after start of Empagliflozin treatment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Medical University of Vienna

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

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Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 15, 2017

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 13, 2017

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
May 31, 2018

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 8, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 8, 2017

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 13, 2017

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
May 7, 2019

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 3, 2019

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2019

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • EUDRACT-Nr: 2016-001580-37
  • EK-No. 1366/2016 (Other Identifier: MUVienna Ethics Committee)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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