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Envarsus XR in African American Renal Transplant Recipients

Envarsus XR in African American Renal Transplant Recipients

Status
Terminated
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02956005
Acronym
EXR
Enrollment
18
Registered
2016-11-04
Start date
2016-09-30
Completion date
2018-09-30
Last updated
2020-03-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Renal Transplant Recipients

Brief summary

The purpose of this study is to collect data prospectively on African American patients who are taking the immunosuppressant Envarsus post kidney transplant. We are looking to see if African American renal transplant recipients that receive Envarsus will have less tubular injury and calcenurin inhibitor toxicity compared with patients that receive tacrolimus IR. African americans have the higher rates of CYP3A5 which is associated with the need of higher tacrolimus dose to achieve an adequate level and this many times is associated with signs and symptoms of tacrolimus toxicity such as tremors, headaches and neuropathies. The retrospective cohort will be African American patients that will be matched by age, gender, type of kidney transplant (living vs deceased) and level of sensitization

Interventions

ENVARSUS XR is a form of the anti-rejection drug, tacrolimus, for people who have had a kidney transplant

Sponsors

Georgetown University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

1. African American race 2. Adult renal transplant recipients (\>18 y/o) 3. Previous adverse reaction or contraindication to the use of tacrolimus

Exclusion criteria

1. Non African American race 2. Less than 18 y/o (pediatric patients) 3. Recipients of liver and small bowel transplants 4. Adverse reaction to tacrolimus

Design outcomes

Primary

MeasureTime frameDescription
Primary Endpoint is to Determine the Rate of Calcineurin Inhibitor Toxicity as Measured by Surveillance Kidney Biopsies.1 yearData not collected - study terminated prematurely when PI left institution.

Secondary

MeasureTime frameDescription
Renal Function After Transplantation1 yearData not collected - study terminated prematurely when PI left institution.

Countries

United States

Participant flow

Participants by arm

ArmCount
Envarsus
Open Label; Envarsus XR started at the time of transplant. Initial dosing of 0.17mg/kg. Target trough level of 8-10 ng/mL ENVARSUS®: ENVARSUS XR is a form of the anti-rejection drug, tacrolimus, for people who have had a kidney transplant
18
Total18

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyNot eligible1
Overall StudyPhysician Decision12
Overall StudyWithdrawal by Subject3

Baseline characteristics

CharacteristicEnvarsus
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
4 Participants
Age, Categorical
Between 18 and 65 years
14 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
9 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
1 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
8 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
18 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
0 Participants
Sex: Female, Male
Female
9 Participants
Sex: Female, Male
Male
9 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 18
other
Total, other adverse events
13 / 18
serious
Total, serious adverse events
10 / 18

Outcome results

Primary

Primary Endpoint is to Determine the Rate of Calcineurin Inhibitor Toxicity as Measured by Surveillance Kidney Biopsies.

Data not collected - study terminated prematurely when PI left institution.

Time frame: 1 year

Population: Analysis not completed - PI left institution

Secondary

Renal Function After Transplantation

Data not collected - study terminated prematurely when PI left institution.

Time frame: 1 year

Population: PI left institution - Analysis not completed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026