This study will evaluate the medication adherence, clinical efficacy, and safety of EnvarsusXR in stable post liver transplant patient using a Phase III randomized controlled study. The primary outcome is change in medication adherence from baseline to the end of the study, assessed using a validated instrument (BAASIS- Basel Assessment of Adherence with Immunosuppressive medication Scales) and standard deviation of Tacrolimus levels.
The main aim of this study is to assess the immunosuppressant adherence, efficacy, and safety in post liver transplant patients converted from twice daily tacro to once daily EnvarsusXR. Tacrolimus trough level, clinical markers of liver disease, HbA1c , eGFR will be assessed at baseline, 1 week, 2 week, 4 week, 3 month and 6 months. Graft rejection will be assessed using routine standard guidelines to identify the cause. All patients post 1 year liver transplant, and within 5 years will be eligible to participate. The primary hypothesis is that once daily dosing will improve medication adherence in patients randomized to the test arm as compared to the control arm, over a period of 9 months. The clinical efficacy will be assessed by no difference in standard deviation of tacrolimus in the two groups. The secondary hypothesis is that improved medication adherence will lead to improved patient reported quality of life (as assessed by PROMIS-29), and better health outcomes (as assessed by HbA1c, eGFR).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
35
Patients randomized to study drug will be converted to EnvarsusXR once daily.
Patients continue to take Tacrolimus BID, as a part of routine care.
Einstein Medical Center
Philadelphia, Pennsylvania, United States
Change in Medication Adherence
Self reported using BAASIS instrument. BAASIS measures taking, skipping and dose reduction of drugs, with a recall period of 4 weeks. It consists of 4 questions with a 6 point response scale (ranging from never to every day). An additional overall adherence is ranked on a scale of 0 to 100 using a visual analog scale.
Time frame: From baseline to 6 months
Change in Quality of life
Self reported, using PROMIS-29. PROMIS is a result of the NIH support to develop a "psychometrically validated, dynamic system to measure QOL and patient reported outcomes in study participants. PROMIS-29 comprises a set of 29 questions evaluating seven QOL domains: Physical function, anxiety, depression, fatigue, sleep disturbance, social function and pain. The scores are reported as a T score (mean 50, SD=10) centered on the sample representative of 2000 US general census considering demographic variables.
Time frame: From baseline to 6 months
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