A Phase 2 interventional study of Fingolimod and Placebo in Interstitial Fibrosis, Kidney Transplant; Complications and Kidney Transplant Rejection, sponsored by The Methodist Hospital Research Institute. Enrolling by invitation at 1 site in United States. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2025-03-14.
Sponsored by The Methodist Hospital Research Institute · Phase 2, Interventional, and Treatment
This is a randomized, double-blind, placebo-controlled trial in de novo kidney transplant patients to determine if the addition of fingolimod (brand name Gilenya®, candidate name- FTY720) on the background of standard immunosuppression will prevent expansion of the interstitial compartment of the transplanted kidney. Interstitial expansion is the precursor of interstitial fibrosis and graft loss. The study will test the hypothesis that abgrogating the fibrogenic effects of both the RhoA and mTOR pathways with fingolimod will reduce structural damage in transplanted kidneys and possible subsequent transplant failure.
Prevention of, or slowing the progression of, the development of allograft fibrosis has not been successful in previous efforts. This study will to evaluate the potential of fingolimod (Gilenya®, Novartis Pharmaceuticals, East Hanover, NJ) (1), a sphingosine 1-phosphate receptor modulator and a RhoA inhibitor (2), to abrogate the presence of interstitial fibrosis/tubular atrophy (IF/TA) after kidney transplantation. The study may provide important information for future clinical trials for prevention of IF/TA in kidney transplant recipients.
Interstitial fibrosis and tubular atrophy almost invariably occur together (10) and are present in approximately 45% of kidney allografts by the first year posttransplant (11). Naesens et al (11) demonstrated that any positive chronic interstitial fibrosis score is associated with graft loss after the first year post transplant with a more rapidly declining slope than those without interstitial fibrosis. Furthermore, they demonstrated that a tubular atrophy score of 2-3 was associated with 20% graft loss during the 2nd year posttransplant, >30% graft loss by 5 years and \~60% graft loss by 10 years posttransplant. Combined, IF/TA contributes to renal graft dysfunction or the decline in kidney function after transplantation and may be a factor in the 20.6% of total grafts lost (including death) by 5 years post-transplant (11,12).
Expansion of the interstitial compartment is a major component of IF/TA. Protocol (12,13) and for-cause (10,11) biopsies have provided evidence of the worsening of IF/TA with time in kidney transplant recipients and demonstrated a direct relationship between interstitial expansion and renal allograft functional decline and graft failure (11-14). Assessing the interstitial expansion by quantifying the fraction of renal cortical volume:interstitial compartment changes over time standardizes the assessment of IF/TA (15,16) and will be used in the current protocol (Section 10.2.1).
Fingolimod was originally intended as a prophylaxis against acute rejection in transplant recipients (17). A full development program was produced beginning with pharmacokinetics of single dose (18) and multiple doses (19) in healthy volunteers and evaluations of the effect of FTY720 on T-lymphocytes to better understand the immunosuppressive properties of the sphingosine 1-phosphate receptor modulator (20). Development proceeded with several studies where fingolimod was compared to standard immunosuppression regimens as an adjunct therapy with calcineurin inhibitors for prevention of kidney transplant acute rejection. After two cardiac events occurred in an open-label trial and lack of efficacy for prevention of acute rejection was demonstrated, the development of fingolimod as a therapeutic agent for rejection prophylaxis in transplantation ceased. Whereas the current study is not proposed to prevent acute rejection and will be using a smaller dose than those evaluated in phase 3 trials for acute rejection prophylaxis, a summary of these studies is important to the understanding of the safety of fingolimod in kidney transplant recipients.
Studies of de novo kidney transplant recipients report a reduction in absolute lymphocyte counts of approximately 25-35% in the lower dose groups (0.25mg and 0.5mg FTY720, respectively) that corrects to within approximately 20% of baseline (day of transplant surgery) level (22-28). Additionally, asymptomatic bradycardia or reduced heart rate was reported and responded to treatment when required or resolved on its own (23-26,28). Prudent exclusion criteria of patients who have heart rate \<50bpm at baseline is warranted for the current study. Macular edema occurred more often in kidney transplant patients taking ≥2.5mg FTY720 (15/667, 2.2%) compared to mycophenolate mofetil (MMF, 5/373, 1.3%; 25,26,28); thus, the current study will exclude patients with a history of macular degeneration or diabetic retinopathy. Only one report indicated that liver enzymes were elevated in participants taking FTY720 (25) and the increase was mild (\<2x upper limit of normal [ULN]).
Controlling hypertension and prevention and treatment of acute rejection are standard approaches to kidney function preservation in kidney transplant recipients. Additionally, the use of calcineurin inhibitor (CNI)-sparing protocols has been reported with various approaches but data are insufficient to equivocally demonstrate consistently lower IF/TA in the approaches reported to date (7). Thus, it is important to examine additional approaches for prevention of IF/TA in this population.
Preliminary data from Chen W et al strongly suggests that fingolimod is able to inhibit chronic rejection of transplanted hearts in a rat and mouse model by inhibiting RhoA and down-regulating mammalian target of rapamycin (mTOR) Complex 2 (mTORC2)/Regulatory Associated Protein Of MTOR Complex 1 Independent Companion Of MTOR Complex 2 (RICTOR; 30,31). Therefore, this study will test the hypothesis that abrogating the fibrogenic effects of both RhoA and mTOR pathways with fingolimod would abrogate IF/TA and that reducing this structural damage in transplanted kidneys would result in improved or preserved kidney function and reduced graft loss.
The purpose of this study is to demonstrate that 0.5mg/day of fingolimod for 3 months administered to de novo kidney transplant recipients will be safe and to examine the course of IF/TA over a 1-year period by testing the ability of 0.5mg/day fingolimod for 3 months to abrogate the development of IF/TA in de novo kidney transplant recipients compared to placebo.
342 studies on the registry are indexed under Pulmonary Fibrosis; 98 are open to participants now.
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Browse Pulmonary Fibrosis studies →The Methodist Hospital Research Institute is the lead sponsor of 160 studies on the registry; 59 are open to participants now.
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Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.
Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.
On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.
The study may name a correction formula and a limit in milliseconds, often around 450–480.
A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.
A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.
Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.
The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.
“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.
Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.
Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).
Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.
Periods have stopped for good: usually no period for 12 months in a row without another medical reason, sometimes confirmed by a blood test (FSH).
Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Contraception
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Biopsy and archival tissue
A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.
Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
QT and QTc
On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.
The study may name a correction formula and a limit in milliseconds, often around 450–480.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
ECG (electrocardiogram)
A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Bilirubin
A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.
Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
ULN (upper limit of normal)
The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.
“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Cancer (malignancy)
Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.
Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Investigational drug or device
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Childbearing potential
Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).
Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Postmenopausal
Periods have stopped for good: usually no period for 12 months in a row without another medical reason, sometimes confirmed by a blood test (FSH).
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Participants will take a placebo capsule daily for 3 months. Placebo will be methylcellulose encapsulated into an opaque closed gelatin capsule for blinding. Capsules will be placed in a labeled bottle, with the contents only identifiable by a code on the package label and only the compounding pharmacy and the unblinded pharmacist at Houston Methodist Investigational Drug Service will know the code definition.
Drug: Placebo
Participants will take a 0.5 mg fingolimod capsule each day for 3 months. The fingolimod capsule will be placed inside an opaque closed gelatin capsule without transformation of the manufacteror's fingolimod capsule. The fingolimod blinded product and the placebo capsule will be identical in size, color, appearance, and weight.
Drug: Fingolimod
0.5 mg daily
Also known as: GILENYA®, FTY720
0.5 mg daily
Also known as: methylcellulose
Emergent and Adverse Events
The difference in the proportion of cumulative treatment-emergent (TE) adverse events (AE) determined to be ≥ grade 3 severity that occur during 12 months from the first dose of FTY720 compared to the placebo group.
Time frame: Baseline (day of kidney transplant surgery); 3, 14, 30, 90, 180, 270, and 365 days after starting study drug or placebo
Fraction of Renal Cortical Volume Occupied by Interstitium
A doubling of the fraction of renal cortical volume occupied by interstitium (VvInt/cortex) compared to the baseline biopsy in participants taking 0.5mg/day fingolimod (experimental group) or placebo (control group) for 3 months
Time frame: Baseline, 3 months after kidney transplant, 1 year after kidney transplant
MCP1 Biomarker
Measurement of Monocyte Chemoattractant Protein-1
Time frame: Baseline, 90 days, and 1 year after the first dose of fingolimod or placebo
Procollagen 3 Peptide Biomarker
Measurement of Procollagen 3 Peptide
Time frame: Baseline, 90 days, and 1 year after the first dose of fingolimod or placebo
BMP-7 Protein Biomarker
Measurement of Bone Morphogenetic Protein 7
Time frame: Baseline, 90 days, and 1 year after the first dose of fingolimod or placebo
TGF-beta Biomarker
Measurement of Transforming Growth Factor beta
Time frame: Baseline, 90 days, and 1 year after the first dose of fingolimod or placebo
RhoA of Blood Monocytes
Measurement of Ras homolog family member A protein
Time frame: Baseline, 90 days, and 1 year after the first dose of fingolimod or placebo
RICTOR Biomarker
Measurement of RPTOR Independent Companion Of MTOR Complex 2
Time frame: Baseline, 90 days, and 1 year after the first dose of fingolimod or placebo
Urinary Albumin:Creatinine Ratio
The ratio of albumin to creatinine in a urine sample from the patient
Time frame: Baseline; 3, 14, 30, 90, 180, 270, and 365 days after starting study drug or placebo
Change in Estimated Glomerular Filtration Rate
Estimated glomerular filtration rate relative to the baseline value or previous endpoints
Time frame: Baseline; 3, 14, 30, 90, 180, 270, and 365 days after starting study drug or placebo
Causes of End-Stage Renal Disease
Recording the cause of end-stage renal disease, if it develops
Time frame: Up to 1 year after taking the first dose of the study drug or placebo
Biopsy-Proven Acute Rejection
Biopsy-proven acute rejection as diagnosed by a qualified pathologist
Time frame: Baseline, 3 months after kidney transplant, 1 year after kidney transplant
Patient Survival
Whether the patient is deceased or alive
Time frame: Baseline; 3, 14, 30, 90, 180, 270, and 365 days after starting study drug or placebo
Graft Survival
Whether the patient required a new kidney graft or the patient is deceased
Time frame: Baseline; 3, 14, 30, 90, 180, 270, and 365 days after starting study drug or placebo
Plan to share: No
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