Trial Outcomes & Findings for An Observational Study on Renal Function in Kidney Transplant Participants on Immunosuppressive Therapy Containing Mycophenolate Mofetil (NCT NCT01672957)

NCT ID: NCT01672957

Last Updated: 2016-10-11

Results Overview

Creatinine clearance is an indicator of renal function. Creatinine clearance is the volume of blood plasma that is cleared of creatinine by the kidneys per unit time. Normal values for healthy, young males are in the range of 100-135 milliliters per minute (mL/min) and for females, 90-125 mL/min. Creatinine clearance decreases with age. A low creatinine clearance rate indicates poor kidney function.

Recruitment status

COMPLETED

Target enrollment

128 participants

Primary outcome timeframe

Month 1

Results posted on

2016-10-11

Participant Flow

If Informed Consent Form (ICF) was signed after the transplantation, it was considered as a major protocol violation and reported separately from protocol violation in Participant Flow.

Participant milestones

Participant milestones
Measure
Renal Transplant Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil (CellCept), were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and Summary of Product Characteristics (SmPC). The study protocol did not specify any treatment regimen.
Overall Study
STARTED
128
Overall Study
Intent-to-treat (ITT) Population
123
Overall Study
COMPLETED
73
Overall Study
NOT COMPLETED
55

Reasons for withdrawal

Reasons for withdrawal
Measure
Renal Transplant Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil (CellCept), were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and Summary of Product Characteristics (SmPC). The study protocol did not specify any treatment regimen.
Overall Study
Protocol Violation
48
Overall Study
Death
2
Overall Study
ICF Signed After Transplantation
5

Baseline Characteristics

An Observational Study on Renal Function in Kidney Transplant Participants on Immunosuppressive Therapy Containing Mycophenolate Mofetil

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Renal Transplant Participants
n=123 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Age, Continuous
49.60 years
STANDARD_DEVIATION 13.24 • n=93 Participants
Sex: Female, Male
Female
44 Participants
n=93 Participants
Sex: Female, Male
Male
79 Participants
n=93 Participants

PRIMARY outcome

Timeframe: Month 1

Population: ITT population. Number of participants analyzed = participants evaluable for creatinine clearance at specified time-point.

Creatinine clearance is an indicator of renal function. Creatinine clearance is the volume of blood plasma that is cleared of creatinine by the kidneys per unit time. Normal values for healthy, young males are in the range of 100-135 milliliters per minute (mL/min) and for females, 90-125 mL/min. Creatinine clearance decreases with age. A low creatinine clearance rate indicates poor kidney function.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=107 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Creatinine Clearance at 1 Month After Transplantation
65.82 mL/min
Standard Deviation 18.32

PRIMARY outcome

Timeframe: Month 6

Population: ITT population. Number of participants analyzed = participants evaluable for creatinine clearance at specified time-point.

Creatinine clearance is an indicator of renal function. Creatinine clearance is the volume of blood plasma that is cleared of creatinine by the kidneys per unit time. Normal values for healthy, young males are in the range of 100-135 mL/min and for females, 90-125 mL/min. Creatinine clearance decreases with age. A low creatinine clearance rate indicates poor kidney function.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=76 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Creatinine Clearance at Month 6 After Transplantation
73.38 mL/min
Standard Deviation 19.43

PRIMARY outcome

Timeframe: Month 12

Population: ITT population. Number of participants analyzed = participants evaluable for creatinine clearance at specified time-point.

Creatinine clearance is an indicator of renal function. Creatinine clearance is the volume of blood plasma that is cleared of creatinine by the kidneys per unit time. Normal values for healthy, young males are in the range of 100-135 mL/min and for females, 90-125 mL/min. Creatinine clearance decreases with age. A low creatinine clearance rate indicates poor kidney function.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=70 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Creatinine Clearance at Month 12 After Transplantation
69.69 mL/min
Standard Deviation 21.05

PRIMARY outcome

Timeframe: Month 1

Population: ITT population. Number of participants analyzed = participants evaluable for GFR at specified time-point.

GFR is an index of kidney function. GFR describes the flow rate of filtered fluid through the kidney. A normal GFR is greater than (\>) 90 mL/min, although children and older people usually have a lower GFR. Lower values indicates poor kidney function. A GFR less than (\<) 15 mL/min indicates kidney failure.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=118 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Glomerular Filtration Rate (GFR) at Month 1 After Transplantation
53.54 mL/min
Standard Deviation 33.43

PRIMARY outcome

Timeframe: Month 6

Population: ITT population. Number of participants analyzed = participants evaluable for GFR at specified time-point.

GFR is an index of kidney function. GFR describes the flow rate of filtered fluid through the kidney. A normal GFR is \> 90 mL/min, although children and older people usually have a lower GFR. Lower values indicates poor kidney function. A GFR \< 15 mL/min indicates kidney failure.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=83 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
GFR at Month 6 After Transplantation
56.78 mL/min
Standard Deviation 15.36

PRIMARY outcome

Timeframe: Month 12

Population: ITT population. Number of participants analyzed = participants evaluable for GFR at specified time-point.

GFR is an index of kidney function. GFR describes the flow rate of filtered fluid through the kidney. A normal GFR is \> 90 mL/min, although children and older people usually have a lower GFR. Lower values indicates poor kidney function. A GFR \< 15 mL/min indicates kidney failure.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=65 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
GFR at Month 12 After Transplantation
58.03 mL/min
Standard Deviation 16.29

SECONDARY outcome

Timeframe: Baseline, Months 1, 6, and 12

Population: ITT population. Number of participants analyzed = participants evaluable for this outcome measure. Here 'n' signifies number of participants evaluable at specified time-points.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=121 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Mean Dose of Mycophenolate Mofetil
Baseline (n=121)
2033.06 milligrams (mg)
Standard Deviation 357.86
Mean Dose of Mycophenolate Mofetil
Month 1 (n=119)
1718.49 milligrams (mg)
Standard Deviation 543.21
Mean Dose of Mycophenolate Mofetil
Month 6 (n=88)
1457.39 milligrams (mg)
Standard Deviation 754.51
Mean Dose of Mycophenolate Mofetil
Month 12 (n=69)
1539.86 milligrams (mg)
Standard Deviation 669.21

SECONDARY outcome

Timeframe: Baseline, Months 1, 6, and 12

Population: ITT population. Number of participants analyzed = participants evaluable for this outcome measure. Here 'n' signifies number of participants evaluable at specified time-points.

Participants could have received more than one other immunosuppressive agents, at the discretion of treating physician. Percentage of participants who received 1 other immunosuppressive agent, 2 other immunosuppressive agents, and 3 other immunosuppressive agents are reported.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=121 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
3 Other agents: at Month 1 (n=119)
0 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
1 Other agent: at baseline (n=121)
0.8 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
1 Other agent: at Month 1 (n=119)
0.8 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
1 Other agent: at Month 6 (n=86)
2.3 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
1 Other agent: at Month 12 (n=69)
7.2 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
2 Other agents: at baseline (n=121)
90.9 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
2 Other agents: at Month 1 (n=119)
99.2 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
2 Other agents: at Month 6 (n=86)
97.7 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
2 Other agents: at Month 12 (n=69)
92.8 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
3 Other agents: at baseline (n=121)
8.3 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
3 Other agents: at Month 6 (n=86)
0 percentage of participants
Percentage of Participants Who Received Other Immunosuppressive Agents in Combination With Mycophenolate Mofetil
3 Other agents: at Month 12 (n=69)
0 percentage of participants

SECONDARY outcome

Timeframe: Baseline to Month 1, Months 2 to 6, Months 7 to 12

Population: Safety population included all enrolled renal transplant participants who received mycophenolate mofetil containing immunosuppressive combination therapy (safety population=128). Number of participants analyzed = participants evaluable for this outcome measure. Here 'n' signifies number of participants evaluable at specified time-points.

Percentage of participants who experienced acute rejection within 1 month of transplantation, Month 2 to Month 6 after transplantation, Month 7 to Month 12 after transplantation are reported.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=127 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Percentage of Participants With Acute Rejection
Baseline to Month 1 (n=127)
16.5 percentage of participants
Percentage of Participants With Acute Rejection
Months 2 to 6 (n=124)
0.8 percentage of participants
Percentage of Participants With Acute Rejection
Months 7 to 12 (n=111)
0.9 percentage of participants

SECONDARY outcome

Timeframe: Months 1, 6, and 12

Population: Safety population. Number of participants analyzed = participants evaluable for this outcome measure. Here 'n' signifies number of participants evaluable at specified time-points.

Graft survival was defined as those participants who did not experience graft loss. Graft loss defined as physical loss (nephrectomy), functional loss (necessitating maintenance dialysis for \>8 weeks), re-transplant or death during the first 12 months after transplantation.

Outcome measures

Outcome measures
Measure
Renal Transplant Participants
n=127 Participants
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Percentage of Participants With Graft Survival
Month 1 (n=127)
100 percentage of participants
Percentage of Participants With Graft Survival
Month 6 (n=123)
99.2 percentage of participants
Percentage of Participants With Graft Survival
Month 12 (n=111)
98.4 percentage of participants

Adverse Events

Renal Transplant Participants

Serious events: 33 serious events
Other events: 51 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Renal Transplant Participants
n=128 participants at risk
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Cardiac disorders
Acute myocardial infarction
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Gastrointestinal disorders
Diarrhoea
0.78%
1/128 • From Baseline up to Month 12
Safety population.
General disorders
Sudden death
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Immune system disorders
Kidney transplant rejection
3.1%
4/128 • From Baseline up to Month 12
Safety population.
Immune system disorders
Transplant rejection
10.9%
14/128 • From Baseline up to Month 12
Safety population.
Infections and infestations
Cystitis
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Infections and infestations
Influenza
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Infections and infestations
Pneumonia
2.3%
3/128 • From Baseline up to Month 12
Safety population.
Infections and infestations
Postoperative abscess
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Injury, poisoning and procedural complications
Complications of transplanted kidney
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Injury, poisoning and procedural complications
Perirenal haematoma
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Injury, poisoning and procedural complications
Post procedural haemorrhage
1.6%
2/128 • From Baseline up to Month 12
Safety population.
Injury, poisoning and procedural complications
Ureteric anastomosis complication
1.6%
2/128 • From Baseline up to Month 12
Safety population.
Investigations
Blood creatinine increased
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Nervous system disorders
Cerebrovascular accident
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Renal and urinary disorders
Pyelocaliectasis
1.6%
2/128 • From Baseline up to Month 12
Safety population.
Renal and urinary disorders
Tubulointerstitial nephritis
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Renal and urinary disorders
Ureteral disorder
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Renal and urinary disorders
Ureterolithiasis
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Reproductive system and breast disorders
Varicocele
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Respiratory, thoracic and mediastinal disorders
Respiration abnormal
0.78%
1/128 • From Baseline up to Month 12
Safety population.
Vascular disorders
Haematoma
1.6%
2/128 • From Baseline up to Month 12
Safety population.
Infections and infestations
Urinary tract infection
0.78%
1/128 • From Baseline up to Month 12
Safety population.

Other adverse events

Other adverse events
Measure
Renal Transplant Participants
n=128 participants at risk
Renal transplant participants who were subjected to a combined immunosuppressive treatment containing mycophenolate mofetil, were followed-up until the end of the study (after 12 months), or until the participant's death, withdrawal, or lost contact with the participant, whichever occurred first. The choice of treatment was made prior to enrollment by the treating physician. The treatment was administered according to applicable therapeutic protocol and SmPC. The study protocol did not specify any treatment regimen.
Gastrointestinal disorders
Diarrhoea
14.8%
19/128 • From Baseline up to Month 12
Safety population.
Renal and urinary disorders
Hyperuricaemia
5.5%
7/128 • From Baseline up to Month 12
Safety population.
Renal and urinary disorders
Urinary tract infection
18.8%
24/128 • From Baseline up to Month 12
Safety population.
Respiratory, thoracic and mediastinal disorders
Upper respiratory infection
7.8%
10/128 • From Baseline up to Month 12
Safety population.
Blood and lymphatic system disorders
Anemia
10.2%
13/128 • From Baseline up to Month 12
Safety population.

Additional Information

Medical Communications

Hoffmann-La Roche

Phone: 800-821-8590

Results disclosure agreements

  • Principal investigator is a sponsor employee The Study being conducted under this Agreement is part of the Overall Study. Investigator is free to publish in reputable journals or to present at professional conferences the results of the Study, but only after the first publication or presentation that involves the Overall Study. The Sponsor may request that Confidential Information be deleted and/or the publication be postponed in order to protect the Sponsor's intellectual property rights.
  • Publication restrictions are in place

Restriction type: OTHER