VITamine D Supplementation in RenAL Transplant Recipients - VITALE (VITALE)

Study Description

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Brief Summary:

It has been proposed that the intake of high dose of cholecalciferol may have beneficial non classical effects (beside bone health). This could include the reduction of type 2 diabetes mellitus, cardiovascular diseases, cancers, autoimmune and infectious diseases. These pleiotropic effects are mostly documented by observational and experimental studies or small intervention trials. In renal transplant recipients, vitamin D insufficiency, defined as circulating 25(OH)vitamin D (25OHD) less than 30 ng/mL, is a frequent finding and this population is at risk of the previously cited complications.The primary purpose of this study is to compare the effects of high dose vs. low dose of cholecalciferol on a composite endpoint consisting in de novo diabetes mellitus, cardiovascular diseases, de novo cancer and patient death.Renal transplant recipients between 12 and 48 months after transplantation will be randomized to blindly receive either high or low dose of cholecalciferol with a follow-up of 2 years.

Condition or disease	Intervention/treatment	Phase
Renal Transplant Candidate for Right Kidney	Drug: Cholecalciferol 100 000 UI; Drug: Cholecalciferol 12 000 UI	Phase 4

Detailed Description:

Rationale :

Vitamin D cannot be considered any more as only necessary to prevent rickets or osteomalacia. Calcitriol produced in the kidney is known to have classical endocrine PHOSPHOCALCIC properties. More recently, vitamin D has been shown to play an important role in reducing the risk of many chronic diseases including type 2 diabetes mellitus, cardiovascular diseases, cancers, autoimmune and infectious diseases. These effects may be secondary to local production of calcitriol and to its autocrine and paracrine actions on cellular proliferation and differentiation, apoptosis, insulin and renin secretion, interleukin and bactericidal proteins production. These pleiotropic effects are mostly documented by observational and experimental studies or small intervention trials that most often evaluated intermediate parameters. In renal transplant recipients, vitamin D insufficiency (circulating 25OHD<30 ng/mL or 75 nmol/L) , is a frequent finding with more than 80% of patients displaying this profile.

Objective:

Primary objective: compare the effects of high dose vs. low dose of cholecalciferol on a composite endpoint including

• De novo diabetes mellitus (fasting glycemia > 7 MMOLES/l or glycemia > 11 MMOLES/l)
• Cardiovascular complications (acute coronary heart disease, acute heart failure, lower-extremity arterial disease, cerebrovascular disease).
• De novo cancer,
• Patient death.

Secondary objectives : compare the effects of high dose vs. low dose of cholecalciferol on

• The occurrence of each event constituting the primary endpoint
• Blood pressure and blood pressure control (number and dosage of antihypertensive drugs)
• Echocardiography findings
• Infection including opportunistic (CMV, pneumocystis, nocardial infection, cryptococcal infection, aspergillosis)
• Acute rejection episode
• Renal allograft function including estimated glomerular filtration rate and proteinuria - Graft survival
• PHOSPHOCALCIC biological and clinical relevant parameters : Evolution of serum 25OHD, calcaemia, phosphataemia, serum PTH, bone mineral density and incidence of fractures
• Renal lithiasis

Study protocol

Number of patients: 320 patients in each group Inclusions : 2 years Follow-up after inclusion : 2 years Prospective, randomized, multicentre, double blind clinical study comparing high dose cholecalciferol [100 000 UI FORTHIGHTLY for 2 months then monthly for 22 months) vs. low dose cholecalciferol [12 000 UI FORTHIGHTLY for 2 months then monthly for 22 months).

Study Design

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Study Type :	Interventional (Clinical Trial)
Actual Enrollment :	538 participants
Allocation:	Randomized
Intervention Model:	Parallel Assignment
Masking:	Double (Participant, Investigator)
Primary Purpose:	Treatment
Official Title:	Prospective Double Blind Multicentre Randomized Trial of Vitamine D Estimating the Profit of a Treatment by Vitamin D3 at the Dose of 100000 UI by Comparison With a Treatment in the Dose of 12 000 UI at Renal Transplanted Patients
Actual Study Start Date :	January 6, 2012
Actual Primary Completion Date :	February 2, 2016
Actual Study Completion Date :	February 2, 2016

Arms and Interventions

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Arm	Intervention/treatment
Experimental: Cholecalciferol 100 000 UI; Cholecalciferol 100 000 UI FORTHIGHTLY for 2 months then monthly for 22 months	Drug: Cholecalciferol 100 000 UI; Cholecalciferol 100 000 UI FORTHIGHTLY for 2 months then monthly for 22 months
Active Comparator: Cholecalciferol 12 000 UI (Control); Cholecalciferol 12 000 UI FORTHIGHTLY for 2 months then monthly for 22 months.	Drug: Cholecalciferol 12 000 UI; Cholecalciferol 12 000 UI FORTHIGHTLY for 2 months then monthly for 22 months.

Outcome Measures

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Primary Outcome Measures :

1. De novo diabetes mellitus [ Time Frame: 2 years ]
   De novo diabetes mellitus (fasting glycemia > 7 mmoles/l or glycemia > 11 mmoles/l)
2. Cardiovascular complications [ Time Frame: 2 years ]
   Cardiovascular complications (acute coronary heart disease, acute heart failure, lower-extremity arterial disease, cerebrovascular disease).
3. De novo cancer [ Time Frame: 2 years ]
   Diagnosis of the incidence of any new cancer
4. Patient death [ Time Frame: 2 years ]

Secondary Outcome Measures :

1. Blood pressure control [ Time Frame: 2 years ]
   Blood pressure and blood pressure control (number and dosage of antihypertensive drugs)
2. Echocardiography findings [ Time Frame: 2 years ]
   Comparison of left ventricular ejection fraction
3. Infection including opportunistic [ Time Frame: 2 years ]
   Infection including opportunistic (CMV, pneumocystis, nocardial infection, cryptococcal infection, aspergillosis)
4. Acute rejection episode [ Time Frame: 2 years ]
5. Renal allograft function [ Time Frame: 2 years ]
   Renal allograft function including estimated glomerular filtration rate, proteinuria
6. Graft survival [ Time Frame: 2 years ]
7. Phosphocalcic biological and clinical relevant parameters [ Time Frame: 2 years ]
   PHOSPHOCALCIC biological and clinical relevant parameters : Evolution of serum 25OHD, calcaemia, phosphataemia, serum PTH, bone mineral density and incidence of fractures
8. Renal lithiasis [ Time Frame: 2 years ]

Eligibility Criteria

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Ages Eligible for Study:	18 Years to 75 Years (Adult, Senior)
Sexes Eligible for Study:	All
Accepts Healthy Volunteers:	No

Criteria

Inclusion Criteria:

• Renal transplant recipients between 12 and 48 months after transplantation with a stable renal function during the past 3 months.
• Vitamine D insufficiency defined as a concentration of 25OHD lower than 30 ng/ml.
• Patient between 18 and 75 years old
• Patient capable of understanding the advantages and the risks of the study.
• Affiliated with social security health insurance
• Written informed consent

Exclusion Criteria:

• Calcaemia > 2,7 mmol/l
• Phosphataemia > 1,5 mmol/l
• Serum creatinine > 250 µmol/l
• Treatment by an active form of the vitamin D not being able to be interrupted
• Transplant of an organ other than the kidney
• Type I or type II diabetes mellitus
• Past medical history of granulomatosis or active granulomatosis
• Primary hyperoxaluria
• Malabsorption proved by the liposoluble vitamins
• Simultaneous participation in another therapeutic essay
• Patients presenting a drug addiction or a psychiatric disorder
• Pregnant or breast-feeding women
• Vitamin D hyper sensibility

Contacts and Locations

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Locations

France
Georges Pompidou European Hospital
Paris, France, 75015

Sponsors and Collaborators

Assistance Publique - Hôpitaux de Paris

Laboratoire Crinex

Investigators

Principal Investigator:	Eric THERVET, MD, PhD	European Georges Pompidou Hospital

More Information

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Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Courbebaisse M, Alberti C, Colas S, Prié D, Souberbielle JC, Treluyer JM, Thervet E. VITamin D supplementation in renAL transplant recipients (VITALE): a prospective, multicentre, double-blind, randomized trial of vitamin D estimating the benefit and safety of vitamin D3 treatment at a dose of 100,000 UI compared with a dose of 12,000 UI in renal transplant recipients: study protocol for a double-blind, randomized, controlled trial. Trials. 2014 Nov 6;15:430. doi: 10.1186/1745-6215-15-430.

Responsible Party:	Assistance Publique - Hôpitaux de Paris
ClinicalTrials.gov Identifier:	NCT01431430 History of Changes
Other Study ID Numbers:	P100103
First Posted:	September 9, 2011
Last Update Posted:	December 21, 2017
Last Verified:	December 2017

Keywords provided by Assistance Publique - Hôpitaux de Paris:

Vitamine D; renal transplantation; diabetes mellitus; cancer; cardiovascular complications

Additional relevant MeSH terms:

Vitamins; Vitamin D; Ergocalciferols; Cholecalciferol	Micronutrients; Growth Substances; Physiological Effects of Drugs; Bone Density Conservation Agents