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Bezafibrate in X-linked adrenoleukodystrophy (X-ALD).


- candidate number8225
- NTR NumberNTR2411
- ISRCTNISRCTN wordt niet meer aangevraagd.
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR10-jul-2010
- Secondary IDs09/278 MEC AMC
- Public TitleBezafibrate in X-linked adrenoleukodystrophy (X-ALD).
- Scientific TitleBezafibrate in X-linked adrenoleukodystrophy (X-ALD).
- ACRONYMBEZA
- hypothesisThe primary objective of this study is to determine if bezafibrate can reduce VLCFA in plasma, lymphocytes and erythrocytes and C26:0-lysophosphatidylcholine in patients with X-linked adrenoleukodystrophy.
- Healt Condition(s) or Problem(s) studiedX-linked adrenoleukodystrophy (X-ADL), AMN phenotype
- Inclusion criteria1. An age of 18 years or older;
2. Capable of giving informed consent and physically capable of visiting the hospital for follow-up visits;
3. No contra-indications for the use of bezafibrate, e.g. kidney- and/or liver disease;
4. Confirmed X-ALD, AMN phenotype (confirmed by VLCFA analysis and mutation analysis of the ABCD1 gene).
- Exclusion criteria1. Use of medication that lowers cholesterol and/or triglycerides (e.g. statins);
2. Liver disease or and increase in serum CK of more than 3 times the baseline level;
3. Treatment with Lorenzo’s oil in the 8 weeks preceding the trial.
- mec approval receivedyes
- multicenter trialno
- randomisedno
- groupParallel
- TypeSingle arm
- Studytypeintervention
- planned startdate 6-jul-2010
- planned closingdate1-jul-2011
- Target number of participants10
- InterventionsBezafibrate 400 mg 1 pd during three months, followed by bezafibrate 400 mg 2 pd during three months.
- Primary outcome1. Cholesterol (total-, LDL-, and HDL-cholesterol) and triglycerides in plasma;
2. VLCFA (C22:0, C24:0 and C26:0) in plasma, leukocytes and erythrocytes;
3. C26:0-lysophosphatidylcholine in blood.
- Secondary outcomeSide effects reported by patients and abnormalities in the safety lab.
- Timepoints0, 4, 8, 12, 16, 20 and 24 weeks.
- Trial web siteN/A
- statusopen: patient inclusion
- CONTACT FOR PUBLIC QUERIESMD. M. Engelen
- CONTACT for SCIENTIFIC QUERIESMD. M. Engelen
- Sponsor/Initiator Academic Medical Center (AMC), Department of Neurology
- Funding
(Source(s) of Monetary or Material Support)
Stop ALD
- PublicationsN/A
- Brief summaryBackground of the study:
X-linked adrenoleukodystrophy (X-ALD) is an inherited metabolic disorder characterised by accumulation of very long chain fatty acids (VLCFA) in plasma and tissue. Presumably this accumulation is responsible for tissue damage. The disease can cause severe demyelinisation of the central nervous system usually causing death in childhood or progressive ambulatory problems in adults caused by a progressive myelopathy. For the latter category of patients no curative treatment is currently available. Recent investigations in human fibroblasts and mice identified bezafibrate as an agent that might reduce VLCFA in patients with X-ALD.

Objective of the study:
The trial is designed as an open-label pilot study. The main goal is to investigate if bezafibrate can reduce VLCFA in vivo in patient with X-ALD. If there is indeed a biochemical effect, a large follow-up study will be initiated with clinical outcome parameters.

Study design:
10 men with X-ALD will use bezafibrate during a period of 6 months (in combination with a low fat diet). On 6 different time points the participants will undergo a vanapuncture for detecting possible side effects and to determine the biochemical outcome parameters.

Study population:
Adult men with X-linked adrenoleukodystrophy.

Intervention:
Bezafibrate.

Primary study parameters/outcome of the study:
The primary outcome parameters are cholesterol levels (total-, LDL, and HDL) and triglycerid levels in plasma, VLCFA levels in plasma, leukocytes and erythrocytes and also C26:0-lyso-PC in bloodspots.

Secondary study parameters/outcome of the study:
Secondary outcome parameters are side-effects (subjective and abnormalities in the safety lab).
- Main changes (audit trail)
- RECORD10-jul-2010 - 21-sep-2010


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