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Fabry DiseasePhase 1NCT00357786

An Open-Label Maintenance Study of the Enzyme Replacement Therapy Replagal in Patients With Fabry Disease

A Phase 1 study testing Replagal agalsidase alfa and Replagal in people with Fabry Disease, run by National Institute of Neurological Disorders and Stroke (NINDS) at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study will continue to evaluate the safety of using intravenous doses of Replagal for two patients with Fabry disease. Fabry disease is a genetic disorder inherited as an X-linked recessive trait. Read more about this study

Who is it for?
Ages 39 to 45 years, men only
Conditions the study is for
Fabry Disease
What is being tested?
Replagal agalsidase alfa and Replagal
Could I receive a placebo?
No, everyone receives an active treatment
How many people
3 participants
Where
1 siteUnited States
Study dates
Oct 2003to Dec 2008
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 39 to 45 years
  • Men only
  • No healthy volunteers
  • Adult
  • Patients are under direct care of PI and have previously been treated with Replagal under TKT, Inc. sponsored study numbers 02-N-0220/TKT/010/015.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • National Institutes of Health Clinical Center, 9000 Rockville Pike

    Bethesda, Maryland, 20892

Other trials in United States

About this study

Official title: An Open-Label Maintenance Study of the Enzyme Replacement Therapy Replagal® (Registered Trademark) in Patients With Fabry Disease

This study will continue to evaluate the safety of using intravenous doses of Replagal for two patients with Fabry disease. Fabry disease is a genetic disorder inherited as an X-linked recessive trait. It causes a deficiency in the enzyme alpha galactosidase, which normally breaks down a lipid, or fatty substance called ceramidetrihexoside, a building block in all cells of the body. The deficiency in breaking down the lipid eventually causes that lipid to accumulate and injure cells. Vascular, renal, and neurological problems are the results. It is not known exactly how lipid accumulation brings about such problems, studies of another lipid storage disorder.

Two patients 7 to 17 years of age who have Fabry disease and have been receiving intravenous infusions of Replagal at a dose of 0.2 mg/kg of body weight every 2 weeks may be eligible for this study.

Read more

Participants will undergo the following tests and procedures:

  • Physical examination.
  • Neurological examination.
  • Medical and medication history.
  • Vital signs.
  • Assessment of height and weight.
  • Blood tests to determine complete blood count and chemistries.
  • Electrocardiogram.
  • Doppler blood flow study.

Participants will go through a baseline evaluation, over a period of about 1 day. They will receive an intravenous infusion of Replagal every other week, at the dose of 0.2 mg/kg of body weight. Vital signs will be measured before the infusion and immediately and after and 1 hour afterward. There will be careful monitoring for allergic reactions and side effects. The infusion time takes approximately 40 minutes.

This study will last at least 1 year, or until the sponsor doing the investigating or the drug manufacturer decides to withdraw support of the study.

Read the detailed description

Objectives: This goal of this study is to continue treating two patients with Fabry disease using enzyme replacement therapy (ERT) using Replagal (agalsidase alfa) at a dose of 0.2 mg/kg of body weight administered every 2 weeks. Study Population: Two patients with Fabry disease who are currently on clinical research protocols 00-N-0185/TKT011 or 02-N-0220/TKT015 and who are stable on ERT. Design: This is an open label study. Outcome Measures: Mainly safety parameters will be obtained. Study duration is estimated to be 2 years.

Conditions
Fabry Disease
Being tested
Replagal agalsidase alfa, Replagal
Keywords
Lysosomal Disease, Glycolipid, Stroke, Peripheral Neuropathy, Storage Disorder
Medical subject headings
Fabry Disease, Stroke, Peripheral Nervous System Diseases

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Replagal agalsidase alfaDrug

  • ReplagalDrug

Study groups in NCT00357786
Study groupRoleWhat they receive
AExperimentalEnzyme replacement for Fabry's Disease
Receives: Drug: Replagal agalsidase alfa; Drug: Replagal

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Kidney function

    Measured: 3 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted27 Jul 2006 (estimated)
  2. Study startOct 2003
  3. Primary completionDec 2008

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
3 participants
IDs, dates and publications
ClinicalTrials.gov ID
NCT00357786
Sponsor's protocol ID
040027
Other IDs
04-N-0027
Status last verified
Dec 2008
First submitted
26 Jul 2006
Last updated
17 Aug 2011
Results posted
No

Publications

  • Brady RO, Gal AE, Bradley RM, Martensson E, Warshaw AL, Laster L. Enzymatic defect in Fabry's disease. Ceramidetrihexosidase deficiency. N Engl J Med. 1967 May 25;276(21):1163-7. doi: 10.1056/NEJM196705252762101. No abstract available.

    PubMed 6023233
  • Kahn P. Anderson-Fabry disease: a histopathological study of three cases with observations on the mechanism of production of pain. J Neurol Neurosurg Psychiatry. 1973 Dec;36(6):1053-62. doi: 10.1136/jnnp.36.6.1053.

    PubMed 4204059
  • Kaye EM, Kolodny EH, Logigian EL, Ullman MD. Nervous system involvement in Fabry's disease: clinicopathological and biochemical correlation. Ann Neurol. 1988 May;23(5):505-9. doi: 10.1002/ana.410230513.

    PubMed 3133979

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Replagal agalsidase alfa and Replagal in people with Fabry Disease, run by National Institute of Neurological Disorders and Stroke (NINDS) at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 17 Aug 2011. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Kidney function (time frame: 3 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00357786, which also lists 3 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Aug 2011.

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