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Mucopolysaccharidosis IPhase 3NCT00146770

Phase 3 Extension Study of the Safety and Efficacy of Aldurazyme® (Laronidase) in Mucopolysaccharidosis I (MPS I) Patients

A Phase 3 study testing Aldurazyme in people with Mucopolysaccharidosis I and Hurler's Syndrome, run by Genzyme, a Sanofi Company at 25 sites in 7 countries.

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 is being conducted to collect additional long-term efficacy and safety data of Aldurazyme® (laronidase) patients with MPS I disease. Patients who were previously enrolled in the Phase 3 Double-Blind Study will be enrolled in this study. Read more about this study

Who is it for?
Any age
What is being tested?
Aldurazyme
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
45 participants
Where
25 sitesin 7 countries
Study dates
May 2001to Mar 2005
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • The patient or patient's legal guardian must provide written informed consent prior to any protocol-related procedures being performed.
  • The patient must have successfully completed Study ALID-003-99 (who received 21 of 26 consecutive weekly infusions).
  • The patient has not experienced any safety issues that would contraindicate participation in the Extension study.
  • A female patient of childbearing potential must have a negative pregnancy test at entry

Who cannot join

  • The patient is pregnant or lactating.
  • The patient has received an investigational drug within 30 days prior to the study enrollment.
  • The patient has a medical condition, serious intercurrent illness, or other extenuating circumstance that may significantly interfere with study compliance including all prescribed evaluations and follow-up activities

Trial locations and contacts

25 sites in 7 countries.

25 sites in 7 countries

United States8 sites
  • Emory University School of Medicine

    Atlanta, Georgia, 30322

  • University of North Carolina at Chapel Hill

    Chapel Hill, North Carolina, 27599

  • Merle West Medical Center

    Klamath Falls, Oregon, 97601

  • University of South Alabama

    Mobile, Alabama, 36604

  • The Childrens Hospital of Philadelphia

    Philadelphia, Pennsylvania, 19104

  • Rhode Island Hospital

    Providence, Rhode Island, 02903

  • University of Rochester

    Rochester, New York, 14542

  • Toledo Children's Hospital

    Toledo, Ohio, 43606

Other trials in United States

United Kingdom7 sites
  • Belfast City Hospital

    Belfast, BT9 78A

  • Birmingham Children's Hospital

    Birmingham, B4 6NH

  • Blackpool Victoria Hospital

    Blackpool, Lancashire, FY3 8NR

  • Bristol Royal Hospital for Children and Frenchay Hospital

    Bristol, BS16 1LE

  • Gartnavel Hospital

    Glasgow, G11 6NT

  • Great Ormond Street Hospital for Sick Children and NHS Trust

    London, WC1N 3GH

  • Royal Victoria Hospital

    Newcastle upon Tyne, NE1 4LB

Other trials in United Kingdom

Germany4 sites
  • Children's Hospital Klinikum Nord Heidberg

    Hamburg, 22143

  • Medizinishe Hochshule Hannover

    Hanover, 30625

  • Children's Hospital at the University Hospital of Heidelberg

    Heidelberg, 69120

  • Children's Hospital Klinikum der F.S. Universitat

    Jena, 07740

Other trials in Germany

Brazil2 sites
  • Hospital Universatario de Universidade Federal de Santa Catarina

    Florianópolis, 88040-500

  • Hospital Infantil Joana de Gusmao

    Florianópolis, CEP 88025-301

Other trials in Brazil

Canada2 sites
  • Alberta Children's Hospital

    Calgary, T2T 5C7

  • The Hospital for Sick Children

    Toronto, Ontario, M5G 1X8

Other trials in Canada

Italy1 site
  • Catholic University Sacro Cuore

    Rome, 00168

Other trials in Italy

Netherlands1 site
  • Academisch Ziekenhuis Rotterdam

    Rotterdam, 3000 GR

Other trials in Netherlands

About this study

Official title: A Multicenter, Multinational, Open-Label Extension Study of the Safety and Efficacy of Aldurazyme® (Laronidase) in Patients With Mucopolysaccharidosis I

This study is being conducted to collect additional long-term efficacy and safety data of Aldurazyme® (laronidase) patients with MPS I disease. Patients who were previously enrolled in the Phase 3 Double-Blind Study will be enrolled in this study.

Being tested
Aldurazyme, placebo
Medical subject headings
Mucopolysaccharidosis I

What participants receive

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

  • AldurazymeBiological

    Placebo for 26 weeks then 0.58 mg/kg Aldurazyme every week for 182 weeks

  • AldurazymeBiological

    0.58 mg/kg Aldurazyme every week for 208 weeks

  • placeboBiological

    Placebo for 26 weeks

Study groups in NCT00146770
Study groupRoleWhat they receive
Placebo/AldurazymeActive comparatorPatients received placebo for 26 weeks in the Double-Blind Study then received 182 weeks of Aldurazyme (0.58 mg/kg every week) in this Extension Study; patients received a total of 182 weeks of Aldurazyme.
Receives: Biological: Aldurazyme; Biological: placebo
Aldurazyme/AldurazymeActive comparatorPatients received 26 weeks of Aldurazyme in the Double-Blind Study and then received 182 weeks of Aldurazyme in this Extension Study; patients received a total of 208 weeks of Aldurazyme.
Receives: Biological: Aldurazyme

What is being measured

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

  1. Change From Baseline to Week 182 in Percent Predicted Forced Vital Capacity (FVC)

    Percent Predicted Forced Vital Capacity: the maximal exhaled breath volume following a maximal inhaled breath. Overall change from Baseline to Week 182 in percent predicted FVC = (observed value)/(predicted value) * 100%). A higher value indicates a greater response.

    Measured: Baseline to Week 182

  2. Change From Baseline to Week 182 in Six Minute Walk Test (6MWT)

    Six Minute Walk Test: Distance walked (measured in Meters) in 6 minutes. A longer distance indicates a greater response.

    Measured: Baseline to Week 182

Secondary outcomes (4)
  1. Change From Baseline to Week 182 in Apnea/Hypopnea Index (AHI)

    Apnea/Hypopnea Index (AHI): Number of absent (apnea) and shallow (hypopnea) breaths per hour of sleep. A greater decrease in events indicates a greater response.

    Measured: Baseline to Week 182

  2. Change From Baseline to Week 182 in Liver Volume

    Liver Organ Volume: Volume of liver measured by Magnetic Resonance Imaging (MRI). Greater decrease in volume indicates a greater response.

    Measured: Baseline to Week 182

  3. Change From Baseline to Week 182 in Child Health Assessment Questionnaire/Health Assessment Questionnaire (CHAQ/HAQ) Disability Index Score

    CHAQ/HAQ = Patient questionnaire that measures the degree of disability on a scale of 0 (no disability) to 3 (maximal disability). A lower score indicates a greater response.

    Measured: Baseline to Week 182

  4. Change From Baseline to Week 182 in Active Joint Range of Motion (ROM)

    Active Joint Range of Motion (ROM): Shoulder Flexion Ability to maximally raise one's arm overhead without assistance. Shoulder range of motion (mean of left and right arms) measured in degrees (0-180) by goniometry. Greater degree of flexion indicates greater response.

    Measured: Baseline to Week182

Timeline

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

  1. First posted7 Sep 2005 (estimated)
  2. Study startMay 2001
  3. Primary completionMar 2005
  4. Study completionMar 2005

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 3
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Single group
Masking
None (open label)
Enrolment
45 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00146770
Sponsor's protocol ID
ALID-006-01
Status last verified
Mar 2015
First submitted
2 Sep 2005
Last updated
3 Apr 2015

Publications

  • Tandon PK, Kakkis ED. The multi-domain responder index: a novel analysis tool to capture a broader assessment of clinical benefit in heterogeneous complex rare diseases. Orphanet J Rare Dis. 2021 Apr 19;16(1):183. doi: 10.1186/s13023-021-01805-5.

    PubMed 33874971
  • Clarke LA, Wraith JE, Beck M, Kolodny EH, Pastores GM, Muenzer J, Rapoport DM, Berger KI, Sidman M, Kakkis ED, Cox GF. Long-term efficacy and safety of laronidase in the treatment of mucopolysaccharidosis I. Pediatrics. 2009 Jan;123(1):229-40. doi: 10.1542/peds.2007-3847.

    PubMed 19117887

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Aldurazyme in people with Mucopolysaccharidosis I and Hurler's Syndrome, run by Genzyme, a Sanofi Company at 25 sites in 7 countries.

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

Who may be eligible to take part?

The sponsor lists 4 inclusion and 3 exclusion criteria. 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 3 Apr 2015. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 25 sites in United States, United Kingdom, Germany, Brazil, Canada and 2 more countries. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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

Are results available for this study?

Yes. Results are posted in the registry (first posted 16 Jun 2009). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Change From Baseline to Week 182 in Percent Predicted Forced Vital Capacity (FVC) (time frame: Baseline to Week 182). The study lists 2 primary outcomes in all. 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 NCT00146770, which also lists 2 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 3 Apr 2015.

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