- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06184503
Analysis of Velmanase Alfa (Lamzede®)'s Effects in the Body of Children With Alpha-Mannosidosis Under the Age 3 (LAMPO(0-3))
A Real-world Analysis of Pharmacodynamic Response to Velmanase Alfa (Lamzede®) Treatment in Patients With Alpha-Mannosidosis Less Than 3 Years of Age
The goal of this observational study is to learn the effects of the drug velmanase alfa (Lamzede®) in the bodies of children under the age of 3 with Alpha-Mannosidosis.
The main questions it aims to answer are:
- study the effect of velmanase alfa on a marker of the disease called GlcNAc(Man)2 after one year of therapy
- explore how the child's body reacts to velmanase alfa during the therapy The parents or legal guardians of participants will be asked to provide the results of analyses performed in the routine clinical setting related to the participant's general health and the administration of velmanase alfa.
Additional data will be extracted from other observational sponsored studies/registries, compassionate use programs, investigator-initiated studies (IIS), and published case reports (presented in the literature) if existing.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Chiesi Clinical trials
- Phone Number: +39.0521 2791
- Email: clinicaltrials_info@chiesi.com
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Participants with the provision of informed consent from their legal guardians
- Confirmed diagnosis of alpha mannosidosis
- Velmanase alfa treatment initiation from birth to at least six weeks before turning 3 YOA, where the standard of care follow-up includes the following:
- Data for GlcNAc(Man)2 levels obtained when the participant was < 3 YOA for:
- At least one pre-treatment sample obtained no more than 13 weeks before initiating velmanase alfa treatment, and
- At least one post-treatment sample, collected following at least six weeks of treatment.
- Participants treated with Lamzede, 1 mg/kg body weight, via weekly intravenous infusions.
Exclusion Criteria:
Participants who have undergone prior hematopoietic stem cell transplantation (HSCT) or other investigational therapies for treating alfa mannosidosis (supportive treatments acceptable).
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Paediatric patients with alpha-mannosidosis treated with Lamzede before 3 years of age
Paediatric patients with a confirmed diagnosis of alpha-mannosidosis with data for at least one pre- and one post-Lamzede treatment sample obtained when < 3 YOA.
|
Lamzede® (velmanase alfa, henceforth referred to as Lamzede) is a recombinant human lysosomal alpha-mannosidase product developed as an intravenous enzyme replacement therapy (ERT) for the treatment of alpha-mannosidosis.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pharmacodynamic Response to velmanase alfa
Time Frame: 52 weeks of treatment
|
Change (absolute and relative) of GlcNAc(Man)2 level from pre-velmanase alfa treatment baseline in blood
|
52 weeks of treatment
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Development of anti drug antibody to velmanase alfa
Time Frame: 52 weeks of treatment
|
Assessment of the impact of anti drug antibody on pharmacodinamic
|
52 weeks of treatment
|
Treatment-emergent adverse events
Time Frame: 52 weeks
|
Number of undesirable events not present prior to medical treatment, or an already present event that worsens either in intensity or frequency following the treatment
|
52 weeks
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CLI-LMZYMAA2-04
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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