Analysis of Velmanase Alfa (Lamzede®)'s Effects in the Body of Children With Alpha-Mannosidosis Under the Age 3

NCT ID: NCT06184503

Last Updated: 2025-05-16

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

5 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-02-19

Study Completion Date

2029-09-30

Brief Summary

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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.

Detailed Description

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Conditions

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Alpha-Mannosidosis

Study Design

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Observational Model Type

OTHER

Study Time Perspective

OTHER

Study Groups

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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.

Velmanase Alfa

Intervention Type DRUG

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.

Interventions

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Velmanase Alfa

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.

Intervention Type DRUG

Other Intervention Names

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Lamzede

Eligibility Criteria

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Inclusion Criteria

* Subjects with the provision of informed consent from their legal guardians (LAR)
* Have a confirmed diagnosis of alpha mannosidosis
* Have initiated treatment with velmanase alfa between birth to at least six weeks before turning 3 years of age
* Have information on the disease marker GlcNAc(Man)2 obtained:

before velmanase treatment initiation (ideally max 6 month before), 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).
Maximum Eligible Age

3 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Chiesi Farmaceutici S.p.A.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Nicklaus Children's Hospital

Miami, Florida, United States

Site Status RECRUITING

Greenwood Genetic Center

Greenwood, South Carolina, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Chiesi Clinical trials

Role: CONTACT

+39.0521 2791

Facility Contacts

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Parul Jayakar

Role: primary

786-624-4717

Laura Buch

Role: primary

864-250-7944

Related Links

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Other Identifiers

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CLI-LMZYMAA2-04

Identifier Type: -

Identifier Source: org_study_id

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