NCT05755568

Brief Summary

The main aim of this study is to learn about metachromatic leukodystrophy (MLD) in children and teenagers in Spain. This includes checking the number of new MLD cases and the frequency of children with MLD in 2022 in Spain. There is no treatment involved in this study. Participants' data will be taken from their medical records (charts), which were already collected as a part of their routine care between 01 January 2000 and 31 December 2022.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Nov 2023

Shorter than P25 for all trials

Geographic Reach
1 country

10 active sites

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 2, 2023

Completed
1 month until next milestone

First Posted

Study publicly available on registry

March 6, 2023

Completed
9 months until next milestone

Study Start

First participant enrolled

November 30, 2023

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2024

Completed
Last Updated

January 12, 2024

Status Verified

January 1, 2024

Enrollment Period

7 months

First QC Date

February 2, 2023

Last Update Submit

January 10, 2024

Conditions

Keywords

Drug Therapy

Outcome Measures

Primary Outcomes (6)

  • Overall Number of New Cases Diagnosed With MLD During Year 2022

    Data for Year 2022 will be considered as a part of retrospective data collection from 01 January 2000 to 31 December 2022 obtained from health records.

    1 year

  • Number of New Cases Diagnosed With MLD per Subgroups of Phenotype During Year 2022

    Data for Year 2022 will be considered as a part of retrospective data collection from 01 January 2000 to 31 December 2022 obtained from health records.

    1 year

  • Overall Number of Participants With MLD Alive On 31 December 2022

    Data for this outcome measure will be collected on last day of retrospective data collection from 01 January 2000 to 31 December 2022 obtained from health records.

    1 day

  • Number of Participants With MLD Alive On 31 December 2022 per Subgroups of Phenotype

    Data for this outcome measure will be collected on last day of retrospective data collection from 01 January 2000 to 31 December 2022 obtained from health records.

    1 day

  • Overall Number of Participants With MLD Alive at Any Time During Year 2022

    Data for Year 2022 will be considered as a part of retrospective data collection from 01 January 2000 to 31 December 2022 obtained from health records.

    1 year

  • Number of Participants With MLD Alive at Any Time During Year 2022 per Subgroups of Phenotype

    Data for Year 2022 will be considered as a part of retrospective data collection from 01 January 2000 to 31 December 2022 obtained from health records.

    1 year

Secondary Outcomes (18)

  • Number of Late Infantile and Juvenile (Early Juvenile and Late Juvenile) Phenotypes in Participants With MLD

    23 years

  • Age at Symptom Onset in Participants With MLD

    23 years

  • Number of Participants With MLD Categorized Based on Clinical Signs/ Symptoms at Disease Onset

    23 years

  • Age of Participants at Diagnosis of MLD

    23 years

  • Time of Diagnosis Delay

    23 years

  • +13 more secondary outcomes

Study Arms (1)

MLD Participants

Data from medical records of participants diagnosed with late infantile or juvenile MLD at any time from 1 January 2000 to 31 December 2022 will be observed retrospectively.

Other: No Intervention

Interventions

As this is an observational study, no intervention will be administered.

MLD Participants

Eligibility Criteria

Age0 Years - 15 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)
Sampling MethodProbability Sample
Study Population

Participants diagnosed with late infantile or juvenile MLD in Spain.

You may qualify if:

  • Diagnosed with late infantile or juvenile MLD at any time between 01 January 2000 and 31 December 2022 (genetically and/or biochemically confirmed).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (10)

Hospital Clinico Universitario de Santiago

Santiago de Compostela, A Coruna, 15706, Spain

Location

Hospital Sant Joan de Deu

Esplugues de Llobregat, Barcelona, 08950, Spain

Location

Hospital Universitario de Cruces

Barakaldo, Bizkaia, 48903, Spain

Location

Hospital Universitario de Donostia

Donostia / San Sebastian, Gipuzkoa, 20014, Spain

Location

Hospital Materno Infantil de Gran Canaria

Las Palmas de Gran Canaria, Las Palmas, 35016, Spain

Location

Hospital Universitario de Canarias

San Cristóbal de La Laguna, Santa Cruz De Tenerife, 38320, Spain

Location

Hospital Universitario Vall dHebron

Barcelona, 08035, Spain

Location

Hospital Universitario Infantil Nino Jesus

Madrid, 28009, Spain

Location

Hospital Universitario Virgen del Rocio

Seville, 41013, Spain

Location

Hospital Universitario y Politecnico La Fe

Valencia, 46026, Spain

Location

Related Links

MeSH Terms

Conditions

Leukodystrophy, Metachromatic

Condition Hierarchy (Ancestors)

Hereditary Central Nervous System Demyelinating DiseasesBrain Diseases, Metabolic, InbornBrain Diseases, MetabolicBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesSulfatidosisSphingolipidosesLysosomal Storage Diseases, Nervous SystemLeukoencephalopathiesDemyelinating DiseasesMetabolism, Inborn ErrorsGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesLipidosesLipid Metabolism, Inborn ErrorsLysosomal Storage DiseasesMetabolic DiseasesNutritional and Metabolic DiseasesLipid Metabolism Disorders

Study Officials

  • Study Director

    Takeda

    STUDY DIRECTOR
0

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
RETROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 2, 2023

First Posted

March 6, 2023

Study Start

November 30, 2023

Primary Completion

July 1, 2024

Study Completion

July 1, 2024

Last Updated

January 12, 2024

Record last verified: 2024-01

Data Sharing

IPD Sharing
Will not share

Takeda does not provide access to Individual Participant Data when a study is in a very limited (small) study population due to participant privacy concerns such as potential reidentification of study participants.

Locations