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Study ALD-103 will be a multi-site, global, prospective and retrospective data collection study that is designed to evaluate outcomes of allo-HSCT in male subjects with CALD ≤17 years of age.


X-Linked Adrenoleukodystrophy (X-ALD), Cerebral Adrenoleukodystrophy (CALD), Adrenoleukodystrophy (ALD)

Recruitment Status


Eligibility Criteria

Inclusion Criteria:

Provide informed consent from a competent custodial parent or guardian with legal capacity to execute a local Institutional Review Board (IRB)/Independent Ethics Committee (IEC) approved consent. In addition, informed assent will be sought from capable subjects, in accordance with the directive of the institution's IRB/IEC and all other local requirements.
Be male and ≤17 years of age at the time of treatment, for retrospective and partial prospective/retrospective subjects, or at the time of parental/guardian consent and, where appropriate, subject assent, for prospective subjects.
Have a confirmed diagnosis of CALD as defined by abnormal VLCFA profile and cerebral lesion on brain MRI.

Depending on the cohort, the subject must:

Be scheduled for allo-HSCT evaluation at a study site (prospective cohort only),
Have received an allo-HSC infusion and be consented in time to complete the Month 24 Visit on study (partial prospective/retrospective cohort only), or
Have received their most recent allo-HSC infusion on or after January 1, 2013 (retrospective cohort only).

Exclusion Criteria:

Previous treatment with a gene therapy product.
Receipt of an experimental transplantation procedure.


Intervention Type

Intervention Name





Min Age


Max Age

17 Years

Download Date

May 21, 2020

Principal Investigator


Primary Contact Information

For more information on this trial, visit


For more information and to contact the study team:

Observational Study to Evaluate Allogeneic HSCT Outcomes for Cerebral Adrenoleukodystrophy (CALD) NCT02204904