alpha-galactosidase A deficiency Anderson-Fabry disease Fabry Disease
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: In order to be eligible to participate in this study, a subject must meet all of the following criteria: Fabry patients: * Signed informed consent * Agreeing to be informed about medically relevant personal test-results by a physician * Definite diagnosis of FD according to previously developed diagnostic criteria (see protocol: appendix A, Table 1. for diagnostic criteria).
Exclusion criteria
Exclusion criteria: Subjects who meet any of the following criteria will be excluded from participation in this study: Fabry patients: * Unwillingness to participate * Uncertain FD diagnosis (not fulfilling the criteria mentioned in protocol: appendix A, Table 1) * Unable to execute approximately two hours of neuropsychological tests * Medical conditions which make participation in the study not feasible (e.g. other diseases than FD affecting the brain), decided by a medical doctor during screening * Clinically relevant comorbidities, not attributable to FD, presumably influencing neuropsychological test results * Severe hearing loss and/or vision loss resulting in inability to complete neuropsychological tests and questionnaires
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary objective: * Cognitive functioning and prevalence of cognitive and psychological impairment in Fabry patients assessed with a neuropsychological test battery | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary objectives: * Changes in cognitive and psychological functioning and prevalence of cognitive impairment in Fabry patients assessed with a neuropsychological test battery during two years follow-up * Prevalence of depression assessed with The Center for Epidemiologic Studies Depression Scale Revised * Sleep quality and sleep habits assessed with the Pittsburgh Sleep Quality Index * Physical activity assessed with the International Physical Activity Questionnaire *last seven days* * Coping strategies assessed with the Utrecht Coping List | — |
Countries
Netherlands