Sphingomyelin Lipidosis
Conditions
Brief summary
Primary Objective: * To describe the clinical features and their severity at the time of diagnosis and their evolution over time in patients with confirmed chronic visceral and chronic neurovisceral forms of ASMD * To describe Clinician-Reported Outcomes (ClinROs) and Patient-Reported Outcomes (PROs) at enrollment and their evolution over time; disease severity at the time of diagnosis and its evolution over time Secondary Objectives: * To describe abnormal values in laboratory parameters and all values of specific clinical and imaging assessments at the time of diagnosis and their evolution over time * To study the use and applicability towards validation of a newly developed ASMD disease severity scoring system * To study the use and applicability towards validation of a newly developed ASMD PRO tool * To describe ASMD-related disease burden among patients with ASMD, caregivers, and healthcare resource utilization * To describe the association between patient demographics (eg, age, gender, race, Ashkenazi ancestry) and genotype with selected clinical features in patients with confirmed chronic visceral and chronic neurovisceral forms of ASMD
Detailed description
Estimated average of study duration (for each patient) is 2 years
Interventions
PROCEDUREInvestigational Procedures
The investigational assessments will be performed
Sponsors
Sanofi
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
NONE
Eligibility
Sex/Gender
ALL
Healthy volunteers
No
Inclusion criteria
: * Patients with confirmed diagnosis of chronic forms of ASMD based on 1) a clinical diagnosis consistent with chronic visceral ASMD (ie, NPD B) or chronic neurovisceral ASMD (ie, NPD B variant or intermediate NPD A/B) and 2) deficient enzymatic activity (as measured in peripheral leukocytes, cultured fibroblasts, lymphocytes, or DBS) or presence of 2 pathogenic SMPD1 mutations, * The patient (or patient's legal guardian) must provide signed informed consent.
Exclusion criteria
Patients suspected or diagnosed with infantile onset ASMD (ie, NPD A, with progressive developmental delay, or presence of any combination of R498L, L304P, and P333fs\*52 genotypes, if available), * Patients having received or receiving an investigational drug, * Patients receiving any ASMD specific ERT, * Patients with poor general condition that would not be able to undergo study assessments as per investigator's clinical judgment. The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Time of first occurrence and recurrence of the clinical features and medical interventions related to chronic ASMD | Minimum 2 years | — |
| Number of patients with at least one clinical feature and highest severity grade at the time of diagnosis and over time | Minimum 2 years | — |
| Clinician-Reported Outcomes (ClinROs) depending on participant's age, local regulation, local availability and investigator's discretion | Up to 2 years | Clinical Global Impression rating scale (CGI, modified), Neuropathy Symptoms Score (NSS) , Neuropathy Disability Score(NDS), Brief Ataxia Rating Scale (BARS), The Essential Tremor Rating Assessment Scale (TETRAS), Wechsler Preschool and Primary Scale of Intelligence - Fourth Edition (WPPSI™ - IV) , Wechsler Intelligence Scale for Children - Fifth Edition (WISC®-V) and Mini-Mental State Examination (MMSE) |
| Patient-Reported Outcomes (PROs) depending on participant's age, local regulation, local availability and investigator's discretion | Up to 2 years | EuroQol-5D-5L , EQ-5D-Y, Pediatric Quality of Life Inventory (PedsQL) core module, 36-Item Short Form Health Survey (SF-36) version 2 , MMRC dyspnea score, PedsQL Multidimensional Fatigue Scale, PedsQL Pediatric Pain Questionnaire, splenomegaly-related symptoms (SRS) v3, Patient Global Impression of Change (PGIC), Patient Global Impression of Symptom Severity (PGIS) |
Secondary
| Measure | Time frame |
|---|---|
| Number of patients with at least one abnormal value in laboratory parameters | Minimum 2 years |
| Forced vital capacity (FVC) level over time since the time of diagnosis | Minimum 2 years |
| Forced expiratory volume in the first second of the maneuver (FEV1) | Minimum 2 years |
| Total lung capacity (TLC) | Minimum 2 years |
| Diffusion capacity of CO (DLCO) Test | Minimum 2 years |
| Pulse Oximetry: Saturation of Peripheral Oxygen (SpO2) | Minimum 2 years |
| Liver volume | Minimum 2 years |
| Liver stiffness score | Minimum 2 years |
| Spleen volume | Minimum 2 years |
| Bone maturation for age (pediatric patients only) | Minimum 2 years |
| Association of respiratory distress with age, gender, race, Ashkenazi ancestry and genotype | Minimum 2 years |
| Body mass index (BMI) for adults only | Minimum 2 years |
| Optimization and validation of ASMD disease severity scoring system (DS3) | Up to 2 years |
| Validation of ASMD PRO instruments (24h and 7-day recall) | UP to 2 years |
| Niemann-Pick B Health Assessment Questionnaire | UP to 2 years |
| Health-related Productivity Questionnaire | UP to 2 years |
| Association of hepatomegaly with age, gender, race, Ashkenazi ancestry and genotype | Minimum 2 years |
| Association of splenomegaly with age, gender, race, Ashkenazi ancestry and genotype | Minimum 2 years |
| Association of lower respiratory tract infection with age, gender, race, Ashkenazi ancestry and genotype | Minimum 2 years |
| Association of cerebrovascular accident with age, gender, race, Ashkenazi ancestry and genotype | Minimum 2 years |
| Association of hospitalization with age, gender, race, Ashkenazi ancestry and genotype | Minimum 2 years |
| Age appropriate Z-score deviation for height and weight (children only) | Minimum 2 years |
| Association of oxygen therapy with age, gender, race, Ashkenazi ancestry and genotype | Minimum 2 years |
| Association of external bleeding episode with age, gender, race, Ashkenazi ancestry and genotype | Minimum 2 years |
| Association of myocardial infarction with age, gender, race, Ashkenazi ancestry and genotype | Minimum 2 years |
Countries
Argentina, Belgium, Brazil, Chile, Czechia, France, Germany, Italy, Portugal, Romania, Spain, Turkey (Türkiye), United States
Outcome results
None listed