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NCT05115110
Risdiplam works by helping the body produce more survival motor neuron (SMN) protein throughout the body. This means fewer motor neurons - nerve cells that pass impulses from nerves to muscles to cause movement - are lost, which may improve how well muscles work in people with SMA. RO7204239 is an investigational anti-myostatin antibody that is designed to target myostatin. Myostatin plays an important role in the regulation of skeletal muscle size by controlling growth. Inhibiting myostatin may help muscles grow in size and strength. RO7204239 in combination with risdiplam, which is designed to increase the amount of SMN protein throughout the body, has the potential to further improve motor function and clinical outcomes for people living with SMA. This trial will study the safety and efficacy of RO7204239 in combination with risdiplam in patients with spinal muscular atrophy (SMA). The trial has two parts; Part 1 is the dose-finding part in SMA patients that are either ambulant (aged 2-10 years) or non-ambulant (aged 5-10 years) within separate cohorts, and Part 2 is the pivotal part in SMA patients aged 2-25 years that are ambulant.
NCT07332702
Spinal Muscular Atrophy (SMA) is a severe neuromuscular disease caused by deletion of the SMN1 gene, with the most severe form leading to death in children without treatment. Genetic counselling to detect couples where both partners are carriers is particularly important. In some countries, preconception screening is offered. However, some carriers escape detection due to the existence of two copies of the SMN1 gene side-by-side (2+0 genotype). Currently, no molecular genetic methods used for diagnostic purposes can detect these 2+0 genotypes, which pose a significant challenge in genetic counselling. This study aims to use new technologies based on the analysis of ultra-long molecules to detect side-by-side duplications of the SMN1 gene to detect heterozygous subjects not identified by current techniques and improve genetic counselling.
NCT07265232
The study objective is to determine the real-world safety and effectiveness of Vesemnogene lantuparvovec for the treatment of SMA. The specific objectives are: * To determine clinical effectiveness of Vesemnogene lantuparvovec therapy for SMA as evaluated by developmental gross motor milestone and survival. * To describe the safety profile of Vesemnogene therapy for SMA as evaluated by adverse events reporting and laboratory tests, and monitoring of Adverse events of special interest.
NCT07208903
The systematic inclusion of spinal muscular atrophy (SMA) in France's neonatal genetic screening (NGS) program, scheduled for September 2025, represents a major milestone in public health. While this screening enables early detection and therapeutic intervention before symptom onset, it also raises psychological and ethical challenges that remain underexplored-particularly during the highly sensitive postpartum period. Currently, data on parental experiences following a positive SMA NGS result are scarce, fragmented, and largely derived from North American studies or from metabolic screening contexts. Early publications highlight high levels of parental anxiety, dissatisfaction with the quality of result disclosure, and difficulties in processing complex medical information in a short, emotionally charged timeframe. These findings underscore the need for a deeper understanding of the subjective processes at play in this situation. The PSYSMA project is designed as an ancillary study to the DEPISMA trial. Its aim is to retrospectively explore parents' lived experiences, their psychosocial support needs, and the impact of NGS on family dynamics and the parent-child relationship. Special attention is given to cases with uncertain results (e.g., ≥4 SMN2 copies without treatment) and false negatives, which remain poorly documented but may trigger unique forms of parental anxiety or adaptation. This research is justified by two main needs: * to guide public health policy toward integrating psychological support from the earliest stages of screening, in line with French National Health Authority (HAS) recommendations; * to generate new knowledge transferable to other genetic diseases that may be included in future neonatal screening programs. The overarching goal is to retrospectively investigate the psychological experience of parents confronted with a positive or false-negative SMA NGS result, in order to analyze its subjective, emotional, and relational effects, as well as related needs for psychological support. Study objectives : * Compare parental experiences according to the nature of the result (with or without treatment indication). * Identify psychosocial support needs, including for siblings. * Assess anxiety, depression, and post-traumatic symptoms associated with NGS. * Explore the broader impact on family functioning, particularly in relation to genetic counseling and communication within the extended family.
NCT05354414
The primary objective of the study is to evaluate anxiety level during intrathecal administration (IT) under standard of care (SOC) and virtual reality (VR) conditions using a reliable self-rating scale.