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This study will aim to assess the fertility status of men with Spinal Muscular Atrophy (SMA) not on disease-modifying therapies. Participants will: 1. Complete online questionnaires that will assess SMA diagnosis and disease burden, medical and surgical history, medication usage, and fertility status and perspectives. 2. Over the 3-month initial study baseline period participants will provide two separate ejaculates for semen analysis and a single determination of sperm quality using DNA fragmentation testing using home collection and subsequent shipment to a central laboratory. 3. Over the initial study baseline period of 3 months study participants will obtain a blood test to determine male reproductive hormone levels. During the 24-month study duration, participants will be requested to undergo a yearly semen analysis and complete online relevant questionnaires.
In this study, researchers will know more about the effects of nusinersen, also known as Spinraza®, in pregnant participants with spinal muscular atrophy, also known as SMA. This is a drug available for doctors to prescribe for people with SMA. Due to the current treatment options that exist, people with SMA may now reach the age where they can become pregnant. But, there is not enough information known yet about what the effects of nusinersen may be on pregnant people with SMA or on their babies. This is known as an "observational" study, which collects health information about study participants without changing their medical care. The pregnant participants for this study will be found using 3 different groups of SMA study research centers: * ISMAR-US (International SMA Registry in the United States) * UK Adult SMA-REACH (Adult SMA Research and Clinical Hub in the United Kingdom) * SMArtCARE (Austria, Germany, and Switzerland) The main goal of this study is to collect birth and health information from 3 groups of participants and their babies. These groups are: * Those who received nusinersen 14 months before the first day of their last period before getting pregnant * Those who received nusinersen 14.5 months before the day they got pregnant * Those who received nusinersen during any time in their pregnancy The main questions researchers want to learn about in this study are: * Loss of pregnancy overall * Loss of pregnancy before the baby was 20 weeks old * Loss of pregnancy after the baby becomes 20 weeks old * Live births * Loss of the baby after birth * Babies who have problems in their body that develop during pregnancy * Babies who are small for their age while in the participant's uterus * Pregnancy that happens outside of the uterus * How many participants die during pregnancy, while the baby is being born, and up to 12 weeks after delivering the baby * Babies who develop problems in their body after birth Researchers will also compare this information to people without SMA who have not received nusinersen. This study will be done as follows: * Information will start being collected when the participant decides to join the study. * Participants will be contacted at each trimester (about every 3 months) to learn about their health and pregnancy. * Participants' doctors will be contacted at each trimester, when the participants are about 6 or 7 months pregnant, and about 4 weeks after the delivery of the baby. * The babies' doctors will be contacted when the baby is 1, 2, 6, 12, 18, and 24 months old. * Each participant will be in the study until the end of their pregnancy and for up to 12 weeks after delivery. Each baby will be in the study for up to 2 years after birth. * The study overall will last at least 10 years from when the first participant joins the study.
Spinal muscular atrophy (SMA) is a neurogenetic disorder caused by a loss or mutation in the survival motor neuron 1 gene (SMN1) on chromosome 5q13, which leads to reduced SMN protein levels and a selective dysfunction of motor neurons. SMA is an autosomal recessive, early childhood disease with an incidence of 1:10,000 live births. SMA is the leading cause of infant mortality due to genetic diseases. The purpose of this registry is to assess the long term outcomes of patients with SMA in the context of advances in treatment options and also to characterize and assess long-term safety and effectiveness of OAV-101.
This is a global, prospective, multi-center study that is designed to assess the long-term safety and efficacy of OAV101 in patients who participated in an OAV101 clinical trial. The assessments of safety and efficacy in Study COAV101A12308 will continue for 5 years after enrollment in this study.
In this observational study, researchers are looking at the effects of spinal muscular atrophy (SMA) drugs on the muscles and nerve cells in patients with SMA. Primary Objectives * To evaluate the feasibility and reliability of performing MR functional imaging in exercising muscle in patients with SMA. * To evaluate patients with SMA types 2 and 3 at baseline and longitudinally at 6 and 12 months Secondary Objectives * To describe the MR functional bioenergetics response in the leg muscles in four potential groups of patients with spinal muscular atrophy: untreated, actively treated with nusinersen (Spinraza®) or onasemnogene abeparvovec (Zolgensma®), actively treated with risdiplam (Evrysdi®), and switching from Spinraza or Zolgensma to Evrysdi. * To identify changes in motor function in patients with SMA types 2 and 3 who initiate treatment with risdiplam. * To obtain biomarkers in blood, urine, and muscle tissue to provide proof-of-concept support for risdiplam effect on skeletal muscle. * To obtain quality of life and disability data from participants in this study.