The survivability of amyotrophic lateral sclerosis (ALS) in South Korea, as in many countries, remains a significant medical challenge due to the progressive and fatal nature of the disease. ALS is a neurodegenerative disorder characterized by the gradual loss of motor neurons, leading to muscle weakness, paralysis, and ultimately respiratory failure. Survival rates vary depending on multiple factors including the stage at diagnosis, available treatments, and individual patient characteristics.
In South Korea, the average survival time after an ALS diagnosis generally aligns with global trends, which typically range from 2 to 5 years, though some patients may live longer with supportive care and emerging treatments. Recent advances in ALS management and new therapeutic options have begun to improve survival outcomes modestly. For example, treatments such as edaravone (marketed as RADICAVA) have shown promise in slowing functional decline and extending survival by several months in clinical studies. These therapies are increasingly accessible in South Korea, contributing to improved patient prognosis.
The introduction of oral formulations of edaravone has been associated with a slower rate of decline in motor function and a survival benefit over placebo groups in clinical trials. Patients treated with edaravone oral suspension demonstrated a mean survival extension of approximately 7 months compared to untreated groups, alongside better maintenance of physical function over nearly two years. This suggests that early and sustained treatment can positively impact the disease course.
Additionally, South Korean research and clinical trials are increasingly focusing on novel therapies targeting genetic mutations linked to ALS, such as SOD1 mutations, which are present in a subset of familial and sporadic cases. Experimental treatments like AP-101 and NUZ-001 are being evaluated for their safety and efficacy in stabilizing disease progression and improving quality of life. These investigational drugs have shown encouraging results in reducing nerve damage biomarkers and maintaining respiratory function, which are critical factors influencing survival.
Supportive care in South Korea also plays a vital role in extending survival and enhancing quality of life for ALS patients. Multidisciplinary approaches involving neurologists, respiratory therapists, nutritionists, and physical therapists help manage symptoms and complications such as respiratory failure, malnutrition, and mobility loss. The availability of advanced respiratory support, including non-invasive ventilation, has been shown globally to significantly prolong survival in ALS patients and is increasingly utilized in South Korea.
Despite these advances, ALS remains incurable, and survival rates are still limited by the disease’s aggressive progression. However, ongoing clinical research in South Korea and worldwide continues to explore new therapeutic avenues, including gene therapies, neuroprotective agents, and drugs targeting the brain-gut axis, which may further improve survival outcomes in the future.
In summary, the survivability of ALS in South Korea reflects a combination of global disease characteristics and local advancements in treatment and care. While average survival remains a few years post-diagnosis, emerging therapies and comprehensive supportive care are gradually enhancing both lifespan and quality of life for patients living with ALS in the country.





