Plain-English translation of NCT02869048 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
Researchers are trying to understand why ALS develops by studying the immune system—specifically a part called the complement system that helps fight infection. This study will collect blood and spinal fluid samples from people diagnosed with ALS, people with other neurological conditions, and healthy volunteers. By comparing these samples, scientists hope to discover whether immune system problems contribute to ALS, which could lead to new treatments.
Currently, there is no cure for ALS and available treatments only slightly slow its progression. Doctors still don't fully understand why ALS happens. This research aims to fill that gap by investigating whether the immune system malfunctions in ways that damage motor neurons, the nerve cells affected by ALS.
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If you are in the ALS group, you will have blood and spinal fluid samples collected. Some participants (about 20) will be asked to return every 6 months for additional samples as the disease progresses. A smaller subset (about 10) will also have a small muscle tissue sample taken. Comparison groups will have samples collected at a single visit. All samples will be stored and studied to look for immune system differences.
AI-generated summary from trial data · Jun 10, 2026 · Not medical advice
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