Launched with $101M Series A (Third Rock, Atlas, GV, RA Capital). TRCN-1023 (ASO for UNC13A mRNA splicing) entered ALS clinical testing in early 2026 — skipping healthy volunteer phase. Targets 97% of ALS patients.
Trace Neuroscience launched with $101 million in Series A financing from Third Rock Ventures, Atlas Venture, GV (Google Ventures), and RA Capital Management, developing TRCN-1023 — an antisense oligonucleotide (ASO) that corrects UNC13A mRNA splicing defects that have been genetically validated as a driver of ALS (amyotrophic lateral sclerosis). The company went directly to ALS patient enrollment in early 2026, bypassing the healthy volunteer phase typical of first-in-human trials, reflecting confidence in the mechanism's tolerability profile.
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