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ARTHEx Biotech SL

ARTHEx Biotech SL is a clinical-stage biotechnology company based in Valencia, Spain, specializing in the development of targeted RNA medicines designed to modulate gene expression for rare genetic neuromuscular disorders. The company's lead program, ATX-01, is currently in clinical evaluation for myotonic dystrophy type 1 (DM1) and employs a unique mechanism to inhibit microRNA23b, thereby restoring MBNL protein function. ARTHEx is also advancing a pipeline of therapies targeting high unmet needs in muscular, central nervous system, cardiac, and pulmonary diseases, utilizing its proprietary platform for selective oligonucleotide delivery to specific tissues.

Leadership & Board

Currently, no data available

Latest Estimated Valuation

Estimated Valuation
Estimated Valuation
Total Amount Raised$87M
Total Amount Raised$87M
Total Funding Rounds1
Total Funding Rounds1
Latest Funding Amount$87M
Latest Funding Amount$87M
Latest Funding RoundSeries B
Latest Funding RoundSeries B
Post-Money Valuation
Post-Money Valuation

Funding Round

Funding Date
Funding Round
Amount Raised
Post-Money Valuation
Sep 17, 2025
Series B
$87.00M

Investors

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