Peptide News Digest

#Entrada-Therapeutics

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Clinical Trials · View digest

Vertex Q1: VX-670 Cyclic-Peptide-Oligonucleotide DM1 Conjugate On Track for GALILEO Phase 1/2 Readout in H2 2026

Vertex Pharmaceuticals' Q1 business update confirmed continued enrollment and dosing in the multiple-ascending-dose portion of GALILEO, the global Phase 1/2 study of VX-670 in adults with myotonic dystrophy type 1, with results guided for H2 2026. VX-670 is an oligonucleotide linked to a cyclic peptide endosomal-escape vehicle from Entrada Therapeutics' EEV platform; the oligonucleotide engages CUG-repeat RNA to liberate bound MBNL1 splicing factor and correct the upstream missplicing that drives DM1 pathology. The trial is the first clinical readout for the Vertex–Entrada DM1 collaboration, originally signed February 2023 with $250M upfront. DM1 has no disease-modifying therapy.

Clinical Trials · View digest

Entrada Therapeutics ENTR-601-44 Phase 1/2 ELEVATE-44-201 Topline (May 7): 2.36% Mean Dystrophin Increase, Statistically Significant Time-to-Rise Velocity, Clean Safety at 6 mg/kg in Duchenne Muscular Dystrophy

Entrada Therapeutics announced May 7 positive topline results from Cohort 1 of the Phase 1/2 ELEVATE-44-201 study of ENTR-601-44, the first-in-class Endosomal Escape Vehicle (EEV) peptide-PMO conjugate for exon-44-amenable Duchenne muscular dystrophy. At 6 mg/kg, treated participants showed mean dystrophin increase of 2.36% from a 4.00% baseline, exon-skipping increase of 2.31% from a 2.66% baseline, and a statistically significant improvement in Time-to-Rise (TTR) velocity. No serious adverse events or treatment-driven discontinuations; the most common AE was headache. All eight Cohort 1 participants transitioned to the open-label portion. Cohort 2 (12 mg/kg) is now dosing, with year-end 2026 readouts planned for Cohort 1 OLE and Cohort 2 MAD; Cohort 3 (up to 18 mg/kg) follows.