This Week in Gene & Cell Therapy: Personalized CRISPR, FDA Clearances, and AI-Engineered Vectors! 🧬


From the first personalized CRISPR therapy delivered in just six months to the FDA’s clearance of the first IV gene therapy for STXBP1-related epileptic encephalopathy, this week’s roundup is packed with paradigm-shifting breakthroughs across metabolic disorders, neurodegeneration, rare skin diseases, and pediatric applications.

💡 Top Highlights This Week:

💉 UC Berkeley & CHOP deliver the first-ever personalized CRISPR cure for CPS1 deficiency—designed, manufactured, and dosed in just six months.

🧠 Neurogene launches a proactive HLH monitoring algorithm for safer AAV gene therapy trials, based on the “three Fs”: fever, ferritin, and cytopenia.

🍽️ Fractyl Health introduces RJVA-001, a one-time GLP-1 gene therapy mimicking natural hormone rhythms, with clinical trials set for mid-2025.

🎧 Eli Lilly inks a $1.3B RNA-editing deal with Rznomics to expand its hearing loss pipeline, building on the success of AK-OTOF.

🧪 AviadoBio begins its ASPIRE-FTD trial in the UK for GRN-linked frontotemporal dementia, using direct thalamus delivery to alter disease course.

💪 Sarepta’s ELEVIDYS gene therapy shows significant motor gains in 8–9-year-olds with Duchenne, a group previously expected to decline.

🩹 ZEVASKYN, the first FDA-approved gene therapy for RDEB, launches at Lurie Children’s, offering gene-modified skin grafts for long-term wound healing.

⚡ FDA clears CAP-002—the first-ever IV-administered gene therapy for STXBP1 encephalopathy—with the SYNRGY trial kicking off in Q3 2025.

🌍 EMA backs PolTREG’s Treg cell therapy for pediatric Stage 1 type 1 diabetes (ages 3–18), with additional trials planned for MS and ALS.

👁️ Dyno Therapeutics debuts AI-engineered AAV capsids with up to 280x better targeting of retina, CNS, and muscle—now available for licensing.

🧬 Genethon’s Duchenne gene therapy, GNT0004, maintains motor function and reduces CPK by greater than 75 percent over 2 years at a lower dose.

👓 Atsena’s ATSN-201 gene therapy for XLRS closes foveal schisis in 7 out of 9 patients, showing early visual improvements with no serious adverse events.

🌍 Whether you’re a biotech professional, clinician, or investor, these insights are essential to navigating the future of gene and cell therapy innovation.

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