The U.K. Medicines and Healthcare Products Regulatory Agency (MHRA) and the Gene Therapy Advisory Committee (GTAC) have approved a clinical trial application (CTA) submitted by University College London (UCL) to initiate a phase I/II trial of BGT-OTCD, Bloomsbury Genetic Therapies Ltd.’s liver-targeted AAV-LK03 gene therapy, in pediatric patients with ornithine transcarbamylase deficiency (OTCD).
One of the challenges in designing genetic and cellular strategies is getting the therapy to the right place. This is even more complicated when it comes to the nervous system. The brain is a complex organ that contains the most differentiated and inaccessible cells in human biology. It is an impassable safe, protected by the blood-brain barrier.
The most ambitious objective of any treatment is to eradicate the disease, acting on its origin to cure it instead of treating its symptoms. This is the purpose of the gene therapy against type 2 diabetes (T2D) and obesity that Fractyl Health Inc. is developing. Scientists from the Lexington, Mass.-based company have designed a strategy based on glucagon-like peptide-1 (GLP-1) to transform pancreatic cells and reverse the disease.
Rocket Pharmaceuticals Inc. has received IND clearance from the FDA for RP-A601, an AAV.rh74-based gene therapy candidate for the treatment of arrhythmogenic cardiomyopathy due to plakophilin 2 pathogenic variants (PKP2-ACM). RP-A601 offers the potential for a one-time, curative alternative to medical therapy, implantable cardioverter defibrillators and ablations.
A proof of concept of ex vivo genetic modification of cells from patients and their transplantation in mice has demonstrated, for the first time, the therapeutic possibilities of prime editing in sickle cell disease (SCD).
Atsena Therapeutics Inc.’s IND application for ATSN-201 has been cleared by the FDA enabling the company to initiate a phase I/II trial in patients with X-linked retinoschisis (XLRS) caused by pathogenic or likely pathogenic mutations in RS1.
Ocugen Inc.’s OCU-410ST (AAV5-hRORA) has been awarded orphan drug designation by the FDA for the treatment of ABCA4-associated retinopathies, including Stargardt disease, retinitis pigmentosa 19 (RP19) and cone-rod dystrophy 3 (CORD3) diseases.
The editing in human cells and in mice of the survival motor neuron 1 gene (SMN1) restored the levels of SMN protein that the mutation of the SMN2 gene produces in spinal muscular atrophy (SMA). Scientists from the Broad Institute in Boston and The Ohio State University reversed the mutation using the base editing technique. “This base editing approach to treating SMA should be applicable to all SMA patients, regardless of the specific mutation that caused their SMN1 loss,” the lead author David Liu, a professor and director of the Merkin Institute of Transformative Technologies in Healthcare at the Broad Institute of Harvard and MIT, told BioWorld.
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