RE: RNS - 2025 Review8 Jan 2026 13:14
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Gene therapy biotech Genflow eyes busy year ahead as dog ageing trial nears results
Published: 02:40 08 Jan 2026
Genflow Biosciences Ltd (LSE:GENF, OTCQB:GENFF) has wrapped up 2025 with steady progress across a range of gene therapy programmes, including a closely watched trial into dog ageing that could lay the groundwork for future human applications.
The London-listed company, which is working on ways to extend healthy lifespan using gene therapy, said it had completed dosing in its lead canine study with no reported side effects.
The dogs will now be monitored over six months for signs of improved muscle strength and health-related biomarkers, with initial results expected in the first quarter of this year.
The trial, which began in March and uses a therapy based on the SIRT6 gene, a known regulator of ageing and DNA repair, is being conducted in a blinded format. A follow-up analysis is due around mid-year to assess the durability of the effects.
Alongside the dog ageing study, Genflow said it had made progress in a programme targeting advanced stages of MASH, or metabolic dysfunction-associated steatohepatitis, a type of fatty liver disease.
Existing GLP-1 drugs such as Ozempic and Wegovy have shown benefits in early MASH, but Genflow is aiming at patients with more severe fibrosis, where options remain limited.
It is now finalising regulatory paperwork to support a human trial and is exploring the use of mRNA technology, similar to that used in Covid-19 vaccines, as a more flexible and cost-effective delivery method than traditional viral vectors.
In a new push into eye disease, the company is also investigating the use of its gene therapy platform in glaucoma.
Early lab results suggest that increasing SIRT6 levels may help protect the optic nerve from damage, potentially offering a way to slow or prevent vision loss rather than simply reducing eye pressure, which is the current standard treatment.
Genflow said it was in talks with a lipid nanoparticle delivery partner to support this programme and was hiring a specialist contract research firm to help move the candidate towards preclinical testing.
Elsewhere in its pipeline, work is ongoing in sarcopenia, the loss of muscle mass that often accompanies ageing, and in a broader initiative called ExoFastTrack, which supports several of its research efforts.
Looking to the year ahead, Genflow said it would focus its efforts on the most promising areas of its portfolio and seek early licensing or partnership deals to bring in fresh funds without issuing new shares.
“With multiple upcoming data readouts, an expanding partner network, and a maturing intellectual property position, we believe Genflow is well positioned to enter its next phase of growth,” the company said.
The first set of clinical results, particularly from the dog study, will be key in setting the tone for 2026.