Psoriasis Drug Shows Promise for Childhood Diabetes Treatment
Ustekinumab is effective in preserving the body’s ability to produce insulin in type-1 diabetes.
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A drug that is currently used for the treatment of psoriasis has been found to be effective in treating the early stages of type-1 diabetes in children and adolescents, finds a new clinical trial led by Cardiff University.
The new study has shown that Ustekinumab, an established immunotherapy that has been used to treat psoriasis since 2009, is effective in preserving the body’s ability to produce insulin in type-1 diabetes - bringing the goal of managing type-1 diabetes without insulin a step closer.
The study by Cardiff University, Kings College London, Swansea University and the University of Calgary, unlocked new insights into identifying the specific immune cells (Th17 cells) that cause type-1 diabetes and further established a role for immunotherapies in curbing the destruction of insulin-producing cells.
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Subscribe for FREEResearchers hope that immunotherapy will provide answers to patients in the future, targeting the body’s immune system to slow down the destruction of the cells that produce insulin. This treats the underlying immune process rather than correcting insulin levels.
Ustekinumab is an injection treatment which patients can give themselves at home, used effectively in the treatment of more than 100,000 patients with immune conditions, including severe psoriasis, psoriatic arthritis, severe Crohn’s disease and severe ulcerative colitis. This study demonstrated that Ustekinumab can also preserve vital insulin-producing cells. The researchers also identified the specific immune cells that cause this destruction, enabling precise and targeted therapies to maximise benefits and minimise side effects.
Professor Tim Tree, King's College London, said: “We have found that Ustekinumab reduces the level of a tiny group of immune cells in the blood called Th17.1 cells. These cells make up only 1 in 1000 of blood immune cells, but they seem to play an important role in destroying insulin producing cells. This explains why Ustekinumab has so few side-effects. It targets the trouble-making cells, while leaving 99% of the immune system intact – a great example of precision medicine”.
The use of Ustekinumab was shown to decrease the destructive impact of Th17 immune cells on cells that produce insulin. After 12 months of using Ustekinumab, the researchers found that C-peptide levels - a sign that the body is producing insulin - were 49% higher. This clinical trial also provides the first clinical trial-based evidence for the role Th17 cells in type-1 diabetes.
While the trial demonstrates the benefit of using Ustekinumab to treat type-1 diabetes, further clinical trials are required to confirm this finding and to work out which patients would benefit most from the treatment.
The research, Ustekinumab for type 1 diabetes in adolescents: a multicenter, double-blind, randomized phase 2 trial, was published in Nature Medicine. The study was funded by a National Institute for Health and Care Research and Medical Research Council partnership.
Reference: Tatovic D, Marwaha A, Taylor P, et al. Ustekinumab for type 1 diabetes in adolescents: a multicenter, double-blind, randomized phase 2 trial. Nat Med. 2024. doi: 10.1038/s41591-024-03115-2
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