Liraglutide, a glucagon-like peptide 1 (GLP-1) receptor agonist used in diabetes and obesity, could alleviate depression through a pathway that does not depend on the GLP-1 receptor but instead on the gut microbiota, since the treatment increases the presence of the bacterium Lactobacillus delbrueckii.
Liraglutide, a glucagon-like peptide 1 (GLP-1) receptor agonist used in diabetes and obesity, could alleviate depression through a pathway that does not depend on the GLP-1 receptor but instead on the gut microbiota, since the treatment increases the presence of the bacterium Lactobacillus delbrueckii. This symbiotic microorganism produces a lipid that modulates neuronal activity, normalizing the hyperactivation of brain regions in mice involved in emotional processing, which ultimately reduces depressive behaviors.
The development of glucagon-like peptide 1 receptor (GLP-1R) agonists, such as semaglutide and tirzepatide, has been a game changer in the clinical management of overweight and obesity, but there is interpersonal variability in efficacy of these medications for weight loss, as well as in the incidence of undesired side effects. Investigators from the 23andMe Research Institute have shed some light on how variations in the GLP-1R and GIP receptor (GIPR) genes impact their effectiveness and the occurrence of side effects.
Wegovy (semaglutide) has passed the notoriously strict cost-effectiveness scrutiny of the U.K. health technology assessment body and will now be reimbursed for the prevention of further serious cardiovascular events in people who have had a heart attack or stroke, or are diagnosed with peripheral arterial disease.
In a sea of uncertainty, a large-scale, long-term Swedish study is the first to show that people using GLP-1 receptor agonists are less likely to have worsening mental illness. The study involved a national cohort of 95,490 people diagnosed with depression or anxiety disorder, who also were treated with any diabetes drug (apart from insulin).
A new study has reinforced that GLP-1 receptor agonists are unlikely to produce durable weight loss, but indicates that rather than returning to the starting weight, individual weight gain will plateau at 75.5% of the weight lost.
China’s National Medical Products Administration has accepted for review Jiuyuan Genetic Biopharmaceutical Co. Ltd.’s drug application for Jikeqin, a biosimilar product to Novo Nordisk A/S’s Wegovy (semaglutide) for obesity.
China’s National Medical Products Administration has accepted for review Jiuyuan Genetic Biopharmaceutical Co. Ltd.’s drug application for Jikeqin, a biosimilar product to Novo Nordisk A/S’s Wegovy (semaglutide) for obesity.
The effects of aging pose an additional challenge for people with HIV due to the neurological and psychological consequences that persist despite antiretroviral therapy. At the Conference on Retroviruses and Opportunistic Infections (CROI) held Feb. 22-25, 2026, in Denver, the scientific community examined how the virus affects the brain, how the reservoir is established in the CNS, and which genetic, immunological or treatment-related factors influence cognitive health.
Shares in Novo Nordisk A/S took another battering after the company announced its next-generation obesity drug Cagrisema failed to show noninferiority to Eli Lilly and Co. Inc.’s Zepbound in an open-label comparator study.
