31/12/2025
Coming in at #3 of our biggest animal research breakthroughs of 2025…
Endometriosis affects 1 in 10 women, yet treatment options are limited.
In 2025, the NHS approved linzagolix, a new daily pill with fewer side effects than existing treatments.
Its development relied on preclinical studies in rats, monkeys, and dogs, led by researchers including teams at the The University of Edinburgh, to understand how the drug works safely within the body’s hormonal systems.
👉 Find out more: https://www.understandinganimalresearch.org.uk/news/the-biggest-animal-research-breakthroughs-in-2025