The development of non-animal testing methods has accelerated, with organ-on-chip technology, computational modeling, and organoids offering increasingly capable alternatives across multiple research domains.
The development of non-animal testing alternatives represents the most welfare-positive long-term solution for laboratory animal use, potentially eliminating vast numbers of procedures that cause suffering. Current alternatives increasingly outperform animal models for human disease prediction, making their adoption scientifically compelling as well as ethically desirable. Regulatory frameworks that only accept animal data create structural barriers requiring policy reform. Investment in alternative method development and validation is a high-impact use of resources for both animal welfare and human health.