(Reuters) - AstraZeneca will pay $18 million to biotechnology firm Immunai Inc to use the New York-based firm's AI model of the immune system to make certain cancer drug trials more efficient, the latter said on Thursday.

AstraZeneca released results from the TROPION-Breast01 Phase 3 trial of datopotamab deruxtecan, showing no statistically significant improvement in overall survival. The trial met its progression-free survival endpoint,

AstraZeneca said on Monday its experimental precision drug developed with Japan's Daiichi Sankyo did not significantly improve overall survival for patients with a type of breast cancer in a late-stage trial.

A new AstraZeneca drug has failed to extend significantly the lives of breast cancer patients in a blow to the company’s ambitions to hit an $80bn revenue target by 2030. Datopotamab deruxtecan (Dato-DXd) is a new form of cancer treatment,

Key Takeaways A breast cancer drug being developed by AstraZeneca failed to "achieve statistical significance" in helping patients live longer than with chemotherapy in a phase 3 trial.The trial included over 700 patients with inoperable or metastatic breast cancer.

AstraZeneca said on Monday its experimental precision drug developed with Daiichi Sankyo did not significantly improve overall survival for patients with a type of breast cancer in a late-stage trial.

AstraZeneca stock slumped Monday after its Daiichi Sankyo-partnered drug missed its mark in a study of patients with breast cancer.