AUTHOR=Mena Ayala María Belén , Maldonado Xavier TITLE=The therapeutic futility paradox: insights from oncological drug litigation in Ecuador JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1434524 DOI=10.3389/fmed.2025.1434524 ISSN=2296-858X