The Department of Health and Human Services, specifically the National Institutes of Health (NIH), is seeking qualified contractors to conduct a toxicity study on a new PET ligand, Fluorine-18-Fluorocellobiose, as part of the Investigational New Drug (IND) application process. The project entails performing a single-dose toxicity study on Sprague Dawley rats, adhering to FDA's Good Laboratory Practice (GLP) standards, with the aim of assessing toxicity endpoints and developing analytical methods for drug level evaluation. This initiative underscores NIH's commitment to advancing biomedical research while ensuring compliance with regulatory requirements in drug development. Interested parties must submit their responses, including company information and capability statements, to Grace Wong-Darko at Grace.Wong-Darko@nih.gov by 1:00 PM EST on January 31, 2025.