The Department of Health and Human Services, specifically the National Institutes of Health, is issuing a notice of intent to sole source a contract for stability testing services and drug master file maintenance for ADCT-701, an antibody drug conjugate targeting neuroendocrine neoplasms. The procurement aims to ensure compliance with FDA regulations through stability studies and maintenance of associated Drug Master Files, with testing to be conducted at -70°C and results reported at specified intervals over a period of up to 60 months. This contract is critical for maintaining the integrity and safety of the drug product, with a firm fixed-price purchase order set to commence on April 17, 2025, and conclude by July 17, 2027. Interested parties may contact Miguel Diaz at miguel.diaz@nih.gov or call 240-276-5439 for further information.