The Food and Drug Administration (FDA) is offering a funding opportunity titled "Efficient and Innovative Natural History Studies Addressing Unmet Needs in Rare Diseases (R01 Clinical Trials Optional)" aimed at supporting innovative studies that advance medical product development for rare diseases with unmet needs. The objective of this grant is to facilitate the collection of high-quality data that addresses critical knowledge gaps and removes barriers to progress in the field of rare diseases, ultimately impacting the development of medical products. This initiative is crucial for enhancing understanding and treatment options for rare diseases, which often lack sufficient research and resources. Interested applicants can apply for funding up to $400,000, with no cost-sharing requirements, and should direct inquiries to Kimberly Pendleton at Kimberly.Pendleton@fda.hhs.gov or call 240-402-7610. The opportunity is currently open and will be available for the fiscal year 2025.