To amend the Internal Revenue Code of 1986 to exclude from gross income certain compensation to clinical trial participants, and for other purposes.

HR 4184 (119th Congress) is federal legislation introduced in the U.S. House of Representatives on June 26, 2025. Sponsored by Rep. Kelly, Mike [R-PA-16]. Current status: Referred to the House Committee on Ways and Means. (2025-06-26).