II 118th CONGRESS 1st Session S. 2737 IN THE SENATE OF THE UNITED STATES September 7, 2023 Mr. Manchin (for himself and Mr. Braun ) introduced the following bill; which was read twice and referred to the Committee on Health, Education, Labor, and Pensions A BILL To require the Food and Drug Administration to determine whether to permit the use of enriched enrollment randomized withdrawal methodology with respect to clinical trials.