H.R. 4538 · 116th Congress Closing Loopholes for Orphan Drugs Act StageIn committee SponsorPeter Welch Introduced2019-09-26 Latest action2019-09-27 · Referred to the Subcommittee on Health. Follow Summary Text Subjects Cosponsors (1) Votes (0) Actions Cosponsors (1) David McKinley Former member House WV Republican