A bill to amend the Internal Revenue Code of 1986 to exclude from gross income certain compensation to clinical trial participants, and for other purposes.
Key claim: Senate bill S5127 would amend the Internal Revenue Code to exclude certain compensation paid to clinical trial participants from gross income.
Abstract
(S5127 · 119th Congress) Latest action (2026-07-23): Read twice and referred to the Committee on Finance.
Why this matters
S5127 represents a second Senate vehicle pursuing a federal income-tax exclusion for clinical-trial participant compensation, signaling continuing bipartisan or cross-chamber interest in reducing tax friction on trial stipends. For the taxation area, it reinforces a narrow but recurring policy pattern of carving out participant payments from gross income, with participants paying less and no offsetting revenue raiser identified.