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H.R. 3521
U.S. House•In House Committee
Summary
H.R. 3521, the Clinical Trial Modernization Act, was introduced in the House on May 20, 2025 by Rep. Raul Ruiz (D) with 8 co-sponsors. It was referred to Energy And Commerce, and last saw action on May 20, 2025: Referred to the Committee on Energy and Commerce, and in addition to the Committee on Ways and Means, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.
Record
Text
H.R. 3521 has 8 co-sponsors.
hb3521/introduced-in-house.txt119 HR 3521 IH: Clinical Trial Modernization ActU.S. House of Representatives2025-05-20text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.I 119th CONGRESS 1st Session H. R. 3521 IN THE HOUSE OF REPRESENTATIVES May 20, 2025 Mr. Ruiz (for himself and Mr. Pfluger ) introduced the following bill; which was referred to the Committee on Energy and Commerce , and in addition to the Committee on Ways and Means , for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned A BILLTo modernize clinical trials and remove barriers for participation in clinical trials, and for other purposes.1.Short titleThis Act may be cited as the Clinical Trial Modernization Act .2.DefinitionFor purposes of this Act, the term underrepresented population has the meaning given such term by the National Institutes of Health for purposes of the Toolkit for Patient-Focused Therapy Development (as published on April 1, 2024), in addition to such populations recognized by the Food and Drug Administration.3.Grants to encourage clinical trial enrollment by underrepresented populations(a)In generalThe Secretary may issue grants to and enter into contracts with entities to support community education, outreach, and recruitment activities for clinical trials with respect to devices and drugs, including vaccines, for diseases or conditions that have a disproportionate impact on underrepresented populations. Such activities may include—(1)working with community clinical trial sites, including community health centers, academic health centers, sites in rural communities, and other facilities;(2)training health care personnel, including potential clinical trial investigators, with a focus on significantly increasing the number of underrepresented populations of health care personnel who are clinical trial investigators at the community sites for ongoing clinical trials;(3)engaging community stakeholders to encourage participation in clinical trials, especially in underrepresented populations; and(4)fostering partnerships with community-based organizations serving underrepresented populations, including employee unions and frontline health care workers.(b)Priority for grant and contract awardsIn awarding grants and contracts under this section, the Secretary shall prioritize entities that—(1)develop educational, recruitment, and training materials in multiple languages; or(2)undertake clinical trial outreach efforts in communities that are traditionally underrepresented in clinical trials, such as tribal areas.(c)Authorization of appropriationsThere is authorized to be appropriated for fiscal years 2025 and 2026 such sums as may be necessary to carry out this section.4.Encouragement of clinical trial participation by underrepresented populations through payment of study participant clinical trial expenses and provision of digital health technologies(a)In generalSection 1128A(i)(6)(F) of the Social Security Act (42 U.S.C. 1320a–7a(i)(6)(F)) is amended by striking under regulations); and inserting the following: “under regulations, including—(i)remuneration offered or transferred to an individual while participating in a clinical trial, as defined in subsection (d) of the first section 2709 of the Public Health Service Act for expenses incurred as part of the trial, other than patient cost-sharing obligations, including without limitation travel, transportation, and meal expenses, so long as such remuneration is made available to all study participants and facilitates inclusion of patients from all relevant demographic and socioeconomic populations and geographies including rural communities; and(ii)the free provision to an individual of digital health technologies where—(I)the use of the digital health technologies is intended to facilitate the participation of underrepresented patient populations; and(II)the digital health technologies are necessary for participation in such trial;.(b)Conforming amendment to the anti-Kickback statuteSection 1128B(b)(3) of the Social Security Act (42 U.S.C. 1320a–7b(b)(3)) is amended—(1)by striking and at the end of subparagraph (K);(2)by striking the period at the end of subparagraph (L) and inserting ; and ;(3)by aligning the left margin of each of subparagraphs (J) and (K) with the left margin of subparagraph (I); and(4)by inserting after subparagraph (L) the following new subparagraphs:(M)any remuneration offered or transferred to an individual while participating in a clinical trial (as defined in subsection (d) of the first section 2709 of the Public Health Service Act) for expenses incurred as part of the trial, other than patient cost-sharing obligations, including without limitation travel, transportation, and meal expenses, so long as such remuneration is made available to all study participants and facilitates inclusion of patients from all relevant demographic and socioeconomic populations and geographies, including rural communities; and(N)the free provision to an individual of digital health technologies where—(i)the use of the digital health technologies is intended to facilitate in any phase of a clinical trial (as so defined) the participation of underrepresented patient populations; and(ii)the digital health technologies are necessary to such participation..(c)Effective dateThe amendments made by this section shall apply to remuneration provided on or after the date of enactment of this Act.5.Encouragement of clinical trial accessibility through support of clinical trial cost-sharingThe payment of patient cost-sharing obligations associated with participation in a clinical trial (as defined in subsection (d) of the first section 2709 of the Public Health Service Act) or for which a diversity action plan is required pursuant to sections 505(z) or 520(g)(9) of the Federal Food, Drug, and Cosmetic Act by drug or device manufacturers or their agents for their clinical trial participants shall not be considered a violation of section 1128A of the Social Security Act ( 42 U.S.C. 1320a–7a ) (commonly known as the Civil Monetary Penalties Law ), section 1128B of the Social Security Act ( 42 U.S.C. 1320a–7b ), or sections 3729 through 3733 of title 31, United States Code (commonly known as the False Claims Act ), provided that the following requirements are met:(1)The trial and any coverage of items or services provided in the trial is consistent with all applicable coverage rules by any Federal health care programs providing coverage and reimbursement for beneficiaries participating in the trial as study subjects, including but not limited to, any existing trial qualification requirements imposed by the Centers for Medicare & Medicaid Services for Medicare coverage of the trial.(2)The proposed arrangement for the payment of patient cost-sharing obligations is a reasonable means of facilitating enrollment of an underrepresented set of subjects or reducing the likelihood of attrition in the trial by removing a potential financial barrier to participation in the trial.(3)Any sponsor payments of participating patient cost-sharing obligations must be available throughout the entirety of the clinical trial.(4)Any sponsor payments of participating patient cost-sharing obligations are not contingent on the future use or purchase of any product or service.(5)Any sponsor payments of participating patient cost-sharing obligations will not be provided in excess of the patient’s cost-sharing obligations under relevant Federal health care programs.(6)A participating patient receiving cost-sharing assistance from a sponsor will be required to agree not to accept other financial assistance to cover the patient’s cost-sharing obligations.(7)Any sponsor payments of participating patient cost-sharing obligations will cease upon the patient’s disenrollment from the clinical trial or the conclusion of the clinical trial, whichever is first.(8)The proposed arrangement for the payment of patient cost-sharing obligations includes the following elements to protect against improper increased costs or inappropriate utilization of items and services reimbursed in whole or in part under Federal health care programs:(A)The availability of cost-sharing subsidies will not be advertised, but may be disclosed as required or permitted by law in the informed consent forms, protocol, or other documentation associated with the study.(B)Participating Federal health care program beneficiaries must satisfy formal, objective, and predetermined enrollment criteria and execute an informed consent document.(C)The sponsor must enter into a written agreement with investigators that requires the investigators to comply with the written protocol for the study and to be subject to oversight and monitoring by an institutional review board or other similar body providing independent oversight for the trial.(D)Total enrollment for the trial is capped.6.Exclusion from gross income for remuneration provided by sponsors of approved clinical trials to participants(a)In generalPart III of subchapter B of chapter 1 of the Internal Revenue Code of 1986 is amended by inserting before section 140 the following new section:139J.Remuneration provided by sponsors of approved clinical trials to participants(a)In generalGross income shall not include the value of any payment received by an individual from participation in an approved clinical trial (as defined in subsection (d) of the first section 2709 of the Public Health Service Act).(b)LimitationThe amount excluded from gross income under subsection (a) for any taxable year shall not exceed $2,000..(b)Clerical amendmentThe table of sections for part III of subchapter B of chapter 1 of the Internal Revenue Code of 1986 is amended by inserting before the item relating to section 140 the following new item:Sec. 139J. Remuneration provided by sponsors of approved clinical trials to participants..(c)Effective dateThe amendments made by this section shall apply to taxable years beginning after the date of enactment of this Act.7.Rule of constructionNothing in section 4 or section 5 of this Act shall be construed to limit or narrow in any way any other protections from liability under section 1128A or 1128B of the Social Security Act (42 U.S.C. 1320a–7a; 1320a–7b) or sections 3729 through 3733 of title 31, United States Code, whether such other protections are set forth in statute, regulation, or any form of guidance, that may apply to any practice or arrangement encouraging participation in or accessibility of clinical trials.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-05-20
- Passed House
- Passed Senate
- Conference
- To President
- Became Law
CRS Summary
The summaries are the Congressional Research Service’s, one per stage. Read them in full.
Introduced in House May 20, 2025
hb3521/introduced-in-house.mdShown Here:
Introduced in House (05/20/2025)
Clinical Trial Modernization Act
This bill authorizes a grant program and provides certain exemptions to support the participation of individuals in clinical trials.
Specifically, the bill authorizes a grant program to support outreach, education, and recruitment efforts for clinical trials that may benefit certain underrepresented populations or communities in need, such as rural or tribal areas.
The bill also exempts from anti-kickback laws for federal health care programs (1) remuneration that is offered to cover participants' expenses to participate in clinical trials, (2) the provision of free digital health technologies to support participation of underrepresented populations in clinical trials, and (3) payment for participants' cost-sharing obligations in relation to clinical trials.
Finally, the bill exempts up to $2,000 in remuneration that is received for participating in a clinical trial from income tax.
Sponsors
Rep. Raul Ruiz (D) sponsors H.R. 3521, and 8 members have co-sponsored it, 1 of them from the day it was introduced.

Rep. · D–CA-25 · Sponsor
Introduced May 20, 2025

Rep. · R–TX-11 · Co-sponsor
Joined May 20, 2025 · Original

Rep. · R–AZ-6 · Co-sponsor
Joined Jun 4, 2025

Rep. · D–TN-9 · Co-sponsor
Joined Jun 11, 2025

Rep. · D–FL-9 · Co-sponsor
Joined Jul 10, 2025

Rep. · D–MA-4 · Co-sponsor
Joined Sep 2, 2025

Rep. · R–NY-17 · Co-sponsor
Joined Aug 20, 2026

Rep. · D–MA-8 · Co-sponsor
Joined Aug 20, 2026

D–GA-4 · Co-sponsor
Joined Aug 31, 2026
Committees
H.R. 3521 went before 2 committees: Ways and Means and Energy and Commerce.
Actions
H.R. 3521 has taken 2 actions since May 20, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
May 20, 2025 | House | Introduced in House | ||
May 20, 2025 | House | Referred to the Committee on Energy and Commerce, and in addition to the Committee on Ways and Means, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.Energy and Commerce Committee |
Votes
H.R. 3521 has not gone to a roll call.
Related bills
1 bill is related to H.R. 3521.
Titles
H.R. 3521 goes by 3 titles, 1 of them short titles.
- Clinical Trial Modernization Act — Display Title
- Clinical Trial Modernization Act — Short Title(s) as Introduced
- To modernize clinical trials and remove barriers for participation in clinical trials, and for other purposes. — Official Title as Introduced
Lobbying
24 clients hired 22 firms and 120 registered lobbyists who named H.R. 3521 in 60 quarterly filings, 2025 to 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Health Issues, Medicare/Medicaid, Budget/Appropriations, Taxation/Internal Revenue Code, Pharmacy, Medical/Disease Research/Clinical Labs, Defense, Tobacco.
Clients
Who paid to be heard, by how many filings named the bill. The 20 that filed most often, of 24.
Firms
Registrants who filed on the bill, by filings.
Lobbyists
Named on the filings that cite the bill. The 20 named most often, of 120.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| JASEY CARDENAS | 2 | 2 | 6 |
| ALEXANDER SUTTON | 1 | 1 | 5 |
| BEN JONES | 1 | 1 | 5 |
| BRIAN BRANTON | 1 | 1 | 5 |
| DIANA FELNER | 1 | 1 | 5 |
| ELIZABETH DARNALL | 1 | 1 | 5 |
| ELIZABETH SCOTT | 1 | 1 | 5 |
| ERIC SILVA | 1 | 1 | 5 |
| JAMES WILLIAMS | 1 | 1 | 5 |
| JOHN RICHARDSON | 1 | 1 | 5 |
| JOSHUA BABB | 1 | 1 | 5 |
| JULIE NICKSON | 1 | 1 | 5 |
| KATIE GIFFORD | 1 | 1 | 5 |
| KRISTINE RUFENER | 1 | 1 | 5 |
| MARC GOTTSCHALK | 1 | 1 | 5 |
| MATTHEW WILLIAMS | 1 | 1 | 5 |
| NISHITH PANDYA | 1 | 1 | 5 |
| RANJANA KODWANI | 1 | 1 | 5 |
| REILLY O'CONNOR | 1 | 1 | 5 |
| RICHARD BUCKLEY | 1 | 1 | 5 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | 2026 second_quarter | $7.4M | 2nd Quarter - Report |
| BRISTOL-MYERS SQUIBB COMPANY | BRISTOL-MYERS SQUIBB COMPANY | 2025 second_quarter | $4.8M | 2nd Quarter - Report |
| JOHNSON & JOHNSON SERVICES INC | JOHNSON & JOHNSON SERVICES, INC. | 2026 first_quarter | $3.5M | 1st Quarter - Report |
| BRISTOL-MYERS SQUIBB COMPANY | BRISTOL-MYERS SQUIBB COMPANY | 2025 third_quarter | $3.2M | 3rd Quarter - Report |
| AMERICAN CANCER SOCIETY CANCER ACTION NETWORK INC | AMERICAN CANCER SOCIETY CANCER ACTION NETWORK, INC. | 2025 second_quarter | $2.6M | 2nd Quarter - Report |
| AMERICAN CANCER SOCIETY CANCER ACTION NETWORK INC | AMERICAN CANCER SOCIETY CANCER ACTION NETWORK, INC. | 2025 fourth_quarter | $2.4M | 4th Quarter - Report |
| BIOTECHNOLOGY INNOVATION ORGANIZATION | BIOTECHNOLOGY INNOVATION ORGANIZATION | 2026 second_quarter | $2.4M | 2nd Quarter - Report |
| AMERICAN CANCER SOCIETY CANCER ACTION NETWORK INC | AMERICAN CANCER SOCIETY CANCER ACTION NETWORK, INC. | 2026 first_quarter | $2.3M | 1st Quarter - Report |
| AMERICAN CANCER SOCIETY CANCER ACTION NETWORK INC | AMERICAN CANCER SOCIETY CANCER ACTION NETWORK, INC. | 2025 third_quarter | $2.1M | 3rd Quarter - Report |
| ASTRAZENECA PHARMACEUTICALS LP | ASTRAZENECA PHARMACEUTICALS LP | 2026 second_quarter | $1.7M | 2nd Quarter - Report |
| JOHNSON & JOHNSON SERVICES INC | JOHNSON & JOHNSON SERVICES, INC. | 2026 second_quarter | $1.4M | 2nd Quarter - Report |
| BIOTECHNOLOGY INNOVATION ORGANIZATION | BIOTECHNOLOGY INNOVATION ORGANIZATION | 2025 third_quarter | $1.4M | 3rd Quarter - Report |
| AMERICAN CANCER SOCIETY CANCER ACTION NETWORK INC | AMERICAN CANCER SOCIETY CANCER ACTION NETWORK, INC. | 2026 second_quarter | $1.2M | 2nd Quarter - Report |
| MCKESSON CORPORATION & AFFILIATES U.S. ONCOLOGY AND RX SAVINGS SOLUTIONS | MCKESSON CORPORATION & AFFILIATES U.S. ONCOLOGY AND RX SAVINGS SOLUTIONS (FORMERLY MCKESSON CORP) | 2025 fourth_quarter | $1.2M | 4th Quarter - Report |
| GSK (FKA GLAXOSMITHKLINE INC.) | GSK (FKA GLAXOSMITHKLINE INC.) | 2026 second_quarter | $890K | 2nd Quarter - Report |
| MCKESSON CORPORATION & AFFILIATES U.S. ONCOLOGY AND RX SAVINGS SOLUTIONS | MCKESSON CORPORATION & AFFILIATES U.S. ONCOLOGY AND RX SAVINGS SOLUTIONS (FORMERLY MCKESSON CORP) | 2026 first_quarter | $860K | 1st Quarter - Report |
| ASSOCIATION FOR CLINICAL ONCOLOGY | ASSOCIATION FOR CLINICAL ONCOLOGY | 2025 second_quarter | $650K | 2nd Quarter - Report |
| BLOOD CANCER UNITED (FKA THE LEUKEMIA & LYMPHOMA SOCIETY) | BLOOD CANCER UNITED (FKA THE LEUKEMIA & LYMPHOMA SOCIETY) | 2025 fourth_quarter | $610K | 4th Quarter - Report |
| BLOOD CANCER UNITED (FKA THE LEUKEMIA & LYMPHOMA SOCIETY) | BLOOD CANCER UNITED (FKA THE LEUKEMIA & LYMPHOMA SOCIETY) | 2026 second_quarter | $590K | 2nd Quarter - Report |
| AMERICAN LUNG ASSOCIATION | AMERICAN LUNG ASSOCIATION | 2025 second_quarter | $560K | 2nd Quarter - Report |
Classification
The Congressional Research Service files H.R. 3521 under Health, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; H.R. 3521’s is Health.
hr3521/policy-areas.txtConstitutional authority
The clause the sponsor cites as Congress’s power to enact H.R. 3521, as entered in the Congressional Record.
[Congressional Record Volume 171, Number 85 (Tuesday, May 20, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Mr. RUIZ:H.R. 3521.Congress has the power to enact this legislation pursuantto the following:Article 1, Section 8, Clauses 1 and 18 of the United StatesConstitution, to provide for the general welfare and make alllaws necessary and proper to carry out the powers ofCongress.[Page H2199]
Source: congress.gov · legiscan.com
