S. 1414 (119th)Bill Overview

Expedited Access to Biosimilars Act

Health|Health
Sponsor
Cosponsors
Support
Republican
Introduced
Apr 10, 2025
Discussions
Bill Text
Current stageCommittee

Read twice and referred to the Committee on Health, Education, Labor, and Pensions.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

The bill amends Section 351(k) of the Public Health Service Act governing biosimilar licensure. It removes any automatic requirement that clinical studies for biosimilarity include immunogenicity, pharmacodynamics, or comparative clinical efficacy assessments.

Why people may split

Left emphasizes patient safety and routine immunogenicity data

Watch point

Relative to its intended legislative type, this bill is a narrowly focused substantive statutory amendment that is precise in the legal text and integration with existing law.

The bill amends Section 351(k) of the Public Health Service Act governing biosimilar licensure.

It removes any automatic requirement that clinical studies for biosimilarity include immunogenicity, pharmacodynamics, or comparative clinical efficacy assessments.

The FDA (Secretary) may still require those assessments but only at the Secretary's discretion and only if the applicant is given written notice and justification by the earliest date the applicant may file.

Passage35/100

Technically narrow but touches safety and FDA discretion; possible stakeholder opposition and need for broader compromise lower standalone prospects.

CredibilityAligned

Relative to its intended legislative type, this bill is a narrowly focused substantive statutory amendment that is precise in the legal text and integration with existing law. It clearly identifies the statutory language to change and includes a limited implementation path and a minimal accountability requirement (notice and written justification).

Contention50/100

Left emphasizes patient safety and routine immunogenicity data

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Likely helpedCities

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Potential benefitShorter development timelines for biosimilar sponsors, potentially accelerating market entry.
  • Potential benefitLower clinical development costs for applicants, which could reduce product launch expenses.
  • Potential benefitIncreased competition in the biologics market, potentially exerting downward pressure on prices.
Likely burdened
  • CitiesReduced pre‑licensure immunogenicity and efficacy data may increase risk of unforeseen safety issues.
  • Potential burdenClinician and patient confidence in substituted biosimilars could decline without comparative clinical evidence.
  • Potential burdenGreater reliance on post‑market surveillance may shift costs and detection burdens after approval.
03 · Why people split

Why the argument around this bill splits.

Left emphasizes patient safety and routine immunogenicity data
Progressive60%

Cautious support with reservation.

The persona likes measures that can lower drug costs and increase access but worries about patient safety and robust evidentiary standards for biologics.

Split reaction
Centrist65%

Pragmatic conditional support.

Sees potential efficiency and cost benefits but emphasizes safeguards, predictability, and evidence that patient safety won't be compromised.

Split reaction
Conservative90%

Generally supportive.

Views the bill as sensible deregulation that reduces unnecessary testing, lowers barriers to competition, and accelerates market-based price reductions.

Leans supportive
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood35/100

Technically narrow but touches safety and FDA discretion; possible stakeholder opposition and need for broader compromise lower standalone prospects.

Scope and complexity
52%
Scopemoderate
24%
Complexitylow
Why this could stall
  • Reactions from innovator and biosimilar manufacturers
  • Positions of patient-safety and clinician advocacy groups
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Left emphasizes patient safety and routine immunogenicity data

Technically narrow but touches safety and FDA discretion; possible stakeholder opposition and need for broader compromise lower standalone…

Unlocked analysis

Relative to its intended legislative type, this bill is a narrowly focused substantive statutory amendment that is precise in the legal text and integration with existing law. It clearly identifies the statutory languag…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis