NIH Advisory Committees in Flux

What Recent Shake-ups Mean for Science

October 2025 Biomedical Research Science Policy

The Nation's Medical Research Compass

Imagine setting sail on a vast ocean of scientific uncertainty, where every wave brings a new medical challenge and every current pulls researchers in different directions.

For decades, National Institutes of Health (NIH) advisory committees have served as the compass and navigational charts guiding this voyage—steering everything from groundbreaking gene therapy trials to the development of COVID-19 vaccines. These committees of scientific experts provide independent guidance beyond federal employees, helping determine which research gets funded, what ethical boundaries should be established, and how public health priorities are set.

Guidance

Steering biomedical research priorities

Oversight

Ensuring ethical and safe research practices

Expertise

Independent scientific advice

The Great Reshuffle: A Sweeping Overhaul of Scientific Advice

ACD Membership Changes

The renewal of the ACD charter in July 2025 initially appeared routine. However, the seemingly administrative move came with an unprecedented twist: all ten current members were relieved of service regardless of their term status 1 .

100% of ACD members replaced
Committee Terminations

Nearly four dozen committees across the Department of Health and Human Services have been terminated since January 2025, according to federal databases 2 .

~65% reduction in advisory committees
Impact on Grant Review Process
Before Changes After Changes

Delays in advisory council appointments could potentially stall the awarding of research grants throughout the biomedical science ecosystem 1 .

Case Study: The Dissolution of NExTRAC

1975-2019: Recombinant DNA Advisory Committee

A storied panel that, since the mid-1970s, oversaw the rollout of synthetic insulin and the early days of gene therapy 2 .

2019-2025: NExTRAC Established

The Novel and Exceptional Technology and Research Advisory Committee continued the work of the RAC, handling newer biosafety and ethical challenges like CRISPR gene drives 2 .

May 2025: Termination Notice

Members received emails from NIH Director Jay Bhattacharya notifying them that the committee was being "sunset" as part of efficiency measures 2 .

October 2025: Final Meeting

The committee presented its final "road map" to increase community engagement in NIH-funded science, praised by Bhattacharya for addressing rebuilding public trust 2 .

"It's now unclear how, or if, the NIH will foster open conversations around scientific and ethical issues involving novel biotechnologies" — Researcher on a dissolved committee 2 .

A Different Model: The ACIP Restructuring

While many committees have been eliminated or reshuffled, the restructuring of the Advisory Committee on Immunization Practices (ACIP) reveals a different pattern. In September 2025, HHS and CDC announced the appointment of five new members to this critical committee that guides the nation's vaccination policies 3 .

Catherine M. Stein, Ph.D.

Expertise: Epidemiology of infectious diseases, particularly tuberculosis

Position: Professor, Department of Population & Quantitative Health, Case Western Reserve University

Evelyn Griffin, M.D.

Expertise: Maternal morbidity and mortality reduction; robotic-assisted surgery

Position: Obstetrician and Gynecologist, Baton Rouge General Hospital

Hillary Blackburn, PharmD, M.B.A.

Expertise: Pharmacy practice, medication access for underserved populations

Position: Director of Medication Access and Affordability, AscensionRx

Kirk Milhoan, M.D., Ph.D.

Expertise: Pediatric cardiology; international medical missions

Position: Medical Director, For Hearts and Souls Free Medical Clinic

The Philosophical Shift: SITE Principles and Structural Reform

The changes to NIH advisory committees don't occur in a vacuum—they reflect a broader philosophical shift in the approach to scientific governance. A reform proposal from the Manhattan Institute outlines what it calls the SITE principles, intended to guide the transformation of NIH :

Scientific rigor and merit
Intellectual diversity
Transparency
Evidence-based medicine
Proposed NIH Reforms and Their Status
Proposed Reform Rationale Implementation Status
Rescind "Notice of NIH's Interest in Diversity" Replace "demographic diversity" focus with SITE principles Implemented
Dismantle or reform SGMRO Concerns about promotion rather than examination of "gender-affirming care" Partial
Replace "ideologically loaded language" Remove concepts like "sex assigned at birth" from NIH communications Pending
End diversity statements Protect "freedom of conscience" and avoid ideological litmus tests Implemented

Expert Perspectives: Concerns About the Restructuring

Loss of Institutional Knowledge

The sudden dismissal of all ACD members—regardless of their term status—represents a significant loss of institutional knowledge at the highest level of NIH advisory structure 1 .

Similarly, the termination of NExTRAC eliminates a forum that had developed specialized expertise in the ethical dimensions of emerging biotechnologies.

Impact on Grant Funding

The additional screening of individuals nominated to serve on Advisory Councils raises practical concerns about the timely review and awarding of grants 1 .

These committees serve as the second stage of NIH's peer review process, meaning delays in appointments could potentially slow down the entire biomedical research funding pipeline.

The true impact of these changes will only become apparent as the newly structured committees face their first complex scientific challenges—from the next pandemic to the ethical dilemmas posed by artificial intelligence in medicine and emerging gene therapies.

The Future of Scientific Advice at NIH

Key Questions Moving Forward
Ethical Oversight

How will the loss of specialized committees affect oversight of emerging biotechnologies?

Efficiency

Will new screening processes streamline operations or create bottlenecks?

Research Direction

How will emphasis on different expertise affect NIH-funded research?

References