NIH Plans to Bar Visas from K99/R00 Pathway to Independence Award

An internal NIH plan would bar scientists on temporary visas from applying for the Pathway to Independence award, cutting them off from one of the federal programs designed to move postdoctoral researchers into independent laboratory jobs.

The proposed eligibility rule would limit the K99/R00 to U.S. citizens, permanent residents and noncitizen nationals. NIH has not yet posted a formal change to the program announcement, leaving the proposal at the planning stage.

The restriction is slated to apply to fellowship applications due on or after June 12, 2027, according to reporting based on an NIH presentation. The plan emerged publicly on August 7, 2026.

The program currently offers a two-part funding path. Researchers receive up to two years of mentored postdoctoral support, followed by up to three years of independent funding after securing a faculty position.

The award is built for a career transition. NIH career-development guidance says its purpose is to help researchers reach independent investigator status.

The agency’s current guidance still allows non-U.S. citizens and permanent residents to apply when their institutions document that their visas will remain valid long enough to complete both phases. That language would conflict with the proposed citizenship restriction if NIH adopts it.

The proposal would remove a bridge into faculty jobs

The K99/R00, one of the few NIH career-development routes historically available to international researchers, helps address a long-standing hiring problem in academic science. Researchers often need a faculty position to obtain a grant, while universities may expect a grant before offering that position.

The award helps break that circle. Visa holders could lose their main source of funding leverage when competing for tenure-track roles.

NIH makes approximately 230 K99 awards per year, representing an annual investment of roughly $250 million. International scientists account for nearly 50% of postdoctoral fellows in U.S. biomedical laboratories, according to figures cited in the reporting.

Hundreds, if not thousands, of researchers could be affected. The proposal would reach scientists at the point when they seek to convert postdoctoral work into independent laboratories.

Sharon Milgram, former leader of the NIH Office of Intramural Training and Education, said visa holders have used the award to establish permanent careers in the United States.

“Some of the most stellar, outstanding researchers get a K99 on… visas and leverage that to a permanent position in the United States, which greatly benefits all of us.”

The proposed change was developed by an internal working group called “Future of K Awards at NIH.” Its stated policy direction would bring the award into line with most other K career-development programs, which already require citizenship or permanent residency.

Existing applications still face 2026 deadlines

The standard NIH deadlines for new applications in the 2026 cycle are February 12, June 12, and October 13, 2026. The October deadline moved because October 12 falls on Columbus Day.

Those dates govern the current cycle. The planned restriction would apply to applications due from June 12, 2027, according to the reported timetable.

NIH also issued temporary eligibility extensions after federal appropriations lapses in late 2025. Notice NOT-OD-26-021, later corrected by NOT-OD-26-042 on March 4, 2026, covered current applicants whose 48-month eligibility window closed between September and November 2025.

The extension notices address timing. They do not establish the proposed citizenship requirement.

Researchers and universities therefore face two separate issues: whether an applicant remains within the existing eligibility window, and whether the agency changes who may apply in future cycles.

NIH says it is addressing barriers to early careers

NIH said it “continues to track challenges that early-career investigators face and to implement programs that address barriers to advancement.”

The statement did not announce a final eligibility rule. The agency’s published K-specific guidance continues to describe visa-based eligibility through institutional documentation.

Jay Bhattacharya, the NIH director and a Trump administration nominee, said during his Senate confirmation hearing that his plan was to ensure the agency invests in “cutting-edge research in every field to make big advances rather than just small, incremental progress.”

The K99 proposal comes amid a broader federal focus on domestic talent. A White House blueprint for American science prioritizes domestic researchers, while a July 2026 Department of Homeland Security announcement limits student and postdoc visas to a four-year maximum.

The proposal has also been framed partly as a response to increased scrutiny of foreign influence in U.S. research. The working group’s plan would apply that concern to a career award whose current rules permit qualified researchers without permanent immigration status to compete.

Researchers warn of a shift away from U.S. laboratories

Academic leaders have warned that denying the awards to visa holders could accelerate the movement of researchers to the United Kingdom, Canada or Australia. Those countries have recently expanded visa pathways for researchers.

The proposed restriction follows another K99/R00 change. NIH earlier in 2026 shuttered a diversity-focused version of the award, ending grants for more than 100 researchers.

The two actions would affect different groups, but both would narrow access to a program used to launch independent careers. The visa proposal would apply based on immigration status rather than research area.

Lawyers and universities are also watching other grant disputes. Federal judges in Massachusetts and California recently blocked grant-related cuts aimed at “forbidden topics” such as diversity. Those rulings may not determine whether NIH can impose a citizenship restriction on this award.

Lawrence Tabak, the former NIH principal deputy director who retired in February 2026, described the broader institutional shift in stark terms.

“Whatever comes next is never going to be what it used to be. The genie is out of the bottle.”

The proposed rule would not immediately cancel awards already issued, according to the reported plan. Its immediate effect would be on future applicants seeking the transition from mentored training to independent funding.

The next stated cutoff is June 12, 2027. Until then, the published guidance and the proposed eligibility policy point in different directions.