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Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit  cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at OPM.gov.

Posted on April 11, 2025, 11:31 a.m. in PLCO


Requests for Specimen Verification will only be accepted from Apr 10, 2025 to May 12, 2025. If you plan to submit a grant application this cycle, an approved Request for Specimen Verification is required. Once your Request for Specimen Verification has been approved, you will receive a confirmation letter to accompany your grant application.

The grant application deadline is June 10, 2025.

Information is available regarding the PLCO trial and PLCO biospecimens.

Please visit the PAR Request Form for Specimen Verification page to preview instructions about the process, review the Policies and Procedures, and begin a Request for Specimen Verification.

If you have any questions, please contact CDAS staff at cdas-eems@imsweb.com.