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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.

Begin a New IDATA Project

Data from the IDATA study are available upon request. To access these materials, you must submit a new IDATA project, and it must be approved. The full instructions of this process are described in the file below. When you are ready to begin your project, click the button below.

You may view projects you have already begun or submitted by visiting My CDAS.

IDATA Data-Only Project

You may create a project proposal for IDATA data.

Data-Only project proposals must be submitted by the Principal Investigator(PI). You may fill out a project proposal if you are not the PI, but the PI must review and submit.

Expected time for a new project to have data delivered: 1-4 weeks

View Instructions (PDF - 181 KB)

Begin New IDATA Project
(No Biospecimens)

IDATA Application for Biospecimens

This option is how access to biospecimens is granted. The first step in the approval process is the Preliminary Application. Click on this button if you would like to begin an Preliminary Application for IDATA biospecimens.

Expected time for a new project to determine review outcome: 4-6 months1
1 Delivery of materials occurs afterward and will require additional time.

New IDATA Preliminary Applications may be submitted from:
Aug. 11, 2025 until Feb. 10, 2026, 11:59 PM, US Eastern time

View Instructions (PDF - 347 KB)

View Policies and Procedures (PDF - 471 KB)

Begin an IDATA Application for Biospecimens