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CPS-3 Portal Enhances Data Collection and Participant Experience

The CPS-3 Participant Portal was developed to:  

  • Enhance the CPS-3 experience for participants by making it easier to complete surveys and share other types of information in one place.
  • Allow efficient and safe two-way communication between study participants and the CPS-3 research team.
  • Accelerate scientific discovery by collecting study-related data more efficiently.
  • Investigate and test novel data collection methods.
  • Save money by reducing/minimizing traditional paper surveys so that we can use those donated funds for our lifesaving research.

In the summer of 2020, we piloted the CPS-3 portal to a select group of CPS-3 participants. Their feedback helped us improve and expand the portal into what it is now: convenient, easy to use, and appealing to study participants. 

In 2021 and 2022, we began rolling out the portal to all CPS-3 participants. Over 60,000 participants have already joined, and registration is still open.

Would you like to register for the CPS-3 Participant Portal?

  1. Visit Bookmark this site for easy access in the future.
  2. Click on “New User? Join Now.”
  3. Use your unique 7-digit CPS-3 ID (It’s printed directly above your name on the outside of your CPS-3 Summer 2022 Newsletter and in your CPS-3 Portal email invitation). Next, you'll confirm your ID and birth date.
  4. Confirm your contact information, review and sign the e-consent, and set up a password to access the secure site.

If you've already registered, access your account by logging in at any time. (

Thank you for registering for the CPS-3 Participant Portal!

ABC's of the CPS-3 Portal