> For the complete documentation index, see [llms.txt](https://docs.tuumio.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tuumio.com/tuumio-wallet-user-manual/care.trials/overview.md).

# Overview

## Getting started

Participate in clinical trials to help discover new treatments and contribute to medical advancements. Join Care.Trials and search for clinical trials near you.

## Types of roles in Care.Trials

* **Participants** — When you join Care.Trials as a participant, you will have access to available trials that match your profile. Use swiping to like or skip matched trials.
* **Physician** — The physician, also known as principal investigator, helps connect patients to relevant clinical trials. In Care.Trials, the physician can browse trials, refer patients and search for trial sponsors.
* **Site Admin** — The site admin helps coordinate clinical trials in a specific site location. In Care.Trials, the site admin can view leads and interact with the participants.
* **Trial Admin** — The trial admin oversees the clinical trials in all sites. In Care.Trials, the trial admin can activate trials and set the budget for a trial site.
* **Nurse** — The nurse in Care.Trials can review medical records and verify the eligibility of participants.

## Joining the Care.Trials network

1. Sign in to the TuumIO Wallet app.
2. From the CTN Home screen, select the role you want to join.\
   ![](/files/8cyxku7NcZXXGBMlSCQz)
3. Tap any card of the role.\
   ![](/files/OrSxB56mAuCl8d5BvsbA)
4. Please review the terms and conditions.
5. Tap the join button.
6. Wait up to 5 minutes to connect your TuumIO Wallet to the network.