BROWSER USE

- Browser Use Agents: give Browser Use a task and receive completed work. API V4 is current for new integrations.
- Browser Infrastructure: connect your agent or automation to managed browsers through SDK, REST, or CDP. Starts at $0.02/browser-hour.
- Developer tools: Open Source, Browser Harness, SDK, and MCP support the two products above.

[Developer Index](https://browser-use.com/index.md)
[Product Map](https://browser-use.com/llms.txt)
[Full Product Context](https://browser-use.com/llms-full.txt)
[Pricing](https://browser-use.com/pricing.md)
[Cloud Docs](https://docs.browser-use.com/cloud/quickstart)
[Open Source Docs](https://docs.browser-use.com/open-source/introduction)

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# Search ClinicalTrials.gov with an AI Agent

## Find Alzheimer's Biomarkers

Browser Use works through the results, reads each protocol, and returns the trials that qualify.

[Run this task free](https://cloud.browser-use.com/?utm_source=showcase&utm_medium=website&utm_campaign=showcase&utm_content=alzheimers-biomarkers)clinicaltrials.gov

## The prompt

On ClinicalTrials.gov, find companies running trials that use Alzheimer's blood biomarkers. Return company, trial ID, phase, biomarker, and status.

Copy

Runs on [stealth browsers](https://browser-use.com/stealth-browsers) at $0.02/hour. No card required · [pricing](https://browser-use.com/pricing)

## Why it's hard

The registry's search matches text, not meaning, so the right trials use words you did not guess.

-   Biomarkers named differently by every sponsor
-   Outcome measures buried in the full protocol text
-   Trials listed under a subsidiary rather than the parent

## More research

[See all →](https://browser-use.com/showcase/category/research)

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### [Track Clinical-Trial Results](https://browser-use.com/showcase/clinical-trial-results)

### [Map Diabetes Devices](https://browser-use.com/showcase/map-diabetes-devices)