About DecodeTrials
We believe everyone deserves to understand clinical research — not just scientists. DecodeTrials translates complex trial data into language anyone can follow.
Search Naturally
Describe what you're looking for in everyday language. Our AI-powered search understands intent, not just keywords.
AI Translation
Every trial gets a plain English summary with cited references. You can always see exactly what data the AI used.
Privacy First
No health data is ever stored. Accounts are optional and store only your name and email — never medical information.
Why Create an Account?
DecodeTrials works without an account — but signing in unlocks features that help you stay on top of your research.
How DecodeTrials Works
Search
Describe what you need in plain language — a condition, a drug name, or even a question.
Discover
We search ClinicalTrials.gov in real-time and bring back matching trials with AI-powered relevance ranking.
Understand
Each trial gets a 3-bullet summary, drug info, and results interpretation — all in plain English.
Act
Follow trials, compare them, chat with AI about eligibility, and draft inquiry emails.
What's New
- User accounts with follow trials, search history, and personal dashboard
- Email notifications when a followed trial changes status
- AI eligibility chat and inquiry email drafting (for signed-in users)
- Side-by-side trial comparison with AI-generated analysis
- Sponsor and supporter system — help keep DecodeTrials free
- Bug report and feature request system
- AI-powered plain English summaries with cited references
- Natural language search across 400K+ trials
- Trial results interpretation and drug info from PubChem
- Trial genealogy — trace a drug across phases
- Real-time data from ClinicalTrials.gov
All Features
Data Source
All trial data comes directly from ClinicalTrials.gov, the U.S. National Library of Medicine's official registry.
Data is fetched in real-time when you search or view a trial. Drug compound data is sourced from PubChem.
AI Transparency
DecodeTrials uses Claude by Anthropic to generate summaries and interpretations. Every AI-generated element is clearly labeled with an AI-generated badge.
Inline references link each claim to the source data. Click "View AI Sources" to see everything the AI was given.
Your Privacy
Eligibility chats and AI interactions are not logged. We never store your medical information.
Accounts store only your name and email — never health data. You can delete your account and all data anytime.
No ad networks, no third-party trackers, no data sold. DecodeTrials is supported by sponsors and supporters.
Help Keep DecodeTrials Free
DecodeTrials is independently built and funded. Sponsors and supporters make it possible to keep this tool free and ad-free for everyone.
Medical Disclaimer
DecodeTrials is an informational tool, not a medical service. AI-generated content is not medical advice. Always consult your healthcare provider before making decisions about clinical trial participation. The research team conducting each trial makes all final eligibility determinations.