Live data from ClinicalTrials.gov

Find clinical trials for
rare diseases

Search thousands of active studies. Our AI reads the eligibility criteria and translates them into language you can actually understand.

400K+
Studies indexed
28
Rare diseases covered
100%
Free for patients

Browse by category

How it works

Three steps to understanding what clinical trials are available to you.

Search your condition
Type your diagnosis or browse our rare disease categories. Add a location to find trials near you.
Review active trials
See every recruiting study with its phase, interventions, locations, and eligibility requirements at a glance.
Understand in plain English
Our AI reads the dense medical criteria and translates them into language that actually makes sense.

Built for patients, not pharma

Most clinical trial tools are built for researchers. Trial Friend is different.

Real-time data
We pull directly from ClinicalTrials.gov, the official U.S. government database. No stale listings.
AI that explains
Clinical trial eligibility reads like a legal contract. Our AI breaks it down so you know if a study might be right for you.
Privacy first
We don't sell your data, track you across sites, or require an account. Search anonymously.
Always free
Trial Friend is free for patients and caregivers. Always has been, always will be.

Frequently asked questions

Is Trial Friend a medical service?

No. Trial Friend is an informational tool that helps you find and understand clinical trials. It does not provide medical advice. Always talk to your doctor before considering participation in a clinical trial.

Where does the trial data come from?

All trial data comes directly from ClinicalTrials.gov, the official database maintained by the U.S. National Library of Medicine. We query it in real time so you always see the latest information.

How does the AI translation work?

When you click "Translate to plain English," we send the eligibility criteria to an AI model that rewrites the medical language into everyday terms. It highlights key requirements like age ranges, prior treatments, and health conditions to watch for.

Do I need to create an account?

No. You can search and read trials without signing up for anything. If you want to receive email alerts when new trials open for your condition, you can optionally enter your email.

What is a rare disease?

In the United States, a rare disease is defined as a condition that affects fewer than 200,000 people. There are more than 7,000 known rare diseases, and collectively they affect about 30 million Americans.

Is this really free?

Yes. Trial Friend is completely free for patients and caregivers. We believe access to clinical trial information shouldn't have a price tag.

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Get notified when new rare disease trials open that match your interests.

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