TrialFinder Clinical trials, in plain English.

Patient Guides — Understanding Clinical Trials

Whether you are considering a clinical trial for yourself, a family member, or someone you care for, these guides explain how trials work in plain English — no medical degree required.

What Is a Clinical Trial?

The basics of clinical trials — what they are, why they exist, and how your safety is protected.

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What Are Clinical Trial Phases?

Phase 1 through Phase 4 explained — what each stage tests, how many people are involved, and how long they take.

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How to Join a Clinical Trial

A step-by-step walkthrough from finding a trial to enrolling, including screening and informed consent.

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Questions to Ask Your Doctor

20 essential questions covering risks, logistics, costs, alternatives, and your rights as a participant.

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How to Read Eligibility Criteria

Decode inclusion and exclusion rules, lab values, and medical jargon so you know if a trial fits you.

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Understanding Informed Consent

What informed consent really means, what the document should cover, and your rights before and after signing.

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Clinical Trials for Children

How pediatric trials differ from adult trials, assent vs consent, and safety protections for young participants.

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Clinical Trials for Rare Diseases

How rare disease trials work, the Orphan Drug Act, patient registries, and resources for finding studies.

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Caregiver Guide to Clinical Trials

Practical guidance for caregivers supporting a loved one through a clinical trial, from logistics to emotional support.

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Clinical Trial Myths — Debunked

Common myths about clinical trials separated from fact — placebos, safety, eligibility, costs, and more.

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Have a specific question? Check our frequently asked questions page for quick answers, or search for a clinical trial by condition.