A clinical trial is a voluntary research study that looks at whether a new treatment, drug, device, or approach is safe and effective for people. Trials follow strict rules called a protocol — a detailed plan created by researchers and reviewed by independent ethics boards to protect participants at every step.
Every approved medication you've ever taken went through clinical trials first.
Each phase gathers more evidence about safety and effectiveness. Click a phase or use the arrows.
Each dot is a volunteer: 20–100 people, watched closely for safety.
The treatment is given to a small group of people for the very first time. The focus is safety: identifying side effects, understanding how the body processes the treatment, and finding the right dosage. Participants are closely monitored at every step.
Good to know: Phase 1 participants are watched with frequent check-ups — your safety is the #1 priority at this stage.
Turned Type 1 diabetes from a death sentence into a manageable condition overnight.
Continuous epidural anesthesia transformed surgery and made labor pain relief routine.
The largest trial in history — 1.8 million children — and it virtually wiped out polio.
The first oral contraceptive reshaped reproductive medicine and women's health.
Screening trials cut breast-cancer mortality by roughly 30%.
Years of testing led to OTC approval of the world's most-used pain reliever.
Built on decades of SSRI research — one of the most prescribed antidepressants worldwide.
First continuous glucose monitor — replaced finger pricks with real-time data.
Trials proved a once-daily pill could prevent HIV infection — a public-health paradigm shift.
Opened a new era of cancer immunotherapy across dozens of tumor types.
Trials revealed far more than blood-sugar control — a breakthrough in obesity medicine.
Phase 3 trials in months, 90%+ efficacy — the first mRNA vaccines ever approved.
Scroll or use the arrows · Years reflect initial trial or landmark approval date
Participation is always voluntary, and your safety and dignity come first.
You'll receive a clear, written explanation of the study — purpose, procedures, risks, and benefits — before you decide to join.
You can leave the trial at any time, for any reason, without penalty or loss of benefits you're otherwise entitled to.
Your personal information and medical data are protected by strict regulations like HIPAA throughout the study.
You can ask your research team any question at any point — and receive a clear, honest answer.
You'll continue to receive standard medical care and be monitored for side effects throughout your participation.
You may request information about the study results and how the research contributed to medical knowledge.
Not all trials use placebos. Many compare a new treatment to the current best available therapy. If a placebo is used, you'll be told during the informed consent process before you join. You'll never be left without necessary medical care.
Still have questions? Your doctor — or the research team of any trial you're considering — can answer questions specific to your situation. Or email info@saturnhealth.com.
Saturn Health compares each trial's eligibility criteria against your health profile — so you only spend time on trials you can actually join.