Summary
- Laboratory and animal studies come first and help decide whether human studies are reasonable.
- Regulators review results from the human studies before a product is approved.
- Approval is a decision about benefits and risks, and monitoring continues afterward.
Section 1.0
Before people
Researchers study an idea in the laboratory and, where required, in animals. These steps look at how something behaves and at early signs of safety, and they shape what the first human study looks like.
Section 2.0
Asking permission
In the United States, sponsors submit plans to the FDA before human studies of many products begin, and independent review boards look at studies that involve people.
Section 3.0
The review
After the later phases, a sponsor can submit its results for review. Regulators weigh the evidence on benefits and risks and decide whether to approve it and how it should be labeled.
Section 4.0
Not the end
After approval, safety reporting continues. This is a summary for general understanding, and each product’s path differs.
Phaseno is an information website, not a medical provider, research sponsor, study site, or recruiter. We do not treat patients, enroll volunteers, rank studies, or pass your details to sponsors, sites, or recruiters. The guides are general information, not medical, legal, or financial advice.