Research is a general term used to describe efforts to explore and understand things that are not clear to us.
A clinical study is a type of research—also called observational research—in which participants are observed. Drugs are not used. For example, CF clinical studies usually explore ideas about CF and the disease process.
While they don’t test drugs or treatments, they are very important for developing new ideas about cystic fibrosis and how it might be treated.
A clinical trial is a type of research—also called interventional research—that follows certain guidelines set up by the government to allow drugs or treatments to be tested with people.
Researchers see how a drug works in the body under highly controlled conditions and whether a treatment is helpful.