The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is used to store the user consent for the cookies in the category "Other. QPS opened its Springfield, Missouri location in 1994 and has been conducting clinical research studies for over 20 years. View all promising clinical trials underway. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". University of Colorado Hospital conducts hundreds of clinical trials to discover more effective treatments. The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Phase IV trials: After a drug is approved by the FDA and made available to the public, researchers track its safety in the general population, seeking more information about a drug or treatment’s benefits, and optimal use. Phase III trials: The new drug or treatment is given to large groups of people (1,000–3,000) to confirm its effectiveness, monitor side effects, compare it with standard or similar treatments, and collect information that will allow the new drug or treatment to be used safely. Phase II trials: The new drug or treatment is given to a larger group of people (100–300) to determine its effectiveness and to further study its safety. The purpose is to study the drug or treatment to learn about safety and identify side effects. Phase I trials: Researchers test a drug or treatment in a small group of people (20–80) for the first time.
Taking Part in Cancer Treatment Research Studies (National Cancer Institute) Phases of clinical trialsĬlinical trials are conducted in a series of steps called “phases.” Each phase has a different purpose and helps researchers answer different questions. Food and Drug Administration)Ĭlinical Trials Information for Patients and Caregivers (National Cancer Institute) What are the Different Types of Clinical Research? (U.S.