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Types & Phases of Trials
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Location Finder
Here's your guide to finding any of the facilities in the Aultman family of health services, including maps and contacts.
Need a Doctor?
Aultman's network of providers is committed to high-quality patient care.
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Types & Phases of Trials
Different type of Trials:
• Treatment trials test new possible treatments, new combinations of drugs, or new approaches to surgery or radiation therapy.
• Screening trials test the best way to detect certain diseases or health conditions.
• Prevention trials look for better ways to prevent disease in people who have never had the disease or to prevent a disease from returning. These approaches may include medications, vitamins, vaccines, minerals, or lifestyle changes.
• Diagnostic trials are conducted to find better tests or procedures for diagnosing a particular disease or conditions.
• Quality of Life trials, sometimes called Supportive Care trials, explore ways to improve comfort and the quality.
• Observational trials collect information about how healthcare providers routinely treat patients without the influence of a protocol. Observational studies are sometimes called “Real World” registries because of the lack of prescribed treatment. The study will typically collect information on side effects and health outcomes.
Clinical trials are divided into four stages or phases:
• Phase I trials are the first test of the dose and safety of a drug.
• Phase II trials evaluate safety and effectiveness in participants with the disease being treated, diagnosed, or prevented.
• Phase III trials compare the new treatment to the best existing treatment for a particular condition or disease.
• Phase IV trials are designed to obtain more information on treatments that have already been approved by the FDA. Sometimes marketed products are studied for new indications.
The number of participants required for each trial increases with the phase. Phase I trials may only involve fewer than 100 people. Phase II trials may recruit 100-200 participants across all sites, whereas a Phase III or IV trial may ask for 18,000 participants. Aultman primarily participates in Phase II, III and IV multi-site clinical trials.
Location Finder
Here's your guide to finding any of the facilities in the Aultman family of health services, including maps and contacts.
Need a Doctor?
Aultman's network of providers is committed to high-quality patient care.
Schedule an Appointment
Click below to complete an online form.
Donate Today
You can help support and enhance services, and in turn, help patients and their families who benefit from care received at Aultman.