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A health professional who works directly with patients, or uses data from patients, to do research on health and disease and to develop new treatments. Clinical researchers may also do research on how health care practices affect health and disease.
The failure of a cancer to shrink after treatment.
A case series in which the patients receive treatment in a clinic or other medical facility.
The stage of cancer (amount or spread of cancer in the body) that is based on tests that are done before surgery. These include physical exams, imaging tests, laboratory tests (such as blood tests), and biopsies.
A type of research study that tests how well new medical approaches work in people. These studies test new methods of screening, prevention, diagnosis, or treatment of a disease. Also called clinical trial.
A part of the clinical research process that answers specific questions about whether treatments that are being studied work and are safe. Phase I trials test the best way to give a new treatment and the best dose. Phase II trials test whether a new treatment has an effect on the disease. Phase III trials compare the results of people taking a new treatment with the results of people taking the standard treatment. Phase IV trials are done using thousands of people after a treatment has been approved and marketed, to check for side effects that were not seen in the phase III trial.
A person, company, institution, group, or organization that oversees or pays for a clinical trial and collects and analyzes the data. Also called trial sponsor.
A type of research study that tests how well new medical approaches work in people. These studies test new methods of screening, prevention, diagnosis, or treatment of a disease. Also called clinical study.
A health professional who takes care of patients.
A type of psychotherapy that helps patients change their behavior by changing the way they think and feel about certain things. It is used to treat mental, emotional, personality, and behavioral disorders. Also called CBT and cognitive therapy.
