Research studies conducted with patients are called clinical trials.
The patients in a clinical trial are among the first to receive new research treatments before they are widely available.
How a treatment will work for a patient in a trial can't be known ahead of time. Even standard treatments, although effective in many patients, do not carry sure benefits for everyone. But, patients should choose if they want to take part in a study or not only after they understand both the possible risks and benefits.
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