Generally speaking, the clinical trial is a scientist or research institutions Medical Center physicians, in order to test the effectiveness of new cancer therapies proposed research projects. For some higher stage of cancer or can not find an effective formal standard therapy for cancer patients, the attending physician may be recommended for cancer patients participating in clinical trials. The main purpose is to assist the scientist or a doctor to complete the study of these new therapies to determine whether it can be effective and safe to use in other cancer patients.
Clinical trials are usually some laboratory and animal tests that can be used in humans think of the new treatment. Clinical trials in three phases; the first phase of a small number of patients for testing is to determine ways and medication use the safe dose and frequency; The second stage is to find more patients to test the safety of new therapies, side effects and the effect of drugs; the third phase is usually different in various medical centers from more patients to participate in a relatively new sub-standard treatment therapy and regular results. In some cases, new treatments for drug testing by allowing the use of the Authority, they are still continuing to do the tracking, if found on the human body have serious side effects, we immediately stop the use of new therapies.
Clinical trials usually have each selected the conditions of some patients, only patients who meet the conditions to join the clinical trial. Therefore, when conditions permit, the patient may also want to consider participating in clinical trials. But you should discuss with the attending physician to participate in the pros and cons of whether or not, and overall understanding and acceptance of the risk of clinical trials to participate to do when.
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