Clinical trials are conducted to test the effectiveness of the medicine to treat either the existing diseases or derive completely new medicine to treat the novel killing diseases. The primary information that needs the attention of the patient and the doctor in the medical trial is whether the volunteer is undergoing the study treatment or standard treatment.Study treatment undergoes with the intention of bringing the advancement in the existing medicine where as standard treatment runs with objective detecting something which is entirely new. Medical trails run in three phases. Phase1 includes few healthy people where doctors come to a conclusion about risk free dosage of the medicine to treat the diseases. Phase II includes the diseases affected people which the medicine intends to treat and this phase help the doctors to conclude the best way to give the treatment. Phase III includes large bunch to carry out the experimental process to check if the new treatment works well when compared to the standard one.
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