The use of placebo in a clinical trial may be justified:

The use of placebo in a clinical trial may be justified in a way in which conditions are likely to be not approved and that they are likely to be considered to be not an effective treatment in regards with the clinical trial. It is because of the properties that it contains lacks that makes it not an applicable treatment in clinical trials for they lack a property or an activity that would suit best that would consider it as an effective medication.