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Nudelklone t1_itufulo wrote

No, the incidence you mentioned was not a double-blind study. It was a Phase I clinical study. The first test of a drug in humans. This test is done to test the safety, the side effects, the best dose and the best formulation method for the drug. All probands in a clinical phase I study are healthy individuals without the disease in question and all of them receive the drug (after intense studies in animals).