Inc. (USA) - - INNOVATE -

The sub­stance is tested for safety and ef­fi­cacy, of­ten with dou­ble-blind stud­ies, so nei­ther the doctors nor the pa­tients know who is get­ting the drug or the placebo. These can in­volve sev­eral hun­dred to sev­eral thousand pa­tients, and can take any­where from a few months to a few years.

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