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No drug can become available for the market, without having got evidence that

  • it is safe

  • it improves patients health condition

These can be proven after several steps, developed over a 7-10 years period of time



Studies are conducted in laboratories
They are  in vitro (on cells) or in vivo (on animals) studies


Studies are conducted on patients

Phase I studies evaluate drug safety and tolerability  

Phase II studies evaluate therapeutic potential and dosage of the drug on a few number of patients

Phase III studies evaluate therapeutic potential, efficacy and side effects of the drug on a high number of patients

Phase IV studies evaluate possible side effect, after the new drug become available to the market





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Iscrizione al n.88 del Registro delle Persone Guridiche della Prefettura di Isernia.

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