How long does preclinical investigation usually take?

Question

Quizplus · Accepted Answer

C) Preclinical investigation usually takes between one and three years. It is the first stage of new drug testing, and involves extensive research on human and microbial cells in a laboratory. The average time for preclinical investigation is 18 months. This phase is always inconclusive since results may be insufficient or excessive in comparison to how human subjects will actually react to a new product.

How Long Does Preclinical Investigation Usually Take