Final answer:
According to ICH GCP, sponsors should supply investigators with the product before the start of a clinical trial.
Step-by-step explanation:
According to ICH GCP, sponsors should supply investigators with the product before the start of a clinical trial. The International Conference on Harmonisation (ICH) guideline requires sponsors to provide study drugs to investigators, who are responsible for administering the product to study participants. By supplying investigators with the product, sponsors ensure that participants have access to the medication during the trial.