Diane Screnci, a spokeswoman for the commission, said the agency conducted "rigorous examinations" to determine safety.
The aim of the tests conducted so far on humans is to determine safety, not effectiveness.
The experiment is a Phase 1 trial, meaning that its main goal is to determine safety, not efficacy.
The F.D.A. required little information from drug-makers about side effects and had no standard criteria for determining safety or efficacy.
Although the F.D.A. had reviewed other studies, only the two multigenerational ones met its guidelines for determining safety for human consumption, said Dr. Mitchell Cheeseman, deputy director of the agency's Office of Food Additive Safety.
The Insurance Institute for Highway Safety also conducts crash tests on vehicles to determine safety ratings.
Some authors argue that demand volatility can be handled with exogenously determined safety stocks.
However, our modeling approach has the advantage of being flexible enough to determine safety stocks endogenously.
Patients were screened for HIV-1 3 and 6 months after embryo transfer to determine safety.
This paper set out a method to determine safety factors when designing composite laminate with strongly non-linear behaviour.
