FDA classes | Definition | CAESAR Binary class | Total compounds |
---|---|---|---|
Category A | Negative human studies | ||
Category B | Negative animal studies | ||
No human studies executed | Non-developmental toxicant | 91 | |
OR | |||
Positive animal studies | |||
Negative human studies | |||
Category C | Positive animal studies | ||
No human studies executed | |||
OR | |||
No studies at all | |||
Category D | Positive human studies | Developmental toxicant | 201 |
Category X | Animal OR human studies show abnormalities | ||
AND/OR | |||
Evidence of fetal risk based on human experience | |||
292 |