| Steroidal MRA |  | Non-steroidal MRA |
---|---|---|---|
 | Spironolactone | Eplerenone | Finerenone |
Structural properties | Flat (steroidal) | Flat (steroidal) | Bulky (non-steroidal) |
MR-Affinity | +++ | + | +++ |
MR-Selectivity | + | ++ | +++ |
Sex-hormone-related side effects | ++ | (+) | - |
CNS penetration | + | + | - |
Plasma half-life | > 20 h | 4-6 h | 2-3 h |
Effect on BP | +++ | ++ | + |