Table 1.
Apparent Digoxin Concentrations After Supplanting Aliquots of Drug‐Free Serum With Oleandrin or Oleander Extract
| Apparent digoxin, ng/ml, Mean (SD), n=3 | ||||
|---|---|---|---|---|
| Specimen | Vista (Flex Reagent Cartridge) | FPIA | EMIT | Tina Quant |
| Drug‐free serum | ND | ND | ND | ND |
| 50 ng/ml Oleandrin | 0.7 (0.00) | 0.6 (0.04) | 0.5 (0.04) | ND |
| 100 ng/ml Oleandrin | 0.9 (0.00) | 1.0 (0.03) | 0.6 (0.02) | ND |
| 250 ng/ml Oleandrin | 1.2 (0.06) | 1.3 (0.05) | 0.9 (0.03) | ND |
| 500 ng/ml Oleandrin | 1.6 (0.10) | 1.5 (0.02) | 1.2 (0.01) | 0.3 (0.00) |
| 1 μg/ml Oleandrin | 2.2 (0.06) | 2.3 (0.03) | 1.8 (.009) | 0.7 (0.06) |
| 5 μg/ml Oleandrin | 3.5 (0.06) | 3.6 (0.15) | 2.6 (0.07) | 1.0 (0.06) |
| 1 μl/ml Oleander | 0.9 (0.00) | 0.9 (0.03) | 0.8 (0.05) | ND |
| 2.5 μl/ml Oleander | 1.4 (0.10) | 1.3 (0.05) | 1.0 (0.06) | 0.2 (0.00) |
| 5 μl/ml Oleander | 1.6 (0.10) | 1.7 (0.05) | 1.3 (0.04) | 0.3 (0.10) |