| Stimulus | CFBE (% control) | HBE (% control) |
| NE 50 nM | 275.3 (266.1 to 361.3) | 180.8 (148.9 to 201.1) |
| NE 50 nM + DX-890 200 nM | 135.4 (88.15 to 161.2) | 102 (85.71 to 123.6) |
| CF sol 1:100 | 468.9 (237 to 712.6) | 195.4 (167.9 to 244.9) |
| CF sol 1:100 + DX-890 1 μM | 321.7 (131.8 to 678.4) | 203.9 (137.1 to 243.1) |
Data are median (interquartile range). The control values (media alone) were 22.94 pg/ml (14.51 to 29.72) for CFBE and 227.7 pg/ml (184.3 to 306.0) for HBE.