Table 1 Changes in tumour volume, DW-MRI and DCE-MRI parameters between day 0 and day 3 in control and treated TOV-21G and TOV-112D xenografts
TOV-21G | TOV-112D | |||||
---|---|---|---|---|---|---|
Mean change control ( n =4) | Mean change BEZ235 ( n =8) | P -value | Mean change control ( n =4) | Mean change BEZ235 ( n =8) | P -value | |
Normalised volume (to day 0) | 0.26±0.04 | −0.15±0.09 | <0.001 | 0.39±0.29 | 0.17±0.13 | 0.224a |
Median ADC ( × 10−6 mm2 s−1) | −1.6±50 | 140±35 | <0.001 | 0.2±13.7 | −5.9±26 | 0.675 |
ADC skewness | 0.2±0.1 | −1.0±0.6 | 0.001 a | 0.8±2.7 | 0.0±2.1 | 0.587 |
ADC kurtosis | 0.6±0.3 | −4.5±2.7 | 0.001 a | 17.6±38.1 | 11.5±23.4 | 0.736 |
Median Ktrans ( × 10−3 min−1)b | −18±15 | 17±28c | 0.050 | −15±8 | 2±14 | 0.060 |
Median ve ( × 10−3)b | −33±12 | 131±70c | 0.001 | −8±6 | 19±16 | 0.002 a |
Median vp ( × 10−3)b | −6.4±7.9 | 14.1±20.4c | 0.091 | −0.1±3.8 | 0.4±5.6 | 0.875 |
Median RSI1 minb | −0.4±0.4 | 0.6±0.7c | 0.025 | −0.2±0.2 | 0.1±0.2d | 0.028 |
Median AUC1 min a.u.b | −7.1±6.4 | 15.4±17.2c | 0.036 | −11 .1±7.3 | 3.8±3.0d | 0.001 |
FEV1 min (%) | −14±11 | 13±15c | 0.011 | −14±17 | 11±16 | 0.029 |