Table 4.
Response by Individual Response Modality After Second Treatment
| Response | Second Treatment |
Overall |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Scan |
Catecholamine/Metanephrine |
CgA |
||||||||
| MIBG |
CT/MRI |
|||||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | |
| CR | 2 | 14 | 2 | 17 | 4 | 57 | 1 | 20 | 1 | 7 |
| PR | 8 | 57 | 4 | 33 | 1 | 14 | 1 | 20 | 5 | 33 |
| MR | — | — | — | — | 1 | 14 | — | — | 5 | 33 |
| SD | 3 | 21 | 3 | 25 | 1 | 14 | 2 | 40 | 1 | 7 |
| PD | 1 | 7 | 3 | 25 | 0 | 0 | 1 | 20 | 3 | 20 |
NOTE. Response after second treatment was relative to disease status after the first treatment.
Abbreviations: MIBG, metaiodobenzylguanidine; CT, computed tomography; MRI, magnetic resonance imaging; CgA, chromogranin A; CR, complete response; PR, partial response; MR, minor response; SD, stable disease; PD, progressive disease.