Galleri by GRAIL vs Shield by Guardant
Side-by-side comparison of cancer screening tests.
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Test Performance
| Feature | Galleri by GRAIL | Shield by Guardant |
|---|---|---|
| Price | $949 | $1495 |
| Cancers Detected | 50+ cancers | Colorectal only |
| Sensitivity | 51.5% overall | 84% for CRC |
| Specificity | 99.5% | 90% |
| Sample Type | Blood draw | Blood draw |
| FDA Status | Not FDA approved | FDA approved |