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Median progression-free survival by duration of prior CDK4/6 inhibitor therapy
| Endpoints | ≤6 months | >6 months | HR (95% CI) |
|---|---|---|---|
| Cohort A | (n = 26) | (n = 94) | 0.51 (0.29-0.89) |
| PFS events | 57.7% | 79.8% | |
| Median PFS | 12.0 months | 6.2 months | |
| Cohort B | (n = 30) | (n = 83) | 0.72 (0.45-1.18) |
| PFS events | 76.7% | 77.1% | |
| Median PFS | 5.9 months | 5.6 months |
