OnCo
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Venetoclax + obinutuzumab (12 months)

Venetoclax plus obinutuzumab, one year of a pill plus an antibody, was the first fixed-duration, chemotherapy-free CLL regimen, with half of patients still in remission at six years.

CLL14 (unfit: 6-year PFS 53%) and CLL13 (fit: 5-year PFS 70%, 81% with ibrutinib added). Obinutuzumab outperformed rituximab as the venetoclax partner in CLL13.

Rationale
Obinutuzumab debulks and reduces TLS risk before venetoclax ramp-up and adds ADCC-mediated killing; venetoclax clears MRD.
Evidence
Two positive phase 3 trials.

Key papers

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