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Regulatory clearance expands the addressable market and could lift near-term sales for TUKYSA; success depends on real-world uptake and payer coverage, but the headline is positive for Pfizer's oncology growth narrative.
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Pfizer announced FDA approval of TUKYSA with trastuzumab and pertuzumab for maintenance in adults with unresectable HER2+ breast cancer, expanding its use to frontline metastatic disease after induction. The move could broaden TUKYSA's addressable market and lift near-term sales if clinicians adopt the regimen and payers reimburse. The success hinges on uptake, payer coverage, and competitive dynamics in the HER2 space.
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