<p><strong>Neutropenia</strong>: Neutropenia was the most frequently reported adverse reaction. Monitor complete blood counts prior to starting Palbociclib therapy and at the beginning of each cycle, as well as on day 15 of the first 2 cycles, and as clinically indicated. Dose interruption, dose reduction, or delay in starting treatment cycles is recommended for patients who develop grade 3 or 4 neutropenia. Febrile neutropenia has been reported in 1.8% of patients exposed to Palbociclib. One death due to neutropenic sepsis was observed. Physicians should inform patients to promptly report any episodes of fever.<br />
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<strong>Embryo-Fetal Toxicity</strong>: Palbociclib can cause fetal harm when administered to a pregnant woman. Advise pregnant women of the potential risk to a fetus. Advise females of reproductive potential to use effective contraception during treatment with Palbociclib and for at least 3 weeks after the last dose.</p>