Neratinib oral daily days 1-21 plus TDxD on day 1 administered intravenously of a 21 day treatment cycle.
Patients will be enrolled in cohorts of 3 at each dose level of Neratinib (120 mg, 160 mg, 200 mg) daily (days 1 through 21)
Drug: Fam-Trastuzumab Deruxtecan-Nxki (TDxD)
standard dosing of TDxD (5.4mg/m2) on day 1of a 21 day treatment cycle
Source: View full study details on ClinicalTrials.gov
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