Maximum tolerated dose and optimal tolerated dose of pegylated liposomal doxorubicin hydrochloride (Doxil) when given in combination with cyclophosphamide (Phase I) At the dose level in which 2 or more patients develop treatment-related toxicity of grade 3 or higher OR require a dose adjustment following the first course of treatment [clinicaltrials_resource:50ede22c749d71e99b1f5ce1fbe5bd8f]

Patients receive oral cyclophosphamide once daily on days 1-28 and pegylated doxorubicin HCl liposome IV over 90 minutes on day 1. Treatment repeats every 4-6 weeks in the absence of disease progression or unacceptable toxicity. Some patients with HER2/neu 3+ disease may also receive trastuzumab IV over 30-90 minutes weekly or every 3 weeks at the discretion of the treating physician.

Maximum tolerated dose and optimal tolerated dose of pegylated liposomal doxorubicin hydrochloride (Doxil) when given in combination with cyclophosphamide (Phase I) At the dose level in which 2 or more patients develop treatment-related toxicity of grade 3 or higher OR require a dose adjustment following the first course of treatment [clinicaltrials_resource:50ede22c749d71e99b1f5ce1fbe5bd8f]

Patients receive oral cyclophosphamide once daily on days 1-28 and pegylated doxorubicin HCl liposome IV over 90 minutes on day 1. Treatment repeats every 4-6 weeks in the absence of disease progression or unacceptable toxicity. Some patients with HER2/neu 3+ disease may also receive trastuzumab IV over 30-90 minutes weekly or every 3 weeks at the discretion of the treating physician.