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A Study of a Combination of Trastuzumab and Capecitabine With or Without Pertuzumab in Patients With HER2-positive Metastatic Breast Cancer (PHEREXA)
A Study of a Combination of Trastuzumab and Capecitabine With or Without Pertuzumab in Patients With HER2-positive Metastatic Breast Cancer (PHEREXA)

NCT01026142

CompletedPhase 3

Sponsor: Hoffmann-La Roche

Conditions: Breast Cancer

Interventions: Capecitabine, Capecitabine, Pertuzumab, Trastuzumab

Countries: Argentina, Austria, Belgium, Brazil, Canada, Croatia, Czechia, Estonia

This randomized, two-arm study evaluated the efficacy and safety of a combination of trastuzumab and capecitabine with or without pertuzumab in patients with human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer. The study population consisted of female patients, whose disease had progressed during or following previous trastuzumab therapy for metastatic disease. All patients in Arm A and Arm B received trastuzumab (8 mg/kg iv as loading dose and then 6 mg/kg iv every 3 weeks thereafter) and capecitabine oral twice daily for 14 days every 3 weeks (1250 mg/m2 twice daily in Arm A and 1000 mg/m2 twice daily in Arm B). In addition, patients in Arm B received pertuzumab (840 mg iv as loading dose and then 420 mg iv thereafter) every 3 weeks. Study treatment continued until disease progression or unacceptable toxicity.

Eligibility overview

Sex: FEMALE

Age: 18 Years to

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria
Inclusion Criteria:

* Adult female patients \>/=18 years of age
* Metastatic HER2 positive breast cancer
* Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1
* Disease progression during or following trastuzumab-based therapy for 1st line metastatic breast cancer (trastuzumab must have been part of the last prior treatment regimen)
* Prior treatment with taxane-containing regimen
* Left ventricular ejection fraction (LVEF) \>/=50 percent
* For women of childbearing potential agreement to use highly effective non-hormonal form of contraception or two effective forms of non-hormonal contraception by patient and/or partner. Contraception must continue for duration of study treatment and for at least 6 months after last dose of study drug treatment

Exclusion Criteria:

* Prior treatment with pertuzumab or capecitabine
* Concurrent treatment with other experimental drug
* Concurrent immunotherapy or anticancer hormonal therapy
* Serious concurrent disease (e.g. active infection, uncontrolled hypertension, cardiovascular disease)
* Central nervous system (CNS) metastases, which are not well controlled
* History of exposure to anthracycline cumulative dose equivalent to 360mg/m2
* History of congestive heart failure of any New York Heart Association criteria, or serious cardiac arrhythmia requiring treatment
* History of myocardial infarction within 6 months prior to randomization
* History of LVEF decline to below 50% during or after prior trastuzumab therapy or other cardiac toxicity during previous trastuzumab treatment that necessitated discontinuation of trastuzumab
* History of another cancer which could affect compliance or result interpretation
* Inadequate organ function
* Pregnant or breastfeeding women
* life expectancy \< 12 weeks
Locations (190)
  • Buenos Aires, Argentina
  • Buenos Aires, Argentina
  • La Plata, Argentina
  • Quilmes, Argentina
  • Rosario, Argentina
  • Santa Fe, Argentina
  • Krems, Austria
  • Rankweil, Austria
  • Salzburg, Austria
  • Vienna, Austria
  • Bonheiden, Belgium
  • Brasschaat, Belgium
  • Brussels, Belgium
  • Charleroi, Belgium
  • Haine-Saint-Paul, Belgium
  • Hasselt, Belgium
  • Kortrijk, Belgium
  • Liège, Belgium
  • Liège, Belgium
  • Namur, Belgium
  • Sint-Niklaas, Belgium
  • Cachoeiro de Itapemirim, Espírito Santo, Brazil
  • Porto Alegre, Rio Grande do Sul, Brazil
  • São Paulo, São Paulo, Brazil
  • São Paulo, São Paulo, Brazil
  • São Paulo- SP, São Paulo, Brazil
  • Oshawa, Ontario, Canada
  • Toronto, Ontario, Canada
  • Toronto, Ontario, Canada
  • Zagreb, Croatia
  • + 160 more on CT.gov