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A Study Of PF-05280014 [Trastuzumab-Pfizer] Or Herceptin® [Trastuzumab-EU] Plus Paclitaxel In HER2 Positive First Line Metastatic Breast Cancer Treatment (REFLECTIONS B327-02)

This study is ongoing, but not recruiting participants.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01989676
First Posted: November 21, 2013
Last Update Posted: October 12, 2017
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
Pfizer
  Purpose
The current study will compare the efficacy, safety, pharmacokinetics and immunogenicity of PF-05280014 in combination with paclitaxel versus trastuzumab sourced from the European Union (trastuzumab-EU) with paclitaxel in female patients with HER2-positive, metastatic breast cancer in the first-line treatment setting. The hypothesis to be tested in this study is that the efficacy (ORR) of PF-05280014 is similar to trastuzumab-EU.

Condition Intervention Phase
Metastatic Breast Cancer Biological: PF-05280014 Drug: Paclitaxel Biological: Herceptin® Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Phase 3 Randomized, Double-blind Study Of Pf-05280014 Plus Paclitaxel Versus Trastuzumab Plus Paclitaxel For The First-line Treatment Of Patients With Her2-positive Metastatic Breast Cancer

Resource links provided by NLM:


Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Percentage of Participants With Objective Response Rate (ORR) [ Time Frame: Week 25 ]
    The percent of patients within each treatment group that achieved Complete Response (CR) or Partial Response (PR) by Week 25 of the study (window ± 14 days) and confirmed on a follow-up assessment, in accordance with the RECIST 1.1.


Secondary Outcome Measures:
  • Duration of Response (DOR) [ Time Frame: up to 12 months ]
    The percent of patients The time from date of the first documentation of objective tumor response to the first documentation of PD or to death due to any cause in the absence of documented PD.

  • 1-year Progression-Free Survival (PFS) Rate [ Time Frame: up to 12 months ]
    The time from date of randomization to first progression of disease (PD) or death due to any cause in the absence of documented PD.

  • 1-year Survival Rate [ Time Frame: up to 12 months ]
    Duration from enrollment to death. For participants who are alive, overall survival will be censored at the last contact.

  • Maximum Observed Plasma Concentration (Cmax) [ Time Frame: up to 4 months ]
    Peak PF-05280014 and trastuzumab-EU concentrations at selected cycles.

  • Minimum Observed Plasma Trough Concentration (Cmin) [ Time Frame: up to 12 months ]
    Trough PF-05280014 and trastuzumab-EU concentrations at selected cycles.

  • Incidence of ADA [ Time Frame: up to 12 months ]
    The percentage of patients with positive ADA and neutralizing antibodies will be summarized for each treatment arm.


Estimated Enrollment: 690
Actual Study Start Date: February 24, 2014
Estimated Study Completion Date: February 26, 2019
Primary Completion Date: August 24, 2016 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: PF-05280014 Biological: PF-05280014
Concentrate for solution for infusion, sterile vial 150 mg. Initial dose of 4 mg/kg over 90 minutes (depending on tolerability) IV infusion, then 2 mg/kg over 30 to 90 minutes (depending on tolerability) IV infusion until disease progression. Following completion of the paclitaxel administration period and beginning no earlier than Week 33 of the study, the PF-05280014 regimen may be changed at the discretion of the investigator to every 3 weeks at a dose of 6 mg/kg infused over 30 to 90 minutes depending on tolerability.
Other Name: Trastuzumab-Pfizer
Drug: Paclitaxel
A nonaqueous solution intended for dilution with a suitable parenteral fluid prior to intravenous infusion. Paclitaxel is available in 30 mg (5 mL), 100 mg (16.7 mL), and 300 mg (50 mL) multidose vials. Each mL of sterile nonpyrogenic solution contains 6 mg paclitaxel. The starting dose of paclitaxel will be 80 mg/m^2 by IV infusion over 60 minutes (duration of infusion may be modified according to local standard of care, if applicable). Provision is made for dose reduction to 70 mg/m^2 and then 60 mg/m^2 as needed. In the absence of disease progression in the judgment of the investigator or prohibitive toxicity, patients will receive treatment with paclitaxel for at least 6 cycles or until maximal benefit of response is obtained, in the judgment of the investigator.
Active Comparator: Herceptin® Biological: Herceptin®
Concentrate for solution for infusion, sterile vial 150 mg. Initial dose of 4 mg/kg over 90 minutes (depending on tolerability) IV infusion, then 2 mg/kg over 30 to 90 minutes (depending on tolerability) IV infusion weekly until disease progression. Following completion of the paclitaxel administration period and beginning no earlier than Week 33 of the study, the Herceptin® regimen may be changed at the discretion of the investigator to every 3 weeks at a dose of 6 mg/kg infused over 30 to 90 minutes depending on tolerability.
Other Name: Trastuzumab (EU)
Drug: Paclitaxel
A nonaqueous solution intended for dilution with a suitable parenteral fluid prior to intravenous infusion. Paclitaxel is available in 30 mg (5 mL), 100 mg (16.7 mL), and 300 mg (50 mL) multidose vials. Each mL of sterile nonpyrogenic solution contains 6 mg paclitaxel. The starting dose of paclitaxel will be 80 mg/m^2 by IV infusion over 60 minutes (duration of infusion may be modified according to local standard of care, if applicable). Provision is made for dose reduction to 70 mg/m^2 and then 60 mg/m^2 as needed. In the absence of disease progression in the judgment of the investigator or prohibitive toxicity, patients will receive treatment with paclitaxel for at least 6 cycles or until maximal benefit of response is obtained, in the judgment of the investigator.

  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Histologically confirmed diagnosis of breast cancer.
  • Presence of metastatic disease.
  • Documentation of HER2 gene amplification or overexpression.
  • Available tumor tissue for central review of HER2 status.
  • At least 1 measurable lesion as defined by RECIST 1.1.
  • Eastern Cooperative Oncology Group status of 0 to 2.
  • Left ventricular ejection fraction within institutional range of normal, measured by either two dimensional echocardiogram or multigated acquisition scan.

Exclusion Criteria:

  • Relapse within 1 year of last dose of previous adjuvant (including neoadjuvant) treatment (except endocrine therapy) and within 1 year before randomization.
  • Prior systemic therapy for metastatic disease (except endocrine therapy).
  • Prior cumulative dose of doxorubicin of >400 mg/m2, epirubicin dose >800 mg/m^2, or the equivalent dose for other anthracyclines or derivatives (eg, 72 mg/m^2 of mitoxantrone). If the patient has received more than one anthracycline, then the cumulative dose must not exceed the equivalent of 400 mg/m^2 of doxorubicin.
  • Inflammatory breast cancer.
  • Active uncontrolled or symptomatic central nervous system metastases.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01989676


  Show 221 Study Locations
Sponsors and Collaborators
Pfizer
Investigators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Additional Information:
Responsible Party: Pfizer
ClinicalTrials.gov Identifier: NCT01989676     History of Changes
Other Study ID Numbers: B3271002
REFLECTIONS B327-02
2013-001352-34 ( EudraCT Number )
B3271002 ( Other Identifier: Alias Study Number )
First Submitted: October 28, 2013
First Posted: November 21, 2013
Last Update Posted: October 12, 2017
Last Verified: July 2017

Keywords provided by Pfizer:
Phase 3
trastuzumab
Breast Neoplasms

Additional relevant MeSH terms:
Breast Neoplasms
Neoplasms by Site
Neoplasms
Breast Diseases
Skin Diseases
Paclitaxel
Albumin-Bound Paclitaxel
Trastuzumab
Antineoplastic Agents, Phytogenic
Antineoplastic Agents
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action