CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 346 enrolled
Drug / intervention
Fixed Dose Combination of Pertuzumab and Trastuzumab for Subcutaneous Use (PH FDC SC) +6 moredrug
Likely dose
Fixed-dose combination of pertuzumab 1200 mg and trastuzumab 600 mg subcutaneously (loading dose); maintenance dose not fully specified in provided textAI-extracted
Key inclusion· 7
  • Female and male participants with stage II-IIIC early or locally advanced/inflammatory HER2+ breast cancer
  • Primary tumor >2 cm in diameter, or node-positive disease
  • ECOG performance status 0-1
  • LVEF ≥55% by echocardiogram or MUGA
Key exclusion· 12
  • Stage IV (metastatic) breast cancer
  • Previous systemic therapy for treatment or prevention of breast cancer or previous chest irradiation for cancer treatment
  • Previous excisional biopsy of primary tumor and/or axillary lymph nodes
  • Axillary lymph node dissection (ALND) or sentinel lymph node biopsy (SLNB) prior to neoadjuvant therapy

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05415215
NCT05415215Phase 3Completed

A Phase IIIB, Multinational, Multicenter, Randomized, Open-Label Study to Evaluate Patient Preference for Home Administration of Fixed-Dose Combination of Pertuzumab and Trastuzumab for Subcutaneous Administration in Participants With Early or Locally Advanced/Inflammatory HER2-Positive Breast Cancer

Hoffmann-La Roche·interventional·Posted Jun 13, 2022·Updated Feb 10, 2026

In Brief

A Phase 3 clinical trial evaluating Fixed Dose Combination of Pertuzumab and Trastuzumab for Subcutaneous Use (PH FDC SC), Pertuzumab IV, and 5 other interventions for Early Breast Cancer and 2 related conditions. Completed, enrolled 346 participants across 45 sites in 17 countries.

Detailed Summary

This is a Phase IIIb, multinational, multicenter, randomized, open-label study to evaluate patient preference of the fixed-dose combination of pertuzumab and trastuzumab for subcutaneous use (PH FDC SC) administration in the home setting compared with the hospital setting during the cross-over period of adjuvant treatment in participants with early or locally advanced/inflammatory human epidermal growth factor receptor 2-positive (HER2+) breast cancer.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesArgentina, Bosnia and Herzegovina, Brazil, Bulgaria, Canada, Chile, Costa Rica, Croatia, India, Kenya, Mexico, Peru, Singapore, South Africa, South Korea, Spain, Turkey (Türkiye)
Collaborators--

Timeline

Phase 3CompletedFinished
2023202420252026
First PostedJun 13, 2022
Enrollment StartJul 5, 2022
Primary CompletionNov 20, 2024
Study CompletionNov 7, 2025
TodayJul 2, 2026
Enrollment to primary: 2.4 yearsPosted 4.1 years ago

Interventions

Fixed Dose Combination of Pertuzumab and Trastuzumab for Subcutaneous Use (PH FDC SC)drug

PH FDC SC is administered subcutaneously (SC) as a fixed non-weight-based dose. A loading dose of 1200 milligram (mg) pertuzumab, 600 mg trastuzumab, and 30,000 units of recombinant human PH20 hyaluronidase (rHuPH20) is given in the first cycle (1 cycle is 21 days). In subsequent cycles, maintenance doses of 600 mg pertuzumab, 600 mg trastuzumab, and 20,000 units rHuPH20 are administered once every 3 weeks (Q3W).

Pertuzumab IVdrug

Pertuzumab is given as a fixed dose of 840 mg intravenous (IV) loading dose and then 420 mg IV for subsequent maintenance doses once every 3 weeks.

Trastuzumab IVdrug

Trastuzumab is given as an 8 milligram per kilogram (mg/kg) intravenous (IV) loading dose and then 6 mg/kg IV for subsequent maintenance doses once every 3 weeks.

Trastuzumab Emtansinedrug

Trastuzumab emtansine will be given at a dose of 3.6 mg/kg by intravenous (IV) infusion, once every 3 weeks.

Investigator's Choice of Chemotherapydrug

Option 1: Docetaxel and carboplatin once every 3 weeks for 6 cycles; Option 2: Doxorubicin plus cyclophosphamide once every 3 weeks for 4 cycles, followed by a taxane (docetaxel once every 3 weeks for 4 cycles or paclitaxel once every week for 12 cycles); Option 3: Dose-dense doxorubicin plus cyclophosphamide (ddAC) once every 2 weeks for 4 cycles, followed by a taxane (docetaxel once every 3 weeks for 4 cycles or paclitaxel once every week for 12 cycles).

Surgeryprocedure

After completing their neoadjuvant therapy, participants will undergo surgical resection for early or locally advanced HER2+ breast cancer (if eligible for surgery). Participants may undergo breast-conserving surgery or mastectomy according to routine clinical practice. The surgery cannot be performed ≤2 weeks from the last systemic neoadjuvant therapy and must be performed ≤6 weeks after the last systemic neoadjuvant therapy.

Radiotherapyradiation

After surgery, radiotherapy is to be given as clinically indicated and as per local practice or institutional standards. The selected radiotherapy regimen should be initiated within 4 weeks after surgery.