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Clinical Trial Summary

This study was phase IB-II clinical trial that designed to evaluate the efficacy and safety of docetaxel + atezolizumab + Herceptin sc plus pertuzumab(TAHP) plus adjuvant therapy of atezolizumab + trastuzumab + pertuzumab(AHP) after surgery in female patients with HER2-positive early breast cancer.

Adjuvant AHP (atezolizumab + Herceptin SC + pertuzumab) will be continued for remaining 1 year.

For non-p CR patients, they are going to treat with 4 cycles of AC rather than Taxane only before AHP adjuvant therapy.


Clinical Trial Description

A, Neoadjuvant setting); 6 cycles q3weeks, intravenous(IV) administration

- Docetaxel (75mg/m2, intravenous(IV)) Day(D)1

- Atezolizumab (1200mg, IV) D1

- Herceptin sc (600mg subcutaneous(SC))D1

- Pertuzumab (840mg loading dose at Cycle 1 followed by 420mg(IV))D1

B, Adjuvant setting : 11-12 cycles q3weeks [patients with pCR]

- Atezolizumab (1200mg, IV)

- Trastuzumab (600mg, SC)

- Pertuzumab (420mg, IV) D1

[patients with non-pCR]

- Doxorubicin(60mg/m2), cyclophosphamide (600mg/m2) D1 X 4cycles 3weeks

- Atezolizumab (1200mg, IV)

- Trastuzumab (600mg, SC)

- Pertuzumab (420mg, IV) D1 X 11-12 cycles q3weeks ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03881878
Study type Interventional
Source Samsung Medical Center
Contact Yeon-hee Park, MD,PhD
Phone 2-3410-3459
Email yeonh.park@samsung.com
Status Not yet recruiting
Phase Phase 1/Phase 2
Start date May 27, 2019
Completion date October 31, 2022

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