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to Evaluate Efficacy and Safety of HLX10 in Combination With Chemotherapy Versus Placebo in Combination With Chemotherapy as Neoadjuvant Therapy and HLX10 Versus Placebo as Adjuvant Therapy in Patients With Triple Negative Breast Cancer (TNBC)

A Randomized, Double-Blind, International Multi-Centre, Phase III Clinical Study to Evaluate Efficacy and Safety of HLX10 (Recombinant Humanized Anti-PD-1 Monoclonal Antibody Injection) in Combination With Chemotherapy Versus Placebo in Combination With Chemotherapy as Neoadjuvant Therapy and HLX10 Versus Placebo as Adjuvant Therapy in Patients With Triple Negative Breast Cancer (TNBC)

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04301739
Enrollment
522
Registered
2020-03-10
Start date
2020-04-17
Completion date
2027-04-09
Last updated
2020-03-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Triple Negative Breast Cancer

Keywords

Triple Negative Breast Cancer, Previously Untreated, Potentially Resectable, Without Distant Metastasis

Brief summary

This study is a randomized, double-Blind,international multi-Centre, phase III clinical study to evaluate efficacy and safety of HLX10 in combination with chemotherapy versus placebo in combination with chemotherapy as neoadjuvant therapy and HLX10 versus placebo as adjuvant therapy in previously untreated and potentially resectable patients with TNBC and without distant metastasis. Eligible subjects in this study will be randomized to Arm A or Arm B at 2:1 ratio as follows: Arm A (HLX10 arm): HLX10 + chemotherapy (nab-paclitaxel carboplatin) (4 cycles) → HLX10 + chemotherapy (doxorubicin or epirubicin cyclophosphamide) (4 cycles) → surgery → HLX10 (9 cycles) Arm B (placebo arm): Placebo + chemotherapy (nab-paclitaxel carboplatin) (4 cycles) → Placebo + chemotherapy (doxorubicin or epirubicin cyclophosphamide) (4 cycles) → surgery → Placebo (9 cycles) The three stratification factors for randomization include: lymph node metastasis (yes or no), size of primary tumor lesion (T1/T2 or T3/T4), asian population (yes or no).

Interventions

DRUGHLX10

HLX10 is an innovative monoclonal antibody targeting PD-1,developed by Shanghai Henlius Biotech, Inc.

DRUGnab-paclitaxel, carboplatin, doxorubicin or epirubicin and cyclophosphamide

chemotherapeutics

DRUGPlacebo

Placebo

Sponsors

Shanghai Henlius Biotech
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

1. Subjects histologically diagnosed with previously untreated TNBC (lack of human epidermal growth factor receptor-2 \[HER2\], estrogen receptor \[ER\], progesterone receptor expression as determined by the study site). 2. Subjects who are judged as one of the following by the American Joint Committee on Cancer (AJCC) within 4 weeks prior to randomisation: 1. T1c, N1-N2, M0 2. T2, N0-N2, M0 3. T3, N0-N2, M0 4. T4a-c, N0-N2, M0. 3. Major organs are functioning well 4. Participant must keep contraception

Exclusion criteria

1. Subjects with any other active malignancy within 5 years prior to signing the informed consent form or at the same time. Localised tumours that have been cured such as basal cell carcinoma, squamous-cell skin cancer, superficial bladder carcinoma, and cervical cancer in situ are acceptable. 2. Subjects who have received chemotherapy, targeted therapy, or radiotherapy within 12 months prior to the initial dose of the investigational product. 3. Subjects with a history of severe allergy to any monoclonal antibody or investigational product and its excipient. 4. Pregnant or lactating women. 5. Subjects with a known history of psychotropics abuse or drug abuse 6. Subjects presenting other factors not suitable for participation as judged by the investigator.

Design outcomes

Primary

MeasureTime frameDescription
tumor assessmentup till 5 years after the enrollPathological complete response (pCR) rate (ypT0/Tis, ypN0) (assessed by central pathology laboratory based on American Joint Committee on Cancer (AJCC) staging system)

Contacts

Primary ContactTieshuang Chi, Master
olivia_chi@henlius.com.cn+8618621117100
Backup ContactWeizhen Liu, Bachelor
weizhen_liu@henlius.com.cn+8618801610708

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026