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A Phase Ib/II Study of SHR-A1811 Injection in Breast Cancer

A Phase Ib/II Multicenter, Open-Label Clinical Trial of SHR-A1811 Injection in Combination With Pyrotinib or Pertuzumab or Adebrelimab or Paclitaxel for Injection (Albumin Bound) in Breast Cancer

Status
UNKNOWN
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05353361
Enrollment
402
Registered
2022-04-29
Start date
2022-05-23
Completion date
2025-12-31
Last updated
2023-09-15

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

Conditions

Breast Cancer

Brief summary

To evaluate the safety, tolerability and efficacy of SHR-A1811 in combination with pyrotinib or pertuzumab or adebrelimab or albumin-bound paclitaxel in patients with breast cancer.

Interventions

DRUGSHR-A1811:Pyrotinib

SHR-A1811:Lyophilized powder injection, 100mg / bottle, intravenous drip Pyrotinib:Tablet, 160mg / tablet, 80mg / tablet, oral

DRUGSHR-A1811;Pertuzumab

SHR-A1811:Lyophilized powder injection, 100mg / bottle, intravenous drip Pertuzumab:Injection, 420 Mg (14 ml) / bottle, intravenous drip

DRUGSHR-A1811;Adebrelimab

SHR-A1811:Lyophilized powder injection, 100mg / bottle, intravenous drip Adebrelimab:Injection, 12ml: 0.6g/bottle, intravenous drip

DRUGSHR-A1811;Albumin paclitaxel

SHR-A1811:Lyophilized powder injection, 100mg / bottle, intravenous drip Albumin paclitaxel:Injection, 100mg / box, intravenous drip

Sponsors

Jiangsu HengRui Medicine Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

This study is a multicenter, open-label, dose exploration and efficacy expansion phase Ib / II study. The first stage is the dose exploration phase, which uses the 3 + 3 escalation design; The second stage is the curative effect expansion phase.

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

1. Women aged 18 to 75 (inclusive) 2. Breast cancer confirmed by histology or cytology. 3. ECOG score is 0 or 1 4. An expected survival of ≥ 12 weeks 5. At least one measurable lesion according to RECIST v1.1 criteria 6. Have adequate renal and hepatic function 7. Patients voluntarily joined the study and signed informed consent

Exclusion criteria

1. Have other malignancies within the past 5 years 2. Active central nervous system metastasis without surgery or radiotherapy 3. Presence with uncontrollable third space effusion 4. Have undergone other anti-tumor treatment within 4 weeks before the first dose 5. Immunosuppressant or systemic hormone therapy was used within 2 weeks prior to the first dose 6. Any active autoimmune disease or a history of autoimmune disease 7. A history of immune deficiency 8. Clinically significant cardiovascular disorders 9. Clinically significant history of lung disease 10. The toxicity from previous anti-tumor treatment has not recovered to ≤ grade I 11. Known hereditary or acquired bleeding tendency 12. Active hepatitis and liver cirrhosis 13. Presence of other serious physical or mental diseases or laboratory abnormalities

Design outcomes

Primary

MeasureTime frame
DLT(Phase I (dose exploration phase) )21 days after the first administration of each subject
AE(Phase I (dose exploration phase) )from Day1 to 40 or 90 days after last dose
Incidence and severity of serious adverse events (SAE)(Phase I (dose exploration phase) )from Day1 to 40 or 90 days after last dose
Objective response rate(Phase II (efficacy expansion phase))Two years after the last subject was enrolled in the group

Secondary

MeasureTime frame
PK parameter: Cmin of Pyrotinib(Phase I secondary endpoint)through study completion, an average of 2 years
PK parameter: C4h of Pyrotinib(Phase I secondary endpoint)through study completion, an average of 2 years
PK parameter: Cmin of Adebrelimab(Phase I secondary endpoint)through study completion, an average of 2 years
Immunogenicity of SHR-A1811(Phase I secondary endpoint)through study completion, an average of 2 years
Immunogenicity of Adebrelimab(Phase I secondary endpoint)through study completion, an average of 2 years
Objective Response Rate(Phase I secondary endpoint)from first dose to disease progression or death, whichever comes first, up to 3 years
Duration of response(Phase I secondary endpoint)from first dose to disease progression or death, whichever comes first, up to 3 years
Progression Free Survival(Phase I secondary endpoint)from first dose to disease progression or death, whichever comes first, up to 3 years
Immunogenicity of Adebrelimab(Phase II secondary study endpoint)through study completion, an average of 2 years
Incidence and severity of serious adverse events (SAE)(Phase II secondary study endpoint)from Day1 to 40 or 90 days after last dose
PK parameter: Cmin, Cmax, and AUC0-t of SHR-A1811(Phase II secondary study endpoint)through study completion, an average of 2 years
PK parameter: Cmin, C4h of Pyrotinib:(Phase II secondary study endpoint)through study completion, an average of 2 years
PK parameter: Cmin of Adebrelimab(Phase II secondary study endpoint)through study completion, an average of 2 years
Immunogenicity of SHR-A1811(Phase II secondary study endpoint)through study completion, an average of 2 years
Duration of response(Phase II secondary study endpoint)from first dose to disease progression or death, whichever comes first, up to 3 years
Progression Free Survival(Phase II secondary study endpoint)from first dose to disease progression, or death, whichever comes first, up to 3 years
Event-Free Survival Rate(Phase II secondary study endpoint)from first dose to disease progression, disease recurrence, or death, whichever comes first, up to 3 years
AE(Phase II secondary study endpoint)from Day1 to 40 or 90 days after last dose
PK parameter: Cmin of SHR-A1811(Phase I secondary endpoint)through study completion, an average of 2 years
PK parameter: Cmax of SHR-A1811(Phase I secondary endpoint)through study completion, an average of 2 years
PK parameter: AUC0-t of SHR-A1811(Phase I secondary endpoint)through study completion, an average of 2 years

Countries

China

Contacts

Primary ContactXiaoxue Pi
Xiaoxue.pi@hengrui.com0518-82342973

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 9, 2026