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A Study of SHR-A1811 in Subjects With Advanced Malignant Solid Tumors

A Phase 1 Multi-Country, Multi-Center, Open-Label Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Efficacy of SHR-A1811 in HER2 Expressing or Mutated Advanced Malignant Solid Tumor Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04446260
Enrollment
396
Registered
2020-06-24
Start date
2020-09-07
Completion date
2025-06-04
Last updated
2025-09-15

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

Conditions

Advanced Solid Tumors

Brief summary

This is an open-label, two-part study to evaluate the safety, tolerability, pharmacokinetics and immunogenicity of SHR-A1811 and preliminary anti-tumor efficacy in HER2 expressing or mutated advanced malignant solid tumor subjects.

Interventions

DRUGSHR-A1811

be administered via intravenous (IV) infusion

Sponsors

Atridia Pty Ltd.
CollaboratorINDUSTRY
Jiangsu HengRui Medicine Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Advanced/unresectable or metastatic solid tumor with HER2 expression or mutation that is refractory to or intolerable with standard treatment, or for which no standard treatment is available * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 * LVEF ≥ 50% by either ECHO or MUGA * Has adequate renal and hepatic function * Female subjects agree not to be pregnant or lactating from beginning of the study screening until 6 months after receiving the last treatment

Exclusion criteria

* History of clinically significant lung diseases (e.g., interstitial pneumonia, pneumonitis, pulmonary fibrosis, and severe radiation pneumonitis) or suspected to have these diseases by imaging at screening period * Known hereditary or acquired bleeding and thrombotic tendency

Design outcomes

Primary

MeasureTime frameDescription
Incidence and severity of adverse events (AEs)From Day1 to 90 days after last doseFrequency and seriousness of treatment emergent adverse events (TEAEs)

Secondary

MeasureTime frameDescription
Tumor response using RECIST 1.1From first dose to disease progression or death, whichever comes first, up to 30 monthsRECIST=Response Evaluation Criteria in Solid Tumors Assessment of tumor response until disease progression or death to evaluate the efficacy of SHR-A1811 up to 30 months
PK parameter: Tmax of SHR-A1811Through study completion, an average of 1 yearTime to maximal concentration (Tmax) of SHR-A1811
PK parameter: Cmax of SHR-A1811Through study completion, an average of 1 yearMaximal concentration (Cmax) of SHR-A1811
PK parameter: AUC0-t of SHR-A1811Through study completion, an average of 1 yearAUC computed from time zero to the time of the last quantifiable concentration (AUC0-t) of SHR-A1811
Immunogenicity of SHR-A1811Through study completion, an average of 1 yearIncluding anti-drug antibody and/or neutralizing antibody

Countries

Australia, China, South Korea, Taiwan, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 21, 2026