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OncoMatch/Clinical Trials/NCT03842085

Phase I Clinical Study of MBS301 in Treatment of HER2 Positive Recurrent or Metastatic Malignant Solid Tumor

Is NCT03842085 recruiting? Yes, currently enrolling (May 2026). This Phase 1 trial studies Recombinant Humanized Bispecific Monoclonal Antibody MBS301 for her2-positive recurrent or metastatic malignant solid tumor.

Phase 1RecruitingBeijing Mabworks Biotech Co., Ltd.NCT03842085Data as of May 2026

Treatment: Recombinant Humanized Bispecific Monoclonal Antibody MBS301This is a phase I study evaluating the safety and pharmacokinetics of MBS301 after intravenous administration in patients with HER-2 positive recurrent or metastatic malignant solid tumors

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Extracted eligibility criteria

Cancer type

Tumor Agnostic

Biomarker criteria

Required: HER2 (ERBB2) overexpression

Disease stage

Metastatic disease required

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

Cannot have received: anthracycline (adriamycin)

Patient has prior treated with anthracyclines which accumulated dose is equivalent to adriamycin≥360mg/m2

Lab requirements

Blood counts

ANC ≥ 1.5×10^9/L; platelets ≥ 100×10^9/L; hemoglobin ≥ 9 g/dL

Kidney function

Serum creatinine ≤ 1.5 × ULN or estimated creatinine clearance ≥ 50 mL/min (Cockcroft-Gault)

Liver function

Total bilirubin ≤ 1.5 × ULN; Patients without hepatic metastasis, ALT or AST ≤ 1.5 × ULN; Patients with hepatic metastasis, ALT or AST ≤ 3 × ULN

ANC is less than1.5×109/L and/or blood platelets less than 100 ×109/L and/or hemoglobin less than 9g/dL. Total bilirubin is more than 1.5 ×ULN. Patients without hepatic metastasis, ALT or AST is more than 1.5 ×ULN; Patients with hepatic metastasis, ALT or AST is more than 3 ×ULN. Serum creatinine is more than 1.5 × ULN or estimated creatinine clearance <50 mL/min(according to Cockcroft-Gault).

Structured fields extracted by AI. May contain errors — verify against the official protocol.

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