OncoMatch

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 (Jun 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 Jun 2026Location: China

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

Check if I qualify

Extracted eligibility criteria

Treatments studied

Other

Recombinant Humanized Bispecific Monoclonal Antibody MBS301

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.

Frequently asked questions

Is NCT03842085 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior anthracycline disqualifies patients from enrollment.

Does this trial require ERBB2?

Yes, ERBB2 overexpression is a required biomarker for enrollment.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

Check if I qualify