The trial is taking place at:

Prisma Health | Upstate Greenville Memorial Cardiac Research

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Hengrui Medicine

Status and phase

Phase 2
Phase 1


Advanced Solid Tumors


Drug: SHR-A1904

Study type


Funder types




Details and patient eligibility


The study (dose escalation/expansion) is being conducted to assess the safety and tolerability of SHR-A1904 in subjects with advanced solid tumors, and to determine maximum tolerated dose (MTD) and/or recommended phase II dose (RP2D), to assess preliminary efficacy of SHR-A1904, pharmacokinetic (PK) profile and immunogenicity of SHR-A1904 in subjects with advanced solid tumors.


83 estimated patients




18+ years old


No Healthy Volunteers

Inclusion criteria

  1. Evidence of a personally signed and dated ICF indicating that the subject has been informed of all pertinent aspects of the study.
  2. Age >18.
  3. ECOG performance status of 0-1.
  4. Life expectancy of ≥3 months.
  5. Subjects with pathologically diagnosed advanced relapsed or refractory solid tumors, either gastric and gastroesophageal junction (GEJ) cancer, or pancreatic cancer, who are intolerable to SoC, have progressed through all available treatment options, or for whom there is no efficacious treatment available. Subjects must have pathological classification (e.g., adenocarcinoma etc.) documented.
  6. Positive expression of Claudin 18.2 (>=50% of cells with 2+ or 3+ expression, either from fresh or archival tissue) is required prior to enrollment and participation in this study. Positivity for Claudin 18.2 is defined as tumor cells showing partial or complete membrane staining. The percentage of tumor cells at four different staining intensities will be estimated: 0 (no staining), 1+ (weak), 2+ (moderate), and 3+ (strong). The sum of all 4 percentages should equal 100%. The H-score is determined according to the H-Score formula: [1 x Percentage of tumor cells stained at 1+] + [2 x Percentage of tumor cells stained at 2+] + [3 x Percentage of tumor cells stained at 3+] = H-Score (range 0 or 1-300). Actual figure of Claudin 18.2 expression tested by IHC should be documented. Subjects must have pathological classification (e.g., adenocarcinoma) documented.
  7. Has at least one measurable lesion as defined by RECIST v1.1.
  8. Has adequate organ and bone marrow function within 7 days prior to administration of study treatment defined below: with no blood transfusion or hematopoietic growth factor support within 2 weeks prior to screening): • Absolute neutrophil count (ANC) ≥1.5 × 109 /L • Platelet count (PLT) ≥100 × 109 /L • Hemoglobin (Hb) ≥90 g/L • TBIL ≤1.5 × ULN • ALT and AST ≤3 × ULN (≤5 × ULN for liver metastasis) • Creatinine clearance ≥60 mL/min/1.73 m2 based on Cockcroft-Gault equation (Appendix 5) • Activated partial thromboplastin time (APTT) and prothrombin time (PT) ≤1.5 × ULN. • Fridericia-corrected QT interval (QTcF) ≤450 msec. If ECG demonstrates QTc >450 msec at screening, an ECG re-examination is allowed, and subjects will be eligible if it demonstrates QTc ≤ 450 msec. • LVEF ≥50%.
  9. Women of childbearing potential (WOCBP) must have a negative serum pregnancy test within 3 days before the first dose. WOCBP and male subjects whose partners are WOCBP must agree to use effective contraception method during the study period and within 5 half-lives of SHR-A1904 + 6 months after the last dose of SHR-A1904. (see Appendix 2 for details).

Exclusion criteria

  1. Plan to receive any other anti-tumor treatments during the treatment period of this study.
  2. Subjects participated in a prior investigational study or received anticancer treatment, and have not recovered from side effects of such therapy.
  3. Underwent major surgical operation within 4 weeks before the first dose of this IP.
  4. Received treatments with strong CYP3A4, CYP2D6, P-gp, or BCRP inhibitors or inducers within < 5 half-lives of the drug before the first dose of the study.
  5. Previously received total gastrectomy (only for subjects of the dose-escalation part.
  6. Adverse events caused by previous anti-tumor treatments have not recovered to Grade ≤1 according to NCI-CTCAE 5.0 (except for alopecia; some tolerable chronic Grade 2 toxicities may also be excluded as judged by the investigator after consultation with the sponsor).
  7. Known to be allergic to any component of SHR-A1904 product (antibody conjugated toxin, antibody), or allergic to humanized monoclonal antibody products.
  8. Subjects with known brain metastases, unless the participant is > 1 month from definitive therapy (surgery or radiotherapy), has no evidence of tumor growth on an imaging study and is clinically stable with respect to the tumor at the start of study intervention.
  9. Subjects with a second primary cancer, except adequately treated non-melanoma skin cancer, curatively treated in situ cancer of the cervix, and other solid tumors curatively treated with no evidence of disease for ≥3 years prior to the first dose of the study.
  10. Class III-IV cardiac insufficiency as per the New York Heart Association (NYHA) criteria; arrhythmia requiring long-term drug control; unstable angina or acute myocardial infarction within 6 months before the first dose of the study.
  11. Subjects with a history of clinically significant lung diseases (e.g., interstitial pneumonia, radiation pneumonia, and pulmonary fibrosis) or who are suspected to have these diseases by chest imaging at screening period.
  12. Serious infections that require use of intravenous antibiotics, antiviral drugs, or antifungal drugs during the study period.
  13. Hepatitis B (HBV, chronic or acute; defined as having a known positive hepatitis B surface antigen [HbsAg] test at the time of screening) or hepatitis C (HCV) infection requiring treatment
  14. Has a history of immunodeficiency (including positive results of HIV test in screening, and other acquired and congenital immunodeficiencies) or organ transplant.
  15. Presence of accompanying diseases (such as poorly controlled hypertension, serious diabetes mellitus, thyroid disorder, psychosis, etc.) that may pose serious risks to the safety of the subject or may affect the subject's ability to complete the study, or any other situation as judged by the investigator.

Trial design

Primary purpose




Interventional model

Single Group Assignment


None (Open label)

83 participants in 1 patient group

Single Arm
Experimental group
Single Arm : SHR-A1904
Drug: SHR-A1904

Trial contacts and locations



Central trial contact

Andrea Vondraskova

Data sourced from

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