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Phase I/II Study of SCTB41 Plus SCTB39-1with or Without Standard Therapy in Advanced Solid Tumours

An Open Multi-center Phase I/II Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy of SCTB41 in Combination With SCTB39-1With or Without Standard Therapy in Adult Patients With Advanced Malignant Solid Tumours

Status
Not yet recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07594028
Enrollment
126
Registered
2026-05-18
Start date
2026-05-30
Completion date
2029-05-30
Last updated
2026-05-18

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

Conditions

Advanced Malignant Solid Tumor

Keywords

advanced malignant solid tumor

Brief summary

This study aims to evaluate the safety, tolerability, PK characteristics, immunogenicity, and preliminary anti-tumor efficacy of SCTB41 in combination with SCTB39-1with or without standard therapy in adult patients with advanced malignant solid tumours. This study is an open label, multicentre, dose-escalation and dose-expansion Phase I/II clinical trial.

Interventions

DRUGSCTB41+SCTB39-1

SCTB41 plus SCTB39-1 of different doses, IV, every 3 weeks

Sponsors

Sinocelltech Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

1. Voluntarily sign the informed consent form (ICF); 2. Male or female, ≥ 18 years and ≤ 75 years old; 3. Survival duration more than 3 months; 4. ECOG score ≤ 1 point; 5. histologically or cytologically confirmed diagnosis of advanced malignant solid tumour; 6. At least one measurable tumor lession according to RECIST v1.1; 7. Adequate organ and bone marrow function.

Exclusion criteria

1. Has participated in another clinical study within 4 weeks prior to the first dose; 2. Has previously received other immunotherapies other than PD-(L)1 inhibitors; 3. Other malignancies diagnosed within 5 years prior to the enrollment; 4. Participants with brainstem, meningeal, spinal metastases, or compression; active central nervous system metastases; 5. Significant bleeding risk; 6. Presence of pleural effusion, peritoneal effusion, or ascites; 7. Received chemotherapy, immunotherapy, biologic therapy, or other antitumor treatments within 4 weeks before enrollment; 8. History of permanent discontinuation of immunotherapy due to immune-related toxicity or occurrence of ≥ Grade 3 irAEs; 9. Presence of any active autoimmune disease or a history of autoimmune disease with an expected recurrence; 10. History of severe allergies, severe drug allergies (including unapproved investigational drugs); 11. History of organ transplantation or stem cell transplantation; 12. Need for immunosuppressive drugs within 2 weeks prior to enrollment or anticipated during the study; 13. Pregnant or breastfeeding female.

Design outcomes

Primary

MeasureTime frameDescription
Dose-Limiting toxicity(DLT)From Day 0 up to Day 21Incidence of dose-limiting toxicities up to the Day 21 visit
Objective response rate (ORR)Up to 2 yearsThe ORR is defined as the proportion of subjects with confirmed CR or confirmed PR, based on RECIST Version 1.1.

Secondary

MeasureTime frameDescription
Disease control rate (DCR)Up to 2 yearsThe DCR is defined as the proportion of subjects with CR, PR, or SD based on RECIST Version 1.1.
Progression-free survival (PFS)Up to 2 yearsThe PFS is defined as the time from the start of treatment until the first documentation of disease progression or death due to any cause, whichever occurs first.
Overall survival (OS)Up to 2 yearsOverall survival is defined as the time from the start of treatment until death due to any cause.

Contacts

CONTACTDongyang Gao, Doctor
dongyang_gao@sinocelltech.com+86-010-58628288
PRINCIPAL_INVESTIGATORjiang

Cancer Hospital Chinese Academy of Medical Science Recruiting Beijing, China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 19, 2026