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Biomarker analysis of efficacy of PD-1 antibody combined with anti-vascular therapy for colorectal cancer

The correlation between neutrophil/lymphocyte ratio with survival in colorectal cancer patients treated with anti-PD-1 and VEGF inhibitors

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300067767
Enrollment
Unknown
Registered
2023-01-20
Start date
2023-01-20
Completion date
Unknown
Last updated
2023-05-15

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

Conditions

Colonrectal Cancer

Interventions

Group of colonrectal cancer:None

Sponsors

Shanghai Tenth People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Aged 18-80 years; 2. Diagnosed with colorectal adenocarcinoma by histology; 3. Patients were treated with PD-1 antibody plus anti-vascular inhibitor during or after the third line treatment; 4. Patients must have an evaluable lesion, comply with RECIST 1.1 measurable target lesion regulations; 5. No myelosuppression in blood routine examination 1-3 days before treatment with PD-1 antibody plus anti-vascular inhibitor; 6. Before treatment with PD-1 antibody plus anti-vascular inhibitor, no PEG- G-CSF was used after the last chemotherapy; 7. PFS time and OS time can be evaluated and calculated after treatment with PD-1 antibody plus anti-vascular inhibitor.

Exclusion criteria

Exclusion criteria: 1. After treatment with PD-1 antibody plus anti-vascular inhibitor, the drug was stopped due to side effects; 2. Before treatment with PD-1 antibody plus anti-vascular inhibitor, PEG- G-CSF was used after the last chemotherapy; 3. Myelosuppression (leukopenia) was found in blood routine examination 1-3 days before treatment with PD-1 antibody plus anti-vascular inhibitor.

Design outcomes

Primary

MeasureTime frame
neutrophil-lymphocyte ratio;

Secondary

MeasureTime frame
Objective Response Rate;Progression-free survival time;Overall survival;

Countries

China

Contacts

Public ContactQing Xu

Shanghai Tenth People's Hospital

xuqingmd@aliyun.com+86 13761325567

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 9, 2026