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Analysis of Efficacy and Safety of PD-1 Inhibitor Combined with Reduced-Dose Chemotherapy in Neoadjuvant Therapy for Locally Advanced Oral Squamous Cell Carcinoma: A Prospective Cohort Study

Analysis of Efficacy and Safety of PD-1 Inhibitor Combined with Reduced-Dose Chemotherapy in Neoadjuvant Therapy for Locally Advanced Oral Squamous Cell Carcinoma: A Prospective Cohort Study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500108284
Enrollment
Unknown
Registered
2025-08-27
Start date
2025-08-15
Completion date
Unknown
Last updated
2025-09-01

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

Conditions

Locally Advanced Oral Squamous Cell Carcinoma

Interventions

Reduced-dose chemotherapy group:none
Standard dosage chemotherapy group:none

Sponsors

Guangdong Provincial People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. Locally advanced (stage III-IVB) oral squamous cell carcinoma (OSCC) histologically or cytologically confirmed, including metastatic disease that has not received prior systemic therapy or recurrent disease not curable by local therapy, according to the 8th edition of the UICC/AJCC TNM staging system for head and neck cancer. 2. No distant metastases. 3. At least one measurable lesion must be present per RECIST 1.1 criteria 4. Male or female patients aged >=18 years. 5. Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0 or 1. 6. Complete imaging and pathological data must be available. 7. Informed consent must be obtained.

Exclusion criteria

Exclusion criteria: 1. Concurrent malignant tumors in other organs. 2. Patients with distant metastases. 3. Pregnant or lactating patients. 4. Patients concurrently participating in other clinical studies. 5. Critically ill patients unable to complete study assessments. 6. Patients with communication barriers due to conditions such as confusion, aphasia, or intellectual disability, which impair normal responses. 7. Patients known to be allergic to potentially used chemotherapeutic agents. 8. Patients with evidence of other diseases, neurological or metabolic dysfunction, abnormal physical examination findings, or abnormal laboratory test results, suspected to be contraindicated for the study drug or posing a high risk of treatment-related complications. 9. Patients with a history of organ transplantation. 10. Patients with a history of autoimmune diseases or other conditions requiring long-term systemic use of corticosteroid medications or immunosuppressive therapy. 11. Other factors that, in the investigator’s judgment, may deem the subject unsuitable or affect their participation in or completion of the study.

Design outcomes

Primary

MeasureTime frame
Objective Response Rate, ORR;

Secondary

MeasureTime frame
Disease Control Rate, DCR;Pathological Complete Response, pCR;Progression-free survival, PFS;overall survival, OS;Security Index;Evaluation of Quality of Life;

Countries

China

Contacts

Public ContactZhu Lijun

Guangdong Provincial People's Hospital

zhulijun@gdph.org.cn+86 137 1046 9063

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026