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NCT07393477

PHASE2

Neoadjuvant Becotatug Vedotin Plus Pucotenlimab and Cisplatin for Locally Advanced Head and Neck Squamous Cell Carcinoma

Sponsor: Sir Run Run Shaw Hospital

View on ClinicalTrials.gov

Summary

This clinical trial aims to evaluate the efficacy and safety of Becotatug Vedotin (EGFR-Targeting ADC) in combination with Pucotenlimab and Cisplatin as neoadjuvant therapy for patients with locally advanced head and neck squamous cell carcinoma (LA-HNSCC). The primary objective is to assess whether this combination therapy improves the pathological complete response (pCR) rate and to evaluate its safety and tolerability. The secondary objective includes evaluating 1-year disease-free survival (DFS) rates and major pathological response (MPR) rates in patients treated with this combination therapy. Main Questions This Trial Aims to Answer: 1. Does the combination of Becotatug Vedotin, Pucotenlimab, and Cisplatin lead to higher rates of pathological complete response (pCR) and major pathological response (MPR) in patients with locally advanced head and neck squamous cell carcinoma (LA-HNSCC)? 2. What are the safety and tolerability profiles of the combination therapy? 3. Does the treatment improve disease-free survival at 1 year after treatment? What Participants Will Do: Treatment: Participants will receive Becotatug Vedotin (EGFR-Targeting ADC), Pucotenlimab, and Cisplatin as a combination therapy in the neoadjuvant setting. Treatment Duration: Treatment will last approximately 6-12 weeks, depending on the patient's individual regimen. Follow-up Visits: Participants will attend routine check-ups for safety evaluations and pathological assessments approximately 7 weeks after completing neoadjuvant therapy. Outcomes: Researchers will assess pathological complete response (pCR), major pathological response (MPR), and 1-year disease-free survival (DFS) following treatment.

Official title: Efficacy and Safety Profile of Becotatug Vedotin(EGFR-Targeting ADC) in Combination With Pucotenlimab and Cisplatin as Neoadjuvant Therapy for Patients With Locally Advanced Head and Neck Squamous Cell Carcinoma (LA-HNSCC)

Key Details

Gender

All

Age Range

18 Years - 70 Years

Study Type

INTERVENTIONAL

Enrollment

Start Date

2026-02

Completion Date

2029-05

Last Updated

2026-02-06

Healthy Volunteers

Conditions

Head and Neck Squamous Cell Carcinoma Head and Neck Squamous Cell Carcinoma HNSCC

Interventions

COMBINATION_PRODUCT

Combination Therapy with Becotatug Vedotin, Pucotenlimab, and Cisplatin

Neoadjuvant therapy: Becotatug Vedotin 2.0mg/kg + Pucotenlimab 200mg + Cisplatin 75mg/m2, all administered via intravenous infusion on Day 1 (d1), with a 21-day treatment cycle for a total of 2-4 cycles (the exact number of cycles is determined by the investigator based on imaging findings, laryngoscopy results, etc.)

Inclusion Criteria: 1. Aged 18-70 years (inclusive). 2. Histopathologically confirmed Stage III/IVA head and neck squamous cell carcinoma (HNSCC) of the oropharynx, oral cavity, hypopharynx, or larynx (per 8th edition AJCC Cancer Staging Manual). 3. Measurable primary lesions per RECIST v1.1. 4. Treatment-naive (no prior anti-tumor therapy for current disease). 5. ECOG performance status 0-1. 6. Eligible for elective standard surgery plus adjuvant chemoradiotherapy/radiotherapy (investigator-assessed). 7. No active autoimmune diseases. 8. No concurrent malignant tumors. 9. Estimated life expectancy \>= 6 months. 10. Available tumor tissue for PD-L1 IHC testing (22C3 DAKO assay). 11. Adequate hematological function (screening): ANC \>= 1.5×10⁹/L, platelets \>= 100×10⁹/L, Hb \>= 100 g/L, WBC \>= 3.5×10⁹/L; no blood transfusion or bleeding tendency within 7 days. 12. Normal liver function: ALT, AST, ALP, serum bilirubin \<= 1.5×ULN. 13. Normal renal function: Serum Cr \<= 1.5×ULN or creatinine clearance \> 60 mL/min. 14. HPV status confirmed by p16 IHC and in situ hybridization (ISH). 15. Voluntary participation with signed informed consent; legal guardian-signed consent for incompetent subjects, and witness-supervised consent for illiterate subjects. Exclusion Criteria: 1. Cachexia or multiple organ failure. 2. Active autoimmune disease of any type. 3. Concomitant second primary malignancy (e.g., esophageal cancer). 4. Severe active infection requiring systemic therapy. 5. Uncontrolled serious medical conditions interfering with study treatment (e.g., severe heart/cerebrovascular disease, uncontrolled diabetes/hypertension, active peptic ulcer). 6. Dementia, altered mental status, or other conditions impairing informed consent or questionnaire completion. 7. Peripheral neuropathy \>= Grade 2 per CTCAE v5.0. 8. Hearing impairment \>= Grade 2 per CTCAE v5.0. 9. History of malignancy within 5 years prior to screening. 10. Known HIV-positive status or diagnosed AIDS. 11. Nasopharyngeal carcinoma or HNSCC at sites other than oral cavity, oropharynx, larynx, hypopharynx (e.g., paranasal sinuses, unknown primary). 12. Receipt of investigational drugs or participation in other interventional trials within 30 days prior to screening. 13. Systemic glucocorticoids (\>10 mg prednisone equivalent/day) or other immunosuppressants within 14 days prior to randomization (inhaled/topical steroids and adrenal hormone replacement are permitted without active autoimmune disease). 14. Pregnant/lactating women; subjects of childbearing potential refusing contraception. 15. Active infection requiring treatment or systemic anti-infective use within 1 week prior to first dose. 16. Live vaccine administration within 30 days prior to first dose. 17. Vulnerable populations (e.g., mental illness, cognitive impairment, critically ill status). 18. Other conditions deemed unsuitable for enrollment by the investigator.

Locations (1)

Sir Run Run Shaw Hospital Zhejiang University School of Medicine

Hangzhou, Zhejiang, China