About this trial
This study is a randomized, open-label, multicenter phase III trial designed to systematically evaluate the efficacy and safety of perioperative neoadjuvant and adjuvant therapy with Becotatug vedotin in combination with PD-1 inhibitor versus PD-1 inhibitor alone in patients with EGFR-positive, CPS ≥ 1 resectable locally advanced head and neck squamous cell carcinoma .
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Voluntarily sign the informed consent form;
Untreated, histologically confirmed head and neck squamous cell carcinoma (oral cavity, oropharynx, hypopharynx, or larynx), EGFR-positive, CPS ≥ 1, with clinical stage (AJCC 8th edition): p16-positive oropharynx: Stage III (T4N0-2M0); p16-negative oropharynx: Stage III or IVA; larynx/hypopharynx/oral cavity: Stage III or IVA;
Eligible for curative-intent surgery as determined by the surgeon;
Age: 18 to 75 years;
Disqualifiers
Pregnant or breastfeeding women.
History of allergy to PD-1 inhibitors.
History of other malignancies within the past 5 years or at enrollment, with the exception of cured basal cell carcinoma of the skin, carcinoma in situ of the cervix, and thyroid papillary tumors.
Residual toxicity from prior anti-tumor therapy (including immunotherapy, targeted therapy, chemotherapy, or radiotherapy, etc.) other than alopecia, fatigue, and grade 2 hypothyroidism, or clinically significant laboratory abnormalities greater than grade 1 (CTCAE v5.0).
Trial design
Parallel
Treatments tested in this trial
Neoadjuvant and Adjuvant Becotatug Vedotin
DrugNeoadjuvant therapy with Becotatug Vedotin (Day 1, Q3W, 2 cycles); Adjuvant therapy after radiotherapy with Becotatug Vedotin ( Day 1, Q3W, for a total of 12 cycles).
Neoadjuvant and Adjuvant Immunotherapy
DrugNeoadjuvant immunotherapy with pucotenlimab (200mg, Day 1, Q3W, 2 cycles); Adjuvant immunotherapy duiring and after radiotherapy with pucotenlimab (200mg, Day 1, Q3W, for a total of 15 cycles).
Surgery
Procedure/SurgeryRadical surgery performed 3-4 weeks after neoadjuvant therapy, following a re-evaluation of surgical indications by the surgeon.
Adjuvant Radiotherapy
RadiationRadiotherapy is initiated 4-6 weeks after surgery. For the low-risk group, a total dose of 60 Gy in 30 fractions is delivered using intensity-modulated radiation therapy (IMRT). For the high-risk group, 66 Gy in 33 fractions is prescribed, or 70 Gy in 35 fractions for residual lesions, also using IMRT.
Adjuvant Cisplatin
DrugHigh-risk group:Cisplatin 100 mg/m² is administered via intravenous infusion on Day 1 of every 21-day cycle during radiotherapy, for a total of 3 cycles.
Treatment groups
Trial outcomes
Primary outcomes
Event-Free Survival Rate (EFS)
Defined as the time from randomization to the first occurrence of disease progression, relapse, or death from any cause.
Secondary outcomes
Overall Survival (OS)
Defined as the time interval from randomization to death due to any cause.
Distant Metastasis-Free Survival (DMFS)
Defined as the time interval from randomisation to the date of first distant metastases.
Locoregional Relapse-Free Survival (LRRFS)
Defined as the time from randomisation to the date of first locoregional relapse.
Objective Response Rate (ORR)
The proportion of patients achieving an objective response (complete response and partial response) by imaging assessment after the completion of neoadjuvant therapy, prior to surgery.
Sponsors and contacts
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Ming-Yuan Chen
Lead sponsor
Sun Yat-sen University
Sponsor institution