At a glance
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Reduced-dose Radiotherapy With/Without Concurrent Chemotherapy Versus Standard Chemoradiotherapy for High-risk Locoregionally Advanced Nasopharyngeal Carcinoma Who Achieved Complete Response After Induction Chemotherapy Plus Immunotherapy: a Randomized, Open-label, Multicenter, Phase III Trial
In Brief
A Phase 3 clinical trial evaluating Cisplatin-based induction chemotherapy, Full course of PD-1/PD-L1 blockades, and 3 other interventions for Nasopharyngeal Carcinoma and De-escalation Therapy. Currently recruiting, targeting 504 participants across 1 site.
Detailed Summary
This prospective trial aims to enroll patients with high-risk stage III-IVA (AJCC 8th, except T3N0) locoregionally-advanced nasopharyngeal carcinoma (LANPC). Under the condition of full course of PD-1/PD-L1 blockades, patients who achieved both radiological and biological complete response after 3 cycles of platinum-based chemotherapy plus PD-1/PD-L1 blockades will be randomized in a 1:1:1 ratio to receive reduced-dose radiotherapy (60Gy/30F) alone or reduced-dose radiotherapy plus concurrent chemotherapy or standard dose radiotherapy (70Gy/33F) with concurrent chemotherapy. To solve the urgent problem of whether patients with high-risk advanced nasopharyngeal carcinoma are suitable for downgrade treatment.
Study Details
Timeline
Interventions
Cisplatin-based induction chemotherapy will be given every 3 weeks for 3 cycles before radiotherapy including GP, TP, and TPF regimen.
a) Camrelizumab 200mg, b) Toripalimab 240mg, or c) Adebrelimab 1200mg will be started on day 1 of induction chemotherapy and given every 3 weeks for up to 12 cycles, or until intolerable toxicity, or disease progression or withdrawal from the treatment.
GTVnx:60Gy/30F/2.0Gy,CTV1:54Gy/30F/1.8Gy,CTV2:48Gy/30F/1.6Gy
GTVnx:69.96Gy/33Fr/2.12Gy;CTV1:60.60Gy/33Fr/1.82y;CTV2:54.12Gy/33Fr/1.64Gy
Cisplatin 100mg/m2 every 3 weeks for 2 cycles