At a glance
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Under Whole-course of Immunotherapy, Gradient Fractionated Radiotherapy with Concurrent Chemotherapy Versus Standard Fractionated Radiotherapy with Concurrent Chemotherapy for Locoregionally Advanced Nasopharyngeal Carcinoma Who Achieved Partial Response After Induction Chemotherapy: a Randomized, Open-label, Multicenter, Phase III Trial.
In Brief
A Phase 3 clinical trial evaluating Full course of PD-1/PD-L1 blockades, Cisplatin-based induction chemotherapy, and 3 other interventions for Nasopharyngeal Carcinoma and De-escalation Therapy. Currently recruiting, targeting 586 participants across 1 site.
Detailed Summary
This prospective trial aims to enroll patients with stage III-IVA (AJCC 8th,) locoregionally advanced nasopharyngeal carcinoma (LANPC). Under the condition of full course of PD-1/PD-L1 blockades, patients who achieved radiological partial response after 3 cycles of platinum-based chemotherapy plus PD-1/PD-L1 blockades will be randomized in a 1:1 ratio to receive gradient radiotherapy (reducing the irradiation dose of PET-CT areas without metabolic abnormalities, while maintaining adequate irradiation dose of areas with metabolic abnormalities) or standard dose radiotherapy with concurrent chemotherapy. It is expected to provide a new therapeutic option for locally advanced nasopharyngeal carcinoma at moderate risk.
Study Details
Timeline
Interventions
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.
Cisplatin-based induction chemotherapy will be given every 3 weeks for 3 cycles before radiotherapy.
GTVnx/nd:69.96Gy/33Fr/2.12Gy CTV1: 60.60Gy/33Fr/1.82y CTV2: 54.12Gy/33Fr/1.64Gy
GTVresidue: 68Gy/30Fr/2.27Gy GTVmcr: 60Gy/30F/2Gy CTV1:54Gy/30F/1.8Gy CTV2: 48GY/30F/1.60Gy
Cisplatin 100mg/m2 every 3 weeks for 2 cycles