About this trial
This is a prospective, single-arm, phase II clinical trial. The purpose of this study is to evaluate the efficacy and adverse effect of SBRT and LDRT combined with programmed death 1 (PD-1) antibody and chemotherapy in recurrent/metastatic nasopharyngeal carcinoma patients.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Diagnosed as recurrence/metastatic NPC
Histopathological diagnosis of NPC(WHO II/III)
ECOG 0-1 point
No treatment to r/mNPC, such as radiotherapy, chemotherapy, immunotherapy or biotherapy;
Disqualifiers
Allergic to monoclonal antibodies, any PD-1 antibody components, gemcitabine and cisplatin;
Unexplained fever > 38.5 #, except for tumor fever;
Have active autoimmune disease (e.g., uveitis, enteritis, hepatitis, hypophysitis, nephritis, vasculitis, hyperthyroidism, and asthma requiring bronchodilator therapy);
Have a known history of human immunodeficiency virus (HIV), active Hepatitis B (HBV-DNA ≥10E3copiers/ml) or hepatitis C virus (HCV) antibody positive;
Trial design
Single group
Treatments tested in this trial
SBRT
RadiationSBRT for metastatic lesions
Low-dose Radiotherapy (LDRT)
RadiationLDRT for metastatic lesions
Toripalimab
Drug6 cycles for combined therapy. Toripalimab maintenance for 1 year.
Gemcitabine
Drug6 cycles for combined therapy.
Cisplatin
Drug6 cycles for combined therapy.
IMRT
RadiationIMRT for primary lesion
Treatment groups
Trial outcomes
Primary outcomes
Progression-free survival
Defined as the time from randomization to the first occurrence of disease progression as determined according to RECIST v1.1 or death from any cause, whichever occurs first.
Secondary outcomes
Overall Survival
Defined as the time from randomization to death from any cause.
Objective Response Rate
The percentage of patients with CR and PR assessed according to RECIST v1.1.
Disease Control Rate
The proportion of patients who have achieved complete response, partial response and stable disease according to RECIST v1.1.
Adverse Events
All adverse event or serious adverse event that occurred during the study period according to CTCAE v 4.03
Sponsors and contacts
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