Stereotactic Body Radiotherapy (SBRT) and Low-dose Radiotherapy (LDRT) Combined With Programmed Death 1 (PD-1) Antibody and Chemotherapy in Recurrent/Metastatic Nasopharyngeal Carcinoma: A Prospective, Single-arm, Phase II Clinical Trial

SBRT/LDRT+PD-1+GP for r/mNPC

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.

2024-04-01

2026-04-01

2028-04-01

Not yet recruiting

Early phase I

148

Inclusion Criteria: * 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; * No contraindications to immunotherapy and chemoradiotherapy; * At least one lesion could receive SBRT safely; * Subject must have a measurable target lesion based on RECIST v1.1; * Adequate marrow function: WBC count ≥ 3×10E9/L, NE count ≥ 1.5×10E9/ L, HGB ≥ 90g/L, PLT count ≥ 100×10E9/L; * Adequate liver function: ALT/AST ≤ 2.5×ULN, TBIL ≤ 2.0×ULN; * Adequate renal function: BUN/CRE ≤ 1.5×ULN or endogenous creatinine clearance ≥ 60ml/min (Cockcroft-Gault formula); * Take effective contraceptions during and three months after treatment; * Patients must be informed of the investigational nature of this study and give written informed consent. Exclusion Criteria: * 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; * Have New York Heart Association (NYHA) class 3 or 4, unstable angina, myocardial -infarction within 1 year, or clinically meaningful arrhythmia that requires treatment; Have known allergy to large molecule protein products or any compound of study therapy; * Pregnant or breastfeeding; * Prior malignancy except adequately treated non-melanoma skin cancer, in situ cervical cancer, and papillary thyroid carcinoma; * Have received a live vaccine within 30 days of planned start of study therapy Has psychiatric drug or substance abuse disorders that would interfere with cooperation with the requirements of the trial; * Any other condition, including mental illness or domestic/social factors, deemed by the investigator to be likely to interfere with a patient's ability to sign informed consent, cooperate and participate in the study, or interferes with the interpretation of the results.

{'studyType': 'INTERVENTIONAL', 'phases': ['PHASE2'], 'designInfo': {'allocation': 'NA', 'interventionModel': 'SINGLE_GROUP', 'primaryPurpose': 'TREATMENT', 'maskingInfo': {'masking': 'NONE'}}, 'enrollmentInfo': {'count': 148, 'type': 'ESTIMATED'}}

2024-03-21