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NCT06486220

PHASE3

PFLL Combined With PD-1 Antibody With or Without FMT for Oligometastatic NPC,a Phase III ,Open, Randomized Clinical Trial.

Sponsor: Yun-fei Xia

View on ClinicalTrials.gov

Summary

There is a correlation between gut microbiota and immunotherapy reactivity, and regulating gut microbiota through FMT can prevent primary resistance to immune checkpoint inhibitors and further improve the effectiveness of tumor immunotherapy.Therefore, on the basis of previous studies, this study intends to explore whether intestinal flora transplantation can improve the anti-tumor efficacy of low-dose long term 5-FU pumping ("old fire soup") therapy combined with immunotherapy and reduce the occurrence of toxic side effects in patients with metastatic nasopharyngeal carcinoma.

Key Details

Gender

All

Age Range

18 Years - 60 Years

Study Type

INTERVENTIONAL

Enrollment

Start Date

2024-07-01

Completion Date

2026-07-01

Last Updated

2024-07-03

Healthy Volunteers

Conditions

Nasopharyngeal Carcinoma

Interventions

DRUG

Intestinal bacteria freeze-dried powder capsules

Oral healthy intestinal bacteria freeze-dried powder capsules, tid

Inclusion Criteria: 1. 18-60 years old; 2. Pathological diagnosis of nasopharyngeal carcinoma; 3. Patients diagnosed with oligometastatic nasopharyngeal carcinoma who meet stage IVb as defined by the International Union against Cancer and the American Joint Committee on Cancer (UICC/AJCC) staging System (8th edition) (Oligometastatic as ≤3 organs and ≤5 sites of metastasis); 4. Patients with metastatic nasopharyngeal carcinoma who had not previously received systematic chemotherapy for the disease in this study, except neoadjuvant chemotherapy, concurrent chemoradiotherapy or adjuvant chemotherapy received 6 months before the first administration; 5. Karnofsky's functional status score should be at least 70 points (if the functional status score is decreased due to tumor, it should be appropriately relaxed after the researchers' judgment, and the minimum score should be no less than 50 points, as shown in Annex I); 6. According to the RECIST1.1 evaluation criteria, there should be at least 1 measurable lesion, and the measurable lesion should not have received local treatment such as radiotherapy; 7. Expected survival ≥3 months; 8. A tolenrant organs. Exclusion Criteria: 1. allergy to 5-FU, gemcitabine, cisplatin, other monoclonal antibodies, or any component of triplimab 2. Prior treatment with PD-1 receptor or its ligand PD-L1 or cytotoxic T lymphocyte-associated protein 4 (CTLA4) receptor; 3. Had major surgery other than diagnosis of nasopharyngeal cancer within 28 days prior to randomization or was expected to require major surgery during the study period; 4. Patients with severe damage of intestinal barrier such as sepsis, active massive bleeding of digestive tract and perforation due to various reasons; 5. Currently diagnosed with fulminant colitis or toxic megacolon; 6. Enteral nutrition patients who cannot tolerate 50% of heat calorie requirements due to severe diarrhea, significant fibrous intestinal stenosis, severe gastrointestinal bleeding, high-flow intestinal fistula, etc.; 7. patients with any active autoimmune disease or a history of autoimmune diseases.