Objectives of Study:
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1. A multicenter,randomized,controlled clinical study will be used to explore the efficacy of Jianpi Yangzheng Xiaozheng decoction in advanced gastric cancer.
2. The changes of immunosuppressive cell population in peripheral blood of patients with advanced gastric cancer will be detected to illustrate the mechanism of Jianpi Yangzheng Xiaozheng decoction, providing a new strategy for advanced gastric cancer patients.
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Description for medicine or protocol of treatment in detail:
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(1)The control group (chemotherapy group)
All the chemotherapy regimens refer to the NCCN Guidelines(2019) of gastric cancer, specifics as follows(the patients can choose one of them):
XELOX: Oxaliplatin 130mg/m2, d1, intravenous drip;
Capecitabine 1000mg/m 2 , d1-14, bid, orally, repeated in 21 days;
DS-1: Docetaxel 40-50mg/m2, d1, intravenous drip, repeated in 14 days;
S-1 40-60mg/m2, d1-14, bid, orally, repeated in 21 days;
SOX: Oxaliplatin 85mg/m2, d1, intravenous drip, repeated in 14 days;
S-1 40mg/m2, d1-14, bid, orally, repeated in 21 days;
(2)The treatment group (chemotherapy plus Jianpi Yangzheng Xiaozheng granules group)
Chemotherapy regimens will be the same as the control group
The JPYZXZ granules will consist of astragalus root(sheng Huangqi)60g, Codonopsis pilosula(Dangshen)30g, rhizoma atractylodis macrocephalae(chao Baizhu)10g, angelica sinensis(Danggui)10g, radix paeoniae alba(Baishao)10g, rhizoma sparganii(Sanleng)30g, curcuma zedoary(Ezhu)30g, pericarpium citri reticulatae(Chenpi)6g, costustoot(Muxiang)6g, oldenlandia diffusa(Baihuasheshecao )15g, salvia chinensis(Shijianchuan)15g, raw licorice(sheng Gancao)3g
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Exclusion criteria:
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1. Patients who is unable to swallow oral medications(including with digestive tract obstruction and jejunostomy;
2. Patients with symptomatic brain metastasis or mental disorder;
3. Patients who has severe cardiovascular disease, hepatopathy, kidney disease or blood disease;
4. Patients whose laboratory examination before enrollment is abnormal: Blood routine examination: ANC< 2.0x10^9/L, Hb< 90g/L, PLT <80x10^9/L, Renal function: Cr>1.5 UNL, CCr<50ml/min, liver function:TBil>1.5 UNL, ALT(SGPT) and AST(SGOT) >1.5×UNL;
5. Patients who are pregnant, nursing;
6. Patients who are substance abuse,or with clinical ,mental and social features which is interference for the study and informed consent.
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