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Paclitaxel

Docetaxel

Albumin-Bound Paclitaxel

Oxaliplatin

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After receiving neoadjuvant chemotherapy and D2 radical resection, Hyperthermic intraperitoneal perfusion chemotherapy is conducted,4 catheters are placed in 4 position in the peritoneal cavity: ① under the left diaphragm ② hepatorenal recess ③ left pelvis ④ right pelvis.catheters, all four tubes are connected to the perfusion device.Perfusion prescription: cycle 1, Paclitaxel 75mg/ m2 diluted with 3000ml normal saline heated up to a fixed temperature of 43°C circulate continuously for 60min at a speed of 400-500ml/h; cycle 2 start within 24-48 hours after cycle 1, dosage of paclitaxel adjust to 100mg/ m2, the rest of the same. A total of two cycle is administered, routine adjuvant chemotherapy using SOX (oxaliplatin plus S-1 capsule)or XELOX regimens follows within 4-6 weeks.

After receiving neoadjuvant chemotherapy and D2 radical resection, patients receive peritoneal lavage with 3000ml distilled water.Adjuvant chemotherapy using SOX or XELOX regimens is administered as routine within 4-6 weeks.

Eligible patients receive 4 cycles of mDOF(docetaxel 50 mg/ m2 day 1 + oxaliplatin 85 mg/ m2 day 2 + fluorouracil 400 mg/ m2 bolus iv followed by 600 mg/ m2 22 hours chronic infusion, day 2/3 + leucovorin 200 mg/ m2, day2/3; repeated every 14 days ).

Neoadjuvant chemotherapy

Laparotomy or laparoscopic surgery are chosen according to the preference of the surgeon. Either cases, a throughout peritoneal cavity exploration is required to comfirmed the tumor resectability and peritoneal metastasis. A curative D2 resection is performed if achievable.

D2 radical resection

Two cycle of hyperthermic intraperitoneal perfusion chemotherapy is administered to patients who have received neoadjuvant chemotherapy and D2 resection, dosage and the relative parameter setting is described above.

Hyperthermic intraperitoneal perfusion chemotherapy

Adjuvant chemotherapy using SOX or XELOX regimen will be administered as routine within 4-6 weeks.

Adjuvant chemotherapy

Hua-She Wang, PhD

Jun-Sheng Peng, PhD

The investigators intend to conduct a randomized controlled study to find if combining HIPEC (hyperthermic intraperitoneal perfusion chemotherapy) with post-neoadjuvant chemotherapy D2 resection could improve survival for patients with advanced gastric cancer, while comparing with the traditional approach of D2 resection after neoadjuvant chemotherapy.

Gastric cancer, as the second common malignant tumors in china, is marked by its poor prognosis and high recurrent rate. Although R0 resection could be achieved in most advanced gastric cancer(AGC) patients without metastasis, age-standardized 5-years survival rate was no more than 27.4%. Peritoneal metastasis accounts for 50% of the recurrent case and remain to be the most fatal recurrence pattern.

Hyperthermic intraperitoneal perfusion chemotherapy ( HIPEC ), has been proved as one of the most efficient approach against peritoneal carcinomatosis from gastric cancer and recommended in the guideline for gastric cancer published by the health committee of china. However, its role as prophylactic treatment after curative has never been determined. HIPEC works by delivering heat and cytotoxic drug to the cancer cell and is more effective on the tumor with small size. As present study suggest that Peritoneal metastasis is related to lymph node dissection during surgery while opening lymphatic channels and spreading viable cancer cells into the peritoneal cavity, HIPEC might be a reasonable approach to destroy the remaining cancer cells after curative surgery. Thus this research aim to explore the efficacy and safety of combining HIPEC (hyperthermic intraperitoneal perfusion chemotherapy) with post-neoadjuvant chemotherapy D2 resection.

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
Perioperative Chemotherapy Combined With HIPEC for High-risk Advanced Gastric Cancer	NCT02960061	Survival	Neoadjuvant che... D2 radical rese... Hyperthermic in... Adjuvant chemot...	18 Years - 75 Years	Sixth Affiliated Hospital, Sun Yat-sen University
Perioperative Chemotherapy Combined With HIPEC for High-risk Advanced Gastric Cancer	NCT02960061	Survival	Neoadjuvant che... D2 radical rese... Hyperthermic in... Adjuvant chemot...	18 Years - 75 Years	Sixth Affiliated Hospital, Sun Yat-sen University

Spots Global Cancer Trial Database for hyperthermic intraperitoneal perfusion chemotherapy