Inclusion Criteria:

          -  18 < age ≤ 75 years

          -  Performance status (WHO) < 2

          -  White blood cells > 3.500 /mm3; neutrophils > 1.500 /mm3; platelets > 100.000 /mm3

          -  Creatinemia < 1.5 x Normal, Normal ASAT, ALAT and Serum total bilirubin, Normal ionic
             balance (potassium, calcium, magnesium and phosphorus

          -  An acceptable nutritional condition with Body Mass Index (BMI) > 18.5 kg/m2, Albumin >
             30 g/l, pre-albumin > 110 mg/l

          -  Effective contraception for patients of childbearing age

          -  Written consent obtained prior any act of the research

          -  Patient with social insurance

          -  Patient having synchronous or metachronous peritoneal metastasis or ovarian metastasis
             of a gastric adenocarcinoma cancer, including adenocarcinoma with independent cells
             (ADCI) or linitis

          -  Patients with or without primary gastric tumor could be included

          -  Peritoneal Cancer Index (PCI) > 8

        Exclusion Criteria:

          -  Weight loss > 20% of total body weight before disease

          -  Presence of uncontrolled comorbidities including severe chronic disease or organ
             insufficiency

          -  Contraindication to any drug contained in the chemotherapy regimen, according to
             summary of product characteristic's

          -  Having any form of previous intra-abdominal chemotherapy or intra-abdominal antibody
             therapy

          -  Patients with history of allergic reactions to platinum compounds or doxorubicin

          -  Complete deficiency of the enzyme dihydropyrimidine dehydrogenase.

          -  Patients are not allowed to undergo any cancer-specific treatment during the trial.

          -  Secondary debulking surgery is not allowed during PIPAC treatment

          -  Pregnancy or breastfeeding

          -  Patient under guardianship

          -  Other systemic metastases (liver, lung, bone, brain) or lombo-aortic lymph node
             involvement

          -  Pleural effusion requiring evacuation for respiratory failure

          -  Small bowel occlusion with no possible food intake

          -  Ascites > 3 liters

          -  HER2 +++ tumor