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this arm was stopped. the antibody previously used as a study drug is not available at this time. patients will be randomized only into the standard arm

\[Catumaxomab: 4 intraperitoneal infusions of catumaxomab at an escalating dose of 10µg (d0), 20µg (d3), 50µg (d7), and 150µg (d10) and 7 days after the last catumaxomab infusion FLOT; 6 cycles q2w: Fluorouracil 2600 mg/m² as 24h infusion (d1) , leucovorin 200mg/m² (d1), oxaliplatin 85 mg{m² (d1), docetaxel 50 mg/m² (d1))

FLOT; 6 cycles q2w:

Fluorouracil 2600 mg/m² as 24h infusion (d1) leucovorin 200mg/m² (d1) oxaliplatin 85 mg{m² (d1) docetaxel 50 mg/m² (d1)

Catumaxomab: 4 intraperitoneal infusions of catumaxomab at an escalating dose of 10µg (d0), 20µg (d3), 50µg (d7), and 150µg (d10)

and 7 days after the last catumaxomab infusion

FLOT; 6 cycles q2w: Fluorouracil 2600 mg/m² as 24h infusion (d1) , leucovorin 200mg/m² (d1), oxaliplatin 85 mg{m² (d1), docetaxel 50 mg/m² (d1)

catumaxomab, Fluorouracil, leucovorin, oxaliplatin, docetaxel

Fluorouracil, leucovorin, oxaliplatin, docetaxel

Florian Lordick, Prof. Dr.

The purpose of this study is to determine the efficacy of catumaxomab by determination of the rate of macroscopic complete remissions of peritoneal carcinomatosis after treatment with one cycle (four doses) of catumaxomab followed by six cycles of routine neoadjuvant chemotherapy.

Catumaxomab for Treatment of Peritoneal Carcinomatosis in Patients With Gastric Adenocarcinomas

Explorative Trial to Investigate Catumaxomab (Anti-EpCAM x Anti-CD3) for Treatment of Peritoneal Carcinomatosis in Patients With Gastric Adenocarcinomas Prior to Gastrectomy

Macroscopic complete response (mCR) rate of the peritoneal lesions, as resulting from the second diagnostic laparoscopy or laparotomy performed after chemotherapy.

All tumor evaluation is performed according to RECIST

The duration of overall survival (OS) will be determined by measuring the time interval from randomization to the date of death or last observation (censored).

Disease-free survival (DFS) will be defined as the time from surgery, resulting in a R0 finding and macroscopic complete remission of PC, to the time of disease progression or relapse (according to RECIST) or death, or to the date of last assessment without any such event (censored observation). Patients with evidence of disease at surgery are counted as having the event at time = 0.

Progression-free survival (PFS) will be defined as the time from randomization to the time of disease progression or relapse (according to RECIST) or death, or to the date of last assessment without any such event (censored observation).

blood and tumor tissue from every patient assed at 2time points. the first Laparoscopy (before randomization)and the second Laparoscopy (after chemotherapy)

blood and tumor tissue from every patient assessed at 2time points. the first Laparoscopy (before randomization) and the second Laparoscopy (after chemotherapy)

Neovii Biotech

AIO-Studien-gGmbH

Spots Global Cancer Trial Database for siewert type iii adenocarcinoma of esophagogastric junction with peritoneal carcinomatosis