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Preventive Use of PIPAC in Locally Advanced Gastric Cancer.

N

National Research Oncology and Transplantology Center, Kazakhstan

Status

Enrolling

Conditions

Gastric Cancer

Treatments

Procedure: Control Group
Procedure: Intervention Group

Study type

Interventional

Funder types

Other

Identifiers

NCT06784765
KAZNEOPAC
BR24992950 (Other Grant/Funding Number)

Details and patient eligibility

About

Gastric cancer is the fifth most common cancer worldwide and the third leading cause of cancer-related mortality. In patients with locally advanced gastric cancer, multimodal treatment strategies, including perioperative chemotherapy, have significantly improved survival rates. Despite these advances, peritoneal carcinomatosis (PC) remains a serious problem, occurring in 60% of cases after radical surgery. PC is associated with poor prognosis and limited treatment options.

Intra-abdominal chemotherapy, particularly hyperthermic intraperitoneal chemoperfusion (HIPEC), has demonstrated advantages in the treatment of PC. However, a new technique, pressurized intraperitoneal aerosolized chemotherapy (PIPAC), is emerging as a promising alternative. PIPAC delivers chemotherapeutic agents directly to the peritoneal surface as an aerosol, allowing deeper penetration of drugs into tumor implants while minimizing toxicity and invasiveness.

This study hypothesizes that the addition of PIPAC as a preoperative treatment for patients with locally advanced gastric cancer may reduce the incidence of peritoneal carcinomatosis compared to standard therapy. The primary objective of this study is to determine whether preoperative PIPAC reduces the incidence of peritoneal carcinomatosis in these patients.

Full description

Gastric cancer is the fifth most common cancer globally and the third leading cause of cancer-related death. In patients with locally advanced gastric cancer, multimodal treatment strategies, including perioperative chemotherapy, have significantly improved survival outcomes. However, PC remains a major challenge, often occurring in 60% of cases after radical surgery, and is associated with a poor prognosis and limited treatment options.

Intra-abdominal chemotherapy, particularly HIPEC, has shown benefits in the treatment of PC. However, a newer method, PIPAC, is emerging as a promising alternative. PIPAC delivers chemotherapeutic agents directly to the peritoneal surface via aerosol, ensuring deeper penetration of the drugs into tumor implants and offering lower toxicity and less invasiveness compared to traditional methods.

This study hypothesizes that adding PIPAC as a preoperative treatment in patients with locally advanced gastric cancer may reduce the occurrence of peritoneal carcinomatosis compared to standard therapy alone. PIPAC will be applied before neoadjuvant chemotherapy to patients at high risk for peritoneal recurrence, with the goal of improving survival rates and reducing recurrence after surgery.

The main objectives of this study are to determine whether preoperative PIPAC reduces the incidence of peritoneal carcinomatosis in patients with locally advanced gastric cancer. Secondary objectives include assessing overall survival (OS), progression-free survival (PFS), disease-free survival (DFS), the occurrence of serious adverse events (SAEs), quality of life (QoL) as measured by the EORTC QLQ-C30, postoperative mortality (Clavien-Dindo classification), and pathological response (TRG) in comparison to patients receiving standard treatment.

Enrollment

160 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Adults aged 18-70 years with histologically confirmed locally advanced gastric adenocarcinoma (T3-4N0-3M0), ECOG performance status 0-2, and negative peritoneal cytology.

Inclusion Criteria:

  1. Signed informed consent
  2. Aged 18-70 years
  3. ECOG performance status 0-2
  4. Histologically confirmed adenocarcinoma of the stomach (T3-4N0-3M0)
  5. Negative peritoneal cytology from diagnostic laparoscopy
  6. No prior chemotherapy or radiotherapy

Exclusion Criteria:

  1. Presence of distant metastases
  2. Positive peritoneal cytology
  3. Previous cancer treatment (chemotherapy, radiotherapy, or surgery)
  4. Severe comorbid conditions contraindicating surgery or chemotherapy
  5. Pregnancy or lactation
  6. Known hypersensitivity to study drugs

Trial design

Primary purpose

Prevention

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

160 participants in 2 patient groups

PIPAC+FLOT
Experimental group
Description:
◦ Preventive pressurized intraperitoneal aerosol chemotherapy (PIPAC) with cisplatin (10 mg/m2) and doxorubicin (2.1 mg/m2) + perioperative chemotherapy (FLOT regimen) + gastrectomy with D2 D2 lymphadenectomy.
Treatment:
Procedure: Intervention Group
FLOT
Active Comparator group
Description:
Retrospective cohort receiving standard perioperative chemotherapy (FLOT regimen) + gastrectomy with D2 D2 lymphadenectomy.
Treatment:
Procedure: Control Group

Trial contacts and locations

1

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Central trial contact

Altay Kerimkulov, MD

Data sourced from clinicaltrials.gov

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