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Single-port access for Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC): technique, feasibility and safety.

ABSTRACT: Background:Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC) is a drug delivery system for treatment of peritoneal metastasis (PM). A limitation of this technique is the non-access rate (10-15?%) due to peritoneal adhesions. The aim of the study was to assess feasibility and safety of the single-port access technique for PIPAC. Methods:Single-center, pilot study. Case series, retrospective analysis on 17 patients with PM of various origin treated with intraperitoneal cisplatin, doxorubicin and/or oxaliplatin administered as PIPAC. Single-port access was attempted in all patients by minilaparotomy. Results:Twenty-nine PIPAC procedures were performed. Nine patients were subjected to 1 PIPAC, four patients to 2 PIPAC and four patients to 3 PIPAC. Access to peritoneal cavity was possible in all cases. There was no bowel access lesion. Tightness of the abdomen (CO2-flow?=?0) was achieved in all cases. No postoperative complications according to CTCAE (Common Terminology Criteria for Adverse Events)>2 were observed, no re-laparotomies required and no postoperative mortality recorded. Conclusions:Single port-access is feasible and safe for PIPAC. Potential advantages over multiple trocars technique are a lower non-access rate, a lower risk of bowel lesions and a better tightness of the abdomen. This has now to be confirmed in a comparative study.

SUBMITTER: Vaira M

PROVIDER: S-EPMC6386499 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Single-port access for Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC): technique, feasibility and safety.

Vaira Marco M Robella Manuela M Borsano Alice A De Simone Michele M

Pleura and peritoneum 20161215 4

<h4>Background</h4>Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC) is a drug delivery system for treatment of peritoneal metastasis (PM). A limitation of this technique is the non-access rate (10-15 %) due to peritoneal adhesions. The aim of the study was to assess feasibility and safety of the single-port access technique for PIPAC.<h4>Methods</h4>Single-center, pilot study. Case series, retrospective analysis on 17 patients with PM of various origin treated with intraperitoneal cispla ...[more]

PMID: 30911626

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Project description:BackgroundPatients with recurrent malignant epithelioid mesothelioma (MM) after surgery and standard chemotherapy with cisplatin and pemetrexed have limited treatment options.MethodsWe performed a retrospective cohort study of patients with recurrent MM undergoing Pressurized IntraPeritoneal/Thoracal Aerosol Chemotherapy (PIPAC/PITAC) with doxorubicin 1.5 mg/m2 and cisplatin 7.5 mg/m2. Data were retrospectively collected in a prospective registry of patients undergoing PIPAC/PITAC. Study outcomes were microscopic tumor regression grade (TRG), survival and adverse events (v4.0 CTCAE).ResultsA total of 29 patients (m/f = 17/12) with MM with a mean age of 62.4 (range: 42 to 84) years were analyzed. A total of 74 PIPAC and 5 PITAC procedures were performed. The mean number of PIPAC applications was 2.5 (range: 0 to 10) per patient. Twenty patients (69%) had > 2 PIPAC procedure and were eligible for TRG analysis. TRG 1 to 4 was observed in 75% (15/20) of patients. Major regression (TRG 3) or complete regression (TRG 4) was observed in 20% and 10%, respectively. PIPAC induced significant tumor regression in 51.7% (15/29) of patients with a cumulative effect after repetitive PIPACs (PIPAC #1 vs. PIPAC #2: p = 0.001; PIPAC #1 vs. PIPAC #3: p = 0.001; PIPAC #1 vs. PIPAC #4: p = 0.001). Postoperative CTCAE grade 4 complications were observed in two patients (6.9%) who had cytoreductive surgery (CC2) and intraoperative PIPAC. One patient (3.4%) died due to postoperative kidney insufficiency. After a follow up of 14.4 (95% CI: 8.1 to 20.7) months after the last PIPAC/PITAC application, median overall survival was 26.6 (95% CI: 9.5 to 43.7) months (from the first application).ConclusionAfter prior abdominal surgery and systemic chemotherapy, repetitive PIPAC applications are feasible and safe for patients with end-stage MM. Furthermore, PIPAC induces significant histological regression of malignant mesothelioma in the majority of patients. PITAC is feasible, but its safety and efficacy to control malignant pleural effusion remain unclear.

Project description:BackgroundPeritoneal carcinomatosis (PC) is a common endpoint in both gastrointestinal and non-gastrointestinal cancers, and PC is treated as other systemic metastases - unfortunately with disappointing results and considerable side-effects. Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC) is a new method of applying traditional chemotherapy, and preliminary data indicate that PIPAC is safe, able to stabilize or improve quality of life, and can induce an objectively measurable reduction in disease burden in PC.MethodsPIPAC-OPC2 is a prospectively controlled Phase II, single center, one-arm, open-label clinical trial investigating the treatment effect of PIPAC in patients with histological or cytological proven PC from gastrointestinal, ovarian or primary peritoneal cancer. Eligible patients will receive PIPAC in series of three using a combination of doxorubicin (1.5 mg/m2) and cisplatin (7.5 mg/m2) for non-colorectal cancer patients (PIPAC C/D), and oxaliplatin (92 mg/m2) in patients with PC of colorectal origin (PIPAC OX). Patients are monitored by: (1) repeated measurements of the Peritoneal Regression Grading Score (PRGS) in biopsies obtained from metal clips marked areas, (2) Quality-of-Life (QoL) questionnaires, (3) Magnetic Resonance Imaging (MRI) and (4) Prognostic Nutritional Index (PNI). Adverse events and surgical complications will be recorded according to the 30 days definition.ResultsThe primary outcome of PIPAC-OPC2 is to evaluate if PIPAC can induce major or complete response (PRGS 1 or 2) within a series of three PIPAC procedures. Secondarily this study investigates changes in QoL and MRI as a staging and response evaluation tool. The secondary outcomes will be used to create a model that may predict which of the patients will benefit from PIPAC treatment.ConclusionsIt is expected that PIPAC directed therapy can induce major or complete response in 50 % of patients with PC of colorectal origin and in 30 % of patients with PC of non-colorectal origin - and at the same time stabilize or even improve quality of life. This trial may provide data regarding the utility of MRI as a staging and response evaluation tool in patients with PC.Trial registrationThe study is registered with ClinicalTrials.gov Identifier NCT03287375 and the European Clinical Trials Database (EudraCT) number 2016-003394-18.

Dataset Information

Single-port access for Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC): technique, feasibility and safety.

Publications

Single-port access for Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC): technique, feasibility and safety.

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