Treatment of Malignant Peritoneal Mesothelioma (MESOTIP)

  • STATUS
    Recruiting
  • End date
    Dec 24, 2024
  • participants needed
    66
  • sponsor
    Institut du Cancer de Montpellier - Val d'Aurelle
Updated on 24 September 2020
pemetrexed
systemic chemotherapy
peritoneal mesothelioma
cytoreductive surgery
pressurized intraperitoneal aerosol chemotherapy

Summary

MESOTIP is a randomized trial evaluating the association of PIPAC and systemic chemotherapy versus systemic chemotherapy alone as 1st-line treatment of Malignant Peritoneal Mesothelioma In this study, patients in the experimental arm will be treated by 4 PIPAC (Cisplatine+Doxorubicine) alternating with 6 cycles of standard intravenous chemotherapy (Cisplatine+Pemetrexed).

MESOTIP aim to show an improvement of the overall survival in the experimental arm.

Description

Malignant peritoneal mesothelioma (MPM) is a rare tumoral disease characterized by the diffuse involvement of the peritoneal serosa. The incidence of all mesotheliomas is estimated quite differently in various reports with the highest rates in industrialized countries. In France, the estimated incidence is 300 cases/year. Three types of malignant mesotheliomas are described in the WHO classification: epithelioid, sarcomatoid and biphasic.

The standard treatment of MPM is surgery. It has been shown that cytoreductive surgery (CRS) associated to hyperthermic intraperitoneal chemotherapy (HIPEC) improves prognosis resulting in a median overall survival of 29.5 months to 53 months and an 5 years overall survival rate ranging between 39 to 63%. Cytoreductive surgery should be complete or almost complete (CCR0/1) as macroscopic residual disease deteriorates prognosis.

However some patients are not eligible for surgery due to the locoregional extension of the disease. Although debulking surgery may still be considered, its results are less encouraging than CRS and HIPEC.

The neoadjuvant treatment combining Cisplatin and Pemetrexed became a routinely applied option for initially unresectable patients after the publication of an open-label study inspired by previous results of a randomized trial in pleural mesothelioma. This study showed a benefit in median survival of 5 months and an increase in the response rate of 10%. Ever since, other phase II studies were proposed but their benefit is still limited. Pleural mesothelioma which is more common and represents the model of choice for the treatment of peritoneal mesothelioma has also benefitted from phase III studies analyzing the addition of a targeted therapy (Bevacizumab) and phase II trials proposing immunotherapy.

By contrast, peritoneal mesothelioma was the setting of choice for testing intraperitoneal administration of chemotherapy either as early postoperative intraperitoneal chemotherapy (EPIC) or as neoadjuvant intraperitoneal chemotherapy. Both studies offered promising results showing a sensitivity of MPM to intraperitoneal administration.

Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC) has recently been developed and shows interesting results in the neoadjuvant context of several peritoneal carcinomatoses while producing little toxicity. PIPAC is a modality of repeated administration of intraperitoneal chemotherapy during laparoscopy using aerosols at the pressure of the capnoperitoneum (12mmHg). Data from ex-vivo, in-vivo and human studies demonstrated a higher local drug bioavailability when compared to liquid IP chemotherapy. PIPAC was tested in the setting of malignant mesothelioma showing encouraging results.

In our study MESOTIP, patients in the experimental arm will be treated by 4 PIPAC (Cisplatine+Doxorubicine) alternating with 6 cycles of standard intravenous chemotherapy (Cisplatine+Pemetrexed).

Although retrospective reports showing the interest of PIPAC in the neoadjuvant setting for different peritoneal carcinomatosis origins were published, MESOTIP would be the first study to combine PIPAC to systemic chemotherapy in the first-line of treatment and to only include patients not eligible for surgical treatment and proposing a complete cytoreductive surgery associated to HIPEC for patients converted to resectability.

MESOTIP aim to show an improvement of the overall survival in the experimental arm.

Details
Treatment cisplatin, Pemetrexed, PIPAC
Clinical Study IdentifierNCT03875144
SponsorInstitut du Cancer de Montpellier - Val d'Aurelle
Last Modified on24 September 2020

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Eligibility

Yes No Not Sure

Inclusion Criteria

Is your age greater than or equal to 18 yrs?
Gender: Male or Female
Do you have any of these conditions: Abdominal Neoplasm or Peritoneal Mesothelioma or Peritoneal Carcinomatosis or Neoplasm of unspecified nature of digestive system or Abdominal Cancer o...?
Age 18 years
PS (or WHO) <2
Histologically-confirmed diagnosis of peritoneal malignant mesothelioma
No previous line of treatment (both medical and surgical oncologic treatments) for this disease
Peritoneal Carcinomatosis Index (PCI)>27 or at least 4 on the small bowel with serosal involvement contraindicating the cytoreductive surgery because of the impossibility to preserve a length >=1.5 m of uninvolved small bowel
Written and dated informed consent
Affiliated to the French national social security system

Exclusion Criteria

WHO performance status 2
Any contraindication to chemotherapy and/or radiotherapy
Any contraindication to repeated laparoscopy
Symptomatic cardiac or coronary insufficiency
Severe renal insufficiency
Progressive active infection or any other severe medical condition
Intestinal occlusion non responsive to medical treatment
Other cancer treated within the last 2 years except in situ cervical carcinoma or basocellular/spinocellular carcinoma
Pregnant or breast-feeding woman
Previously operated patients where laparoscopy is not feasible
Persons deprived of liberty or under guardianship or incapable of giving consent
Any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol or follow-up schedule
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