Changing Trends in HCC Procedures

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

1000 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-11-30

Study Completion Date

2021-03-25

Brief Summary

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In France, as in most countries, the incidence of primary liver cancer has increased significantly since the 1980s. In the United States, a study estimating cancer incidence and mortality rates in the coming years predicts that primary liver cancer will become the 3rd leading cause of cancer death from 2030 onwards, behind lung and pancreatic cancer, but ahead of colorectal cancer. This increase in incidence could be explained on the one hand by an increase in the incidence of chronic liver diseases, particularly those related to alcohol and metabolic steatopathies in the West, and on the other hand by improved management of the consequences of cirrhotic disease, which in turn increases the time needed for hepatocellular carcinoma (HCC) to form and develop. The management of a patient with hepatocellular carcinoma is complex because of the underlying cirrhotic disease, which hinders the development of many therapies. Thus, the patient's prognosis depends as much on the tumour extension as on the severity of the underlying chronic liver disease, and the choice of appropriate treatment is based on optimizing the balance between maximum antitumor efficacy and limited liver toxicity.

It is in this context that minimally invasive technical acts, whether local or local-regional, have developed significantly in recent years. Percutaneous tumor destruction techniques have become highly diversified with the development of microwave ablatherm, multipolar radiofrequency, or irreversible electroporation. For intra-arterial treatments, hepatic arterial chemoembolization remains the reference treatment for BCLC B stages. Alongside it, Yttrium 90 radio-embolization is booming, although its precise place remains to be defined in the therapeutic arsenal. Surgical techniques have also progressed, with the development of laparoscopic resections and improved liver transplant management. Finally, external radiotherapy is a recourse solution that can make it possible to propose a therapeutic solution in selected patients.

This multidisciplinary management of the HCC is in constant evolution and improvement, which justifies regularly carrying out an inventory of the frequency of these various technical acts at the national level. The objective of our study is to analyze the evolution, over the last 10 years and at a national level, of the various technical procedures available in the HCC therapeutic arsenal based on data from the french national PMSI database.

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Detailed Description

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Design Observational retrospective epidemiological nationwide cohort

Data source Data will be obtained from the French Programme for the Medicalisation of Information Systems (PMSI) database, which contains all discharge abstracts from all hospitals nationwide. The PMSI includes data on all hospital activities, whether acute (Medecine chirurgiae Obstetrique \[MCO\]), chronic (Soins de Suite et de Réadaptation \[SSR\]), or home-care (Hospitalization à Domicile \[HAD\]). Discharge abstracts include information on the patient's demographics, principal and associated diagnosis codes according to the tenth revision of the International Classification of Diseases (ICD-10) \[10\], procedure codes, mode of hospitalization (elective, emergency, or hospital transfer), mode of discharge (home, hospital transfer, death; the latter was used to compute survival), duration of hospital stay, patient's home address, and hospital identification code. In addition, each patient has an anonymous alphanumerical identifier that enables all hospital admissions throughout the country to be traced. The databases will be provided for the calendar years 2009 to 2018 included.

Data extraction

* date: 01/01/2009 to 31/12/2018
* ICD-10 diagnostic code: C22.0 (liver cell carcinoma - HCC or hepatoma) and C22.9 (malignant neoplasm of liver, unspecified)
* Patient: age, gender, co-morbidities, postal code
* Cause of chronic liver disease, presence of cirrhosis and severity
* 1st diagnosis of HCC or recurrence
* Hospital of care, status and postal code
* Number and type of therapeutic procedures performed per year (each procedure will be counted according to whether it is the first treatment of HCC or the treatment of a recurrence):

* Liver transplantation
* Destruction of hepatic tumor by radiofrequency, percutaneous
* Destruction of hepatic tumor by radiofrequency, intraoperatively
* Hepatectomy and liver resection:
* Preoperative portal embolization
* Liver arterial chemo-embolization:
* Yttrium 90 Radio Embolization
* Survival from diagnosis and 1st treatment

The expected results of this study are of major importance. On the one hand, this study will provide an overview of the current situation regarding the management of HCC at a national level, by analysing the evolutionary trends of the various therapeutic solutions. The analysis of the geographical variability of care that may exist between different health structures at different levels of expertise, but also at regional or departmental level, is of major importance in order to detect and explain possible differences in terms of prognosis. These data may be of great interest to health authorities or to potential future investigators who will be committed to conducting new prospective projects based on solid and up-to-date data.

Conditions

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Hepatocellular Carcinoma

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

An individual must fulfill all of the following criteria in order to be eligible for study enrollment:

* Aged above 18 years
* ICD-10 diagnostic code: C22.0 (liver cell carcinoma - HCC or hepatoma) and C22.9 (malignant neoplasm of liver, unspecified)
* Having had at least one technical procedure for management of an HCC
* Date of procedure: 01/01/2009 to 31/12/2018