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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04466709
Other study ID # 5226
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date July 10, 2019
Est. completion date January 1, 2022

Study information

Verified date July 2020
Source University of Roma La Sapienza
Contact Manuela Merli, Professor
Phone 0649972002
Email manuela.merli@uniroma1.it
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Malnutrition is a common figure associated with liver cirrhosis. The main component of malnutrition in liver cirrhosis is represented by sarcopenia, a condition of a progressive and generalized loss of muscle mass and strength. Many studies have reported that sarcopenia is an independent predictor of morbidity and mortality in cirrhotic patients.

Moreover, cirrhotic patients may develop simultaneous loss of skeletal muscle and gain of adipose tissue, culminating in a condition of "sarcopenic obesity".

As highlighted by a recent systematic review and meta-analysis [Van Vgut 2017] all the studies on the impact of sarcopenia/sarcopenic obesity and myosteatosis in cirrhotic patients are retrospective studies, mostly involving non-consecutive patients on the list for liver transplantation. Moreover, most of the studies were produced by non-European centers (Canadians,Americans, and Japanese) that published more papers on the same patient series. All these factors have led to a possible selection bias.

Furthermore, the methods used to evaluate sarcopenia and myosteatosis were not homogeneous (the entire muscle area, or area of the psoas or psoas diameter) as well as the cut-offs used.

For these reasons, we propose a multicentric observational prospective study aimed at analyzing the impact of sarcopenia, sarcopenic obesity and myosteatosis in cirrhotic patients not listed for liver transplantation.

Primary endpoint:

- Evaluation of the impact of sarcopenia on the mortality of cirrhotic patients not on the waiting list for liver transplantation.

Secondary end-point:

- Evaluation of the impact of sarcopenic obesity and myosteatosis on the mortality of cirrhotic patients not on the waiting list for liver transplantation.

- Evaluation of the impact of sarcopenia/sarcopenic obesity and myosteatosis on the development of complications (hepatic encephalopathy, bacterial infections, ascites, GI bleeding) in cirrhotic patients not on the waiting list for liver transplantation.

- Evaluation of the impact of sarcopenia/sarcopenic obesity and myosteatosis on the number of admissions and the days of hospitalization for such complications.

- Evaluation of the subcutaneous fat impact on mortality and morbidity of cirrhotic patients not on the waiting list for liver transplantation.

- Concordance analysis of the various methods used (different cut-off/area psoas vs. area of all muscles) for the diagnosis of sarcopenia through the analysis of CT scan.


Description:

Malnutrition is a common figure associated with liver cirrhosis with an incidence ranging from 5% to 99% of patients depending on the population studied and diagnostic tools used for the diagnosis [Amodio Hepatology 2013; Merli ESPEN; Merli 2013]. Several factors are involved in the pathogenesis of malnutrition in the patient with liver cirrhosis as an inadequate dietary intake, altered nutrient uptake and alterations in the use of the substrate due to liver disease [Tandon P 2017, Plauth M 2002]. Furthermore, a variety of acute events and complications can reduce then patient's ability to take care of their food intake [Plauth M2002]. Malnutrition is associated with an increased risk of mortality, higher prevalence of portal hypertension-related complications and infections, as well as longer in hospital stay [Merli 1996, Merli 2010, Merli 2013, Tandon P Liver Transplant 2012, Montano-Loza 2012].

The main component of malnutrition in liver cirrhosis is represented by sarcopenia, a condition of a progressive and generalized loss of muscle mass and strength [Dasarathy S 2012, Montano-Loza AJ 2012, Cruz-jentoft AJ 2010]. Many studies have reported that sarcopenia is an independent predictor of morbidity and mortality in cirrhotic patients [Merli 2013, Tandon P Liver Transplant 2012, Montano-Loza 2012].

Moreover, while overweight and obesity are endemic in Western countries, these conditions have been associated with the development of chronic liver disease, worsening of liver fibrosis and progression to cirrhosis [Everhart JE 2009; Raynard B 2002]; furthermore, the body mass index(BMI) has been considered an independent risk factor for the development of decompensation among cirrhotic patients of all causes [Berzigotti A 2010].

Cirrhotic patients may develop simultaneous loss of skeletal muscle and gain of adipose tissue, culminating in a condition of "sarcopenic obesity" [Montano-Loza AJ 2016]. This observation is relevant because, despite its important role in the prognosis of cirrhosis, sarcopenia in cirrhotic patients is frequently overlooked as body composition assessments can be challenging in cirrhotic patients with fluid retention or who are overweight or frankly obese [O'Brein 2008]. In addition, muscle depletion is characterized by both a reduction in muscle size and an increased proportion of intermuscular and intramuscular fat denominated 'myosteatosis' [Montano-Loza AJ 2016]. Myosteatosis increases with age and adiposity and it is associated with metabolic abnormalities, decreased strength and mobility [Montano-Loza AJ 2016, Correa-de-Araujo R 2017].

Montano-Loza and colleagues showed that cirrhotic patients with sarcopenic obesity or myosteatosis had worse median survival compared to those patients with normal body composition [Montano‐ Loza A J 2016]. In previous work, Kabori et al. demonstrated an association between myosteatosis and the prevalence of diabetes mellitus in patients undergoing hepatocellular carcinoma resection [Kaibori M 2015].

Assessment of sarcopenia and myosteatosis The European Consensus Statement has identified computed tomography (CT) as the gold standard for the detection of muscle wasting in clinical trials [Cruz-Jentoft 2010] nevertheless in clinical practice, the execution of CT and MRI is difficult to be justified only for quantifying muscle mass.

However, most cirrhotic patients have imaging for surveillance of focal liver lesions, hepatocellular carcinoma, vascular disease and pre-transplant evaluation [Dasarathy 2016]. CT is more commonly used as some software enables specific tissue demarcation using precise HU thresholds [Mitsiopoulos 1998]. There is excellent reliability between different software systems, with a good reproducibility between the software package [Irving 2007]. Although heterogeneity in the literature also exists about the abdominal muscles measured (psoas or total abdominal wall) and the site of measurements (third or fourth lumbar vertebra) [Carey 2017], the measurement of the abdominal muscle area at L3-L4 is considered the gold standard due to the relative independence from the activity level and water retention [Montano-Loza 2012].

CT images have been also the most utilized as a research tool to investigate myosteatosis. It is basically assessed indirectly using muscle attenuation calculated, leading to a close correlation with direct measurements of muscle lipid content [Machann et al., 2003; Larson-Meyer et al., 2006].

Muscle radiation attenuation is a radiological characteristic that can be measured with Hounsfield units (HU) [Goodpaster et al., 2000; Goodpaster, 2002]. When muscle cross-sectional area and attenuation are reported, the most common practice is to use pre-established HU ranges to define intermuscular fat (usually −190 to −30 HU) and muscle tissue (usually −29 HU to 150 HU) [Aubrey et al., 2014].

As highlighted by a recent systematic review and meta-analysis [Van Vgut 2017] all the abovementioned studies on the impact of sarcopenia/sarcopenic obesity and myosteatosis in cirrhotic patients are retrospective studies, mostly involving non-consecutive patients on the list for liver transplantation. Moreover, most of the studies were produced by non-European centers (Canadians,Americans, and Japanese) that published more papers on the same patient series. All these factors have led to a possible selection bias.

Furthermore, the methods used to evaluate sarcopenia and myosteatosis were not homogeneous (the entire muscle area, or area of the psoas or psoas diameter) as well as the cut-offs used.

AIMS and ENDPOINT For these reasons, we propose a multicentric observational prospective study aimed at analyzing the impact of sarcopenia, sarcopenic obesity and myosteatosis in cirrhotic patients not listed for liver transplantation.

Primary endpoint:

- Evaluation of the impact of sarcopenia on the mortality of cirrhotic patients not on the waiting list for liver transplantation.

Secondary end-point:

- Evaluation of the impact of sarcopenic obesity and myosteatosis on the mortality of cirrhotic patients not on the waiting list for liver transplantation.

- Evaluation of the impact of sarcopenia/sarcopenic obesity and myosteatosis on the development of complications (hepatic encephalopathy, bacterial infections, ascites, GI bleeding) in cirrhotic patients not on the waiting list for livertransplantation.

- Evaluation of the impact of sarcopenia/sarcopenic obesity and myosteatosis on the number of admissions and the days of hospitalization for such complications.

- Evaluation of the subcutaneous fat impact on mortality and morbidity of cirrhotic patients not on the waiting list for liver transplantation.

- Concordance analysis of the various methods used (different cut-off/area psoas vs. area of all muscles) for the diagnosis of sarcopenia through the analysis of CT scan.

PATIENTS Collection of a large national cohort of patients with liver cirrhosis not listed for liver transplantation, undergoing CT-scan abdomen based on different indications (with or without contrast). Each center needs to enroll at least 10 patients within 6 months for an estimate of at least 20 participating Italian centers.

INCLUSION CRITERIA: all patients with liver cirrhosis (age 40 - 75 years) undergoing abdominal CT-scan including the third lumbar L3 vertebrae for the clinical indication (surveillance of focal liver lesions, vascular evaluation, pre-transplant evaluation, pre-TIPS evaluation.) will be considered for the enrollment.


Recruitment information / eligibility

Status Recruiting
Enrollment 374
Est. completion date January 1, 2022
Est. primary completion date July 5, 2020
Accepts healthy volunteers No
Gender All
Age group 40 Years to 75 Years
Eligibility Inclusion Criteria:

all patients with liver cirrhosis (age 40 - 75 years) undergoing abdominal CT-scan including the third lumbar L3 vertebrae for the clinical indication (surveillance of focal liver lesions, vascular evaluation, pre-transplant evaluation, pre-TIPS evaluation.) will be considered for the enrollment.

Exclusion Criteria:

1. Active list for liver transplantation (LT) (patients at evaluation for LT will beenrolled);

2. hepatocellular carcinoma HCC;

3. previous LT or listing for multivisceral or living-related LT;

4. concomitant neuromuscular disease;

5. Patients with acute or subacute liver failure without underlying cirrhosis;

6. Evidence of current malignancy except for non-melanocytic skin cancer;

7. Presence or history of severe extra-hepatic diseases (e.g., chronic renal failure requiring hemodialysis, severe heart disease (NYHA III-IV); severe chronic pulmonary disease (GOLD > III), severe neurological and psychiatric disorders);

8. HIV-positive patients;

9. Patients who decline to participate or who cannot provide prior written informed consent and when there is documented evidence that the patient has no legal surrogate decision maker and it appears unlikely that the patient will regain consciousness or sufficient ability to provide delayed informed consent;

Study Design


Intervention

Other:
none intervention type
This is an observational study, no intervention

Locations

Country Name City State
Italy Gastroenterology Department, Sapienza University of Rome Rome

Sponsors (1)

Lead Sponsor Collaborator
University of Roma La Sapienza

Country where clinical trial is conducted

Italy, 

Outcome

Type Measure Description Time frame Safety issue
Primary sarcopenia and mortality Evaluation of the impact of sarcopenia on the mortality of cirrhotic patients not on the waiting list for liver transplantation. 1 year
Secondary sarcopenic obesity/myosteatosis and mortality Evaluation of the impact of sarcopenic obesity and myosteatosis on the mortality of cirrhotic patients not on the waiting list for liver transplantation. 1 year
Secondary sarcopenia, sarcopenic obesity/myosteatosis and complication of liver disease Evaluation of the impact of sarcopenia/sarcopenic obesity and myosteatosis on the development of complications (hepatic encephalopathy, bacterial infections, ascites, GI bleeding) in cirrhotic patients not on the waiting list for livertransplantation. 1 year
Secondary Methods Concordance Concordance analysis of the various methods used (different cut-off/area psoas vs. area of all muscles) for the diagnosis of sarcopenia through the analysis of CT scan. 1 year
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