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NCT Number: NCT01785082

Fast-track LiveR: Study for the Early Identification of Low-risk Patients After Partial Liver Resection by the LiMAx-test

The purpose of this study is to investigate safety and efficacy of intravenously injected 0.4% 13-C-Methacetin solution for the determination of liver function with the LiMAx-test on patients with partial liver resection. The LiMAx-test is compared with an untreated control group and post-surgical management of both groups is investigated.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Dept. of General-, Visceral- and Graft Surgery, Charité Campus Virchow-Hospital, Berlin, Germany

Loading trial locations.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • male or female patients of 18 years or older which are able to give informed consent with indication for surgical partial liver resection according to OPS code 5-502; this includes benign and malign tumors.
  • patients with pre-surgical thin-layer CT or MRT of the liver not older than 6 weeks or patients where a pre-surgical thin-layer CT or MRT of the liver is planned before surgery.
  • written informed consent

Exclusion criteria

at screening:

  • anamnestic known hypersensitivity against one of the study drugs, their ingredients or drugs with chemically similar structure (in particular paracetamol)
  • participation in another clinical trials within 4 weeks before inclusion
  • patients with previous liver surgery (OPS-Code 5-502), including biliodigestive anastomosis, excluding cholecystectomy.
  • patients which underwent interventions such as radiofrequency ablation, biopsies or smaller surgeries within 6 weeks before inclusion
  • patients anticipated for biliodigestive anastomosis and/or suffering from a Klatskin-tumor
  • patients with a ASA (American Society of Anesthesiologists) classification >3
  • patients anticipated for laparoscopic partial liver resection
  • patients which are intended to be simultaneously treated with an interventional technique (e.g. radio frequency ablation RFA, embolization)
  • patients which are intended to simultaneously get a surgery on other organs (excluding cholecystectomy)
  • patients which are intended to simultaneously get a vascular anastomosis (e.g. portal vein resection)
  • patients with known hepatic cirrhosis or known severe fibrosis (e.g. Ishak-score grade >4)
  • patients with congenital metabolic diseases, in particular hepatic storage diseases
  • hepatic infection with Echinococcus multilocularis
  • patients with known non-infectious, auto-immune conditioned chronic inflammatory diseases (e.g. autoimmune hepatitis, Morbus Crohn, colitis ulcerativa)
  • patients with severe cardiovascular diseases and/or severe diseases of the respiratory system which receive intensive care in any case (e.g. heart surgery, bypass surgery, cardiac valve replacement, unstable angina pectoris, severe coronary heart disease with intervention during the last 6 months, severe COPD (chronic obstructive pulmonary disease), severe asthma with concomitant cortisone medication)
  • patients with severe bacterial infection at screening
  • patients with known immunodeficiency
  • heavy smokers (>20 cigarettes a day)
  • patients which are unable to understand the study and its possible implications because of addiction or other diseases
  • patients who are suspected not to cooperate or to comply to the trial protocol
  • patients accommodated in an institution due to public or legal authority
  • pregnant or lactating women
  • women with child-bearing potential, excluding: negative pregnancy test and commitment to be sexually inactive until day 30 after surgery or discharge; postmenopause (12 months of natural occurring amenorrhoea); at least 6 weeks after ovariectomy with or without hysterectomy

at visit 2:

  • patients anticipated for laparoscopic partial liver resection
  • patients which are intended to be simultaneously treated with an interventional technique (e.g. radio frequency ablation RFA, embolization)
  • patients which are intended to simultaneously get a surgery on other organs (excluding cholecystectomy)
  • patients which are intended to simultaneously get a vascular anastomosis (e.g. portal vein resection)
  • patients with known hepatic cirrhosis or known severe fibrosis (e.g. Ishak-score grade >4)
  • hepatic infection with Echinococcus multilocularis
  • patients with severe cardiovascular diseases and/or severe diseases of the respiratory system which receive intensive care in any case (e.g. heart surgery, bypass surgery, cardiac valve replacement, unstable angina pectoris, severe coronary heart disease with intervention during the last 6 months, severe COPD (chronic obstructive pulmonary disease), severe asthma with concomitant cortisone medication)
  • patients anticipated for biliodigestive anastomosis and/or suffering from a Klatskin-tumor
  • patients with a ASA (American Society of Anesthesiologists) classification >3

Treatment and study plan

13-C-Methacetin

Drug

intravenous injection of 0.4% 13-C-Methacetin solution, once before partial liver resection, once after partial liver resection

Primary outcomes

  1. number of correctly determined positive patients in each trial group

    Time frame: no later than day 30 after surgery

    Correctly determined positive patients are patients which are transferred to general ward after surgery because of the result of the LiMAx-test (LiMAx-group) or general diagnosis (control group). Patients have to stay at general ward until discharge no later than day 30 after surgery.

Secondary outcomes

  1. number of incorrectly determined positive patients in each trial group

    Time frame: no later than day 30 after surgery

    Incorrectly determined positive patients are patients which are transferred to general ward after surgery because of the result of the LiMAx-test or general diagnosis (control group) and do not stay at general ward until discharge or are discharged later than 30 days after surgery.

  2. sensitivity

    Time frame: 1 year after trial start (anticipated December 2013)

    number of correctly predicted positive patients / (number of correctly predicted positive patients + number of incorrectly predicted negative patients)

  3. specificity

    Time frame: 1 year after trial start (anticipated December 2013)

    number of correctly predicted negative patients / (number of correctly predicted negative patients + number of incorrectly predicted positive patients)

  4. positive predictive value (PPV)

    Time frame: 1 year after trial start (anticipated December 2013)

    number of correctly predicted positive patients / (number of correctly predicted positive patients + number of incorrectly predicted positive patients)

  5. negative predictive value (NPV)

    Time frame: 1 year after trial start (anticipated December 2013)

    number of correctly predicted negative patients / (number of correctly predicted negative patients + number of incorrectly predicted negative patients)

  6. mortality

    Time frame: 1 year after trial start (anticipated December 2013)

    total mortality until day 30 post-surgical

  7. number of patients with post-surgical liver failure (PHLF)

    Time frame: 1 year after trial start (anticipated December 2013)

    PHLF according to the Rahbari-Score

  8. total number of complications

    Time frame: 1 year after trial start (anticipated December 2013)

    total number of complications of grade IIIa (surgical, endoscopic or radiological intervention) to grade V (death)

  9. changes of routine laboratory data

    Time frame: until day 30 after surgery

    assessment of clinical data (sodium, potassium, creatinine, urea, protein, albumin, total bilirubin, AST, ALT, AP, GGT, blood count, INR, PTT). In addition, clinical data as pulse or blood pressure are recorded.

Other outcomes

  1. pre- and post-surgical volumetric analysis of the liver

    Time frame: immediately pre and post surgery

    Pre-surgical volumetric analysis of liver and tumor by CT or MRT and post-surgical volumetric analysis of the resected liver.

Sponsors and collaborators

Lead sponsor

Humedics GmbH

Industry

Registry information

Official study title

Prospective, Randomized, Controlled, Multi-centric, Phase III Study for the Early Identification of Low-risk Patients After Partial Liver Resection by the LiMAx-test

Important dates

Study start
2013
Primary completion
2015
Study completion
2015
First posted
Feb 7, 2013
Registry last updated
Oct 25, 2018

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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