- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00013598
Treatment of Nonalcoholic Steatohepatitis With Pioglitazone
This study will evaluate the effectiveness of pioglitazone, a new diabetes medicine, on decreasing insulin resistance and improving liver disease in patients with nonalcoholic steatohepatitis (NASH). NASH is a chronic liver disease with unknown cause that involves fat accumulation and inflammation in the liver, leading to liver cirrhosis in 10 to 15 percent of patients and significant liver scarring in another 30 percent. Although similar to a condition that affects people who drink excessive amounts of alcohol, NASH occurs in people who drink only minimal or no alcohol. It is most often seen in patients with insulin resistance. Pioglitazone decreases insulin resistance and improves blood lipid (fat) levels, so that it may improve liver disease in NASH.
Patients with NASH 18 years of age or older may be eligible for this study. Candidates will be screened with a medical history and physical examination and routine blood tests. They will see a dietitian for counseling on diet and weight reduction, if needed. They will stop taking any medications for liver disease and take a daily multivitamin pill. After 2 months, those eligible for participation will be enrolled in the study.
Participants will be admitted to the Clinical Center for 2 to 3 days for a complete medical history, physical examination, blood tests, urinalysis, chest X-ray, electrocardiogram, abdominal ultrasound and a liver biopsy. After the diagnosis of NASH is confirmed, the following procedures will be performed:
- Echocardiography - imaging test using sound waves shows the heart structure and function
- Resting metabolic rate - measures amount of oxygen (and calories) used to maintain body functions at rest. While lying down, the patient wears a clear plastic hood over the head for 20 minutes while the amount of oxygen used is measured.
- Magnetic resonance imaging (MRI) scans - shows the size of the liver and other organs. The patient lies on a table in a metal cylinder that contains a magnetic field (the scanner) for no more than 30 minutes while the organs are imaged.
- Dual energy X-ray absorptiometry (DEXA) scan measures whole body composition, including amount of fat. The patient lies under an X-ray scanning machine for about 2 minutes.
- Oral glucose tolerance test (OGTT) - measures blood sugar and insulin levels. The patient drinks a very sweet drink containing glucose (sugar), after which blood samples are collected at various intervals during the 3-hour test. The blood is drawn through a catheter (thin plastic tube) placed in the arm before the test begins.
- Intravenous glucose tolerance test (IVGTT) - determines how the tissues respond to insulin and glucose. Glucose is injected into a vein, followed by a short infusion of insulin. Blood samples are collected through a catheter at various intervals during the 3-hour test.
When the above procedures are completed, patients start taking pioglitazone by mouth once a day for 48 weeks, keeping track of the medication and any side effects. They will be seen at the clinic every 2 weeks for the first month and then every 4 weeks for the rest of the treatment period. The visits will include an interview and examination by a physician and blood draw for laboratory tests. Female patients will have a pregnancy test at each clinic visit. At the end of the treatment period patients will be admitted to the Clinical Center for a repeat medical evaluation that will include the procedures described above.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment
Phase
- Phase 2
Contacts and Locations
Study Locations
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Maryland
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Bethesda, Maryland, United States, 20892
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- ADULT
- OLDER_ADULT
- CHILD
Accepts Healthy Volunteers
Genders Eligible for Study
Description
INCLUSION CRITERIA
Age at entry of at least 18 years.
Serum alanine or aspartate aminotransferase activities that are above the upper limit of normal.
Evidence of chronic steatohepatitis, on liver biopsy done within the previous 12 months. Histologic criteria of steatohepatitis: diffuse, chronic liver disease characterized by (1) macrovesicular steatosis, (2) inflammation or evidence of hepatocellular drop-out, and (3) acinar zone 3 hepatocellular injury (ballooning degeneration). Additionally helpful, but not required, features include the presence of Mallory's hyalin and pericellular/sinusoidal fibrosis that predominantly involves zone 3.
Absence of other forms of liver disease.
Absence of significant alcohol consumption (less than 7 drinks per week during the previous year).
Written informed consent.
EXCLUSION CRITERIA
Evidence of another form of liver disease.
Hepatitis B as defined as presence of hepatitis B surface antigen (HBsAg).
Hepatitis C as defined by presence of hepatitis C virus (HCV) RNA in serum.
Autoimmune hepatitis as defined by anti-nuclear antibody (ANA) of 1:160 or greater and liver histology consistent with autoimmune hepatitis or previous response to immunosuppressive therapy.
Autoimmune cholestatic liver disorders as defined by elevation of alkaline phosphatase and anti-mitochondrial antibody of greater than 1:80 or liver histology consistent with primary biliary cirrhosis or elevation of alkaline phosphatase and liver histology consistent with sclerosing cholangitis.
Wilson disease as defined by ceruloplasmin below the limits of normal and liver histology consistent with Wilson disease.
Alpha-1-antitrypsin deficiency as defined by alpha-1 antitrypsin level less than normal and liver histology consistent with alpha-1-antitrypsin deficiency.
Hemochromatosis as defined by presence of 3+ or 4+ stainable iron on liver biopsy and homozygosity for C282Y or compound heterozygosity for C282Y/H63D.
Drug-induced liver disease as defined on the basis of typical exposure and history.
Bile duct obstruction as shown by imaging studies.
History of excess alcohol ingestion, averaging more than 30 gm/day (3 drinks per day) in the previous 10 years, or history of alcohol intake averaging greater than 10 gm/day (1 drink per day: 7 drinks per week) in the previous one year.
Contraindications to liver biopsy: platelet counts less than 75,000/mm(3) or prothrombin time greater than 16 seconds.
Decompensated liver disease, Child-Pugh score greater than or equal to 7 points.
History of gastrointestinal bypass surgery or ingestion of drugs known to produce hepatic steatosis including corticosteroids, high-dose estrogens, methotrexate, tetracycline or amiodarone in the previous 6 months.
Presence of diabetes mellitus as defined by: fasting plasma glucose of greater than or equal to 126 mg/dl or diabetic symptoms with a random plasma glucose of greater than or equal to 200 mg/dl.
Use of antidiabetic drugs, including insulin, biguanides, sulfonylureas, or thiazolidinediones in the previous 6 months.
Significant systemic or major illnesses other than liver disease, including congestive heart failure, coronary artery disease, cerebrovascular disease, pulmonary disease, renal failure, organ transplantation, serious psychiatric disease, malignancy that, in the opinion of the investigator would preclude treatment with pioglitazone and adequate follow up.
Positive test for anti-HIV.
Active substance abuse, such as alcohol, inhaled or injection drugs within the previous one year.
Pregnancy or inability to practice adequate contraception in women of child-bearing potential.
Evidence of hepatocellular carcinoma: alphafetoprotein levels greater than 200 ng/ml and/or liver mass on imaging study that is suggestive of liver cancer.
Any other condition which, in the opinion of the investigators would impede competence or compliance or possibly hinder completion of the study.
History of hypersensitivity reactions to thiazolidinediones.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
Collaborators and Investigators
Publications and helpful links
General Publications
- Ludwig J, Viggiano TR, McGill DB, Oh BJ. Nonalcoholic steatohepatitis: Mayo Clinic experiences with a hitherto unnamed disease. Mayo Clin Proc. 1980 Jul;55(7):434-8.
- Bacon BR, Farahvash MJ, Janney CG, Neuschwander-Tetri BA. Nonalcoholic steatohepatitis: an expanded clinical entity. Gastroenterology. 1994 Oct;107(4):1103-9. doi: 10.1016/0016-5085(94)90235-6.
- Powell EE, Cooksley WG, Hanson R, Searle J, Halliday JW, Powell LW. The natural history of nonalcoholic steatohepatitis: a follow-up study of forty-two patients for up to 21 years. Hepatology. 1990 Jan;11(1):74-80. doi: 10.1002/hep.1840110114.
Study record dates
Study Major Dates
Study Start
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 010130
- 01-DK-0130
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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