The Efficacy and Safety of Pioglitazone in Patients With Nonalcoholic Steatohepatitis

2014-08-27 03:15:55 | BioPortfolio


Recent studies have demonstrated that PPARγ as well as diet control could improve glycemic control, decrease serum ALT level, decrease hepatic fat distribution, and increase intrahepatic insulin sensitivity. The purposes of this study are:

1. Primary aims:

1. Comparison between Pioglitazone and placebo groups in terms of steatosis and liver function tests.

2. Evaluation of clinical safety of Pioglitazone

2. Secondary aims:

1. Comparison between Pioglitazone and placebo groups in terms of liver necroinflammation and fibrosis.

2. The impact of Pioglitazone on the related metabolic index, including insulin resistance(HOMA-IR), newly-onset diabetes, metabolic syndrome, lipid profiles (T-Chol, HDL-C, LDL-C, TG).

3. Comparison between Pioglitazone and placebo groups in terms of high-sensitive C-reactive protein changes.

3. Interventional aim: Assessment the association between magnetic resonance imaging study and intrahepatic fat distribution before and after Pioglitazone treatment.


Pioglitazone belongs to thiazolidinediones and anti-diabetes drug which decreases the insulin resistance. It increases the use of glucose of peripheral tissues and decrease the production of glucose from liver and dose not influence the production of insulin. It is agonist of peroxisome proliferator-activated receptor-gamma (PPARγ) and by binding to the receptors of PPARγ in various tissues it has effects on transcription of the insulin-dependent gene. In animal model, pioglitazone has shown to influence the metabolism by the insulin-dependent mechanism.

Recent studies have demonstrated that PPARγ as well as diet control could improve glycemic control, decrease serum ALT level, decrease hepatic fat distribution, and increase intrahepatic insulin sensitivity. Meanwhile, PPARγ could also prevent the development of alcohol-induced steatohepatitis, improve hepatic necroinflammatory activity, and decrease lipid deposition. It is not yet clearly known how the effect of P-PARγ agonist among Asian peoples.

Study Design

Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment




Pioglitazone, placebo


Kaohsiung Medical University Hospital




Kaohsiung Medical University Chung-Ho Memorial Hospital

Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:15:55-0400

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Medical and Biotech [MESH] Definitions

INFLAMMATION of the LIVER in humans due to infection by VIRUSES. There are several significant types of human viral hepatitis with infection caused by enteric-transmission (HEPATITIS A; HEPATITIS E) or blood transfusion (HEPATITIS B; HEPATITIS C; and HEPATITIS D).

A family of hepatotropic DNA viruses which contains double-stranded DNA genomes and causes hepatitis in humans and animals. There are two genera: AVIHEPADNAVIRUS and ORTHOHEPADNAVIRUS. Hepadnaviruses include HEPATITIS B VIRUS, duck hepatitis B virus (HEPATITIS B VIRUS, DUCK), heron hepatitis B virus, ground squirrel hepatitis virus, and woodchuck hepatitis B virus (HEPATITIS B VIRUS, WOODCHUCK).

A species in the genus HEPATOVIRUS containing one serotype and two strains: HUMAN HEPATITIS A VIRUS and Simian hepatitis A virus causing hepatitis in humans (HEPATITIS A) and primates, respectively.

INFLAMMATION of the LIVER in humans caused by HEPATITIS DELTA VIRUS, a defective RNA virus that can only infect HEPATITIS B patients. For its viral coating, hepatitis delta virus requires the HEPATITIS B SURFACE ANTIGENS produced by these patients. Hepatitis D can occur either concomitantly with (coinfection) or subsequent to (superinfection) hepatitis B infection. Similar to hepatitis B, it is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact.

INFLAMMATION of the LIVER in humans caused by HEPATITIS C VIRUS, a single-stranded RNA virus. Its incubation period is 30-90 days. Hepatitis C is transmitted primarily by contaminated blood parenterally, and is often associated with transfusion and intravenous drug abuse. However, in a significant number of cases, the source of hepatitis C infection is unknown.

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