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Salsalate for the Treatment of Insulin Resistance in People With Schizophrenia

This study is currently Recruiting

November 2010 By University of Maryland

First Recieved on August 13, 2010

Last Updated on November 29, 2010

Sponsor: University of Maryland
Collaborators: Department of Veterans Affairs
Information provided by: University of Maryland
Identifier: NCT01182727

Purpose

Being obese is a common problem for people with schizophrenia. People with schizophrenia are more likely to be overweight compared to the general population. Being overweight is a major risk factor for developing type II diabetes. Approximately 15% of people with schizophrenia have type II diabetes. People with type II diabetes have problems with their body's insulin. Insulin is a hormone produced by the body to control blood sugar level. Obesity and type II diabetes are strong risk factors for heart disease. In type II diabetes the body does not respond to insulin correctly. Obesity, type II diabetes, and insulin resistance are all common states of inflammation. Inflammation is a reaction by the body to irritation, injury, or infection. Salicylates are non-steroidal anti-inflammatory drugs. Aspirin is an example of a salicylate. These drugs work by decreasing the level of inflammation in the body. Salicylates have been shown to decrease inflammation and improve the body's response to insulin. Improving the body's response to insulin and decreasing inflammation could possibly reduce the risk of developing type II diabetes. Salicylates have been known for years to be effective for the treatment of diabetes. Salicylates increase the body's response to insulin causing blood sugar levels to decrease. Many salicylate drugs have side effects including stomach irritation and increased risk of bleeding. The drug for this study is called salsalate and is different from other salicylates. Salsalate has a lower bleeding risk than aspirin. Salsalate has been used to treat arthritis and has been shown to be safe. There have been no studies using salsalate in people with schizophrenia. The purpose of this study is to gain experience in the use of salsalate in people with schizophrenia. The study would be a pilot study to obtain preliminary data. The study would be a 6-week study where everyone in the study would receive the drug salsalate. The participants in the study will have tests of baseline symptoms of schizophrenia, a physical exam, EKG (to check heart function), and a side effect checklist for possible side effects from salsalate. The study will also have some blood drawn to measure blood sugar levels, insulin levels, and inflammatory markers.

Study Type: Interventional
Study Design: Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Eligibility

Ages Eligible for Study:18 Years
Genders Eligible for Study:Both
Accepts Healthy Volunteers:No
Criteria

Inclusion Criteria: - DSM-IV TR diagnosis of schizophrenia or schizoaffective disorder - Body Mass Index (BMI) greater than or equal to 27 kg/m2 - Participant will be judged to be clinically stable - Participants will be treated with the same antipsychotic for at least 90 days and will have received a constant therapeutic dose for at least 20 days prior to study entry. There will not be any restriction on the type of antipsychotic with which the participant is treated. - Participants must be judged competent to participate in the informed consent process and provide voluntary informed consent. Exclusion Criteria: - Individuals with aspirin allergy. - Individuals with pre-existing tinnitus. - Individual with anemia or thrombocytopenia. - Individuals with ongoing infections. - Individuals with history of autoimmune disease. - Individuals with peptic ulcer disease or gastritis. - Individuals with weight loss greater than 5% over the past 6 months. - Individuals currently taking immunosuppressive drugs including corticosteroids. - Individuals taking anti-diabetic agents. - Individuals taking non-steroidal anti-inflammatory agents (other than low dose aspirin). - Individuals with organic brain disorder; mental retardation; or medical conditions whose pathology or treatment would alter the presentation or treatment of schizophrenia or significantly increase the risk associated with the proposed treatment protocol. - Pregnant females. - Individuals who meet DSM-IV TR criteria for alcohol or substance dependence (except nicotine) within the last 6 months. - Individuals who meet DSM-IV TR criteria for alcohol or substance abuse (except nicotine) within the last month.

Investigators

  • Investigator: Robert W Buchanan, MD - Principal Investigator - University of Maryland School of Medicine Maryland Psychiatric Research Center

Locations

  • Maryland Psychiatric Research Center

    Baltimore, Maryland 21228 United States

  • Baltimore VA Medical Center

    Baltimore, Maryland 21201 United States

Conditions related to this trial:

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