Ramelteon as an Adjunct Therapy in Non-Diabetic Patients With Schizophrenia

Schizophrenia Clinical Trial

Official title:

Phase IV Study of Ramelteon as an Adjunct Therapy in Non-Diabetic Patients With Schizophrenia

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT00595504
• Other study ID #: 2007P-001929
• Secondary ID: FWA00003136
• Status: Completed
• Phase: Phase 4
• First received: January 7, 2008
• Last updated: August 14, 2012
• Start date: January 2008
• Est. completion date: March 2010

Study information

• Verified date: August 2012
• Source: Massachusetts General Hospital
• Contact: n/a
• Is FDA regulated: No
• Health authority: United States: Food and Drug Administration
• Study type: Interventional

Clinical Trial Summary

This study involves people who have schizophrenia or schizoaffective disorder who are currently taking antipsychotic medications. Some antipsychotic medications may cause weight gain and may increase the risk of diabetes mellitus and heart disease.The purpose of this study is to find out what happens if another medication (ramelteon) is used along with your antipsychotic medication. We want to find out whether doing this will:

• Change the way your body breaks down fat and sugar.

• Affect your waist size, stomach fat and triglycerides (a type of fat in your blood).

• Improve how your body responds to insulin.

• Affect your quality of sleep.

• Reduce movement disturbances Ramelteon is approved by the U.S. Food and Drug Administration (FDA) to treat people that have difficulty falling asleep. It is not approved for such things as affecting waist size or improving how the body breaks down fat and sugar. Its use in this study is investigational.

Description:

This is an 8-week randomized, double blind, placebo-controlled pilot study with 4- week follow up assessment, of ramelteon 8 mg/day, administered to subjects for 8 consecutive weeks as an adjunctive therapy in 40 non-diabetic schizophrenia subjects to examine ramelteon effects on body composition, glucose and lipid metabolism, sleep quality and symptoms of tardive dyskinesia using the Massachusetts General Hospital General Clinical Research Center. As far as we know, no previous study has been done to explore the potential role of ramelteon in improving metabolic, sleep, and movement disturbances in schizophrenia subjects. The novel approach of adjunctive ramelteon treatment in the schizophrenia population is promising.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 25
• Est. completion date: March 2010
• Est. primary completion date: March 2010
• Accepts healthy volunteers: No
• Gender: Both
• Age group: 18 Years to 65 Years

Eligibility

Inclusion Criteria:

• diagnosis of schizophrenia, schizoaffective disorder, any subtype or schizophreniform disorder

• male or female, age 18-65 years

• treatment with clozapine, olanzapine, quetiapine or risperidone

• well established compliance with medications

• Body Mass Index (BMI) of > 27 Kg/m² with any component of metabolic syndrome or insulin resistance or a BMI of > 30 Kg/m²:

Exclusion Criteria:

• inability to provide informed consent

• substance and alcohol abuse

• significant medical illness, including congestive heart failure, severe hepatic impairment, severe Chronic Obstructive Pulmonary Disease (COPD), severe sleep apnea, severe cardiovascular disease or renal disease

• current history of diabetes mellitus or thyroid disease

• women who are pregnant, breastfeeding, or who are unwilling or unable to use an effective form of birth control during the entire study

• psychiatrically unstable, patients with major depression

• patients treated with medications known to affect glucose tolerance such as birth control pills containing norgestrel, steroids, beta blockers, anti-inflammatory drugs (including daily aspirin and ibuprofen), thiazide diuretics; and agents that induce weight loss will be excluded from the study

• treatment with fluvoxamine in the or ketoconazole past two weeks

• treatment with fluconazole (a strong CYP2C9 inhibitor).

• subjects treated with ziprasidone and aripiprazole conventional agents

• treatment with sedative-hypnotics such as barbiturates, zolpidem, eszopiclone, zaleplon. The use of stable daily doses of benzodiazepines is allowed.

• known hypersensitivity to ramelteon or any of its components

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacodynamics Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

• Disease
• Psychotic Disorders
• Schizoaffective Disorder
• Schizophrenia
• Schizophreniform Disorders

Intervention

Drug:
• Ramelteon
Two week supply of ramelteon 8mg/day first dispensed at baseline. New two week supply of study medication dispensed at each biweekly visit for 8 consecutive weeks.
• Placebo
Two week supply of placebo tablets first dispensed at baseline. New two week supply of placebo dispensed at each biweekly visit for 8 consecutive weeks.

Locations

Country	Name	City	State
United States	Freedom Trail Clinic	Boston	Massachusetts

Sponsors (2)

Lead Sponsor	Collaborator
Massachusetts General Hospital	Takeda

Country where clinical trial is conducted

United States, 

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* Note: There are 62 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Change in Waist Circumference	A comparison between the ramelteon group and the placebo group in change in waist circumference (measured in cm) measured at Baseline and Week 8.	Baseline and Week 8	Yes
Primary	Change in Insulin Resistance as Measured by the Homeostatic Model Assessment of Insulin Resistance (HOMA-IR).	A comparison between the ramelteon group and the placebo group of change in insulin resistance measured by the homeostatic model assessment of insulin resistance (HOMA-IR), assessed at Baseline and Week 8.	Baseline and Week 8	Yes
Primary	Change in Abdominal Fat (DEXA).	A comparison between the ramelteon group and the placebo group of change in abdominal fat measured by a DEXA scan, assessed at Baseline and Week 8.	Baseline and Week 8	Yes