Vitamin D Supplementation in Psychiatric Illnesses (VDSS)
Effect of Vitamin D Supplementation on the Metabolic Abnormalities of Second Generation Antipsychotics in Children and Adolescents
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Massachusetts
-
Worcester, Massachusetts, United States, 01655
- University of Massachusetts Medical School
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Males/females between the ages 10 through 18 years,
- Subjects with Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition (DSM-IV)[62] Axis 1 diagnosis who are on treatment with SGA. These conditions include schizophrenia, schizo-affective disorder, and psychosis,
- Subjects who have gained 10% of their pre-drug body weight while receiving the following SGAs: risperidone, aripiprazole, clozapine, quetiapine and olanzapine. Subjects could be taking other psychotropic agents, but only one SGA,
- All subjects will be able to take the prescribed vitamin D by mouth,
- All subjects will have a 25-hydroxyvitamin D level of < 32 ng/mL,
- All subjects must reside in an in-patient psychiatric facility.
Exclusion Criteria:
- Pregnant or lactating women,
- Patients with mental retardation (intelligence quotient < 50),
- Subjects with specific systemic diseases such as diabetes mellitus, liver and kidney diseases,
- Subjects with known history of parathyroid disorder,
- Subjects with acquired or congenital disorders of vitamin D metabolism,
- Subjects on calcium and vitamin D replacement therapy, such as calcium carbonate, or ergocalciferol, or cholecalciferol,
- Subjects taking any weight loss medications, such as orlistat, and sibutramine,
- Subjects on medications that might affect glucose levels, such as insulin or metformin.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Vitamin D
|
2000 international units by mouth daily for 8 weeks.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change in Weight
Time Frame: Baseline and 8 weeks
|
Baseline and 8 weeks
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Insulin Resistance as Measured by HOMA-IR at Baseline and Post-treatment
Time Frame: Baseline and 8 weeks
|
HOMA-IR: It is calculated multiplying fasting plasma insulin (FPI) by fasting plasma glucose (FPG), then dividing by the constant 22.5, i.e. HOMA-IR = (FPI×FPG)/22.5 |
Baseline and 8 weeks
|
|
Changes in Serum Levels of C-reactive Protein.
Time Frame: Baseline and 8 weeks
|
Baseline and 8 weeks
|
|
|
HDL-cholesterol at Baseline and Post-treatment
Time Frame: Baseline and 8 weeks
|
Baseline and 8 weeks
|
|
|
LDL-cholesterol at Baseline and Post-treatment
Time Frame: Baseline and 8 weeks
|
Baseline and 8 weeks
|
|
|
Total Cholesterol at Baseline and Post-treatment
Time Frame: Baseline and 8 weeks
|
Baseline and 8 weeks
|
|
|
Triglycerides at Baseline and Post-treatment
Time Frame: Baseline and 8 weeks
|
Baseline and 8 weeks
|
|
|
Adiponectin at Baseline and Post-treatment
Time Frame: Baseline and 8 weeks
|
Baseline and 8 weeks
|
|
|
Leptin at Baseline and Post-treatment
Time Frame: Baseline and 8 weeks
|
Baseline and 8 weeks
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Benjamin U Nwosu, MD, University of Massachusetts, Worcester
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Mental Disorders
- Nutrition Disorders
- Schizophrenia Spectrum and Other Psychotic Disorders
- Avitaminosis
- Deficiency Diseases
- Malnutrition
- Schizophrenia
- Psychotic Disorders
- Vitamin D Deficiency
- Physiological Effects of Drugs
- Micronutrients
- Vitamins
- Bone Density Conservation Agents
- Calcium-Regulating Hormones and Agents
- Vitamin D
- Ergocalciferols
Other Study ID Numbers
Other Study ID Numbers
- Docket #13212
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