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The objective of the study is to evaluate the influence of vitamin D supplementation on Serum Brain Derived Neurotrophic Factor level and cognitive function in schizophrenia treated with atypical antipsychotic. Methods: The investigator will use randomized controlled trial design. 40 chronic schizophrenia patients with vitamin D insufficiency or deficiency treated with atypical antipsychotic, will be randomly assign (1:1 ratio) to receive either daily oral cholecalciferol 2000 IU or placebo for 8 weeks. Assessment of BDNF serum and cognitive function will be performed at baseline and after 8 weeks period.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo | Placebo Comparator | Oral placebo daily for 8 weeks |
|
| Vitamin D | Active Comparator | Vitamin D Cholecalciferol 2000 IU oral daily for 8 weeks |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Cholecalciferol | Drug | cholecalciferol 2000 IU oral daily for 8 weeks |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Cognitive Function | cognitive function as measured with standard cognitive battery | At the end of week 8 |
| Measure | Description | Time Frame |
|---|---|---|
| BDNF serum level | BDNF serum level as measured with ELISA method | At the end of week 8 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Tuti Kurnianingsih, MD | Contact | +62 812 232 9249 | kurniatuti@gmail.com |
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| ID | Term |
|---|---|
| D012559 | Schizophrenia |
| ID | Term |
|---|---|
| D019967 | Schizophrenia Spectrum and Other Psychotic Disorders |
| D001523 | Mental Disorders |
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| ID | Term |
|---|---|
| D002762 | Cholecalciferol |
| ID | Term |
|---|---|
| D002782 | Cholestenes |
| D002776 | Cholestanes |
| D013256 | Steroids |
| D000072473 | Fused-Ring Compounds |
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Randomized Controlled Trial
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| Placebo |
| Drug |
Oral placebo daily for 8 weeks |
|
| D011083 |
| Polycyclic Compounds |
| D013261 | Sterols |
| D014807 | Vitamin D |
| D012632 | Secosteroids |
| D008563 | Membrane Lipids |
| D008055 | Lipids |