Effectiveness of Ascorbic Acid and Tocopherol for Depression in Elderly.
Phase II, Double-blind, Randomized, 1-way Cross-over, to Investigate the Effectiveness of the Combination of Ascorbic Acid (Vitamin C) and Tocopherol (Vitamin E) Versus Placebo for the Treatment of Depressive Disorders in Elderly
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Objective: To evaluate the effect of the combination of the antioxidant Ascorbic acid and tocopherol, as therapy of the depressive disorder in the elderly.
- Design: Pilot clinical trial, Phase II , 6-month randomized, double-blind placebo-controlled one-way crossover clinical trial, with two treatment periods of 12 weeks duration.
- Setting: Regional University Hospital, Malaga.
- Subjects: people older tan 55 years diagnosed with depression.
- Intervention: 50 participants randomly assigned, to receive antioxidant vitamins C (ascorbic acid) and vitamin E (d-alpha-tocopherol) once a day or placebo for 12 weeks double-blind. In Study Period 2, all participants receive (open) active treatment. Outcome measures: improvement in depressive symptoms. Plasma antioxidant status, also memory will be assessed by Wechsler Memory Scale (WMS-III), and cognitive improvement will be analyzed using Mini mental state examination (MMSE) at 0, 3, 6 months during the trial.
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Locations
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Malaga, Spain, 29009
- Psychiatric Service. Hospital Regional Universitario
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Diagnosis of mild or moderate depression by Mini International Neuropsychiatric Interview (MINI).
- Having more than 55 years old
- Have signed the informed consent document before starting the participation in the trial
Exclusion Criteria:
- Any advanced severe or unstable disease.
- Previous diagnose and / or presence of severe mental disorder.
- Risk of suicidal behavior.
- Any treatment regimen, including treatment with psychotropic drugs and / or anticonvulsant therapy that has not been stable for a period ≥ 4 weeks prior to randomization.
- Current treatment with more than two psychoactive medications, including medications for seizures control.
- Intake more than 100 mg of vitamin E or C a day in the last 4 months.
- Hypoprothrombinemia secondary to vitamin K deficiency
- Glucose 6-phosphate dehydrogenase deficiency (G-6-PD).
- Treatment with oral anticoagulants.
- Initiate or change the pharmacological or non-pharmacological interventions during the course of the trial.
- Allergy to the formula components (or excipient used)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Treatment
Ascorbic acid 200mg twice a day for twelve weeks Alpha tocopherol 200mg twice a day for twelve weeks
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Two daily oral doses of 200mg of encapsulated vitamin C twice a day, administered at breakfast and dinner
Other Names:
Two daily oral doses of 200mg of encapsulated vitamin E twice a day, administered at breakfast and dinner
Other Names:
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Placebo Comparator: Placebo
colloidal Silica 200mg twice a day for twelve weeks
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Two daily oral doses of 200mg of encapsulated placebo, administered at breakfast and dinner
Other Names:
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change in depressive symptoms through Beck Depression Inventory (BDI)
Time Frame: 0,3, 6 months
|
0,3, 6 months
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change in anxiety through the State Anxiety Inventory (STAI-S)
Time Frame: 0, 3, 6 months
|
0, 3, 6 months
|
|
Change in the memory through the Wechsler Memory Scale (WMS-III)
Time Frame: 0, 3, 6 months
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0, 3, 6 months
|
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Change in cognitive impairment through MINI MENTAL STATE EXAMINATION (MMSE)
Time Frame: 0,3, 6 months
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0,3, 6 months
|
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Change in the disease through the Clinical Global Impression (CGI)
Time Frame: 0,3, 6 months
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0,3, 6 months
|
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Change in the individual level of functioning through the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0)
Time Frame: 0,3, 6 months
|
0,3, 6 months
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Change in the levels of blood oxidative stress through the antioxidant level
Time Frame: 0,3, 6 months
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0,3, 6 months
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Other Outcome Measures
Other Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Safety and tolerability analyzing the registered side effects
Time Frame: 0,3, 6 months
|
0,3, 6 months
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Lucia M Perez-Costillas, MD PhD, Hospital Regional universitario de Malaga. UGC Salud Mental.
Study record dates
Study Major Dates
Study Start (Actual)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- PI-0290-2012
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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