Management of Mild Cognitive Impairment Patients With Extra Virgin Olive Oil

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE2

Total Enrollment

150 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-11-09

Study Completion Date

2019-05-15

Brief Summary

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There is accumulating evidence suggesting that olive oil may have a positive impact on conditions involving cognitive deficits, such as MCI and AD. More specifically, these beneficial effects are mostly attributed to some phenolic compounds in olive oil, such as oleocanthal, oleuropein and ligstroside. Oleocanthal is deeper studied than the rest of olive oil phenol components and it shows promising results in neuroprotection against AD through various suggested mechanisms, such as the enhancement of amyloid-beta clearance in the brain and the inhibition of neurofibrillary tangles formation. For this reason, it would be interesting to study the effects of freshly-pressed extra virgin olive oil, as it is known that it contains oleocanthal in higher concentrations than the normal extra virgin olive oil. The aim of the study is to evaluate the beneficial effect of extra virgin olive oil in comparison to freshly-pressed extra virgin olive oil on patients diagnosed with mild cognitive impairment (MCI).

Study Type: Interventional Study Design: Allocation: Randomized Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Investigator) Primary Purpose: Prevention

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Detailed Description

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OBJECTIVES OF THE TRIAL

The objectives of this study are:

* To investigate the efficacy of freshly pressed EVOO as a disease course modifying treatment for mild cognitive impairment in a phase III double-blind placebo-controlled study.
* To investigate the effects in objective measurements in patients with mild cognitive impairment.

STUDY DESIGN This is a Greek, randomized, double-blind, placebo-controlled study group of EVOO compared with placebo. Qualifying patients will be randomly assigned to receive 50mL of freshly-pressed EVOO or placebo (EVOO) or mediterranean dietary protocol on a daily basis for 24 months. Patients undergo assessments at baseline,12 and 24 months +/- 7 days after beginning treatment.

Duration The total study duration will be 30 months. Patients will receive study medication for 24 months.

Number of Subjects 150 subjects total will be enrolled. ; 50 in the experimental group (freshly pressed EVOO); 50 in the Control Group 1(EVOO) and 50 in control Group 2(same dietary habits-mediterranean dietary protocol).

Patient Eligibility Screening Form (ESF)

An eligibility form documenting the patient's fulfillment of the entry criteria will be completed by the assessor. The following information will be included in the ESF:

* Patient identification: Initials (First initial of first name and First initial of surname), date of birth and Patient Identification Number.
* Eligibility Screening; Checklist of inclusion and exclusion criteria
* Eligibility Statement; for patients found to be ineligible, the reason for ineligibility must be stated
* Written informed consent will be obtained from the subject . The informed consent form must be co-signed by the physician. The nature of the study and the potential risks associated with the trial will be explained to all subject candidates and their responsible informants.
* Signature and date: the ESF may be completed by an assessor but it is required that the principal investigator/study clinician sign and date the ESF to verify eligibility of the patient for inclusion.

Conditions

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Mild Cognitive Impairment

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Experimental Group

50 patients Freshly-Pressed Extra Virgin Olive Oil Aluminum bottle with 500 ml of freshly-pressed extra virgin olive oil 1 bottle per 10 days.

Dietary Supplement: Freshly-Pressed Extra Virgin Olive Oil dietary intake of the content of 50 mL (3 tablespoons from the bottle containing the product)

Group Type EXPERIMENTAL

Freshly-Pressed Extra Virgin Olive Oil

Intervention Type DIETARY_SUPPLEMENT

Dietary Supplement: Freshly-pressed extra virgin olive oil Freshly-Pressed Extra Virgin Olive Oil Aluminum bottle with 500 ml of freshly-pressed extra virgin olive oil 1 bottle per 10 days

Control group 1

50 patients Extra Virgin Olive Oil Aluminum bottle with 500 ml of freshly-pressed extra virgin olive oil 1 bottle per 10 days. Extra Virgin Olive Oil dietary intake of the content of 50 mL (3 tablespoons from the bottle containing the product)

Group Type PLACEBO_COMPARATOR

extra virgin olive oil

Intervention Type COMBINATION_PRODUCT

Extra Virgin Olive Oil Aluminum bottle with 500 ml of freshly-pressed extra virgin olive oil 1 bottle per 10 days

Control Group 2

50 patients that will have the same dietary habits and a Mediterranean dietary protocol

Group Type OTHER

mediterranean diet

Intervention Type OTHER

50 patients that will have the same dietary habits and a Mediterranean dietary protocol

Interventions

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Freshly-Pressed Extra Virgin Olive Oil

Dietary Supplement: Freshly-pressed extra virgin olive oil Freshly-Pressed Extra Virgin Olive Oil Aluminum bottle with 500 ml of freshly-pressed extra virgin olive oil 1 bottle per 10 days

Intervention Type DIETARY_SUPPLEMENT

extra virgin olive oil

Extra Virgin Olive Oil Aluminum bottle with 500 ml of freshly-pressed extra virgin olive oil 1 bottle per 10 days

Intervention Type COMBINATION_PRODUCT

mediterranean diet

50 patients that will have the same dietary habits and a Mediterranean dietary protocol

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Memory Complaints
* Abnormal memory function documented by scoring 1 SD below the age-adjusted mean on the Logical Memory II subscale, (Delayed Paragraph Recall) from the Wechsler Memory Scale-R.
* MMSE 24-30
* CDR(sum of boxes) \>= 0,5
* Diagnosis: Mild Cognitive Impairment (amnestic plus multi-domain)
* Geriatric Depression Scale (GDS) \<6
* Hachinski Modified Ischemic scale \<= 4
* Stability of Permitted Medications for 4 weeks
* Years of education: \>= 5
* Proficient language fluency
* Have a study partner with 10+ hr/wk contact (can be in person and telephone), accompanies to visits
* Compliance

Exclusion Criteria

* Visual and auditory acuity inadequate for neuropsychological testing
* Enrollment in other trials or studies not compatible with MICOIL
* History of significant neurological or psychiatric illnesses or presence of other diseases precluding enrollment.
* Use of forbidden medications (listed below)
* Ferromagnetic implants and devices (including implants or devices held in place by sutures, granulation or ingrowth of tissue, fixation devices, or by other means) not eligible for MRI scanning. Brain malformation or other conditions that may complicate lumbar puncture

Medications across the study

Excluded Medication:

* Antidepressants with anti-cholinergic properties.
* Regular use of narcotic analgesics (\>2 doses per week) within 4 weeks of screening.
* Use of neuroleptics with anti-cholinergic properties (e.g., chlorpromazine, thioridazine) within 4 weeks of screening.
* Chronic use of other medications with significant central nervous system anticholinergic activity within 4 weeks of screening (e.g., diphenhydramine).
* Use of Anti-Parkinsonian medications (including Sinemet, amantadine, bromocriptine, pergolide, selegeline) within 4 weeks of screening.
* Participation in any other investigational drug study within 4 weeks of screening (individuals may not participate in any drug study while participating in this protocol).

Minimum Eligible Age

55 Years

Maximum Eligible Age

85 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No