NCT01672359

Brief Summary

A six-month study which investigated the effect of Ginkgo Synergy® and Choline or OPC Synergy® and Catalyn® on cognitive and immune function markers and quality of life among healthy older adults with no history of significant cognitive deficits

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
97

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started May 2011

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2011

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2011

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

August 20, 2012

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 24, 2012

Completed
Last Updated

August 6, 2014

Status Verified

August 1, 2014

Enrollment Period

7 months

First QC Date

August 20, 2012

Last Update Submit

August 4, 2014

Conditions

Keywords

cognitive functioningimmune functioncytokinesgrowth factorsquality of lifedietary supplementationGinkgo bilobaImprovement of cognitive function

Outcome Measures

Primary Outcomes (1)

  • Cognitive Measures

    The measures included the MMSE, the Stroop Color and Word Test (SCWT), the Trail Making Test Parts A and B (TMT-A, TMT-B), the Controlled Oral Word Association test (COWA), the Digit Symbol subtest of the Wechsler Adult Intelligence Scale, Third Edition (WAIS-III), and the Hopkins Verbal Learning Test-Revised (HVLT-R)

    6 months

Secondary Outcomes (2)

  • Quality of Life Measures

    6 months

  • Immune Function Markers

    6 months

Study Arms (3)

Ginkgo Synergy® and Choline

EXPERIMENTAL

Ginkgo Synergy® (120 mg/day Ginkgo biloba leaf with 80 mg/day Ginkgo biloba whole extract combined with 40 mg/day Grape Seed extract) and Choline (700 mg choline/day)

Dietary Supplement: Ginkgo Synergy® and Choline

OPC Synergy® and Catalyn

EXPERIMENTAL

OPC Synergy® (100 mg/day of Grape Seed extract with 50 mg/day Green Tea extract (60% catechins)) and Catalyn® (1,248 IU/day of Vitamin D, 4,800 IU/day of Vitamin A, combined with vitamin C, thiamine, riboflavin, and vitamin B6)

Dietary Supplement: OPC Synergy® and Catalyn

Placebo

PLACEBO COMPARATOR

cellulose pills to simulate actual products

Dietary Supplement: Placebo

Interventions

3 tablets 2 times per day with breakfast and dinner over 6 months

Ginkgo Synergy® and Choline
OPC Synergy® and CatalynDIETARY_SUPPLEMENT

3 tablets 2 times per day with breakfast and dinner over 6 months

OPC Synergy® and Catalyn
PlaceboDIETARY_SUPPLEMENT
Placebo

Eligibility Criteria

Age60 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years of age and older
  • English speaking
  • Not living in a skilled or intermediate care level nursing facility
  • No use of dietary supplements for cognitive functioning two weeks before enrolling in the study and during the length of the trial
  • A Mini-Mental State Exam (MMSE) score ≥ 23

You may not qualify if:

  • A cognitive deficit greater than that indicated according to the MMSE score
  • A clinical diagnosis of AD and/or related disorders
  • A psychiatric diagnosis of schizophrenia, other psychotic disorders, bipolar disorder, major depression with psychotic features, delirium, and alcohol or substance abuse/dependence
  • Bleeding disorders
  • Aphasia or sensory, motor, and/or visual disturbances that would have interfered with psychometric tests
  • Gastrointestinal disorders causing impaired absorption of the study supplements
  • Insulin-dependent diabetes
  • Major conditions such as cardiovascular, pulmonary, renal, thyroid, hepatic, gastrointestinal, or seizure
  • Hematologic or oncologic disorders treated with chemotherapy in the previous two years
  • Active chemotherapy or radiation treatment for cancer
  • Current cigarette smoking
  • More than three major medical or psychiatric hospitalizations in the past year
  • Diagnosis of a terminal illness
  • A T score \> 70 on the Global Severity Index of the Brief Symptoms Inventory (BSI)
  • A score ≥ 29 on the Beck Depression Inventory-II (BDI) (15)
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Clinical Research Building

Miami, Florida, 33136, United States

Location

Related Publications (1)

  • Lewis JE, Melillo AB, Tiozzo E, Chen L, Leonard S, Howell M, Diaz J, Gonzalez K, Woolger JM, Konefal J, Paterson E, Barnes D. A double-blind, randomized clinical trial of dietary supplementation on cognitive and immune functioning in healthy older adults. BMC Complement Altern Med. 2014 Feb 4;14:43. doi: 10.1186/1472-6882-14-43.

MeSH Terms

Interventions

Choline

Intervention Hierarchy (Ancestors)

EthanolaminesAmino AlcoholsAlcoholsOrganic ChemicalsAminesTrimethyl Ammonium CompoundsQuaternary Ammonium CompoundsOnium Compounds

Study Officials

  • John Lewis, PhD

    University of Miami

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

August 20, 2012

First Posted

August 24, 2012

Study Start

May 1, 2011

Primary Completion

December 1, 2011

Study Completion

December 1, 2011

Last Updated

August 6, 2014

Record last verified: 2014-08

Locations