NCT04473235

Brief Summary

This study aims to discover whether acquiring basic-literacy in adulthood can improve episodic memory and brain structural and functional connectivity. In a collaborative project between Brazil and USA, the investigators will use a randomized controlled trial approach to leverage the level of evidence of the benefits of basic adult-education as a possible cognitive reserve builder. If successful, the study's findings will be important in shaping policies targeting increasing access to late-life education to reduce dementia risk.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
108

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Nov 2021

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

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 12, 2020

Completed
4 days until next milestone

First Posted

Study publicly available on registry

July 16, 2020

Completed
1.3 years until next milestone

Study Start

First participant enrolled

November 11, 2021

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 17, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 17, 2022

Completed
1.6 years until next milestone

Results Posted

Study results publicly available

July 16, 2024

Completed
Last Updated

July 16, 2024

Status Verified

June 1, 2024

Enrollment Period

1.1 years

First QC Date

July 12, 2020

Results QC Date

March 25, 2024

Last Update Submit

June 21, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Episodic Memory Improvement

    Change in free recall sum-of-attempts of the Free and Cued Selective Reminding with Immediate Recall (FCSR) test. The Free and Cued Selective Reminding Test (FCSRT) is an episodic memory test. First, the participant learns 16 figures, 4 each time, with the help of semantic cues provided by the examiner. After that, the participant recalls the figures 3 times, with a distraction activity between each attempt (counting 20 to 1 backwards). The sum of each immediate free recall is called sum of attempts. It ranges from 0 (the participant does not recall any figure in three attempts) to 48 (the participant recalls all the figures). The higher the score, the better the participant's episodic memory.

    Baseline and 6 months

Secondary Outcomes (1)

  • Change in Brain Connectivity

    Baseline and 6 months

Study Arms (2)

Literacy training

EXPERIMENTAL

The basic-literacy training will be given for two hours/day for four days/week for 6 months. At baseline, participants will be randomized into four classes of 30. An expert in adult education will oversee the classes and meet the teachers periodically, and each class will count with a certified and experienced lead teacher and teacher aid. The intervention group will receive literacy training based on analytical and phonemic methods for enabling reading and writing

Behavioral: Literacy training

Non-literacy training

ACTIVE COMPARATOR

The comparator group will have access to non-literacy classes offered at the adult school, including geography, history, informatics, and sciences, but no literacy-training, for two hours/day for four days/week for 6 months.

Behavioral: Non-Literacy training

Interventions

Teaching adults how to read and write using the analytical and phonemic method

Literacy training

Attending classes in geography, history, sciences, without receiving the specific training in literacy

Non-literacy training

Eligibility Criteria

Age40 Years - 89 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Being illiterate (TOFHLA score \<53) and availability to participate in the study for at least 12 months

You may not qualify if:

  • A) Presence of remarkable cognitive complains and/or decompensated psychiatric illness (depression and anxiety) and/or current substance abuse such as alcohol and illicit drugs use.
  • B) Objective cognitive impairment: score of 2 standard deviations or bellow for age and education on the Mini-Mental State Evaluation (MMSE) and/or score of 6 or lower on the delayed recall task from the Brief Cognitive Battery.
  • C) History of previously diagnosed dyslexia D) Formal MRI contraindications including metal or claustrophobia. E) Severe structural lesions detected by MRI.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Universidade Federal de Minas Gerais

Belo Horizonte, Minas Gerais, Brazil

Location

MeSH Terms

Conditions

Memory Disorders

Condition Hierarchy (Ancestors)

Neurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Elisa de Paula França Resende
Organization
Universidade Federal de Minas Gerais

Study Officials

  • Elisa Resende, MD, PhD

    UFMG

    PRINCIPAL INVESTIGATOR
  • Lea T Grinberg, MD, PhD

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 12, 2020

First Posted

July 16, 2020

Study Start

November 11, 2021

Primary Completion

December 17, 2022

Study Completion

December 17, 2022

Last Updated

July 16, 2024

Results First Posted

July 16, 2024

Record last verified: 2024-06

Data Sharing

IPD Sharing
Will not share

Locations