Cognitive Rehabilitation in Post-COVID-19 Syndrome

February 20, 2026 updated by: Anna Boone, University of Missouri-Columbia

Cognitive Strategy Training in Post-COVID-19 Syndrome: A Feasibility Trial

The first aim of this study is to determine the feasibility of delivering CO-OP remotely to individuals experiencing cognitive impairments that limit everyday activities in post-COVID-19 syndrome (PCS). The second aim of this study is to assess the effect of CO-OP on activity performance, subjective and objective cognition, and quality of life in a sample of individuals with PCS. The research team hypothesizes that effect size estimations will indicate that CO-OP will have a greater positive effect, compared to an inactive control group, on activity performance, subjective and objective cognition, and quality of life in a sample of individuals who self-report PCS and cognitive impairment.

Study Overview

Detailed Description

Post-COVID-19 symptoms (PCS) cognitive symptoms require the rehabilitation community to investigate ways to: (1) reduce the functional impact of the symptoms on daily life and (2) support individuals with PCS to establish new habits to improve and maintain health. While the cognitive impairment associated with PCS has not been well evaluated, it is similar of cognitive symptoms seen in other conditions. Metacognitive strategy training (MCST) approaches are an evidence-based practice standard for improving capacity to self-manage chronic cognitive symptoms and reduce their functional impact on everyday life activities.

The CO-OP approach is an MCST intervention in which participants are taught a general cognitive strategy that can be applied in known and novel contexts to devise task specific strategies for engaging in an activity. Existing evidence with other populations suggests that CO-OP has more of a positive effect on improving activity performance and cognition than remediation/retraining-based approaches. These effects have been demonstrated in individuals with mild cognitive impairment that mirrors that found in PCS. The overall research hypothesis is that CO-OP can feasibly be administered remotely and will improve activity performance, subjective and objective cognitive function, and quality of life in individuals with PCS.

Study Type

Interventional

Enrollment (Actual)

65

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Missouri
      • Columbia, Missouri, United States, 65211
        • University of Missouri Department of Occupational Therapy

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • self-reported cognitive symptoms persisting for at least 6 weeks following COVID-19 infection (Cognitive Failures Questionnaire (CFQ) score >43)
  • self-identified activity performance goals per the Canadian Occupational Performance Measure (COPM)
  • documented prior diagnosis of COVID-19
  • read, write, and speak English fluently
  • ability to provide valid informed electronic consent

Exclusion Criteria:

  • diagnosis of severe neurological or psychiatric condition(s)
  • dementia symptoms as indicated by a score of <23 on the Montreal Cognitive Assessment (MoCA)
  • untreated sleep apnea (≥5 on the STOPBANG)
  • prior cancer treatment
  • severe depressive symptoms (>21 on the Patient Health Questionnaire-9)

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Cognitive Orientation to daily Occupational Performance (CO-OP)
Each CO-OP session will last 45 minutes and subjects will complete one session per week over the course of 10 weeks. All sessions will be delivered remotely via the Zoom platform.
CO-OP is a metacognitive strategy training intervention that will be used in this study. First, five functional, everyday life goals are identified collaboratively by the participant and interventionist. In the second meeting, we introduce the approach to the subject and teach the global cognitive strategy (i.e., GOAL-PLAN-DO-CHECK). In all subsequent sessions, this strategy is used as the main problem-solving framework to facilitate skill acquisition.The subject identifies a GOAL, and then is guided by the therapist to discover a PLAN to potentially achieve the goal. The subject is then asked to DO the plan (if feasible during the therapy session otherwise asked to complete at home prior to the next treatment session), and subsequently to CHECK to see if the plan worked, i.e. the goal was achieved. This process is repeated until satisfactory performance is met for each established goal.
Other: Inactive Control Group
Subjects will complete one session per week over the course of 10 weeks. All sessions will be delivered remotely via the Zoom platform.
An inactive control group will be used to control for maturation and testing effects. Weekly contact will be made via teleconferencing to (1) maintain study engagement, (2) introduce weekly social contact with researchers, mimicking some of the potential incidental effects of the experimental group, and (3) ascertain what, if any, additional steps participants have taken to reduce PCS symptoms. The content of each of these meetings will be tracked in intervention notes. Each contact will be recorded for fidelity monitoring to ensure all active ingredients of the CO-OP intervention are avoided.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Acceptability of Intervention Measure (AIM)
Time Frame: After study completion, an average of 12 weeks
Measure of intervention acceptability. Self-report Likert scale of 1 (completely disagree) to 5 (completely agree)
After study completion, an average of 12 weeks
Intervention Appropriateness Measure (IAM)
Time Frame: After study completion, an average of 12 weeks
Measure of intervention appropriateness. Self-report Likert scale of 1 (completely disagree) to 5 (completely agree)
After study completion, an average of 12 weeks
Feasibility of Intervention Measure (FIM)
Time Frame: After study completion, an average of 12 weeks
Measure of intervention feasibility. Self-report Likert scale of 1 (completely disagree) to 5 (completely agree)
After study completion, an average of 12 weeks
Recruitment Rate
Time Frame: After study completion, an average of 12 weeks
Number of participants enrolled divided by number of individuals screened
After study completion, an average of 12 weeks
Retention Rate
Time Frame: After study completion, an average of 12 weeks
Number of participants completing all study procedures divided by number of participants enrolled
After study completion, an average of 12 weeks
Telehealth Usability Questionnaire (TUQ)
Time Frame: After study completion, an average of 12 weeks
Measure of telehealth usability from participant's perspective. Self-report Likert scale of 1 (disagree) to 7 (agree). Higher values represent a better outcome.
After study completion, an average of 12 weeks
Canadian Occupational Performance Measure (COPM) Performance, Trained Goals
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of activity performance. Minimum = 1, Maximum = 10. Higher scores mean better performance.
Pre-intervention (week 0) and post-intervention (week 12)
Canadian Occupational Performance Measure (COPM) Satisfaction, Trained Goals
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of satisfaction level with activity performance. Minimum = 1, Maximum = 10. Higher scores mean higher satisfaction.
Pre-intervention (week 0) and post-intervention (week 12)

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Delis-Kaplan Executive Function System (DKEFS)- Color-Word Interference, Age-Corrected Time
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Objective measure of inhibition and cognitive flexibility. Data are presented for condition 4 of color/word switching. Age-adjusted scale scores are presented with a mean of 10 and a standard deviation of 3. Maximum=19, minimum=1. Higher scores indicate better performance.
Pre-intervention (week 0) and post-intervention (week 12)
Delis-Kaplan Executive Function System (DKEFS)- Color-Word Interference, Age-Corrected Errors
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Objective measure of inhibition and cognitive flexibility. Data are presented for condition 4 of color/word switching. Age-adjusted scale scores are presented with a mean of 10 and a standard deviation of 3. Maximum=19, minimum=1. Higher scores indicate better performance.
Pre-intervention (week 0) and post-intervention (week 12)
Patient-Reported Outcomes Measurement Information System (PROMIS) Cognitive Function
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of cognition. Maximum=5, minimum=1. T-scores are reported with a mean of 50 and a standard deviation of 10. Higher scores indicate fewer perceived cognitive deficits.
Pre-intervention (week 0) and post-intervention (week 12)
Cambridge Neuropsychological Test Automated Battery (CANTAB) Rapid Visual Information Processing Subtest
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Objective measure of sustained attention. A Z-score of 0 represents the population mean. Higher scores indicate better performance.
Pre-intervention (week 0) and post-intervention (week 12)
CANTAB Spatial Working Memory Subtest
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Objective measure of working memory and strategy. A Z-score of 0 represents the population mean. Higher scores indicate better performance.
Pre-intervention (week 0) and post-intervention (week 12)
CANTAB Stockings of Cambridge Subtest
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Objective measure of planning and executive function. A Z-score of 0 represents the population mean. Higher scores indicate better performance.
Pre-intervention (week 0) and post-intervention (week 12)
CANTAB Delayed Matching to Sample Subtest
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Objective measure of short-term visual recognition memory and attention. A Z-score of 0 represents the population mean. Higher scores indicate better performance.
Pre-intervention (week 0) and post-intervention (week 12)
CANTAB Paired Associates Learning Subtest
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Objective measure of visual episodic memory. A Z-score of 0 represents the population mean. Higher scores indicate better performance.
Pre-intervention (week 0) and post-intervention (week 12)
Canadian Occupational Performance Measure (COPM) Performance, Untrained Goals
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of activity performance. Minimum = 1, Maximum = 10. Higher scores mean better performance.
Pre-intervention (week 0) and post-intervention (week 12)
Canadian Occupational Performance Measure (COPM) Satisfaction, Untrained Goals
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of satisfaction level with activity performance. Minimum = 1, Maximum = 10. Higher scores mean higher satisfaction.
Pre-intervention (week 0) and post-intervention (week 12)
World Health Organization Quality of Life Assessment Instrument (WHOQOL-100) - Physical Domain
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of physical health. Each item is ranked on a Likert scale of 1-5 (Maximum=5, minimum=1). The range of scores for this domain is 0-100, with higher scores indicating greater perceived physical health.
Pre-intervention (week 0) and post-intervention (week 12)
World Health Organization Quality of Life Assessment Instrument (WHOQOL-100) - Social Domain
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of social health. Each item is ranked on a Likert scale of 1-5 (Maximum=5, minimum=1). The range of scores for this domain is 0-100, with higher scores indicating greater perceived social health.
Pre-intervention (week 0) and post-intervention (week 12)
World Health Organization Quality of Life Assessment Instrument (WHOQOL-100) - Environmental Domain
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of environmental health. Each item is ranked on a Likert scale of 1-5 (Maximum=5, minimum=1). The range of scores for this domain is 0-100, with higher scores indicating greater perceived environmental health.
Pre-intervention (week 0) and post-intervention (week 12)
World Health Organization Quality of Life Assessment Instrument (WHOQOL-100) - Spiritual Domain
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of spiritual health. Each item is ranked on a Likert scale of 1-5 (Maximum=5, minimum=1). The range of scores for this domain is 0-100, with higher scores indicating greater perceived spiritual health.
Pre-intervention (week 0) and post-intervention (week 12)
World Health Organization Quality of Life Assessment Instrument (WHOQOL-100) - Independence Domain
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of independence. Each item is ranked on a Likert scale of 1-5 (Maximum=5, minimum=1). The range of scores for this domain is 0-100, with higher scores indicating greater perceived independence.
Pre-intervention (week 0) and post-intervention (week 12)
World Health Organization Quality of Life Assessment Instrument (WHOQOL-100) - Psychological Domain
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of psychological health. Each item is ranked on a Likert scale of 1-5 (Maximum=5, minimum=1). The range of scores for this domain is 0-100, with higher scores indicating greater perceived psychological health.
Pre-intervention (week 0) and post-intervention (week 12)
Cognitive Failures Questionnaires Total Score
Time Frame: Pre-intervention (week 0) and post-intervention (week 12)
Self-report measure of frequency of cognitive errors in daily life. Participants rate each item on a scale of 0 (never) to 4 (very often). Maximum total score=100, minimum total score=0. Higher scores indicate increased perceived cognitive errors.
Pre-intervention (week 0) and post-intervention (week 12)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Anna E Boone, PhD, OTR/L, University of Missouri Occupational Therapy

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 1, 2024

Primary Completion (Actual)

June 30, 2025

Study Completion (Actual)

June 30, 2025

Study Registration Dates

First Submitted

November 14, 2023

First Submitted That Met QC Criteria

November 14, 2023

First Posted (Actual)

November 18, 2023

Study Record Updates

Last Update Posted (Actual)

March 13, 2026

Last Update Submitted That Met QC Criteria

February 20, 2026

Last Verified

November 1, 2025

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Post-COVID-19 Syndrome

Clinical Trials on CO-OP Procedures

Subscribe