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NCT Number: NCT06956417

REhabilitation of MEMory Symptoms After BRain Concussion

Persistent memory symptoms after concussion are common, and likely perpetuated by unhelpful illness beliefs and coping behaviors. Results from a pilot study suggested that traditional cognitive rehabilitation and a novel cognitive-behavioral therapy (CBT) protocol were both associated with improvements in subjective memory functioning. The present study will more definitively compare the effectiveness of these interventions for improving subjective memory functioning after concussion.

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Key information

Age range

18 year–59 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Calgary Brain Injury Program, Calgary, Alberta, Canada

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About this study

The primary research aims of this study are to determine whether cognitive behavioral therapy (CBT) and cognitive compensatory strategy training (CCST) improves subjective memory functioning compared to usual care, and to compare the effectiveness of CBT and CCST. This study is a multisite three-armed randomized control trial (RCT) that will randomize adults with persistent memory symptoms following concussion to CBT, CCST, or a covert waitlist condition (2:2:1). Participants will be blinded to the other arms of the study and the study hypotheses.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age 18-59
  • Concussion diagnosis confirmed with structured interview based on American Congress of Rehabilitation Medicine diagnostic criteria
  • Concussion occurred between 6 and 36 months before enrollment
  • Ongoing memory concerns
  • Fluent in English
  • Stable access to a computer, tablet, or smartphone with internet capability

Exclusion criteria

  • Fail performance validity testing
  • Comorbid psychiatric or neurological disorder or is taking a medication that could fully account for their memory symptoms

Treatment and study plan

Cognitive behavioral therapy

Behavioral

Cognitive behavioral therapy (CBT) is delivered by a psychologist over 10 individual (1:1) manualized videoconference sessions. The goal of this therapy is for participants to use their memory more normally (i.e., reduce avoidance and safety behaviors) and view memory lapses as less threatening.

Cognitive Rehabilitation

Behavioral

Cognitive compensatory strategy training (CCST), a traditional cognitive rehabilitation intervention, is delivered by a Occupational Therapist over 10 individual (1:1) manualized videoconference sessions. Participants optimize their use of current compensatory strategies and/or learn new ones suited to their needs and lifestyle. The goal is to minimize memory lapses in daily life.

Primary outcomes

  1. Multifactorial Memory Questionnaire-Satisfaction scale

    Time frame: Week 20

    Measures participants' concern, satisfaction, and overall appraisal of their memory ability. Participants rate their agreement with 18 statements. Total scores range from 0 to 72, with lower total scores indicating worse subjective memory functioning.

Secondary outcomes

  1. Fear-Avoidance of Memory Loss Scale

    Time frame: Week 1 and week 20

    Assesses fears and avoidance behaviors associated with memory decline. Participants rate 24 items on a 5-point scale, where the higher scores indicate greater memory concern and maladaptive coping.

  2. Patient Global Impression of Change scale

    Time frame: Week 20

    Participants rate how much their memory functioning has improved or declined overall since the beginning of the study, on a single item rated on a 7-point scale where the midpoint is no change.

  3. Work and Social Adjustment Scale

    Time frame: Week 1 and week 20

    Participants rate how much their condition interferes with their ability to carry out occupational and social activities across 5 items, on a scale from 1-7 where higher scores indicate more difficulty.

Study contacts

Contact information is provided by the study sponsor or research team.

Noah D Silverberg, PhD

CONTACT

[email protected]

6047341313 ext. 2316

Tasha L Klotz, BA

CONTACT

[email protected]

6047341313 ext. 2316

Sponsors and collaborators

Lead sponsor

University of British Columbia

Other

Registry information

Acronym: REMEMBR

Important dates

Study start
2025
Primary completion
2028
Study completion
2029
First posted
May 4, 2025
Registry last updated
Jun 2, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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