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Can counting backward reveal hidden walking trouble?

NCT ID NCT07814053

Knowledge-focused Sponsor: Cairo University Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
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The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

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Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
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Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
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Status unknown
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First seen Sep 10, 2026 · Last updated Sep 11, 2026 · Updated 1 time

Summary

Researchers at Cairo University are studying how adding mental tasks changes the way older adults walk and move. Sixty adults aged 60 and older who can walk on their own perform the Timed Up and Go test under four conditions: no mental task, easy backward counting, harder counting by threes, and a fourth graded load. A smartwatch records total time and the time spent standing up, walking, and turning. The goal is to see whether harder mental tasks cause larger declines in mobility and which phase of movement is most affected.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
a dual-task cognitive loading protocol that pairs walking tests with mental arithmetic
What this could lead to
If the approach works, it could give clinicians a simple way to spot early mobility problems in older adults by watching how they walk while doing mental tasks.
What could go wrong
This is a small, single-site study with 60 participants, so its findings may not apply broadly. It measures movement timing, not whether any treatment prevents falls or disability.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

60 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥ 60 years * Ability to ambulate independently without assistive devices * Ability to follow verbal instructions and perform dual-task activities * Medically stable and capable of participating in functional mobility assessment Cognitive function within normal range, defined as Mini-Mental State Examination (MMSE) score ≥ 24 out of 30, indicating absence of significant cognitive impairment . * Functionqal independence in basic activities of daily living, defined as Barthel Index score ≥ 90 out of 100 * Body Mass Index (BMI) between 18.5 and 29.9 kg/m², as values ≥ 30 kg/m² (obesity) may adversely affect gait and balance performance. Exclusion Criteria: * Any neurological disease that affects walking or balance, such as stroke or Parkinson's disease * Any musculoskeletal condition that limits lower-limb movement or affects normal walking patterns * Severe cognitive impairment defined as Mini-Mental State Examination (MMSE) score \< 24 * Visual, vestibular, or hearing problems that affect safe walking or balance control * History of lower-limb injury or surgery within the last 6 months * Serious medical conditions that make participation unsafe, such as unstable cardiac or respiratory disease

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Older people

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