Pain and Split-belt Motor Learning in Older Adults

University of Delaware

Status

Enrolling

Conditions

Aging

Motor Learning

Older Adults

Pain

Treatments

Behavioral: Capsaicin 0.1% cream combined with a heat pack and applied to the lower leg

Study type

Interventional

Funder types

Other

Identifiers

NCT07054840

2334309

Details and patient eligibility

About

The purpose of this research is to investigate the impact of acute pain, induced using an experimental pain paradigm of capsaicin paired with heat, on implicit locomotor learning and its retention in older adults.

Enrollment

34 estimated patients

Sex

All

Ages

55 to 90 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Age 55-90 years old
Self-identifying as generally medically healthy
Able to read, write and speak English
Able to provide informed consent and attend all testing sessions
Willing to undergo the experimental pain paradigm, if selected

Exclusion criteria

Resting heart rate < 50 or > 100 bpm
Resting blood pressure < 90/60 or > 165/95
Any history or current mental health condition, learning/developmental disability or cognitive impairment, including severe untreated ADD/ADHD, severe untreated anxiety, severe untreated depression, autism spectrum disorder, insomnia, mild cognitive impairment, etc. (Mild to moderate treated ADD/ADHD, anxiety, and/or depression are allowed.)
Score on the Montreal Cognitive Assessment (MoCA) <23
Score on the Generalized Anxiety Disorder-7 Scale ≥ 10
Score on the Patient Health Questionnaire-2 ≥ 2 and score on the Patient Health Questionnaire-9 ≥ 10
Any current (within last 3 month) or chronic medical conditions, including any musculoskeletal, cardiovascular, pulmonary, metabolic, psychiatric or neurological diagnosis that affects activities of daily living or would confound testing or place the subject at risk by participating, such as a significant cardiovascular condition or event (e.g., heart attack < 3 months ago, uncontrolled atrial fibrillation, uncontrolled angina, congestive heart failure, chronic obstructive pulmonary disorder, or peripheral vascular disease)
Any impaired sensation or weakness in either lower extremity
History of serious concussion or head injury, defined as a loss of consciousness for > 5 minutes and/or requiring medical treatment, or > 2 concussions over the lifespan
Any history of acute or chronic problems with balance, any dizziness, or > 1 fall in the last 12 months
Currently or regularly using any analgesic medications, over-the-counter remedies, or any other treatment for the purposes of pain relief (i.e., baby aspirin for heart health is allowed)
Any current or chronic pain condition during the last year, located anywhere in the body with an intensity of > 2/10
Allergy to capsaicin or hot peppers
Any skin lesion, breakage or irritation in the area targeted for the painful stimulus
Significant skin sensitivity to soaps/creams/perfumes or to heat
Poor circulation in the area targeted for the painful stimulus
Prior participation in a split-belt locomotor learning study in the Neuromotor Behavior Lab in the past 2 years