The effects of Acceptance and Commitment Therapy among older outpatients with knee pain: A randomized controlled trial

The effects of Acceptance and Commitment Therapy among older outpatients with knee pain: A randomized controlled trial - The effects of Acceptance and Commitment Therapy among older outpatients with knee pain

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000038591

Enrollment

Registered

2019-11-15

Start date

2019-12-15

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic knee pain

Interventions

The Acceptance and Commitment Therapy (ACT) group participate in an hour intervention per session, one a week, for 8 weeks. This intervention provides 30 minutes each of ACT and exercise therapy. ACT

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Aged >= 65 years 2.Diagnosis of knee osteoarthritis 3.Knee pain for >= 1 month 4.Moerate or higher knee pain (Visual Analog Scale >= 30)

Exclusion criteria

Exclusion criteria: 1.Cognitive decline that cannot be answered in the questionnaire 2.Outdoor walking is not independent 3.Experience cognitive behavioral therapy within the past 3 months 4.Knee surgery within the past 3 months 5.Knee surgery within the next 3 months

Design outcomes

Primary

Measure	Time frame
Measurements: 1-month before the intervention; pre-and post-intervention; 1-month after the intervention Outcome: Japanese Knee Osteoarthritis Measure (JKOM)	—

Secondary

Measure	Time frame
Measurements: 1-month before the intervention; pre-and post-intervention; 1-month after the intervention Outcomes: 1.Psychological inflexibility toward pain: Psychological Inflexibility in Pain Scale (PIPS) 2.Anixiety and Depression: Hospital Anxiety and Depression Score (HADS) 3.Leg strength: Five-Times Sit-to-Stand Test (FTSS) 4.Physical activity and sedentary behavior: Accelerometer (Active style Pro, OMRON)	—

Measure

Time frame

Measurements: 1-month before the intervention; pre-and post-intervention; 1-month after the intervention Outcomes: 1.Psychological inflexibility toward pain: Psychological Inflexibility in Pain Scale (PIPS) 2.Anixiety and Depression: Hospital Anxiety and Depression Score (HADS) 3.Leg strength: Five-Times Sit-to-Stand Test (FTSS) 4.Physical activity and sedentary behavior: Accelerometer (Active style Pro, OMRON)

—

Countries

Japan

Contacts

Public ContactKoichiro Oka

Waseda University Faculty of Sport Sciences

koka@waseda.jp04-2947-7189

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026