Skip to content

Investigating the effect of sensory training on pain and function in people with knee osteoarthritis

Assessing the effect of tactile acuity training on pain, disability, function of descending pain inhibitory system and tactile acuity in patients with chronic knee osteoarthritis with central sensitization: A randomized clinical trial study

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20180711040419N2
Enrollment
48
Registered
2025-07-15
Start date
2025-08-01
Completion date
Unknown
Last updated
2025-07-21

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

Conditions

Knee osteoarthritis. Osteoarthritis of knee

Interventions

Intervention 1: Intervention group: Tactile acuity training and routine physiotherapy treatment. Intervention 2: Control group: Routine physiotherapy treatment.

Sponsors

Shiraz University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
50 Years to 75 Years

Inclusion criteria

Inclusion criteria: Patients of both sexes aged 50 to 75 years Clinical diagnosis of knee osteoarthritis according to the American College of Rheumatology (ACR) criteria Knee osteoarthritis grade 2 or 3 according to the Kellgren-Lawrence (KL) classification Unilateral or bilateral knee pain and dysfunction Chronic knee pain for more than 3 months Pain intensity 3 to 7 on the NRS Cognitive ability above 23 points based on MMSE Minimum score of 40 on the Central Sensitization Questionnaire Disability level greater than 25 based on the WOMAC index

Exclusion criteria

Exclusion criteria: Any neurological or musculoskeletal disorder affecting lower limb function Knee surgery in the past 6 months Participation in a rehabilitation program in the past 6 months Intra-articular injection in the past 6 months Use of antidepressants, anti-inflammatory drugs, or anti-anxiety drugs in the past 6 months Presence of electrical or metal implants Perception and coordination disorders, or any systemic disease Neurological or orthopedic damage that may affect tactile discrimination in the knee Neurological disease Peripheral neuropathies Persistent pain from other causes Inflammatory disorders of the knee joint Presence of vision or hearing problems Fibromyalgia syndrome Major depressive disorder Acute or chronic infection Epilepsy Pregnancy

Design outcomes

Primary

MeasureTime frame
Graphesthesia. Timepoint: Before intervention; After intervention; 4 weeks after intervention. Method of measurement: Identifying the correct number of letters and numbers drawn on the skin.;Two point discrimination. Timepoint: Before intervention; After intervention; 4 weeks after intervention. Method of measurement: Sliding caliper.;Point-to-point sensation. Timepoint: Before intervention; After intervention; 4 weeks after intervention. Method of measurement: Monofilament.;Pain. Timepoint: Before intervention; After intervention; 4 weeks after intervention. Method of measurement: Numerical rating scale.

Secondary

MeasureTime frame
Function of descending pain inhibitory system. Timepoint: Before intervention; After intervention; 4 weeks after intervention. Method of measurement: Conditioned pain modulation.;Disability. Timepoint: Before intervention; After intervention; 4 weeks after intervention. Method of measurement: Western Ontario and McMaster index.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactKatayoon Rezaei

Shiraz University of Medical Sciences

rezaeik@sums.ac.ir+98 71 3212 2600

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026