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The effect of Action Potential Simulation and Low Level LASER in Reducing Pain and Improving Function of the Knee: A Randomized Controlled Trial of Women with Knee Osteoarthrosis

The effect of Action Potential Simulation and Low Level LASER in Reducing Pain and Improving Function of the Knee: A Randomized Controlled Trial of Women with Knee Osteoarthrosis

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT201109231675N9
Enrollment
30
Registered
2011-10-31
Start date
2009-04-21
Completion date
Unknown
Last updated
2018-02-22

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

Conditions

Knee Osteoarthrosis. Primary gonarthrosis, bilateral and Other primary gonarthrosis

Interventions

Intervention 1: LASER Group: A low-level Ga-As LASER was applied with 5 KHz frequency, a 100 mW point probe (average power), wavelength 905 nm, pulse duration 200 ns, 9 J/cm2 dosages per minute, for 6
Rehabilitation
LASER Group: A low-level Ga-As LASER was applied with 5 KHz frequency, a 100 mW point probe (average power), wavelength 905 nm, pulse duration 200 ns, 9 J/cm2 dosages per minute, for 6 minutes per ses
Action Potential Simulation Group: We applied Action Potential Simulation with intensity of 1mA, 150 Hz frequency, for 16 minutes per session. This group received hot pack and exercises including stre

Sponsors

Vice Chancellor for Research of Zahedan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
40 Years to 65 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Age between 14 and 40; Having knee pain according to Altman’s classification; Lack of regular exercise (non-professional or professional) over the past 10 years; Not regular or irregular (5 times per week) of analgesics and steroidal and nonsteroidal anti-inflammatory drugs within 2 months prior to study entry. Exclusion criteria: Insufficient treatment; Using other therapeutic modalities during the study; Trauma; Doing surgery during the study; Exacerbation of symptoms following the intervention; Patients who have had a history of knee surgery; Intra-articular injections in the past 6 months; and Lower extremity fracture in last 3 months.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Stiffness, pain and physical function. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Western Ontario and McMaster Universities Index (WOMAC).;Atrophy. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Tape measure.;Swelling. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Tape measure.;Knee function. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Knee and Osteoarthritis Outcome Score (KOOS).;Range of knee flexion. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Goniometer.;Knee pain. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Visual Analogue Scale.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr.Asghar Akbari

Zahedan University of Medical Sciences

akbari_as@yahoo.com; akbaria@zaums.ac.ir+98 54 1325 8445

Outcome results

None listed

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