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The Effect of low level LASER on pain and function in subjects with anterior knee pain

Comparison of the Effect of low level laser and placebo laser on pain and function in subjects with patellofemoral pain syndrome: A Pilot Randomized Clinical Trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20150131020888N9
Enrollment
60
Registered
2018-08-04
Start date
2018-06-28
Completion date
Unknown
Last updated
2018-09-11

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

Conditions

patellofemoral pain syndrome. Chondromalacia patellae

Interventions

Intervention 1: Intervention group: standard physical therapy plus low-level LASER group:Participants in this group receive active LASER plus standard physical therapy. LASERs will be used at the begi

Sponsors

Isfahan University of Medical Sciences, Vice Chancellery of Research and Technology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Presence anterior or retro patellar pain only in one limb The report of pain during a day at least in 2 functional activities including prolonged sitting, climbing stairs, squatting, running, double kneeling, jumping Score of at least 3 on the visual analog scale (VAS) The pain will be reported in the squat on one leg for 10 seconds Subjects have anterior knee pain at least in the past three months Age from 18 to 40 years

Exclusion criteria

Exclusion criteria: Traumatic injuries of the low back and lower extremities Any signs or symptoms or MRI findings based on intra-articular pathologic conditions such as effusion, meniscal, or cruciate or collateral ligament involvement Subluxation and dislocation of the patella Other musculoskeletal injuries in lower extremities hip or lumbar referred pain Any symptoms or evidence of knee osteoarthritis in X-rays Infectious disease, rheumatoid arthritis, autoimmune disease, cancer and systemic diseases Corticosteroid injections and received physical therapy in the last 3 months, and received opioid and analgesic drugs in the last 72 hours Epilepsy, heart problems and heart pacemaker Active athlete BMI>30kg/m^2 Surgery of the lower limbs and lower back History the use of LASERs due to prejudices about the effect of the intervention

Design outcomes

Primary

MeasureTime frame
Pain. Timepoint: the first session just before the intervention and at the tenth session after the end of the treatment plan. Method of measurement: Visual Analogue Scale (VAS)-Persian version of Kujala questionnaire.;Function. Timepoint: the first session just before the intervention and at the tenth session after the end of the treatment plan. Method of measurement: Persian version of Kujala questionnaire- step down test.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr. Zahra Sadat Rezaeian

Esfahan University of Medical Sciences

zrezaeian@yahoo.com00983137925012; 00983137925042

Outcome results

None listed

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