Effect of laser therapy on chronic low back pain

The comparison of the effect of High intensity laser therapy (HILT) versus low intensity laser therapy (LILT) on pain and functional improvement of the patients with non-specific chronic low back pain

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT201707012829N1

Enrollment

Registered

2017-07-18

Start date

2017-07-23

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

Low back pain. Dorsalgia, unspecified Backache NOS

Interventions

Intervention 1: High intensity laser therapy. Intervention 2: Low intensity laser therapy. Intervention 3: Placebo laser therapy.

Rehabilitation

Placebo

High intensity laser therapy

Low intensity laser therapy

Placebo laser therapy

Eligibility

Sex/Gender

All

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Age range between 18 -40 years; Low back pain from 3 months to one year; Pain level between 30 – 60 mm (VAS scale); No physical therapy and manual therapy in past 3 months; Gaining 20% to 70% of the score of the disability level questionnaire Exclusion criteria: Spondylolisis and Spondylolisthesis; Disc herniation; Inability to sit, stand and forward bending for the short time due to severe pain or weakness or balance impairment; Vertebral anomaly; Pregnant women; History of low back and pelvic surgery; Diabetes, Rheumatoid arthritis and any kind of sensory impairment like neuropathy

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Pain. Timepoint: End of the treatment sessions and two weeks after finishing the intervention. Method of measurement: Visual Analogue Scale.;Disability level. Timepoint: End of the treatment sessions and two weeks after finishing the intervention. Method of measurement: Oswestry disability questionnaire.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSobhan Sobhani

Shiraz University of Medical Sciences

sobhanis@sums.ac.ir+98 71 3627 1551

Outcome results

None listed

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