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NCT Number: NCT07642258

Effects of Sahrmann's Approach Versus Conventional Treatment Oin Patients With Knee Osteoarthritis

Osteoarthritis (OA) of the knee, also referred to as degenerative joint disease, is normally due to wear and tear and progressive cartilage loss in the articular cartilage. Osteoarthritis is most prevalent condition among older adults. The objective of the study will be to compare the effects of Sahrmann's approach versus conventional treatment on pain, valgus angle and functional disability in patients with knee osteoarthritis.

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Key information

Conditions

Knee Osteoarthritis Arthritis Joint Diseases Musculoskeletal Diseases Neurologic Manifestations Osteoarthritis Osteoarthritis, Knee Pain Pathological Conditions, Signs and Symptoms Rheumatic Diseases Signs and Symptoms

Age range

40 year–60 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of Lahore Teaching Hospital, Lahore HOD Physio Department

Lahore, Punjab Province, 54000, Pakistan

About this study

This randomized controlled trial will be conducted at Sehat Medical Complex, Hanjarwal and Sir Ganga Ram Hospital, Lahore. Sample size of the study will be 40. We will include the patients of age between 40-60 years, with diagnosis of knee osteoarthritis of grade 2, their pain intensity should be 3 points on NPRS and with gradual onset of pain from past 3 months, with valgus angle of knee > 10° and a positive HKA angle > 1° of valgus knee OA on radiographs. All the participants will be randomly divided into two groups. GROUP A which will be EXPERIMENTAL GROUP, will receive Sahrmann's approach protocol and GROUP B which will be CONTROL GROUP, will receive conventional treatment. Both groups will receive baseline treatment including hot pack/cold pack, TENS and basic exercises. The study will be comparing the effects of both treatments after 4 weeks, with 3 sessions per week on alternate days. Patients will be assessed by Numeric pain rating scale (NPRS) for pain, by Universal Goniometer (UG) for the assessment of valgus angle and The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) for functioning of knee. Statistical Analysis will be done by statistical package for social sciences SPSS version 26.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Males and females between 40 to 60 years of age.
  • Diagnosed patients of knee Osteoarthritis with grade 2.
  • Valgus angle of knee > 10°.

Exclusion criteria

  • Any other inflammatory conditions.
  • Rheumatoid arthritis, ankylosing spondylitis or any other auto immune disorder

Treatment and study plan

Sahrmann's Exercises

Other
  • with and without resistance band-SLR
  • with and without resistance band-Hip extension
  • with and without resistance band-clamshells
  • IT Band stretch
  • Squatting in front of mirror
  • with resistance band-lateral walk
  • Hip lateral rotation

standard physical therapy treatment

Other

Comparator group patients will receive, Conventional treatment exercises.

  • ROMs, SLR, VMO's and Quadriceps strengthening, Partial squatting, Terminal knee extension ROM, ITB, Hamstrings and gastrocnemius stretching

Primary outcomes

  1. Numeric Pain Rating Scale (NPRS) - Pain Assessment

    Time frame: upto 4 weeks

    The Numeric Pain Rating Scale (NPRS) is a unidimensional, patient-reported outcome measure used to assess pain intensity. Participants are asked to rate their current pain level, or average pain over a specified recall period (e.g., past 24 hours or past week), using an 11-point scale ranging from 0 to 10, where 0 indicates "no pain" and 10 indicates "worst imaginable pain."

    The NPRS is widely used in musculoskeletal and orthopedic conditions due to its simplicity, high responsiveness, and strong psychometric properties. It demonstrates excellent reliability (test-retest reliability ICC > 0.80) and good construct validity in chronic pain populations including knee osteoarthritis.

  2. Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) - Functional Outcome (Knee OA)

    Time frame: upto 4 weeks

    The WOMAC Osteoarthritis Index is a disease-specific, self-administered questionnaire designed to evaluate symptoms and functional status in patients with hip and knee osteoarthritis.

    It consists of 24 items divided into three subscales:

    Pain (5 items) Stiffness (2 items) Physical Function (17 items)

    Each item is typically scored using a 5-point Likert scale (0 = none to 4 = extreme), or alternatively via a visual analog format depending on study design. Total scores are summed, with higher scores indicating greater pain, stiffness, and functional disability.

  3. Universal Goniometer (UG) - Valgus Angle Measurement

    Time frame: upto 4 weeks

    The Universal Goniometer (UG) is a standard clinical instrument used to measure joint angles and assess alignment. In this study, it will be used to measure the knee valgus angle, which reflects medial-lateral alignment of the lower limb in the frontal plane.

    The participant is typically assessed in a standing anatomical position, with landmarks aligned at:

    Anterior superior iliac spine (ASIS) Center of patella Ankle/midline of tibia or second toe alignment (depending on protocol standardization)

    The stationary arm of the goniometer is aligned with the femur, while the movable arm follows the tibial shaft. The angle between these segments represents the dynamic or static valgus alignment, depending on whether assessment is static posture or functional task-based measurement.

    Changes in valgus angle will be used to assess biomechanical alignment improvements following the intervention.

Study contacts

Contact information is provided by the study sponsor or research team.

Samrood Akram, PhD*

CONTACT

[email protected]

03324806143

Sponsors and collaborators

Lead sponsor

Riphah International University

Other

Registry information

Official study title

Effects of Sahrmann's Approach Versus Conventional Treatment on Pain, Valgus Angle and Functional Disability in Patients With Knee Osteoarthritis

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Jun 11, 2026
Registry last updated
Jun 11, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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