Patients With Longstanding HIP and Groin Pain Referred to Orthopedic Care: Effectiveness of Education and exerciSe ThERapy (HIPSTER)
Led by Lund University · Updated on 2026-04-02
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104 weeks
Total Duration
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What this Trial Is About
Longstanding hip and groin pain (LHGP) is a common and disabling issue among young to middle-aged adults often referred to orthopedic care. This trial investigates the effectiveness of a semi-structured, individualized physical therapist-led intervention (HIPSTER) compared to usual care for improving hip-related quality of life in people with LHGP. The study focuses on whether the HIPSTER model can provide better hip function and quality of life than the current standard physical therapy recommendations.
Participants will be randomly assigned to one of two groups: usual care or the HIPSTER intervention. Usual care includes orthopedic examination, imaging, diagnostic injections, and a recommendation for physical therapy, but the therapy itself is not controlled by the study. The HIPSTER group receives the same orthopedic care plus a 16-week semi-structured, progressive physical therapy program that combines exercise therapy and patient education targeting physical and psychological challenges related to hip and groin pain.
During the study, participants will be assessed at baseline and at 4 months primarily for changes in hip function and quality of life using the iHOT-33 measure. Additional assessments include pain, physical activity, muscle force, balance, and hop performance, among others, with follow-ups extending up to 5 years. Adherence to therapy is monitored weekly in the HIPSTER group. Safety, symptom improvement, and possible surgical interventions will also be tracked throughout the study period.
CONDITIONS
Brief Title
Education and Exercise for Patients With Longstanding Hip and Groin Pain
Who Can Participate
Age: 18Years - 55Years
All Genders
Eligibility Criteria
You may qualify if you...
Men and women aged 18 to 55 years
Referred to the Department of Orthopedics due to hip and/or groin pain
Activity-related unilateral or bilateral groin pain lasting more than 3 months
Pain reproduced with the FADIR test
You will not qualify if you...
Acute traumatic hip injuries such as dislocation or fractures
Moderate or severe osteoarthritis (T�f6nnis grade greater than 1)
Palpable hernia
Low-back pain with positive straight leg raise test or pain caused mainly by lumbar spine movements
Sacroiliac joint pain with thigh thrust test
Co-morbidities that override hip and groin symptoms, such as other acute lower limb injuries or rheumatoid arthritis
Co-morbidities preventing physical activity or training, such as heart disease
Current psycho-social disorders requiring treatment
History of drug abuse within the last year
Inability to understand Scandinavian languages or English
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Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Usual Care
Duration - Up to 4 months
Participants undergo usual care at the orthopedic department, including clinical examination, radiological imaging, and a diagnostic injection. They receive a recommendation for physical therapy treatment in primary care.
1 to 2 visits at the orthopedic department
HIPSTER Treatment
Duration - 16 weeks
Participants receive usual care at the orthopedic department plus a 16-week semi-structured, progressive, individualized physical therapist-led intervention focusing on patient education and exercise therapy.
Weekly physical therapy visits for up to 16 weeks
Follow-up Assessments
Duration - Up to 5 years
Participants are assessed for hip-related quality of life, symptoms, physical activity, pain, and physical performance measures at 4 months, with additional longer-term follow-ups at 1, 2, and 5 years.
Visits at 4 months, 1 year, 2 years, and 5 years after baseline
Effectiveness of a structured physical therapist-led intervention compared to usual care in people with longstanding hip and groin pain referred to orthopaedic care in Sweden: protocol for a randomised controlled trial (the HIPSTER trial).
August Estberger, Joanne Kemp, Kristian Thorborg...