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| Name | Class |
|---|---|
| Horsens Hospital | OTHER |
| Aalborg University Hospital | OTHER |
| Aarhus University Hospital | OTHER |
| Odense University Hospital |
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There is sparse evidence on the effectiveness of first-line treatment in patients with femoroacetabular impingement syndrome (FAIS) regarding clinical- and cost-effectiveness.
The goal of this randomized controlled trial is to compare the clinical effectiveness and cost-effectiveness of a supervised strength exercise intervention to usual first-line care in patients with FAIS.
The main hypothesis it aims to investigate are:
There is sparse evidence on the effectiveness of first-line treatment in patients with femoroacetabular impingement syndrome (FAIS) regarding clinical- and cost-effectiveness.
The Better Hip trial is a multicenter, stratified (by hospital site), randomized (allocation 1:1), controlled, assessor blinded, superiority trial conducted in Denmark (Aarhus, Horsens, Aalborg, and Odense) and Australia (Melbourne). Eligible patients will either be randomized to a supervised strength exercise intervention or to usual care. The primary outcome will be hip-related quality of life measured at end of intervention (6 months) with the iHOT-33. A health economic evaluation will assess the difference in cost-effectiveness between groups from baseline to 12 months. Secondary outcomes will be measured at baseline, 3-, 6- and 12- months after initiating the intervention for patient reported outcome measures (PROMs), and at baseline and 6-months for objective outcome measures obtained at clinical assessments.
This trial aims to investigate the clinical and cost-effectiveness of a supervised strength exercise intervention compared to usual care as first-line treatment in patients with FAIS. A secondary aim is to explore how exercise adherence and dosage of a supervised strength exercise intervention mediates outcomes.
The investigators hypothesis that;
A full trial protocol will be published and made publicly available prior to analysis for the primary paper. All primary and secondary outcomes will be analysed with the intention-to-treat principle. Supplementary to the intention-to-treat analysis a per protocol analysis will be conducted. Between-group differences will be analyzed using a linear mixed effect model for continuous outcomes and a logistical mixed effect model for binary outcome variables. Intervention group, recruitment site and time will be included as fixed effects and patients will be included as a random effect. Incremental cost-effectiveness ratios (ICER) will be calculated by dividing the difference in costs by the difference in effects (quality-adjusted life years for cost-utility and iHOT-33 for cost-effectiveness)
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Supervised strength exercise intervention | Experimental | Group 1 |
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| Usual care | Active Comparator | Group 2 |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Supervised strength exercise intervention | Other | A 6 months exercise intervention of training 2 times a week. Patients will be instructed by a physiotherapist during the first session, in order to be able to perform the exercises at home or in a local gymnasium based on personal preference. Subsequently, there are supervised sessions once every second week (12 sessions in total). The intervention will consist of 6 exercises. 4 targeting planes of hip movement (i.e., flexion, extension, abduction and adduction), a general lower extremity- and a trunk exercise. Progression is made when an exercise is performed with the designated number of sets and repetitions, with good performance quality and tolerable pain. Progression is provided by 3 levels of difficulty and secondly by the number of repetitions or where possible by increasing the external load. In addition, patient information and education is identical to what is delivered in the usual care group. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in hip-related quality of life measured by the International Hip and Outcome Tool 33 (iHOT-33) at end of intervention. | The iHOT-33 is a 33-item self-administered valid and reliable outcome measure based on a Visual Analogue Scale response format designed for young and active population with hip pathology. The total score ranges from 0 to 100, with higher scores indicating better hip-related quality of life. | Measured at baseline, 3, 6 and 12 months. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in muscle strength measured by the unilateral one-repetition-maximum (1 RM) leg press test at end of intervention. | Maximal lower extremity strength is measured by a 1 RM test in a leg press resistance training machine. | Measured at baseline and 6 months. |
| Change in functional performance measured by the One-Leg Rise Test (number of repetitions) at end of intervention. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in symptoms measured by the International Hip and Outcome Tool 33 (iHOT-33) Symptoms subscale. | The iHOT-33 subscale Symptoms is an sixteen-item patient-reported outcome measure designed to assess symptoms in patients hip and/or groin pain. The total score ranges from 0 to 100, with higher scores indicating better status. | Measured at baseline 3, 6 and 12 months. |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Frederik Foldager, MSc | Aarhus University Hospital and Aarhus University | Principal Investigator |
| Inger Mechlenburg, Prof. | Aarhus University Hospital and Aarhus University | Study Director |
| Signe Kierkegaard-Brøchner, Postdoc | Horsens Regional Hospital and Aarhus University | Study Director |
| Joanne Kemp, Ass. Prof. | Latrobe Sports Exercise Medicine Research Centre, School of Allied Health, La Trobe University | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| La Trobe University | Melbourne | Australia | ||||
| Orthopaedic Center, Alborg sygehus, Aalborg University Hospital |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 38908842 | Derived | Foldager FN, Kierkegaard-Brochner S, Kemp JL, van Tulder MW, Lund B, Mygind-Klavsen B, Bibby BM, Dalgas U, Mechlenburg I. First-line treatment for femoroacetabular impingement syndrome and hip-related quality of life: study protocol for a multicentre randomised controlled trial comparing a 6-month supervised strength exercise intervention to usual care (the Better Hip Trial). BMJ Open. 2024 Jun 21;14(6):e078726. doi: 10.1136/bmjopen-2023-078726. |
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What data in particular will be shared: All of the individual participant data collected during the trial, after deidentification.
What other documents will be available: Study Protocol, Statistical Analysis Plan, Informed Consent Form, Data Dictionary and Analytic Code.
For what types of analyses: For individual participant data meta-analysis and systematic review and meta-analysis.
When will data be available: Immediately following publication. The data set will be kept for at least 5 years after the last publication of new results in Denmark and 7 years in Australia as per standards in accordance with the Responsible Research Practice at Aarhus University in Denmark and Ethical Standards at Human Research Ethics Committee at Latrobe University in Australia.
Researchers who provide a methodologically sound proposal. Data access will be reviewed by the author group.
By what mechanism will data be made available: The data will be available via the Aarhus University Institutional Data Access to researchers who meet the criteria for access to confidential data. Restrictions may apply according to EU data transfer legislation.
Proposals should be directed to Inger.mechlenburg@clin.au.dk and Frederikfoldager@clin.au.dk. To gain access, data requestors will need to sign a data access agreement.
Requesters will be required to sign a Data Access Agreement.
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| SAP | No | Yes | No | Statistical Analysis Plan | May 28, 2025 | May 30, 2025 | SAP_000.pdf |
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| ID | Term |
|---|---|
| D057925 | Femoracetabular Impingement |
| ID | Term |
|---|---|
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| OTHER |
| La Trobe University | OTHER |
| Hvidovre University Hospital | OTHER |
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Masking is single-blinded to the outcome assessor, whom is unaware of the participant's treatment group. The outcome assessor is blinded to the allocation of the participant´s and participant's are asked not to disclose their allocation during test.
|
| Minimal educational intervention (usual care) | Other | Usual care varies slightly across regions in Denmark and between Denmark and Australia. The consensus is that the patient should be advised to remain physically active and reduce symptom provoking activities. Therefore, patients will receive a referral for physiotherapy and supplementary a minimal educational intervention is provided as usual care. Patients allocated to the usual care group will receive written information on self-management of hip symptoms including advice about staying physically active in accordance with the World Health Organization guidelines on physical activity and sedentary behavior. Moreover, self-management of hip symptoms will include advice to reduce symptoms by focusing on symptom-lowering activities and sports. The content of the information provided as usual care will be identical to the information provided to the patients in the intervention group. Patients in the usual care group can continue to seek any additional treatment they would like. |
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The One-Leg Rise Test is a reliable global measure of lower limb strength and endurance. |
| Measured at baseline and 6 months. |
| Change in functional performance measured by the Single leg hop for distance test at end of intervention. | The single-leg hop for distance test is a reliable functional performance test evaluating power generation and absorption. | Measured at baseline and 6 months. |
| Exercise level | Exercise level (1-3), higher level indicating higher level of difficulty in exercises. | Registered throughout the 6 month intervention in the supervised strength exercise intervention. |
| Number of sets | Number of sets (0-3), higher indicating completion of more sets in each exercise sessions. Number of sets will be used to calculate exercise dosage. | Registered throughout the 6 month intervention in the supervised strength exercise intervention. |
| Number of repetitions | Number of repetitions, higher indication completion of more repetitions in each exercise session. Number of repetitions will be used to calculate exercise dosage. | Registered throughout the 6 month intervention in the supervised strength exercise intervention. |
| External load | External load will be used to calculate exercise dosage. | Registered throughout the 6 month intervention in the supervised strength exercise intervention. |
| Rate of perceived exertion | Rate of perceived exertion (0-10), higher scores indicating larger perceived effort. | Registered throughout the 6 month intervention in the supervised strength exercise intervention. |
| The highest level of symptoms beyond which patients considers themselves well measured by the Patient Acceptable Symptom State (PASS) | Patient Acceptable Symptom State (PASS), defined as the value beyond which patients consider themselves well is evaluated using a single question. The scale is binary (yes/no). | Measured at baseline, 6 and 12 months. |
| Global Perceived Effect (GPE) | The GPE will be used as a measure of patient-rated recovery and will be assessed for three domains; pain, activities of daily living, and quality of life rated on a 7-point Likert scale ranging from 'Worse, an important worsening' (worst) to 'Better, an important improvement' (best) | Measured at 6 and 12 months. |
| Hip surgery | Number of hip surgeries within the follow-up period. | Measured at baseline, 3, 6 and 12 months. |
| AE (Adverse Events) & Serious Adverse Events (SAE) | Continuous registration of health issues and injuries. The events will be monitored by the physiotherapists supervising the exercise sessions. Further, patients will be asked at 6- and 12-month follow-ups about potential AE and SAE using open-probe questions. | Registered throughout the 12-month study period. |
| Drop-outs | Number of drop-out from the intervention groups. | Registered throughout the 12-month study period. |
| Change in sport and recreational activities measured by the International Hip and Outcome Tool 33 (iHOT-33) Sports and Recreational activities subscale. | The iHOT-33 subscale Sports and Recreational activities is a six-item patient-reported outcome measure designed to assess sport and recreational activities in patients hip and/or groin pain. The total score ranges from 0 to 100, with higher scores indicating better status. | Measured at baseline 3, 6 and 12 months. |
| Change in job related concerns measured by the International Hip and Outcome Tool 33 (iHOT-33) Job related concerns subscale. | The iHOT-33 subscale Job related concerns activities is a four-item patient-reported outcome measure designed to assess job related concerns in patients hip and/or groin pain. The total score ranges from 0 to 100, with higher scores indicating better status. | Measured at baseline 3, 6 and 12 months. |
| Change in social, emotional and lifestyle concerns measured by the International Hip and Outcome Tool 33 (iHOT-33) Social, Emotional and Lifestyle concerns subscale. | The iHOT-33 subscale Social, Emotional and Lifestyle concerns is a seven-item patient-reported outcome measure designed to assess social, emotional and lifestyle concerns in patients hip and/or groin pain. The total score ranges from 0 to 100, with higher scores indicating better status. | Measured at baseline 3, 6 and 12 months. |
| Change in pain measured by the The Copenhagen Hip and Groin Outcome Score (HAGOS) Pain subscale. | The HAGOS pain subscale is a ten-item patient-reported outcome measure designed to assess pain in physically active, young to middle-aged patients with longstanding hip and/or groin pain. The total score ranges from 0 to 100, with higher scores indicating better symptom status. | Measured at baseline and 6 months. |
| Change Quality of Life measured by the HAGOS Quality of Life subscale. | The HAGOS Physical function in Quality of Life subscale is a five-item patient-reported outcome measure designed to assess quality of life in physically active, young to middle-aged patients with longstanding hip and/or groin pain. The total score ranges from 0 to 100, with higher scores indicating better symptom status. | Measured at baseline and 6 months. |
| Change in physical function measured by the HAGOS Physical function in Sport and Recreation subscale | The HAGOS Physical function in Sport and Recreation subscale is an eight-item patient-reported outcome measure designed to assess physical function in sport and recreation in physically active, young to middle-aged patients with longstanding hip and/or groin pain. The total score ranges from 0 to 100, with higher scores indicating better symptom status. | Measured at baseline and 6 months. |
| Sports participation measured by The Hip Sports Activity Scale (HSAS). | The HSAS is a reliable and valid tool to determine sports levels in patients suffering from FAIS. The HSAS is a 9-level scale ranging from 0 to 8, where 8 represents competitive sport at the elite level. | Measured at baseline, 6 and 12 months. |
| Sports participation measured by Return to Sport (RTS) question. | A consensus statement on RTS stated that RTS should be reported on a continuum from return to participation through return to sport and, finally, return to performance. | Measured at 6 and 12 months. |
| Physical activity measured by The short questionnaire to assess health-enhancing physical activity (SQUASH). | The short questionnaire to assess health-enhancing physical activity (SQUASH). calculates the total activity score as the sum of activity scores (i.e., category: commuting activities, activities at work or school, household activities and leisure-time and sports activities multiplied by intensity score. The total activity score is calculated as the sum of the activity scores for each activity, higher scores indicating more physical activity). | Measured at baseline, 6 and 12 months. |
| Pain catastrophizing measured by the Tampa Scale of Kinesiophobia 17 items (TSK-17). | The Tampa Scale of Kinesiophobia (TSK) is a valid and reliable tool to assess somatic focus and activity avoidance in patients. TSK-17 consists of 17 statements which measure pain-related fear of movement in patients with chronic musculoskeletal pain. The 17 item TSK total scores range from 17 to 68 where the lowest 17 means no or negligible kinesiophobia, and the higher scores indicate an increasing degree of kinesiophobia. | Measured at baseline, 6 and 12 months. |
| Change in health outcome measured by the EuroQol Group 5-dimension 5 Level (EQ-5D-5L). | The EQ-5D-5L is a five-item patient-reported outcome measure designed to assess generic health-related quality-of-life. The total score of the descriptive index and EQ-VAS ranges from -0.624 (worst) to 1.000 (best). | Measured at baseline, 3, 6 and 12 months. |
| Change in health outcome measured by the EuroQol Group VAS (EQ-VAS) | The EQ-VAS is a patient-reported outcome measure designed to assess generic health-related quality-of-life. The total score ranges and 0 (worst imaginable health) to 100 (best imaginable health). | Measured at baseline, 3, 6 and 12 months. |
| Productivity losses measured by the Productivity Costs Questionnaire (IPCQ) | The IPCQ questionnaire includes three modules measuring productivity losses of paid work due to 1) absenteeism and 2) presenteeism and productivity losses related to 3) unpaid work. | Measured at baseline, 3, 6 and 12 months. |
| Healthcare and medicine usage measured by the Healthcare Utilization Questionnaire (HUQ) | The HUQ is a nine-item patient-reported outcome measure designed to assess healthcare and medicine usage. | Measured at baseline, 3, 6 and 12 months. |
| Aalborg |
| 9000 |
| Denmark |
| Aarhus University Hospital | Aarhus | 8000 | Denmark |
| Horsens Regional Hospital | Horsens | 8700 | Denmark |
| Hvidovre Hospital | Hvidovre | 2650 | Denmark |