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AzTrials

Shoulder DislocationOASISNCT04809064

Open Versus Arthroscopic Stabilization of Shoulder Instability With Subcritical Bone Loss: The OASIS Trial

An observational study of Shoulder Dislocation and Glenohumeral Dislocation, run by University of Pittsburgh at 15 sites in United States.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

This clinical trial will determine the outcome trajectories of common surgeries (arthroscopic Bankart repair with remplissage of a Hill-Sachs lesion, open Bankart, Latarjet) with post-operative rehabilitation and identification of prognostic factors among patients with acute or recurrent anterior shoulder instability… Read more about this study

Who is it for?
Ages 17 to 50 years
What is being tested?
Arthroscopic Bankart repair procedure, Open Bankart and Latarjet
Type of treatment
Surgery or procedure
How many people
450 participants
Where
15 sitesUnited States
Study dates
24 Jan 2022to 30 Sep 2027
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 17 to 50 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Study population: Male and female military personnel and civilians between the ages of 17 and 50 with a traumatic anterior shoulder dislocation with associated 10-20% glenoid bone loss, having undergone either an 1) arthroscopic Bankart repair with remplissage of a Hill-Sachs lesion, 2) open Bankart, or a 3) Latarjet, and plans to return to physically demanding work or sports.

Who may be able to join

  • Civilians and military personnel ages 17 to 50
  • Traumatic anterior shoulder dislocation
  • Associated subcritical bone loss between 10-20% less the glenoid width quantified by standard of care CT scan, MRI, or 3D-MRI scan
  • Had shoulder instability surgery using either 1) arthroscopic Bankart repair with remplissage of Hill-Sachs lesion; 2) open Bankart; or 3) Latarjet

Who cannot join

  • Chronic, non-traumatic multi-directional instability based on clinical exam
  • Concurrent shoulder injury in the involved shoulder (e.g., rotator cuff tears, motor nerve pathologies, osteoarthritis of a Samilson-Prieto grade >2)
  • Have a history of shoulder surgery in the involved shoulder (prior instability surgery that included any of the following and the planned procedure would be a repeat of the index procedure: 1) arthroscopic Bankart repair with a remplissage of Hill-Sachs lesion, 2) open Bankart, or 3) Latarjet [previous isolated arthroscopic Bankart repair only would not be an exclusion criterion], rotator cuff repair, intra-articular soft tissue surgery); rotator cuff repair, intra-articular soft tissue surgery)
  • Prior rotator cuff procedure on involved shoulder (including intra-articular soft tissue surgery
  • Humeral sided bone lesions (Hill-Sachs lesion) that is sufficiently large enough to render the lesion "off-track" even after a bony augmentation procedure would be performed
  • Neuromuscular, neurological and other movement control pathologies including seizures
Show all 15Show fewer
  • Vascular injury associated with the shoulder trauma that compromise adequate/normal healing or interferes with usual course of care
  • Traumatic brain injury or any condition that would preclude the ability to comply with post-operative guidelines
  • Cartilage lesion finding in the involved shoulder that would interfere with usual course of care
  • Known pregnancy at time of imagining and/or surgery based upon standard of care testing procedures
  • Any issue with the contralateral shoulder that would preclude participation in research procedures
  • Any condition in the opinion of the investigator/clinician that would preclude or limit full participation in study activities
  • Absence of a fixed address or no means of contact
  • Known inability to be available at all follow-up time points
  • Does not plan to return to pre-injury levels of work, sports or military duty

Trial locations and contacts

15 sites in 1 country. Contact the study team or a site near you to ask about taking part.

Adam Popchak, PhD, PT contact

(412) 383-6627

ajp64@pitt.edu

Jonathan Dickens, MD contact

15 sites in 1 country

United States15 sites, 10 recruiting
  • US Naval Health Clinic (Academy)

    Annapolis, Maryland, 21402

    Robert Waltz, MC, USN, lancend15@gmail.com

    Robert Waltz, MC, USN

    Recruiting
  • Walter Reed National Military Medical Center

    Bethesda, Maryland, 20089

    Active, not recruiting
  • University of North Carolina at Chapel Hill

    Chapel Hill, North Carolina, 27517

    Alex Creighton, MD, alex_creighton@med.unc.edu

    Alex Creighton, MD

    Recruiting
  • Ohio State University, Wexner Medical Center

    Columbus, Ohio, 43202

    Julie Bishop, MD, julie.bishop@osumc.edu

    Julie Bishop, MD

    Recruiting
  • Duke University

    Durham, North Carolina, 27705

    Jonathan Dickens, MD, jonathan.dickens@duke.edu

    Jonathan Dickens, MD

    Recruiting
  • University of Connecticut Health Center

    Farmington, Connecticut, 06030

    Active, not recruiting
  • San Antonio Military Medical Center

    Fort Sam Houston, Texas, 78234

    Daniel J Cognetti, MD, daniel.j.cognetti.mil@health.mil

    Daniel J Cognetti, MD

    Recruiting
  • Naval Medical Center Camp Lejeune

    Marine Corps Base Camp Lejeune, North Carolina, 28547

    Active, not recruiting
  • Vanderbilt University Medical Center

    Nashville, Tennessee, 37232

    Lance LeClere, MD, lancend15@gmail.com

    Lance LeClere, MD

    Recruiting
  • University of Pittsburgh

    Pittsburgh, Pennsylvania, 15203

    Albert Lin, MD, alin2@upmc.edu

    Albert Lin, MD

    Recruiting
  • Rhode Island Hospital - Brown University Health

    Providence, Rhode Island, 02903

    Stephen Marcaccio, MD, smarcaccio@uoi.com

    Stephen Marcaccio, MD

    Recruiting
  • Naval Medical Center

    San Diego, California, 92134

    Active, not recruiting
  • Mayo Clinic

    Tempe, Arizona, 85288

    John Tokish, MD, tokish.john@mayo.edu

    John Tokish, MD

    Recruiting
  • Steadman Clinic

    Vail, Colorado, 81657

    Active, not recruiting
  • Wake Forest University

    Winston-Salem, North Carolina, 27157

    Brian Waterman, MD, bwaterma@wakehealth.edu

    Brian Waterman, MD

    Recruiting

Other trials in United States

About this study

This clinical trial will determine the outcome trajectories of common surgeries (arthroscopic Bankart repair with remplissage of a Hill-Sachs lesion, open Bankart, Latarjet) with post-operative rehabilitation and identification of prognostic factors among patients with acute or recurrent anterior shoulder instability with subcritical bone loss. The results of the study assist in optimizing time to return to military duty, work and sports, and patient-reported physical function for military personnel and civilians with traumatic anterior shoulder instability and 10-20% glenoid bone loss. This study will provide a critical clinical advancement of a previously unaddressed and common clinical scenario.

Read the detailed description

The objective of this study is to determine the outcome trajectories of common surgeries (arthroscopic Bankart repair with remplissage of a Hill-Sachs lesion, open Bankart, Latarjet) with post-operative rehabilitation and identification of prognostic factors among military personnel and civilians with acute or recurrent anterior shoulder instability with subcritical bone loss.

Aim 1: The investigators will determine the acute and long term patient relevant outcomes (Western Ontario Shoulder Instability score [WOSI], time to RTD/A at pre-injury levels, and recurrent instability/re-injury) at 6 months, 1, and 2 years of arthroscopic Bankart repair with remplissage of a Hill-Sachs lesion, open Bankart, and Latarjet.

Aim 2: The investigators will determine if participation in rehabilitation that optimizes range of motion, strength, and functional performance predicts successful RTD/A, WOSI score, and recurrent instability at 6 months, 1, and 2 years.

Subject Population: Male and female military personnel and civilians between the ages of 17 and 50 with a traumatic anterior shoulder dislocation with associated 10-20% glenoid bone loss, having undergone either an 1) arthroscopic Bankart repair with remplissage of a Hill-Sachs lesion, 2) open Bankart, or a 3) Latarjet, and plans to return to physically demanding work or sports.

Study / Experimental Design: Prospective Observational Cohort Study (Aims 1 \& 2).

Methodology: Participants will undergo a standard of care computed tomography (CT) or 3D-MRI scan to quantify glenoid bone loss and shoulders with between 10-20% bone loss will be offered enrollment. We will allow shared decision-making between the patient-participant and the surgeon to occur in order to select the surgical stabilization procedure (arthroscopic Bankart repair with remplissage of a Hill-Sachs lesion, open Bankart, or Latarjet). Only those patients having one of the three surgeries will be eligible for this study. Therefore, male and female military personnel and civilians between the ages of 17 and 50 with a traumatic anterior shoulder dislocation with associated 10-20% glenoid bone loss, plans to return to physically demanding work or sports, and having undergone one of the three surgeries listed above without multi-directional instability, concomitant shoulder pathologies (e.g. rotator cuff tears, motor nerve lesion, fractures, osteoarthritis > Samilson Pietro grade 2), neuromuscular conditions including seizures, a history of shoulder surgery related to any intraarticular soft tissue, and vascular injury will be eligible to participate. We will collect information from the surgeon into what individual factors influenced the decision on surgical selection for each patient-participant.

To address the associated aims, 450 individuals will recruited and enrolled to participate in this study. Participants will be followed for 24 months, with primary outcomes consisting of patient-reported physical function and time to return to pre-injury military duty, work and sports. Secondary outcomes will include shoulder-specific and generic patient-reported measures of physical function and health related quality of life and recurrent instability.

Being tested
Arthroscopic Bankart repair procedure, Open Bankart, Latarjet, Post-Operative Rehabilitation
Keywords
Anterior Shoulder Instability, Glenoid Bone Loss, Stabilization Surgery, Return to Duty or Sport, Rehabilitation
Medical subject headings
Shoulder Dislocation

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Arthroscopic Bankart repair procedureProcedure or surgery

    Bankart repair with remplissage consists of arthroscopic anterior inferior capsulolabral repair with arthroscopic infraspinatus tenodesis to the posterior humeral head.

  • Open BankartProcedure or surgery

    Open Bankart repair consists of anterior capsulorrhaphy with labral repair.

  • LatarjetProcedure or surgery

    Latarjet consists of open transfer of the coracoid to the anterior glenoid bone deficiency.

  • Post-Operative RehabilitationOther

    Post-operative rehabilitation will be conducted following surgical procedure-specific rehabilitation guidelines and will be progressed based on individual needs.

Study groups in NCT04809064
Study groupRoleWhat they receive
Arthroscopic Bankart repair with remplissage of Hill-Sachs lesion/rehabilitationArthroscopic Bankart repair surgery with remplissage of Hill-Sachs lesion and post-operative rehabilitation.
Receives: Procedure: Arthroscopic Bankart repair procedure; Other: Post-Operative Rehabilitation
Open Bankart/rehabilitationOpen Bankart surgery and post-operative rehabilitation.
Receives: Procedure: Open Bankart; Other: Post-Operative Rehabilitation
Latarjet/rehabilitationLatarjet surgical procedure and post-operative rehabilitation.
Receives: Procedure: Latarjet; Other: Post-Operative Rehabilitation

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Western Ontario Shoulder Instability Index (WOSI)

    The Western Ontario Shoulder Instability Index (WOSI) is a 21-item instability-specific patient-reported outcome measure of physical symptoms, sports, recreation, work, lifestyle and emotions. The best possible score is 0 and a worst possible score is 2100. The WOSI was found to be responsive and sensitive to detecting change over time, demonstrating its utility as a primary outcome to evaluate treatments and to monitor participants' progress over time.

    Measured: 3 months after surgery

  2. Western Ontario Shoulder Instability Index (WOSI)

    The Western Ontario Shoulder Instability Index (WOSI) is a 21-item instability-specific patient-reported outcome measure of physical symptoms, sports, recreation, work, lifestyle and emotions. The best possible score is 0 and a worst possible score is 2100. The WOSI was found to be responsive and sensitive to detecting change over time, demonstrating its utility as a primary outcome to evaluate treatments and to monitor participants' progress over time.

    Measured: 6 months after surgery

  3. Western Ontario Shoulder Instability Index (WOSI)

    The Western Ontario Shoulder Instability Index (WOSI) is a 21-item instability-specific patient-reported outcome measure of physical symptoms, sports, recreation, work, lifestyle and emotions. The best possible score is 0 and a worst possible score is 2100. The WOSI was found to be responsive and sensitive to detecting change over time, demonstrating its utility as a primary outcome to evaluate treatments and to monitor participants' progress over time.

    Measured: 12 months after surgery

  4. Western Ontario Shoulder Instability Index (WOSI)

    The Western Ontario Shoulder Instability Index (WOSI) is a 21-item instability-specific patient-reported outcome measure of physical symptoms, sports, recreation, work, lifestyle and emotions. The best possible score is 0 and a worst possible score is 2100. The WOSI was found to be responsive and sensitive to detecting change over time, demonstrating its utility as a primary outcome to evaluate treatments and to monitor participants' progress over time.

    Measured: 24 months after surgery

  5. Time to Return to Pre-Injury Level of Activity

    Time to return to pre-injury level military duty, work and sports.

    Measured: Monthly starting at 3 months after surgery and continuing to 24 months

  6. Recurrent Instability / Re-injury

    Recurrent instability will consist of any of the following events: dislocation, subluxation, revision stabilization procedure.

    Measured: 3 months after surgery

  7. Recurrent Instability / Re-injury

    Recurrent instability will consist of any of the following events: dislocation, subluxation, revision stabilization procedure.

    Measured: 6 months after surgery

  8. Recurrent Instability / Re-injury

    Recurrent instability will consist of any of the following events: dislocation, subluxation, revision stabilization procedure.

    Measured: 12 months after surgery

  9. Recurrent Instability / Re-injury

    Recurrent instability will consist of any of the following events: dislocation, subluxation, revision stabilization procedure.

    Measured: 24 months after surgery

Secondary outcomes (77)
  1. Single Assessment Numerical Evaluation (SANE)

    The SANE is a single-item, global, patient-reported outcome measure, where the participant provides a whole number response to the question "On a scale from 0 to 100, how would you rate your injured shoulder today, with 100 being normal?" SANE scale reliability is excellent (ICC greater or equal to 0.80) and Standard Error of Measurement ranges from 4.23 to 7.82 points. Validity of the SANE displays correlations of 0.50 - 0.88 (moderate to very strong correlations) between the SANE scale and other partient-reported outcome measures.

    Measured: 3 months after surgery

  2. Single Assessment Numerical Evaluation (SANE)

    The SANE is a single-item, global, patient-reported outcome measure, where the participant provides a whole number response to the question "On a scale from 0 to 100, how would you rate your injured shoulder today, with 100 being normal?" SANE scale reliability is excellent (ICC greater or equal to 0.80) and Standard Error of Measurement ranges from 4.23 to 7.82 points. Validity of the SANE displays correlations of 0.50 - 0.88 (moderate to very strong correlations) between the SANE scale and other partient-reported outcome measures.

    Measured: 6 months after surgery

  3. Single Assessment Numerical Evaluation (SANE)

    The SANE is a single-item, global, patient-reported outcome measure, where the participant provides a whole number response to the question "On a scale from 0 to 100, how would you rate your injured shoulder today, with 100 being normal?" SANE scale reliability is excellent (ICC greater or equal to 0.80) and Standard Error of Measurement ranges from 4.23 to 7.82 points. Validity of the SANE displays correlations of 0.50 - 0.88 (moderate to very strong correlations) between the SANE scale and other partient-reported outcome measures.

    Measured: 12 months after surgery

  4. Single Assessment Numerical Evaluation (SANE)

    The SANE is a single-item, global, patient-reported outcome measure, where the participant provides a whole number response to the question "On a scale from 0 to 100, how would you rate your injured shoulder today, with 100 being normal?" SANE scale reliability is excellent (ICC greater or equal to 0.80) and Standard Error of Measurement ranges from 4.23 to 7.82 points. Validity of the SANE displays correlations of 0.50 - 0.88 (moderate to very strong correlations) between the SANE scale and other partient-reported outcome measures.

    Measured: 24 months after surgery

  5. Brophy Shoulder Activity Level

    The Brophy Shoulder Activity Level is a patient-reported measure of participant's level of sports activity. It consists of 5 items that are rated in a 5-point scale (0-4), where higher scores indicate greater activity engagement. Possible scores on the scale range from 0 - 20.

    Measured: 3 months after surgery

  6. Brophy Shoulder Activity Level

    The Brophy Shoulder Activity Level is a patient-reported measure of participant's level of sports activity. It consists of 5 items that are rated in a 5-point scale (0-4), where higher scores indicate greater activity engagement. Possible scores on the scale range from 0 - 20.

    Measured: 6 months after surgery

  7. Brophy Shoulder Activity Level

    The Brophy Shoulder Activity Level is a patient-reported measure of participant's level of sports activity. It consists of 5 items that are rated in a 5-point scale (0-4), where higher scores indicate greater activity engagement. Possible scores on the scale range from 0 - 20.

    Measured: 12 months after surgery

  8. Brophy Shoulder Activity Level

    The Brophy Shoulder Activity Level is a patient-reported measure of participant's level of sports activity. It consists of 5 items that are rated in a 5-point scale (0-4), where higher scores indicate greater activity engagement. Possible scores on the scale range from 0 - 20.

    Measured: 24 months after surgery

  9. Patient-Reported Outcome Measurement Information System (PROMIS) Physical Function (PF) - Upper Extremity (UE)

    The Patient-Reported Outcome Measurement Information System (PROMIS) Physical Function Scale - Upper Extremity (UE) consists of an item bank of 121 items that assesses physical function regardless of the health condition present that can be administered as a computer adaptive test (CAT) or through the use of short forms. The Physical Function scale scores transformed to a T-score in which a score of 50 represents the US population average with a standard deviation of 10 indicating the population standard deviation.

    Measured: 3 months after surgery

  10. Patient-Reported Outcome Measurement Information System (PROMIS) Physical Function (PF) - Upper Extremity (UE)

    The Patient-Reported Outcome Measurement Information System (PROMIS) Physical Function Scale - Upper Extremity (UE) consists of an item bank of 121 items that assesses physical function regardless of the health condition present that can be administered as a computer adaptive test (CAT) or through the use of short forms. The Physical Function scale scores transformed to a T-score in which a score of 50 represents the US population average with a standard deviation of 10 indicating the population standard deviation.

    Measured: 6 months after surgery

  11. Patient-Reported Outcome Measurement Information System (PROMIS) Physical Function (PF) - Upper Extremity (UE)

    The Patient-Reported Outcome Measurement Information System (PROMIS) Physical Function Scale - Upper Extremity (UE) consists of an item bank of 121 items that assesses physical function regardless of the health condition present that can be administered as a computer adaptive test (CAT) or through the use of short forms. The Physical Function scale scores transformed to a T-score in which a score of 50 represents the US population average with a standard deviation of 10 indicating the population standard deviation.

    Measured: 12 months after surgery

  12. Patient-Reported Outcome Measurement Information System (PROMIS) Physical Function (PF) - Upper Extremity (UE)

    The Patient-Reported Outcome Measurement Information System (PROMIS) Physical Function Scale - Upper Extremity (UE) consists of an item bank of 121 items that assesses physical function regardless of the health condition present that can be administered as a computer adaptive test (CAT) or through the use of short forms. The Physical Function scale scores transformed to a T-score in which a score of 50 represents the US population average with a standard deviation of 10 indicating the population standard deviation.

    Measured: 24 months after surgery

  13. Patient-Reported Outcome Measurement Information System (PROMIS) Global-10

    The PROMIS-10 Global Health also measures five domains: physical function, fatigue, pain, emotional distress, and social health. Items are rated on a five-point scale. It includes physical and mental health component scores that can be transformed to t score distributions with a mean of 50 and standard deviation of 10. A higher score indicates better health.

    Measured: 3 months after surgery

  14. Patient-Reported Outcome Measurement Information System (PROMIS) Global-10

    The PROMIS-10 Global Health also measures five domains: physical function, fatigue, pain, emotional distress, and social health. Items are rated on a five-point scale. It includes physical and mental health component scores that can be transformed to t score distributions with a mean of 50 and standard deviation of 10. A higher score indicates better health.

    Measured: 6 months after surgery

  15. Patient-Reported Outcome Measurement Information System (PROMIS) Global-10

    The PROMIS Global-10 is a 10-item patient reported global measure of physical and emotional health. The PROMIS-10 Global Health also measures five domains: physical function, fatigue, pain, emotional distress, and social health. Items are rated on a five-point scale. It includes physical and mental health component scores that can be transformed to t score distributions with a mean of 50 and standard deviation of 10. A higher score indicates better health.

    Measured: 12 months after surgery

  16. Patient-Reported Outcome Measurement Information System (PROMIS) Global-10

    The PROMIS Global-10 is a 10-item patient reported global measure of physical and emotional health. The PROMIS-10 Global Health also measures five domains: physical function, fatigue, pain, emotional distress, and social health. Items are rated on a five-point scale. It includes physical and mental health component scores that can be transformed to t score distributions with a mean of 50 and standard deviation of 10. A higher score indicates better health.

    Measured: 24 months after surgery

  17. Tampa Scale for Kinesiophobia-11 (TSK-11)

    The Tampa Scale for Kinesiophobia-11 quantifies fear of re-injury due to movement and physical activity. Items are scored from 1 (strongly disagree) to 4 (strongly agree). Total TSK-11 scores range from 11 - 44, with higher scores indicating greater fear of pain, movement, and injury.

    Measured: 3 months after surgery

  18. Tampa Scale for Kinesiophobia-11 (TSK-11)

    The Tampa Scale for Kinesiophobia-11 quantifies fear of re-injury due to movement and physical activity. Items are scored from 1 (strongly disagree) to 4 (strongly agree). Total TSK-11 scores range from 11 - 44, with higher scores indicating greater fear of pain, movement, and injury.

    Measured: 6 months after surgery

  19. Tampa Scale for Kinesiophobia-11 (TSK-11)

    The Tampa Scale for Kinesiophobia-11 quantifies fear of re-injury due to movement and physical activity. Items are scored from 1 (strongly disagree) to 4 (strongly agree). Total TSK-11 scores range from 11 - 44, with higher scores indicating greater fear of pain, movement, and injury.

    Measured: 12 months after surgery

  20. Tampa Scale for Kinesiophobia-11 (TSK-11)

    The Tampa Scale for Kinesiophobia-11 quantifies fear of re-injury due to movement and physical activity. Items are scored from 1 (strongly disagree) to 4 (strongly agree). Total TSK-11 scores range from 11 - 44, with higher scores indicating greater fear of pain, movement, and injury.

    Measured: 24 months after surgery

  21. Brief Resilience Scale

    The Brief Resilience Scale is a 6-item questionnaire that measures an individual's ability to recover from an ongoing health related stress. It uses a 5-point Likert scale that ranges from "strongly disagree" to "strongly agree." Totally, the individual responses creates a range of possible scores from 6 - 30. The total score is then divided by the total number of questions answered for the final score. The scores range from 1 to 5, where higher scores indicate positive resilience capabilities.

    Measured: 3 months after surgery

  22. Brief Resilience Scale

    The Brief Resilience Scale is a 6-item questionnaire that measures an individual's ability to recover from an ongoing health related stress. It uses a 5-point Likert scale that ranges from "strongly disagree" to "strongly agree." Totally, the individual responses creates a range of possible scores from 6 - 30. The total score is then divided by the total number of questions answered for the final score. The scores range from 1 to 5, where higher scores indicate positive resilience capabilities.

    Measured: 6 months after surgery

  23. Brief Resilience Scale

    The Brief Resilience Scale is a 6-item questionnaire that measures an individual's ability to recover from an ongoing health related stress. It uses a 5-point Likert scale that ranges from "strongly disagree" to "strongly agree." Totally, the individual responses creates a range of possible scores from 6 - 30. The total score is then divided by the total number of questions answered for the final score. The scores range from 1 to 5, where higher scores indicate positive resilience capabilities.

    Measured: 12 months after surgery

  24. Brief Resilience Scale

    The Brief Resilience Scale is a 6-item questionnaire that measures an individual's ability to recover from an ongoing health related stress. It uses a 5-point Likert scale that ranges from "strongly disagree" to "strongly agree." Totally, the individual responses creates a range of possible scores from 6 - 30. The total score is then divided by the total number of questions answered for the final score. The scores range from 1 to 5, where higher scores indicate positive resilience capabilities.

    Measured: 24 months after surgery

  25. Patient Acceptable Symptom State (PASS)

    The Patient Acceptable Symptom State is assessed by asking the participant the question: Taking into account all the activity you have during your daily life, your level of pain and also activity limitations and participation restrictions, do you consider the current state of your shoulder satisfactory?" The PSS question is answered "Yes" or "No". A response of "Yes" indicates that the individual is satisfied with his/her current symptom state. The PASS question has show to have sufficient rest re-test reliability in patients after orthopaedic surgery, with a reported kappa coefficient of 0.78.

    Measured: 3 months after surgery

  26. Patient Acceptable Symptom State (PASS)

    The Patient Acceptable Symptom State is assessed by asking the participant the question: Taking into account all the activity you have during your daily life, your level of pain and also activity limitations and participation restrictions, do you consider the current state of your shoulder satisfactory?" The PSS question is answered "Yes" or "No". A response of "Yes" indicates that the individual is satisfied with his/her current symptom state. The PASS question has show to have sufficient rest re-test reliability in patients after orthopaedic surgery, with a reported kappa coefficient of 0.78.

    Measured: 6 months after surgery

  27. Patient Acceptable Symptom State (PASS)

    The Patient Acceptable Symptom State is assessed by asking the participant the question: Taking into account all the activity you have during your daily life, your level of pain and also activity limitations and participation restrictions, do you consider the current state of your shoulder satisfactory?" The PSS question is answered "Yes" or "No". A response of "Yes" indicates that the individual is satisfied with his/her current symptom state. The PASS question has show to have sufficient rest re-test reliability in patients after orthopaedic surgery, with a reported kappa coefficient of 0.78.

    Measured: 12 months after surgery

  28. Patient Acceptable Symptom State (PASS)

    The Patient Acceptable Symptom State is assessed by asking the participant the question: Taking into account all the activity you have during your daily life, your level of pain and also activity limitations and participation restrictions, do you consider the current state of your shoulder satisfactory?" The PSS question is answered "Yes" or "No". A response of "Yes" indicates that the individual is satisfied with his/her current symptom state. The PASS question has show to have sufficient rest re-test reliability in patients after orthopaedic surgery, with a reported kappa coefficient of 0.78.

    Measured: 24 months after surgery

  29. Functional Comorbidity Index

    The Functional Comorbidity Index (FCI) is an 18-item measure assessing the presence of medical comorbidities. The FCI is a self-administered report of medical comorbidities associated with physicla function. Using medical comorbidities is an important factor in creating risk adjustment models for orthopaedic trauma. The FCI was found to demonstrate a stronger association with the SF-36 physical function subscale (R2 = 0.29) than the Charleston (R2 = 0.18) and Kaplan-Feinstein (R2 = 0.17) indices. When individuals were classified into high and low function based ont he SF-36, the FCI correctly classified 77% of the cases.

    Measured: 3 months after surgery

  30. Functional Comorbidity Index

    The Functional Comorbidity Index (FCI) is an 18-item measure assessing the presence of medical comorbidities. The FCI is a self-administered report of medical comorbidities associated with physicla function. Using medical comorbidities is an important factor in creating risk adjustment models for orthopaedic trauma. The FCI was found to demonstrate a stronger association with the SF-36 physical function subscale (R2 = 0.29) than the Charleston (R2 = 0.18) and Kaplan-Feinstein (R2 = 0.17) indices. When individuals were classified into high and low function based ont he SF-36, the FCI correctly classified 77% of the cases.

    Measured: 6 months after surgery

  31. Functional Comorbidity Index

    The Functional Comorbidity Index (FCI) is an 18-item measure assessing the presence of medical comorbidities. The FCI is a self-administered report of medical comorbidities associated with physicla function. Using medical comorbidities is an important factor in creating risk adjustment models for orthopaedic trauma. The FCI was found to demonstrate a stronger association with the SF-36 physical function subscale (R2 = 0.29) than the Charleston (R2 = 0.18) and Kaplan-Feinstein (R2 = 0.17) indices. When individuals were classified into high and low function based ont he SF-36, the FCI correctly classified 77% of the cases.

    Measured: 12 months after surgery

  32. Functional Comorbidity Index

    The Functional Comorbidity Index (FCI) is an 18-item measure assessing the presence of medical comorbidities. The FCI is a self-administered report of medical comorbidities associated with physicla function. Using medical comorbidities is an important factor in creating risk adjustment models for orthopaedic trauma. The FCI was found to demonstrate a stronger association with the SF-36 physical function subscale (R2 = 0.29) than the Charleston (R2 = 0.18) and Kaplan-Feinstein (R2 = 0.17) indices. When individuals were classified into high and low function based ont he SF-36, the FCI correctly classified 77% of the cases.

    Measured: 24 months after surgery

  33. Passive Range of Motion of the Shoulder

    The range of passive elevation and external rotation and internal rotation of both shoulders will be measured with a goniometer. Range of motion measurements to the nearest 1 degree will be made with a large clear plastic gonionometer marked in 1 degree increments.

    Measured: 3 months after surgery

  34. Passive Range of Motion of the Shoulder

    The range of passive elevation and external rotation and internal rotation of both shoulders will be measured with a goniometer. Range of motion measurements to the nearest 1 degree will be made with a large clear plastic gonionometer marked in 1 degree increments.

    Measured: 4 months after surgery

  35. Passive Range of Motion of the Shoulder

    The range of passive elevation and external rotation and internal rotation of both shoulders will be measured with a goniometer. Range of motion measurements to the nearest 1 degree will be made with a large clear plastic gonionometer marked in 1 degree increments.

    Measured: 6 months after surgery

  36. Isometric Muscle Strength of the Shoulder

    Isometric muscle strength of shoulder will be assessed in 5 positions (external rotation at 0 degrees, external rotation at 90 degrees, internal rotation at 0 degrees, internal rotation at 90 degrees and scapular plane abduction at 90 degrees) using a hand-held dynamometer.

    Measured: 3 months after surgery

  37. Isometric Muscle Strength of the Shoulder

    Isometric muscle strength of shoulder will be assessed in 5 positions (external rotation at 0 degrees, external rotation at 90 degrees, internal rotation at 0 degrees, internal rotation at 90 degrees and scapular plane abduction at 90 degrees) using a hand-held dynamometer.

    Measured: 4 months after surgery

  38. Isometric Muscle Strength of the Shoulder

    Isometric muscle strength of shoulder will be assessed in 5 positions (external rotation at 0 degrees, external rotation at 90 degrees, internal rotation at 0 degrees, internal rotation at 90 degrees and scapular plane abduction at 90 degrees) using a hand-held dynamometer.

    Measured: 6 months after surgery

  39. Performance on Functional Tests of the Upper Extremity - Closed Kinetic Chain Upper Extremity Stability test

    Closed Kinetic Chain Upper Extremity Stability test: Participants take a full pushup position. They alternatingly touch each hand with the other, as fast as they can, for 15 seconds. Number of touches in 15 seconds.Three trials will be performed and the average value will be calculated.

    Measured: 4 months after surgery

  40. Performance on Functional Tests of the Upper Extremity - Closed Kinetic Chain Upper Extremity Stability test

    Closed Kinetic Chain Upper Extremity Stability test: Participants take a full pushup position. They alternatingly touch each hand with the other, as fast as they can, for 15 seconds. Number of touches in 15 seconds.Three trials will be performed and the average value will be calculated.

    Measured: 6 months after surgery

  41. Performance on Functional Tests of the Upper Extremity - Unilateral Seated Shot-Put test

    Unilateral Seated Shot-Put test: Distance of shot-put recorded in centimeters. The distance a 2.72 kg medicine ball is pushed, from block against participant's back to the site of ball contact on the floor. The participant will complete three trials for each arm, with the average of 3 trials being used for analysis.

    Measured: 4 months after surgery

  42. Performance on Functional Tests of the Upper Extremity - Unilateral Seated Shot-Put test

    Unilateral Seated Shot-Put test: Distance of shot-put recorded in centimeters. The distance a 2.72 kg medicine ball is pushed, from block against participant's back to the site of ball contact on the floor. The participant will complete three trials for each arm, with the average of 3 trials being used for analysis.

    Measured: 6 months after surgery

  43. Performance on Functional Tests of the Upper Extremity - Push-ups

    Push-ups: Number of push-ups that can be completed in 60 seconds is counted. The test is performed twice and the higher number of repetitions achieved is recorded.

    Measured: 4 months after surgery

  44. Performance on Functional Tests of the Upper Extremity - Push-ups

    Push-ups: Number of push-ups that can be completed in 60 seconds is counted. The test is performed twice and the higher number of repetitions achieved is recorded.

    Measured: 6 months after surgery

  45. Performance on Functional Tests of the Upper Extremity - Weighted Overhead Ball Throw

    Weighted Overhead Ball Throw: Participant will throw a 9.07 kg medicine ball overhead, with both hands. Distance of throw recorded in centimeters. Three trials will be performed.

    Measured: 4 months after surgery

  46. Performance on Functional Tests of the Upper Extremity - Weighted Overhead Ball Throw

    Weighted Overhead Ball Throw: Participant will throw a 9.07 kg medicine ball overhead, with both hands. Distance of throw recorded in centimeters. Three trials will be performed.

    Measured: 6 months after surgery

  47. Performance on Functional Tests of the Upper Extremity - Upper Quarter Y-Balance test

    Upper Quarter Y-Balance test: Maximum reach in 3 directions (medial, inferolateral, and superolateral), recorded in centimeters. Subjects stand in a three-point plank position with the tested shoulder perpendicular to the hand and the feet shoulder-width apart. Three test trials will be performed on each side with 30 seconds of rest in between each trial. A normalized composite score is the mean of the average distance in all three reach directions.

    Measured: 4 months after surgery

  48. Performance on Functional Tests of the Upper Extremity - Upper Quarter Y-Balance test

    Upper Quarter Y-Balance test: Maximum reach in 3 directions (medial, inferolateral, and superolateral), recorded in centimeters. Subjects stand in a three-point plank position with the tested shoulder perpendicular to the hand and the feet shoulder-width apart. Three test trials will be performed on each side with 30 seconds of rest in between each trial. A normalized composite score is the mean of the average distance in all three reach directions.

    Measured: 6 months after surgery

  49. Clinical Measures after Surgical Stabilization - Pain

    Pain: Pain intensity will be recorded utilizing an 11-point numeric pain scale (NPRS) that ranges from 0 (no pain) to 10 (worst imaginable pain). Th current, least, and worst pain intensity in the past 24 hours will be recorded and summed to create a pain score that ranges from 0 to 30.

    Measured: 2 weeks after surgery

  50. Clinical Measures after Surgical Stabilization - Pain

    Pain: Pain intensity will be recorded utilizing an 11-point numeric pain scale (NPRS) that ranges from 0 (no pain) to 10 (worst imaginable pain). Th current, least, and worst pain intensity in the past 24 hours will be recorded and summed to create a pain score that ranges from 0 to 30.

    Measured: 6 weeks +/- 2 weeks after surgery

  51. Clinical Measures after Surgical Stabilization - Pain

    Pain: Pain intensity will be recorded utilizing an 11-point numeric pain scale (NPRS) that ranges from 0 (no pain) to 10 (worst imaginable pain). Th current, least, and worst pain intensity in the past 24 hours will be recorded and summed to create a pain score that ranges from 0 to 30.

    Measured: 3 months after surgery

  52. Clinical Measures after Surgical Stabilization - Pain

    Pain: Pain intensity will be recorded utilizing an 11-point numeric pain scale (NPRS) that ranges from 0 (no pain) to 10 (worst imaginable pain). Th current, least, and worst pain intensity in the past 24 hours will be recorded and summed to create a pain score that ranges from 0 to 30.

    Measured: 5 months +/- month after surgery

  53. Clinical Measures after Surgical Stabilization - Pain

    Pain: Pain intensity will be recorded utilizing an 11-point numeric pain scale (NPRS) that ranges from 0 (no pain) to 10 (worst imaginable pain). Th current, least, and worst pain intensity in the past 24 hours will be recorded and summed to create a pain score that ranges from 0 to 30.

    Measured: 12 months after surgery

  54. Clinical Measures after Surgical Stabilization - Pain Medication Usage

    Pain Medication Usage: At follow-up visit, current narcotic pain medication usage is recorded. Usage (Yes/No): If "Yes," name of medication, dose, frequency of use, and indication is noted.

    Measured: 2 weeks after surgery

  55. Clinical Measures after Surgical Stabilization - Pain Medication Usage

    Pain Medication Usage: At follow-up visit, current narcotic pain medication usage is recorded. Usage (Yes/No): If "Yes," name of medication, dose, frequency of use, and indication is noted.

    Measured: 6 weeks +/- 2 weeks after surgery

  56. Clinical Measures after Surgical Stabilization - Pain Medication Usage

    Pain Medication Usage: At follow-up visit, current narcotic pain medication usage is recorded. Usage (Yes/No): If "Yes," name of medication, dose, frequency of use, and indication is noted.

    Measured: 3 months after surgery

  57. Clinical Measures after Surgical Stabilization - Pain Medication Usage

    Pain Medication Usage: At follow-up visit, current narcotic pain medication usage is recorded. Usage (Yes/No): If "Yes," name of medication, dose, frequency of use, and indication is noted.

    Measured: 5 months +/- month after surgery

  58. Clinical Measures after Surgical Stabilization - Pain Medication Usage

    Pain Medication Usage: At follow-up visit, current narcotic pain medication usage is recorded. Usage (Yes/No): If "Yes," name of medication, dose, frequency of use, and indication is noted.

    Measured: 12 months after surgery

  59. Clinical Measures after Surgical Stabilization - Use of Post-op Brace

    Use of Post-op Brace: Usage (Yes/No): If "No," date brace was discontinued will be recorded.

    Measured: 2 weeks after surgery

  60. Clinical Measures after Surgical Stabilization - Use of Post-op Brace

    Use of Post-op Brace: Usage (Yes/No): If "No," date brace was discontinued will be recorded.

    Measured: 6 weeks +/- 2 weeks after surgery

  61. Clinical Measures after Surgical Stabilization - Use of Post-op Brace

    Use of Post-op Brace: Usage (Yes/No): If "No," date brace was discontinued will be recorded.

    Measured: 3 months after surgery

  62. Clinical Measures after Surgical Stabilization - Use of Post-op Brace

    Use of Post-op Brace: Usage (Yes/No): If "No," date brace was discontinued will be recorded.

    Measured: 5 months +/- month after surgery

  63. Clinical Measures after Surgical Stabilization - Use of Post-op Brace

    Use of Post-op Brace: Usage (Yes/No): If "No," date brace was discontinued will be recorded.

    Measured: 12 months after surgery

  64. Clinical Measures after Surgical Stabilization - Wound Status

    Wound Status: At follow-up visit, wound status recorded as healed, healing, draining, open, erythema or presence of a superficial wound infection.

    Measured: 2 weeks after surgery

  65. Clinical Measures after Surgical Stabilization - Wound Status

    Wound Status: At follow-up visit, wound status recorded as healed, healing, draining, open, erythema or presence of a superficial wound infection.

    Measured: 6 weeks +/- 2 weeks after surgery

  66. Clinical Measures after Surgical Stabilization - Wound Status

    Wound Status: At follow-up visit, wound status recorded as healed, healing, draining, open, erythema or presence of a superficial wound infection.

    Measured: 3 months after surgery

  67. Clinical Measures after Surgical Stabilization - Wound Status

    Wound Status: At follow-up visit, wound status recorded as healed, healing, draining, open, erythema or presence of a superficial wound infection.

    Measured: 5 months +/- month after surgery

  68. Clinical Measures after Surgical Stabilization - Wound Status

    Wound Status: At follow-up visit, wound status recorded as healed, healing, draining, open, erythema or presence of a superficial wound infection.

    Measured: 12 months after surgery

  69. Clinical Measures after Surgical Stabilization - Neurovascular status

    Neurovascular status: Assessment of neurovascular status will include assessment of pulses, sensation to pain, and distal motor function. Brachial pulses will be recorded as symmetrical, diminished, or absent. Sensation to pain will be recorded as normal, diminished or absent. Distal motor function of the wrist will be recorded as strong/symmetrical to the contralateral arm, diminished, or absent.

    Measured: 2 weeks after surgery

  70. Clinical Measures after Surgical Stabilization - Neurovascular status

    Neurovascular status: Assessment of neurovascular status will include assessment of pulses, sensation to pain, and distal motor function. Brachial pulses will be recorded as symmetrical, diminished, or absent. Sensation to pain will be recorded as normal, diminished or absent. Distal motor function of the wrist will be recorded as strong/symmetrical to the contralateral arm, diminished, or absent.

    Measured: 6 weeks +/- 2 weeks after surgery

  71. Clinical Measures after Surgical Stabilization - Neurovascular status

    Neurovascular status: Assessment of neurovascular status will include assessment of pulses, sensation to pain, and distal motor function. Brachial pulses will be recorded as symmetrical, diminished, or absent. Sensation to pain will be recorded as normal, diminished or absent. Distal motor function of the wrist will be recorded as strong/symmetrical to the contralateral arm, diminished, or absent.

    Measured: 3 months after surgery

  72. Clinical Measures after Surgical Stabilization - Neurovascular status

    Neurovascular status: Assessment of neurovascular status will include assessment of pulses, sensation to pain, and distal motor function. Brachial pulses will be recorded as symmetrical, diminished, or absent. Sensation to pain will be recorded as normal, diminished or absent. Distal motor function of the wrist will be recorded as strong/symmetrical to the contralateral arm, diminished, or absent.

    Measured: 5 months +/- month after surgery

  73. Clinical Measures after Surgical Stabilization - Neurovascular status

    Neurovascular status: Assessment of neurovascular status will include assessment of pulses, sensation to pain, and distal motor function. Brachial pulses will be recorded as symmetrical, diminished, or absent. Sensation to pain will be recorded as normal, diminished or absent. Distal motor function of the wrist will be recorded as strong/symmetrical to the contralateral arm, diminished, or absent.

    Measured: 12 months after surgery

  74. Clinical Measures after Surgical Stabilization - Additional Diagnostic Tests

    Additional Diagnostic Tests: At follow-up visit, any additional diagnostic tests will be recorded. (Yes/No): If "Yes," the test, date and indication will be recorded.

    Measured: 2 weeks after surgery

  75. Clinical Measures after Surgical Stabilization - Additional Diagnostic Tests

    Additional Diagnostic Tests: At follow-up visit, any additional diagnostic tests will be recorded. (Yes/No): If "Yes," the test, date and indication will be recorded.

    Measured: 3 months after surgery

  76. Clinical Measures after Surgical Stabilization - Additional Diagnostic Tests

    Additional Diagnostic Tests: At follow-up visit, any additional diagnostic tests will be recorded. (Yes/No): If "Yes," the test, date and indication will be recorded.

    Measured: 5 months +/- month after surgery

  77. Clinical Measures after Surgical Stabilization - Additional Diagnostic Tests

    Additional Diagnostic Tests: At follow-up visit, any additional diagnostic tests will be recorded. (Yes/No): If "Yes," the test, date and indication will be recorded

    Measured: 12 months after surgery

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 Mar 2021
  2. Study start24 Jan 2022
  3. Primary completion30 Sep 2027 (estimated)
  4. Study completion30 Sep 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
450 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04809064
Sponsor's protocol ID
STUDY21010135
Other IDs
W81XWH-19-PROP-CTA
Acronym
OASIS
Status last verified
May 2026
First submitted
17 Mar 2021
Last updated
8 Jun 2026
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: A public-use version of the dataset will be constructed by the Data Coordinating Center (DCC) with contents to be determined jointly by the study PIs and the DCC Director. Copies of the public-use version of the dataset will be housed at the DCC on a secure server along with suitable documentation of this dataset. The public-use version of the dataset will be exported in one or more files in simple, widely-accessible formats, e.g., .xls, .csv, and/or Statistical Analysis Software (SAS) datasets. Documentation will be in .pdf files.

Questions about this trial

What is this clinical trial studying?

An observational study of Shoulder Dislocation and Glenohumeral Dislocation, run by University of Pittsburgh at 15 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 15 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 8 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 15 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Adam Popchak, PhD, PT ((412) 383-6627, ajp64@pitt.edu), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Western Ontario Shoulder Instability Index (WOSI) (time frame: 3 months after surgery). The study lists 9 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Jun 2026.

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