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Three Year Outcomes After Shoulder Arthroplasty

8 september 2026 uppdaterad av: Vani Sabesan

Evaluating Three-Year Outcomes For Total Versus Reverse Shoulder Arthroplasty

The purpose of this multicenter observational cohort study is to evaluate three-year outcomes in adults who underwent anatomic or reverse total shoulder arthroplasty using a contemporary shoulder implant system. The main questions it aims to answer are:

Are three-year patient-reported outcomes after anatomic total shoulder arthroplasty comparable to those after reverse total shoulder arthroplasty? How often do the implants used during surgery differ from the preoperative three-dimensional (3D) surgical plan, and are these differences associated with patient outcomes, complications, or revision surgery?

Researchers will compare patient-reported outcomes, function, complications, and revision rates between patients who underwent anatomic and reverse total shoulder arthroplasty.

Researchers will review participant existing medical records and surgical information. Participants whose two- or three-year outcome measures are not available may be asked to complete a one-time questionnaire by telephone or secure electronic survey. No treatments or additional clinical procedures will be performed as part of this study.

Studieöversikt

Status

Har inte rekryterat ännu

Betingelser

Detaljerad beskrivning

Contemporary shoulder arthroplasty systems incorporate modular components, updated implant geometry, three-dimensional (3D)-printed technology, and preoperative 3D surgical planning to support patient-specific implant selection and intraoperative decision-making. Although these features are intended to improve procedural efficiency and flexibility, multicenter evidence regarding their clinical performance and associated patient outcomes remains limited.

This multicenter observational cohort study will evaluate patients who underwent primary anatomic total shoulder arthroplasty (aTSA) or reverse total shoulder arthroplasty (rTSA) using a single contemporary shoulder arthroplasty platform between 2020 and 2024. The study will combine retrospective review of existing clinical data with prospective collection of missing two- or three-year patient-reported outcome measures at a single follow-up time point. No investigational treatment, study-directed procedure, or alteration to routine clinical care will occur.

Existing electronic medical records, operative reports, imaging, preoperative planning files, implant information, and patient-reported outcome databases will be retrospectively reviewed. Data collected will include demographic and clinical characteristics, surgical and implant details, preoperative planning parameters, postoperative function, patient-reported outcomes, complications, readmissions, reoperations, and revisions. When two- or three-year patient-reported outcomes are not available through routine clinical follow-up, participants may be contacted to complete a one-time validated questionnaire by telephone or secure electronic survey.

The primary analysis will evaluate whether three-year outcomes after aTSA are non-inferior to those after rTSA using the American Shoulder and Elbow Surgeons score and a prespecified non-inferiority margin of 9 points. Additional analyses will compare functional outcomes, complications, and revision rates between the two procedure groups.

Among patients with available preoperative 3D planning data, the study will also evaluate agreement between the planned and implanted glenoid and humeral components. Investigators will characterize the frequency and types of intraoperative deviations from the surgical plan and assess whether these deviations are associated with postoperative outcomes, complications, patient satisfaction, or revision surgery. The target sample size is up to 300 participants, with approximately 150 participants in each procedure group.

Studietyp

Observationell

Inskrivning (Beräknad)

300

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

Studieorter

  • Förenta staterna
    • Florida
      • Atlantis, Florida, Förenta staterna, 33462
    • Iowa
      • North Liberty, Iowa, Förenta staterna, 52317
    • Kansas
      • Leawood, Kansas, Förenta staterna, 66224
    • New York
      • Carmel, New York, Förenta staterna, 10512
    • Tennessee
      • Columbia, Tennessee, Förenta staterna, 38401

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

  • Vuxen
  • Äldre vuxen

Tar emot friska volontärer

Nej

Testmetod

Icke-sannolikhetsprov

Studera befolkning

Eligible patients will be identified from a cohort of individuals who underwent either a total or reverse shoulder arthroplasty from 2020-2024 using a single innovative implant system, with a target enrollment of 300 patients. The cohort will include patients from participating sites and the data collected will be deidentified.

Beskrivning

Inclusion Criteria:

  • Primary shoulder arthroplasty
  • Age >18 years at the time of surgery
  • At least 2 years from the date of surgery

Exclusion Criteria:

  • Revision shoulder arthroplasty
  • Acute fracture cases
  • Inability to obtain consent for outcome collection

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

Kohorter och interventioner

Grupp / Kohort
Anatomic Total Shoulder Arthroplasty
Patients who underwent primary anatomic total shoulder arthroplasty using the study implant platform between 2020 and 2024.
Reverse Total Shoulder Arthroplasty
Patients who underwent primary reverse total shoulder arthroplasty using the study implant platform between 2020 and 2024.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
American Shoulder and Elbow Surgeons (ASES) Score
Tidsram: Three Years Postoperatively
The ASES score is a patient-reported measure of shoulder pain and function scored from 0 to 100, with higher scores indicating better outcomes. Three-year ASES scores will be compared between patients who underwent anatomic and reverse total shoulder arthroplasty.
Three Years Postoperatively
ASES Score
Tidsram: One Year, Two Years Postoperatively
The ASES score is a patient-reported measure of shoulder pain and function scored from 0 to 100, with higher scores indicating better outcomes. Three-year ASES scores will be compared between patients who underwent anatomic and reverse total shoulder arthroplasty.
One Year, Two Years Postoperatively

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Simple Shoulder Test score
Tidsram: One Year, Two Years, and Three Years Postoperatively
The Simple Shoulder Test is a 12-item patient-reported assessment of shoulder function. Scores range from 0 to 12, with higher scores indicating better shoulder function.
One Year, Two Years, and Three Years Postoperatively
Single Assessment Numeric Evaluation score
Tidsram: One Year, Two Years, Three Years Postoperatively
Participants rate their shoulder function as a percentage of normal from 0 to 100, with higher scores indicating better perceived shoulder function.
One Year, Two Years, Three Years Postoperatively
Constant-Murley score
Tidsram: One Year, Two Years, Three Years Postoperatively
The Constant-Murley score evaluates shoulder pain, activities of daily living, range of motion, and strength. Scores range from 0 to 100, with higher scores indicating better shoulder function.
One Year, Two Years, Three Years Postoperatively
PENN Shoulder Score
Tidsram: One Year, Two Years, Three Years Postoperatively
The Penn Shoulder Score evaluates shoulder pain, satisfaction, and function. Scores range from 0 to 100, with higher scores indicating better outcomes.
One Year, Two Years, Three Years Postoperatively
University of California Los Angeles Shoulder Score
Tidsram: One Year, Two Years, Three Years Postoperatively
The UCLA Shoulder Score evaluates pain, function, active forward flexion, strength, and patient satisfaction. Scores range from 0 to 35, with higher scores indicating better outcomes.
One Year, Two Years, Three Years Postoperatively
Shoulder Pain and Disability Index
Tidsram: One Year, Two Years, Three Years Postoperatively
The SPADI evaluates shoulder pain and disability. Scores range from 0 to 100, with higher scores indicating greater pain and disability.
One Year, Two Years, Three Years Postoperatively
Disabilities of the Arm, Shoulder and Hand Score
Tidsram: One Year, Two Years, Three Years Postoperatively
The DASH evaluates symptoms and difficulty performing upper-extremity activities. Scores range from 0 to 100, with higher scores indicating greater disability.
One Year, Two Years, Three Years Postoperatively
Western Ontario Osteoarthritis of the Shoulder Index
Tidsram: One Year, Two Years, Three Years Postoperatively
The WOOS evaluates shoulder-related physical symptoms, sports and recreation, work, and emotional function. Scores will be converted to a percentage from 0 to 100, with higher normalized scores indicating better shoulder-related quality of life.
One Year, Two Years, Three Years Postoperatively
Short Form-12 Outcome Score
Tidsram: One Year, Two Years, Three Years Postoperatively
The SF-12 evaluates general health-related quality of life and produces physical and mental component summary scores. Higher scores indicate better health-related quality of life.
One Year, Two Years, Three Years Postoperatively
Shoulder Range of Motion
Tidsram: One, Two, Three Years Postoperatively
Shoulder forward flexion, abduction, external rotation, and internal rotation will be obtained from available clinical records. Forward flexion, abduction, and external rotation will be measured in degrees, and each motion will be analyzed separately.
One, Two, Three Years Postoperatively
Postoperative Complications
Tidsram: From date of surgery to time of data abstraction
The number and percentage of participants experiencing postoperative complications, including infection, dislocation or instability, scapular notching, acromial stress fracture, implant failure, or rotator cuff failure, will be assessed through review of existing clinical records.
From date of surgery to time of data abstraction
Revision Shoulder Surgery
Tidsram: From date of surgery through time of study completion, an average of three years
The number and percentage of participants undergoing revision shoulder arthroplasty or another reoperation involving the operative shoulder will be assessed through review of existing clinical records.
From date of surgery through time of study completion, an average of three years
Concordance between planned and implanted components
Tidsram: Date of Index Surgery
Among participants with available preoperative three-dimensional planning data, the proportion of cases in which the planned glenoid and humeral component characteristics match the components implanted during surgery will be determined. The number and percentage of cases with one or more deviations from the preoperative surgical plan will be assessed.
Date of Index Surgery

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Vani Sabesan

Samarbetspartners

DePuy Synthes

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Beräknad)

1 september 2026

Primärt slutförande (Beräknad)

1 januari 2028

Avslutad studie (Beräknad)

1 augusti 2028

Studieregistreringsdatum

Först inskickad

31 augusti 2026

Först inskickad som uppfyllde QC-kriterierna

8 september 2026

Första postat (Faktisk)

11 september 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

11 september 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

8 september 2026

Senast verifierad

1 september 2026

Mer information

Termer relaterade till denna studie

Nyckelord

Andra studie-ID-nummer

  • SORE3Y001
  • DPS-JMP-CS-2025-015 (Annat bidrag/finansieringsnummer: DePuy Synthes)

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

NEJ

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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